Rolls-Royce Archives
| Identifier | Entry | ||
| Scan001 | Tyre recommendations for a high-speed chassis, advising high pressure tyres over the 6.75' model. | ||
| View original record | To BY. from Hs/Rm. c. to C. PN. CWB Handwritten: X4050 Hs/Rm2/LGS.1.27. TYRES. Handwritten: X4050 / X8820 In connection with the chassis ordered specifically for high speed work, we consider that the… | ||
| Scan002 | Index page for a report on the fundamentals of car performance focusing on tyres. | ||
| View original record | X4050 FUNDAMENTALS OF CAR PERFORMANCE. TYRES. X4050 / X20 X4805 I: THE EFFECT OF TYRES ON STEERING. a. Out of truth and out of balance tyres. b. High speed wobbles. (i) Tyre pressure. (ii) Tyre size.… | ||
| Scan003 | The fundamentals of car performance, specifically the effect of out-of-balance and out-of-truth tyres on steering. | ||
| View original record | FUNDAMENTALS OF CAR PERFORMANCE - TYRES. I: THE EFFECT OF TYRES ON STEERING. (a) Out of truth and out of balance tyres. With the advent of low pressure tyres, steering susceptibility to small defects… | ||
| Scan004 | Technical bulletin discussing the causes and solutions for high speed wobbles, focusing on tyre pressure and size. | ||
| View original record | contd :- -2- (b) High speed wobbles. (1) Tyre pressure. The main factor within the control of the customer in this connection is the tyre pressure. The higher the tyre pressure, the less the… | ||
| Scan005 | The causes of high-speed wobbles, including tyre tread patterns, irregular wear, and inflation pressure. | ||
| View original record | contd :- -3- (III) Tyre tread pattern. High speed wobbles depend for their maintenance upon the grip between the tyre and the road. Thus on a road where a skid is likely to occur we find that 'shimmy'… | ||
| Scan006 | Tyre pressures, stability, and vehicle wobbles. | ||
| View original record | contd :- -4- amount of comfort. We find that this practice affects the steering in-so-much as it gives the car a feeling of instability at high speeds commonly called 'wandering'. In consequence we… | ||
| Scan007 | Factors affecting tyre wear, including steering, temperature, and a comparison between British and Continental conditions. | ||
| View original record | contd :- -5- Knowing all we do about this phenomenon in the way of the correct pivot lean and friction in the steering, no trouble should arise with the balloon type of tyre. The simplest… | ||
| Scan008 | The effect of tyre types and inflation pressure on petrol consumption, with an accompanying graph. | ||
| View original record | contd :- -6- tread makes the tyre ride very harshly when new. In addition, on the Rapson double-tread tyre, when the first tread is finished, it comes off in a series of large pieces which hit the… | ||
| Scan009 | Two graphs comparing the rolling resistance of different tyres against varying inflation pressures, both in machine tests and on the road. | ||
| View original record | contd :- -6a- Top Graph: Title: MACHINE TESTS ON ROLLING RESISTANCE FIG 1. Subtitle: SPEED 50 M.P.H Y-axis: ROLLING RESISTANCE LBS W/T TN X-axis: INFLATION PRESSURE LBS/SQ. IN. Curve 1: 33 X 6.75 TYRE… | ||
| Scan010 | Report page discussing the impact of balloon tyres on petrol consumption, featuring a graph on tyre rolling resistance. | ||
| View original record | contd :- -7- between the tyre at the two inflation pressures illustrated in this test. Hence it may be said that the increase in petrol consumption due to fitting balloon tyres will not be more than… | ||
| Scan011 | The characteristics of balloon tyres, their effect on suspension, and riding comfort. | ||
| View original record | contd :- -8- should be taken to allow the tyres to warm up before beginning fuel measurement. The appended curve shews the decrease in rolling resistance occasioned by the increase in the temperature… | ||
| Scan012 | Comparison of effective circumference between high pressure and balloon tyres for 20 HP and 40/50 HP models. | ||
| View original record | contd :- -9- corresponding high pressure tyre. Thus for the 20 HP. and 40/50 HP. sizes we have :- |--------------------------------|--------------------------|-------------------------| | | EFFECTIVE… | ||
| Scan013 | Graph comparing the increase in effective radius with speed for two different tyre types, alongside a discussion on tyre noise. | ||
| View original record | contd :- -10- INCREASE IN RADIUS - INCHES Graph text: INCREASE IN EFFECTIVE RADIUS OF 33 X 6.75 DUNLOP CORD BALLOON TYRE LOAD ON TYRE - 1120 LBS. INFLATION PRESSURE 30 LBS/SQ.IN. 33 X 5 TYRE INFLATED… | ||
| Scan014 | Report page discussing tyre characteristics, including the rejection of triple stud treads and the variation in non-skid properties of balloon tyres with wear. | ||
| View original record | contd :- -11- customers should be warned of this characteristic as it is for this reason that RR. have rejected the triple stud tread in spite of its undoubted advantages for absence of skidding. A… | ||
| Scan015 | Comparison of recommended and not recommended Dunlop tyres and well-base wheels. | ||
| View original record | THIS TYPE OF TYRE IS NOT RECOMMENDED FOR ROLLS ROYCE CARS 20 LBS/☐" 7.30" x 34" 40 LBS/☐" FRONT 35 LBS/☐" REAR 6.75" x 33" NEITHER THIS TYPE OF TYRE NOR TREAD IS RECOMMENDED FOR ROLLS ROYCE CARS 30… | ||
| Scan016 | Tyre noise issues, conversations with Dunlop, and potential solutions like subframe mounting. | ||
| View original record | To CWD. from Hs. c. to BJ. O. c. to eg. PN. c. to BR. H. c. to DA/EV XL4050 Hs2/LG12. 2.27. TYRE NOISES. XLH17 Replying to CWB10/GM10. 2.27. The question of tyre noise has been taken up with the heads… | ||
| Scan017 | Proposing a plan to investigate tyre noises on Mr. Spyers' car by collaborating with Dunlop. | ||
| View original record | To CWB. from Hs. [Handwritten] X4050 TYRE NOISES. [Handwritten] X4050 X4117 We suggest it would be more convenient if Mr. Spyers car could be brought to Derby. We could then, after making comparisons… | ||
| Scan018 | Letter to the Dunlop Rubber Co. regarding a car with peculiar tyre noises for them to test. | ||
| View original record | Y4050 [Pre-printed form text, partially mirrored:] CERTIFICATE OF INSPECTION BY A.I.D. ROLLS-ROYCE ENGINES AND SPARES Expl: Dept: Hs/Rm2/LG. 1st. Mar. 1927. Messrs. The Dunlop Rubber Co., Fort Dunlop,… | ||
| Scan019 | Letter from Dunlop Rubber Co. Ltd. to the Experimental Department arranging a car demonstration. | ||
| View original record | y4050 DUNLOP RUBBER CO.,LTD. TELEGRAPHIC ADDRESS: "DUNLOPS, BIRMINGHAM" TELEPHONE: BIRMINGHAM CENTRAL 4108 P.B.E. 25 LINES YOUR REF: OUR REF: Local Director. W.H.P. FORT DUNLOP ERDINGTON BIRMINGHAM… | ||
| Scan020 | Letter to Dunlop Rubber Co. regarding the unavailability of a car for a scheduled demonstration. | ||
| View original record | Y4050 Hs/Rml/LG. Expl: Dept: 3rd. Mar. 1927. Messrs. The Dunlop Rubber Co. Fort Dunlop, Erdingham, Birmingham. Dear Sirs, We thank you for your letter of the 2nd. inst. and regret that the car which… | ||
| Scan021 | Letter from Dunlop Rubber Co. Ltd. providing a reminder about a car for demonstration that was previously unavailable. | ||
| View original record | X4050 DUNLOP RUBBER CO.,LTD. TELEGRAPHIC ADDRESS: "DUNLOPS, BIRMINGHAM" TELEPHONE: BIRMINGHAM CENTRAL 4108 P.B.E. 25 LINES YOUR REF: Development OUR REF: WB.LW.8.143. FORT DUNLOP ERDINGTON BIRMINGHAM… | ||
| Scan022 | Order of tyres from Messrs. Dunlop for a 20 HP model. | ||
| View original record | To Wd/Ms. from Hs/Rn. X4050 Hs/Rnl/LG15.3.27. Will you please order for us from Messrs. Dunlop :- 2 33 X 5.77" tyres to fit on straight sided rims at present equipped with our standard 32 X 4½" high… | ||
| Scan023 | Letter to The Dunlop Rubber Co. postponing a car demonstration. | ||
| View original record | (4050) Expl: Dept: Hs/Rn3/LG. 16th. Mar. 1927. Messrs. The Dunlop Rubber Co., Fort Dunlop, Erdington, Birmingham. Dear Sirs, For the attention of W. Bond Esq., Replying to your letter of the… | ||
| Scan024 | Delivery note from The Derby Vulcanizing Co. for two Dunlop tyres. | ||
| View original record | PHONE 606. Proprietor - L. HARLEY. The Derby Vulcanizing Co., BEST BUILT - TYRE FACTORS - 68-70 LONDON ROAD, DERBY. FOR VULCANISING & RETREADING OF TYRES. TRY - Tyre Repairing and Retreading… | ||
| Scan025 | The safety of using smaller wheels and tyres on the 20 HP model due to ground clearance issues. | ||
| View original record | To R. from Hs. c. to BJ. Wor. c. to RG. E. c. to DA. BY. Handwritten: X4050 Hsl/LG21.4.27. 20 HP. WHEELS AND TYRES. Handwritten: X5820 With reference to your request that we should try and obtain… | ||
| Scan026 | Letter from Dunlop Rubber Co. discussing the implications of smaller diameter wheels and tyres on tyre mileage for the 20 HP car. | ||
| View original record | C O P Y. DUNLOP RUBBER CO.LTD+ FORT DUNLOP, ERDINGTON, BIRMINGHAM. 13th. April. 1927. Messrs. Rolls-Royce Ltd., Derby. For the attention of Mr. W. A. Robotham. Dear Sirs, We have your letter of the… | ||
| Scan027 | Technical and economic considerations of fitting low-pressure tyres to existing cars. | ||
| View original record | To R. from Hs. c. to BJ. Wor. c. to BY. LHS. c. to DA. C. X4850 Hs1/LG22.4.27. TYRES ON EXISTING CARS. R2/M15.4.27. /4865 The question of fitting low pressure tyres on to cars running with high… | ||
| Scan028 | Cost of wheels and tyres on existing cars. | ||
| View original record | X4050 S/W. Hs. Sg9/W/29.4.27. Re: Tyres on existing Cars. Referring to Hsl/LG22.4.27. and the paragraph wherein you say that the cost of wheels is soon repaid by the cheaper price of Tyres, BJ. has… | ||
| Scan029 | Letter to Dunlop Rubber Co. enquiring about the rolling circumference of a 19' rim with 6' tyres for a 20 HP car. | ||
| View original record | Expk : Dept : X4050 Hs/Rm2/LG. 28th. April 1927. Messrs. The Dunlop Rubber Co., X5820 Fort Dunlop, X4050 Erdington, Birmingham. Dear Sirs, We have read with interest your remarks on the tyre life with… | ||
| Scan030 | Adopting standard Dunlop tyres and testing tread patterns for noise on Phantom and 20 HP models. | ||
| View original record | To CWB. from Hs. c. to C. c. to Sg. c. to BY. X4050 Hs3/LG2. 5. 27. TYRES. X4050 X5810 It has been agreed that as soon as possible we should adopt the standard Dunlop tyres as regards tread pattern.… | ||
| Scan031 | The expected delivery of 6' section tyres and ordering of new Dunlop studded tread tyres. | ||
| View original record | S/W Hs. X4050 C6/07.5.27 Re TYRES. Hs3/LG.5.27 ------ We have not yet received the set of 6" section tyres from Dunlops but we are expecting them almost any time and we will then let you know our… | ||
| Scan032 | Introducing Buttressed Tread Covers for 'Phantom' and 20-HP chassis, detailing Dunlop's stock and querying Bentley's tyre usage. | ||
| View original record | Hs c to Test Dept, c to Hs. X9050 D/BP13/B18.5.27. Re: Buttressed Tread Covers for the 'Phantom' and 20-HP chassis. We have been advised by Dunlops that their present stock of Traction Tread Balanced… | ||
| Scan033 | Stock levels of Dunlop tyres for 20 HP and 40/50 HP models. | ||
| View original record | COPY. S/W. D/Bp. Sg19/M/17.5.27. Re: Sales stock of Tyres at Works. Referring to D/BP/HD12/OG12.5.27. and D/EP4/B. 14.5.27. we note you agree in principle that the Dunlop Triple Tread Tyres can be… | ||
| Scan034 | The standardization of the Buttress type tyre tread for 20 HP & 40/50 HP chassis. | ||
| View original record | D/BP c. to Test Dept. c. to Hs. X4050 BY/Cgh8/G.19.5.27. re TYRES FOR 20 HP. & 40/50 HP. CHASSIS. -------------------------------------- With reference to D/BP/13/B.18.5.27. from which we note that… | ||
| Scan035 | Recommendation on tyre selection and wear in relation to heavy steering on 40/50 HP and 20 HP models. | ||
| View original record | To Hm. from Hs/Rm. c. to BY. c. to CWB. c. to EP. X4050 Hs/Rm1/LG23.6.27. 40/50 HP. AND 20 HP. STEERING. X.8430 X.5430 X.4050 X.4565 We recommend that the following note is circulated to all Depots:-… | ||
| Scan036 | Order for Dunlop tyres and inner tubes. | ||
| View original record | To Roy/Ms. from Hs/Rn. X4050 Hs/Rms/LG15.7.27. X3035 Please order from The Dunlop Rubber Co. :- 4 33 X 5 straight-sided cord Dunlop outer covers. 2 33 X 5½ inner tubes for the above size. Hs/Rn. | ||
| Scan037 | Listing the weights of various tyres and wheel combinations. | ||
| View original record | X4050 WEIGHT OF TYRES. K3725 / 720 31 X 6.00 tyre fitted on 19" wheel. 57 lbs. 5 1/4" tyre fitted on 21" wheel. 59 lbs. 33 X 6.75" tyre fitted on 21" wheel. 73 lbs. --------- | ||
| Scan038 | Internal request to order tyres and tubes from Messrs. Dunlops. | ||
| View original record | To Roy/Ms. from Hs/Rm. X4050 X4050 X3075 Hs/Rm2/LG18.8.27. Will you please order for us from Messrs. Dunlops :- 8 31 X 6" triple stud buttressed tread tyres £3. 7. 10d. each - with 8 tubes 12/11d.… | ||
| Scan039 | Order for tyres and inner tubes for a 20 HP car. | ||
| View original record | To Roy/Ms. from Hs. X4050 Hs1/LG27.8.27. y3<-09 Please order for 20 HP. car 10-G-111 :- 6 Dunlop outer covers 6" for 21" well base rims. 6 " inner tubes for the above. Hs. | ||
| Scan040 | Comparing the tyre removal features of Michelin and Dunlop wheels and proposing a new two-depression rim design. | ||
| View original record | Hs. from E. X4050 E1/M31.10.27. RE. MICHELIN & DUNLOP WHEELS. X.987 X.3725 X.4050 X.3482 We take it that the Michelin wheel has an eccentric depression which allows the tyre to be removed in one place… | ||
| Scan041 | Requesting a set of British Goodrich tyres due to dissatisfaction with noise from Dunlop tyres. | ||
| View original record | To Roy. from Hs. X4050 Hs5/LG14.11.27. X2679 We have been asked by Sales to try some British Goodrich tyres. We are very dissatisfied with the noise which emanates from the Dunlop. Could you please… | ||
| Scan042 | Comparing the average mileage of well base tyres against straight sided cord tyres. | ||
| View original record | To C. from Hs/AJL. c. to Sg. BY. 44050 Hs/AJL1/LG17.11.27. TYRE MILEAGE. 43809/4565 We have now used well base wheels and low pressure tyres sufficiently long to be able to give a fair average life… | ||
| Scan043 | Request for tyre performance data, specifically m.p.h. at 1000 r.p.m. for various tyre and wheel combinations. | ||
| View original record | X. 4050 Hs. from DA. DAL/M23.11.27. [Handwritten] X5810 (crossed out) X4565 We have had various information regarding the running radius of high pressure and balloon tyres, but R. would like you to… | ||
| Scan044 | Results of a test on noisy tyres from chassis No. 62-LF. | ||
| View original record | S/W. Hs. 44050 CWB22/GM/25.11.27. Re: Chassis No. 62-LF. Noisy Tyres. You will recollect that in a former memo on this matter I referred to the case of Hartridge - 62-LF, and said that I would write… | ||
| Scan045 | Performance comparison memo between Michelin Comfort Bibendum and Dunlop tyres. | ||
| View original record | X4050 x987 To Hs. from GWH. Hs/GWH/LG29.11.27. RE. MICHELIN COMFORT BIBENDUM TYRES. 17 X 50. These tyres are worse for periods and groans at low speeds than Dunlops. At speeds over 30 m.p.h. they are… | ||
| Scan046 | Comparison of 'Traction' and 'Buttress' tyre treads, noting noise and vibration characteristics. | ||
| View original record | To HS/GWH/30/11/27 X4050 in. Re Tyres We have been comparing Traction, and Buttress, Treads. We find very little difference between the two treads from speeds of 5 MPH to 30 MPH. At higher speeds the… | ||
| Scan047 | Analysis of uneven tyre tread wear, its causes, and its relationship to transmission vibration. | ||
| View original record | pattern tread that does not at some time during its life. We believe the cause of these periods is hard rubber in a new tyre and when 50% approx worn the uneven surface of the tread These in many… | ||
| Scan048 | Drawing illustrating the profile and tread of a wheel and tyre. | ||
| View original record | ", | ||
| Scan049 | Tyre noise and vibration issues with various tyre brands like Michelin and Dunlop. | ||
| View original record | To CWB. from Hs. c. to C. c. to Sg. c. to EY. X4050 Hs5/LG1.12. 27. TYRE NOISES. X4050 X4117 X987 With reference to CWB22/GM25.11.27. We have recently obtained a set of the latest pattern Michelin… | ||
| Scan050 | Explaining variations in tyre rolling diameters and their 5% effect on the effective gear ratio. | ||
| View original record | To DA. from Hs/Rn. c. to BY. EP. c. to E. CWB. X4050 Hs/Aml/LG3.12.27. X4565 / X4050 Replying to your DA1/M23.11.27. herewith the required information. We have indicated why the rolling diameters of… | ||
| Scan051 | Comparison of road speeds using various tyre types and pressures for different car models. | ||
| View original record | ROAD SPEED WITH VARIOUS TYRES. BALLOON TYRES ARE AFFECTED MORE BY CENTRIFUGAL FORCE THAN HIGH PRESSURE TYRES. FOR THIS REASON THOUGH AT 30 M.P.H. THE BALLOONS GIVE A LOWER GEAR RATIO, AT 60 M.P.H. THE… | ||
| Scan052 | Short test on British Goodrich tyres, noting their quietness compared to Dunlop tyres. | ||
| View original record | To CWB. from Hs. X9050 Hs5/LG9.12.27. TYRE NOISES. X2679 We have now made a short test with the British Goodrich tyres. These appear to be a very definite improvement over the Dunlop tyres wi th… | ||
| Scan053 | Letter to Dunlop Ltd. arranging a visit to discuss alternative tyres and the use of rubber blocks in chassis construction. | ||
| View original record | X4050 He/Rml/T. 17th December, 1927. Messrs. Dunlop Ltd., Fort Dunlop, Erdington, Birmingham. X2679 Dear Sirs, For the attention of Mr. Paull. We should like to pay you a visit on Tuesday next to show… | ||
| Scan054 | Performance and noise characteristics of Dunlop tyres, particularly a low-speed shudder. | ||
| View original record | S/W. Hs X4050 Copy to:- H. BJ. Wor. E. By. Ms. OWB1/GM/2.1.28. RECEIVED Re: DUNLOP TYRES. I have a copy of your report Hs/Rm1/LG22.12.27 with regard to the above. I am glad to note that you have been… | ||
| Scan055 | The disposal of four used Buttressed Tread type tyres removed from vehicle GRJ-45. | ||
| View original record | RECEIVED 31 DEC 1928 X4050 EWT/HS [Struck through] c. to Hs. D/BP4/B12.1.28. On the 29th December we advised you that London wish to dispose of 4 Traction Tread tyres of the Buttressed Tread type… | ||
| Scan056 | Development of a quieter, but less safe, tyre with Dunlop. | ||
| View original record | L4050 To B.J. from Hs. c.c. to C. c.c. to Wor. c.c. to Sg. Hs3/LG25.1.28. TYRE NOISE. 44565 With reference to BJ16/E24.1.28. some time ago we went over to Messrs. Dunlop and saw the Chief of the… | ||
| Scan057 | Performance of Dunlop Triple Stud tyres, particularly their non-skid capabilities on rough roads. | ||
| View original record | Hs. BY. from R. EP. c. to BJ. C. PN. c. to CWB. SG. K.4050 R6/M2.2.28. TYRES - DUNLOP TRIPLE STUD. Naturally I cannot do much in this matter. On these rough roads there is not much disadvantage from… | ||
| Scan058 | Letter from Dunlop Rubber Co. Ltd. regarding the dispatch and testing of special tread tyres for noise reduction. | ||
| View original record | X4050 DUNLOP RUBBER CO.,LTD. TELEGRAPHIC ADDRESS: "DUNLOPS:PHONE:BIRMINGHAM." TELEPHONE: BIRMINGHAM CENTRAL 4108. P.B.E. 25 LINES. YOUR REF: OUR REF: WB.LW.8.72. FORT DUNLOP ERDINGTON BIRMINGHAM 7th… | ||
| Scan059 | Problem of excessive tyre noise from Dunlop Triple Stud tyres on smooth roads. | ||
| View original record | To-R. from BJ. Copy to Hs. BY. EF. C. PN. OWB. Eg. Handwritten: HS (crossed out) X4050 BJ15/E7.2.28 TYRES - DUNLOP TRIPLE STUD. We were very much interested in reading RS/MP.2.28. Our trouble in… | ||
| Scan060 | Initial testing of new silent Dunlop tyres on a 40/50 HP vehicle. | ||
| View original record | To C. from Hs/Rn. c.c. to B.J. Wor. c.c. to Sg. Y4050 Hs/RnL/LG10.2.28. Y4050 NEW TYPE DUNLOP TYRES. We have received a set of silent Dunlop tyres for the 40/50 HP. We think these are an immense… | ||
| Scan061 | Letter to Dunlop requesting a second set of new tyres for parallel testing. | ||
| View original record | X4050 Expl: Dept: Hs/Rm2/LG. 11th. Feb. 1928. Messrs. Dunlop, Fort Dunlop, Erdington, Birmingham. Dear Sirs, For the attention of Mr. Paull. We thank you for your letter and the set of new type tyres.… | ||
| Scan062 | Brief typed memo regarding new Dunlop tyres, acknowledging a previous note and requesting a further report. | ||
| View original record | S/W X4050 C9/C13.2.28 Re New Type Dunlop Tyres. Hs/Pm1/LG10.2.28 I am interested to note this, and shall be glad to receive your further report. C. | ||
| Scan063 | Letter from Dunlop Rubber Co., Ltd. concerning an order for special tyres for testing and requesting feedback on noise. | ||
| View original record | x4050 DUNLOP RUBBER CO.,LTD. TELEGRAPHIC ADDRESS: "DUNLOPS,PHONE,BIRMINGHAM." TELEPHONE: BIRMINGHAM CENTRAL 4108. P.B.E. 25 LINES. YOUR REF: OUR REF: WB.LW.3.152. FORT DUNLOP ERDINGTON BIRMINGHAM 15th… | ||
| Scan064 | Letter to the Dunlop Rubber Co. providing initial feedback on the silence of submitted tyres. | ||
| View original record | +4050. Expl: Dept: Hs/Rm2/LG. 16th. Feb. 1928. Messrs. The Dunlop Rubber Co., Fort Dunlop, Erdington, Birmingham. Dear Sirs, For the attention of Mr. Bond. With reference to your letter of the… | ||
| Scan065 | Private letter regarding variation in tyre wear and the use of smaller wheels on the 20 HP model. | ||
| View original record | X4050 Private. S/W. Hs. Sg8/W/13.3.28. Re: Variation in Tyre Wear. Attached please find letter and pamphlet from the Dunlop Rubber Co. which I am sending to you in view of their reference to smaller… | ||
| Scan066 | Inquiry to the Dunlop Company regarding the development and potential future requirements for a silent tread tyre. | ||
| View original record | X4050 Hs. from ROY. ROY11/MG27.3.28 ----------------- The Dunlop Company are particularly anxious to know if we can give them any information yet on the silent tread tyre, as they are desirous of… | ||
| Scan067 | Performance and fitting of new, quieter Dunlop tyres compared to the older buttress tread design. | ||
| View original record | X. 4050 To C. from Hs. c. to SG. CWB. c. to EP. Wor. c. to EY. Hsl/LG28.3.28. DUNLOP TYRES. We are now satisfied that the Dunlop tyres with the new pattern tread are more silent than with the buttress… | ||
| Scan068 | Brief internal memo agreeing to take a matter up with Dunlops. | ||
| View original record | X4050 S/W Hs DUNLOP TYRES. Hs1/LG28.3.28 ----- C13/C11.4.28 Thanks for your memo. We agree with your remarks and are taking the matter up with Dunlops. C. | ||
| Scan069 | Various tyre and rim options for the 20 HP car, requesting rolling circumference data for comparison. | ||
| View original record | S/W. HS. X4050 CWB8/GM22.5.28. 20 HP. AXLE RATIOS. X5350 Thank you for Hs1/LG19.5.28. To enable us to make the fullest possible comparison, would you kindly give us the effective rolling circumference… | ||
| Scan070 | 20 HP axle ratios and tyre sizes, expressing reluctance to introduce a new tyre size. | ||
| View original record | +4050 To CWB. from Hs/Rm. Hs/RmE/LG23.5.28. 20 HP. AXLE RATIOS. X5350 Replying to CWB3/GM22.5.28. We have already given you full particulars of all the tyres used on the cars in our Hs/RmL/LG3.12.27.… | ||
| Scan071 | Letter to The Dunlop Rubber Co. regarding a matter involving Sir Reginald Ford and a representative in Bombay. | ||
| View original record | X4050 4th. June 1928. Hs/Rnl/LG. Messrs. The Dunlop Rubber Co., Fort Dunlop, Erdington, Birmingham. Y4765 Dear Sirs, For the attention of Mr. W. Bond. With reference to your letter of the 1st. We… | ||
| Scan072 | Typed extract of a letter regarding complaints about the poor performance of balloon tyres for cross country work. | ||
| View original record | C O P Y. Extract....... I have heard many complaints of balloon tyres particularly the fact that they are no good for cross country work owing to their liability to puncture easily and so serious do I… | ||
| Scan073 | Cover page for a pamphlet from The Rubber Association of America regarding the reasons for variation in tire wear. | ||
| View original record | Handwritten: X4050. As [struck through]. Col Matthew sent this an it may be of interest for reference it was sent in relation to our proposals for smaller wheels. Bly Typed: Copy of Pamphlet Issued by… | ||
| Scan074 | Paper discussing the various factors that cause variation in tire wear, such as speed and temperature. | ||
| View original record | Left Page (decoded from mirrored text): Copy of Pamphlet Issued by The Rubber Association of America, Inc. for Reasons for Variation in Tire Wear Right Page: The Reasons for Variation in Tire Wear.… | ||
| Scan075 | Technical analysis of factors contributing to automobile tire wear. | ||
| View original record | 2. ROAD SURFACES.—The kind of roads over which tires are run has a large bearing on the rate of wear. The old dirt road which was fairly soft did not cause much wear, but improved roads with various… | ||
| Scan076 | Study on excessive tire wear causes, including brake adjustment and misalignment, with a data table on estimated mileage in Detroit and Buffalo. | ||
| View original record | taneously by quick depression of the foot pedal; while on the road, under slighter depression, one wheel may take hold more than another. Four wheel brakes must be adjusted perfectly, so that no one… | ||
| Scan077 | Letter from Dunlop Rubber Co. Ltd. regarding the specifications and availability of 6.00 inch tyres for 20 and 21 inch rims. | ||
| View original record | Ho noted By 4050 DUNLOP RUBBER CO.,LTD. TELEGRAPHIC ADDRESS: "DUNLOPS, BIRMINGHAM" TELEPHONE: BIRMINGHAM CENTRAL 4108 P.B.E. 25 LINES YOUR REF: OUR REF: WB.LW.10.187 FORT DUNLOP ERDINGTON BIRMINGHAM… | ||
| Scan078 | Telegram from Royce to Roycar-Derby requesting the urgent supply of wheels and tyres. | ||
| View original record | c. to BY. Hs. X4050 WW+ 23.7.28 ROYCAR - DERBY. X. 5810 X. 5820 X. 4050 BAILY HIVES WHEELS AND TYRES GET QUICKLY AS POSSIBLE AT LEAST TWELVE SETS SIX INCH TYRES AND TWENTY INCH RIMS AND SPARES SURE… | ||
| Scan079 | Order for tyres and tubes from Dunlops to be fitted and delivered to Conduit Street. | ||
| View original record | To Roy/Ms. from Hs. X4050 HsL/LG26. 7. 28. X3725 Will you please order for us from Messrs. Dunlops - a set of 6 tyres and tubes 20" X 6". We wish these tyres to be fitted to the set of 20" X 6" wheels… | ||
| Scan080 | Order for a set of complete silent tread tyres for a 40/50 HP car. | ||
| View original record | To Roy/Ms. from Hs/Rm. X4050. Hs/Rml/LG26.7.28. Will you please order a set of complete silent tread tyres for the 40/50 HP. car - 6.75" section 21" rims. Hs/Rm. | ||
| Scan081 | The weights of various 20 HP wheel and tyre combinations. | ||
| View original record | ~~[illegible]~~ X4050 19.8.28 WEIGHT. 20 HP. WHEEL AND TYRE. X.5810 X.4050 ---------------------- X.5820 X.3725 Y3809 (1) Dunlop 21" well base wheel fitted with 33 X 5.25" tyres. 60 lbs. (2) Dunlop… | ||
| Scan082 | Letter to Dunlop Rubber Co. regarding inconsistencies in tyre dimensions and specifications. | ||
| View original record | X4050 Expl: Dept: Hs/Rn5/LG. 21st. Aug. 1928. Messrs. The Dunlop Rubber Co., Fort Dunlop, Erdington, Birmingham. Dear Sirs, For the attention of Mr. Paull. X4050 X5820 We have been caused no little… | ||
| Scan083 | Specification table for Dunlop wheels and tyres. | ||
| View original record | DUNLOP WHEELS AND TYRES. | Type of tyre and wheel. | Effective running circumference. ins. | Effective running diameter. ins. | Circumference with no load - ins. | Dia. with no load ins. | Weight lbs.… | ||
| Scan084 | Order for three 6.75' silent tread tyres from Messrs. Dunlops for a 40/50 HP car. | ||
| View original record | To Roy. from Hs/Rm. X4050 Hs/Rml/LG4.9.28. X7810 Will you please order for us from Messrs. Dunlops :- 3 6.75" tyres for 21" rims silent tread for our 40/50 HP. car. Hs/Rm. | ||
| Scan085 | Letter to Dunlop Rubber Co. regarding the supply and specifications of tyres and wheels for a 40/50 HP car. | ||
| View original record | HS/RmL/LG. Expl: Dept: 25th. Sept. 1928. +4058 Y4565 Messrs. The Dunlop Rubber Co., Fort Dunlop, Erdington, Birmingham. Dear Sirs, For the attention of Mr. Paull. With reference to our conversation… | ||
| Scan086 | Visit to Dunlop Rubber Co. concerning new 'Fort' and 'Super' model tyres. | ||
| View original record | To R. from Hs/Rm. c. to BJ. Wor. c. to RG. E. c. to DA. BY. c. to SG. 14050 Hs/Rm3/LG25.9.28. DUNLOP RUBBER CO. x4050 x7820 x24466 x5820 x8005 We visited the Dunlop Rubber Co. on the 24th. inst. We… | ||
| Scan087 | Tyre performance regarding 'shimmy', and issues with rubber engine feet and cylinder joints. | ||
| View original record | contd :- -2- give us greater immunity from shimmy than the standard tyre on the 40/50. If so, they might help us in getting a good front end ride. It will be recollected that the 6" tyre was… | ||
| Scan088 | Letter to Dunlop Rubber Co. Ltd. requesting silent tread tyres for 'shimmy' tests. | ||
| View original record | X 4050. Expl: Dept: Hs/RD4/LG. 28th. Sept. 1928. Messrs. The Dunlop Rubber Co.Ltd., Fort Dunlop, Erdington, Birmingham. Dear Sirs, For the attention of Mr. Paull. We are anxious to obtain some silent… | ||
| Scan089 | Solutions for harsh riding, focusing on spring selection, weight distribution, and tyre types. | ||
| View original record | BJ. BY HS. FROM R. V4050 R1/M.1.10.28. c. to Wor. DA. E. C. SG. RE. SPRINGING. X.7410 X.507 X.8410 X.4050 X.5410 X.7830 Certain undesirable characteristics of the cars have been overcome by effective… | ||
| Scan090 | Letter to Dunlop Rubber Co. regarding a request from Mr. Royce for a set of silent tread tyres for his 20HP car. | ||
| View original record | X4050 HS/Rm3/LG. Expl: Dept: 3rd. Oct. 1928. Messrs. The Dunlop Rubber Co., Fort Dunlop, Erdington, Birmingham. Dear Sirs, For the attention of Mr. Paull. With reference to our letter of the 28th.ult.… | ||
| Scan091 | Fitting of new silent tyres to trials cars. | ||
| View original record | X4050 Hs To R. from BJ. Springing. BJ7/E4.10.28 Copy to BY Hs. Wor. DA. E. C. Sg. In R1/M1.10.28 you wrote as follows:- "Hs. says that the more silent type of tread makes a "wonderful difference to… | ||
| Scan092 | Letter from Dunlop Rubber Co. Ltd. discussing tyre specifications and alternatives due to fitting difficulties. | ||
| View original record | X4050 DUNLOP RUBBER CO.,LTD. TELEGRAPHIC ADDRESS: "DUNLOPS, PHONE, BIRMINGHAM". TELEPHONE: BIRMINGHAM CENTRAL 4108 P.B.E. 25 LINES EXTENSION No. YOUR REF: OUR REF: WB.LW.S.410 FORT DUNLOP ERDINGTON… | ||
| Scan093 | Continuation sheet of a letter concerning supply arrangements and an enquiry from Paris. | ||
| View original record | A 121 D. R. CO., LTD. SHEET No. 2. 19 Messrs. Rolls-Royce Ltd. you to arrange for a supply from this side. We are, however, enquiring from Paris and will advise you further. -- | ||
| Scan094 | Letter to Dunlop Rubber Co. regarding tyre comparison tests for a 40/50 HP car. | ||
| View original record | X4050 Hs/Rn5/LG. 5th. Oct. 1928. Messrs. The Dunlop Rubber Co., Fort Dunlop, Erdington, Birmingham. Dear Sirs, For the attention of W.Bond Esq., With reference to your letter of the 4th.inst. re Tyres… | ||
| Scan095 | Selecting the quietest and most flexible tyres, with sizes specified for Phantom, 20 HP, 'SS', and India models. | ||
| View original record | hs. from R. c. to BJ. Wor. c. to C. BY. c. to DA. SG. X4050 R1/M6.10.28. CAR TYRES. X.5820 X.7820 X.4080 We are anxious to use the quietest tyres of the most flexible type (for good low speed riding,)… | ||
| Scan096 | The introduction and performance of silent tread tyres on Phantom and 20 HP cars. | ||
| View original record | R. from Hs. c. to BJ. Wor. c. to E. DA. c. to EY. X4050 Hsl/LG9.10.28. CAR TYRES. X. 8820 X. 582P X.4050 Phantom cars are now being despatched with tyres having silent treads. These are the 6.75" on… | ||
| Scan097 | Letter from Dunlop regarding the supply and production status of various tyre types for testing. | ||
| View original record | +4050 DUNLOP RUBBER CO.,LTD. TELEGRAPHIC ADDRESS: "DUNLOPS, PHONE, BIRMINGHAM." TELEPHONE: BIRMINGHAM CENTRAL 4108 R.B.E. 25 LINES EXTENSION No. YOUR REF: OUR REF: WB.LW.6.1010 FORT DUNLOP ERDINGTON… | ||
| Scan098 | Letter from The Dunlop Rubber Co. Ltd. regarding the inclusion of certain tyres in the Dunlop France programme. | ||
| View original record | A 121 D. R. CO., LTD. SHEET No. 2. 10th Oct.19 28. Messrs. Rolls-Royce Ltd. to Dunlop France for their information in case they wished to include such tyres in their programme. Yours faithfully, for… | ||
| Scan099 | Letter to The Dunlop Rubber Co. inquiring about the availability of standard 'Fort' tyres and super tyres for testing. | ||
| View original record | X4050 Hs/Rn2/LG. Expl: Dept: 17th. Oct.1926 Messrs.The Dunlop Rubber Co., Fort Dunlop, Erdington, Birmingham. Dear Sirs, For the attention of W.Bond Esq. With reference to your letter of the… | ||
| Scan100 | Letter from Dunlop Rubber Co. Ltd. concerning the manufacture and availability of Fort and Super tyres. | ||
| View original record | X4050 DUNLOP RUBBER CO.,LTD. TELEGRAPHIC ADDRESS: "DUNLOPS, PHONE, BIRMINGHAM" TELEPHONE: BIRMINGHAM CENTRAL 4108 P. B. E. 25 LINES EXTENSION No. YOUR REF: OUR REF: Technical Director's Office. FORT… | ||
| Scan101 | Letter to the Dunlop Rubber Co. Ltd. concerning the poor mileage of silent tread tyres. | ||
| View original record | X4050 Hs/Rn3/LG. Expl: Dept: 23rd. Oct. 1928. Messrs. The Dunlop Rubber Co.Ltd., Fort Dunlop, Erdington, Birmingham. Dear Sirs, We are somewhat concerned with the wear of the silent tread tyres. We… | ||
| Scan102 | Letter to Dunlop Rubber Co. regarding poor road grip from triple stud tyres and enquiring about re-treading options. | ||
| View original record | +4050 Expt: Dept: Hs/RmL/LG. 23rd. Oct. 1928. Messrs. The Dunlop Rubber Co., Fort Dunlop, Erdington, Birmingham. Dear Sirs, For the attention of Mr. Faull. DEVELOPMENT Dept. We have had cases of… | ||
| Scan103 | Incorrect tyre delivery from the Dunlop Rubber Co. and a request for improved communication. | ||
| View original record | Hs. X4050 ROY/GEA1/EB23.10.28. We received from the Dunlop Rubber Co.Ltd., on the 9th instant, two 33 x 6.75" Dunlop "Fort" Covers and Tubes, and as we could not trace having ordered these, we wrote… | ||
| Scan104 | Comparing the mileage of Silent Tread tyres against triple studded tyres. | ||
| View original record | Hs. from GWH. X 4050 Hs/GWH/LG24.10.28. SILENT TREAD TYRE. 6.75" X 4050 XU4565 We find from our experience that these tyres are giving us a poor mileage - viz: 2860 miles. This is the mileage taken to… | ||
| Scan105 | Letter from Dunlop Rubber Co. Ltd. to W.A. Robotham confirming a meeting and acknowledging receipt of previous correspondence. | ||
| View original record | +4050 DUNLOP RUBBER CO.,LTD. TELEGRAPHIC ADDRESS: "DUNLOPS, PHONE, BIRMINGHAM" TELEPHONE: BIRMINGHAM CENTRAL 4108 R.B.E. 25 LINES EXTENSION No. YOUR REF: OUR REF: WB.LW.5.2510 FORT DUNLOP ERDINGTON… | ||
| Scan106 | Explaining the difficulties in ordering experimental tyres from Dunlop. | ||
| View original record | To ROY/GEA. from Hs/Rn. X4050 Hs/Rn1/LG26.10.28. With reference to ROY/GEA1/EB23.10.28. The question of orders for experimental tyres is difficult because we frequently talk about a tyre with the… | ||
| Scan107 | Letter to The Dunlop Rubber Co. confirming a meeting time and date. | ||
| View original record | X4050 Expl: Dept: Hs/Rm4/LG. 29th. Oct. 1928. Messrs. The Dunlop Rubber Co., Fort Dunlop, Erdington, Birmingham. Dear Sirs, For the attention of Mr. Paull. I hope to be at Fort Dunlop about 1.15 p.m.… | ||
| Scan108 | Meeting with Dunlop to discuss tyre tread life, safety on wet roads, and development of new tyres. | ||
| View original record | To R. from Hs/Rn. c. to BJ. Wor. c. to E. DA. c. to BY. X4050 Hs/Rn6/LG2.11.28. TYRES. 78005 We visited the Dunlop Works on Tues. the 30th.ult. We discussed the effective non-skid life of the tyre… | ||
| Scan109 | Continued discussion on testing experimental rubber mixings for the 40/50 load. | ||
| View original record | contd :- -2- a permanent set; whilst they wish that we could increase the quantity of rubber to take the load on the 40/50, they believe from their tests that we shall get better results with the… | ||
| Scan110 | Letter from Dunlop regarding a delay in the supply of Silent Tread Tyres. | ||
| View original record | X4050 DUNLOP RUBBER CO.,LTD. TELEGRAPHIC ADDRESS: 'DUNLOPS, PHONE, BIRMINGHAM.' TELEPHONE: BIRMINGHAM CENTRAL 4108 P.B.E. 25 LINES EXTENSION No. YOUR REF: OUR REF: AGP.LW.S.2910 FORT DUNLOP ERDINGTON… | ||
| Scan111 | Letter to a customer regarding skidding issues with his 20 HP car's Dunlop tyres, recommending re-treading. | ||
| View original record | c. to Hm. X4050 Hs/RM4/LG. Expl: Dept: 2nd. Nov. 1928. R. Worth Esq., Hovenden House, Holbeech, Lincs. Dear Mr. Worth, With reference to the difficulty you are having with your 20 HP. with regard to… | ||
| Scan112 | Letter discussing a customer's complaint about Dunlop tyres skidding and the potential for re-treading. | ||
| View original record | To Hm. from Hs/Rm. X4650 Hs/Rm5/LG2.11.28. DUNLOP TYRES. X4118 Mr. Worth, who is a personal friend of mine, has two 20 HP. RR. cars. He has complained that they skid badly so that he dare not let his… | ||
| Scan113 | Production of a replica 'Fort' non-skid tyre, questioning the decision as it seems to contradict previous efforts with Dunlop's to create a silent tread tyre. | ||
| View original record | S/W. Hs. (Copy to Sn) +4050- Sg8/M/7.11.28. Re: Tyres. Referring to Hs/Rm6/LG2.11.28. I should be interested to know what type of non-skid is referred to in the first paragraph. With regard to asking… | ||
| Scan114 | Clarifying that the term 'Fort' refers to tyre dimensions, in response to a previous query. | ||
| View original record | X4050 To Sg. from Hs/Rm. Hs/Rm2/LG8.11.28. X4565 With reference to Sg8/M7.11.28. The type of tread referred to is of course the RR. silent tread. The term 'Fort' merely indicates the dimensions of the… | ||
| Scan115 | Letter to Dunlop Rubber Co. Ltd. requesting the earliest delivery date for an urgent tyre order for Mr. Royce's car. | ||
| View original record | Expl: Dept: X4050- 8th. Nov. 1928. Hs/Rm2/LG. Messrs. The Dunlop Rubber Co.Ltd., Fort Dunlop, Erdington, Birmingham. Dear Sirs, For the attention of Mr. Paull. We have on order three sets of tyres for… | ||
| Scan116 | Query regarding the delayed delivery of Silent Tread Tyres from Dunlop for an S.S. Chassis. | ||
| View original record | Hs. X9050 ROY/GEA.5/EB13.11.28. With reference to the Silent Tread Tyres 32 x 6.75" ordered from Messrs.Dunlops for the S.S. Chassis. We have this morning received from said firm, a letter, copy… | ||
| Scan117 | Letter from Dunlop Rubber Co. Ltd. regarding a delay in the delivery of 32 x 6.75 Silent tyres. | ||
| View original record | Copy of letter received from:- MESSRS. THE DUNLOP RUBBER CO. LTD., FORT DUNLOP, ERDINGTON, BIRMINGHAM. Our Ref. MANUFACTURERS DIV. CAR. C.V. & AERO. LWT. K. 7. November 12th, 1928. Your Ref. ROY.… | ||
| Scan118 | Letter from Dunlop Rubber Co. Ltd. explaining a delivery delay for Silent Tread Tyres due to porosity in the mould material. | ||
| View original record | x4050 DUNLOP RUBBER CO.,LTD. TELEGRAPHIC ADDRESS: DUNLOPS, PHONE, BIRMINGHAM. TELEPHONE: BIRMINGHAM CENTRAL 4108 P.B.E. 25 LINES EXTENSION No. YOUR REF: OUR REF AGP.LW.4.2311 FORT DUNLOP ERDINGTON… | ||
| Scan119 | The delay in delivery of silent tread tyres for 19' rims due to faulty moulds from Dunlops. | ||
| View original record | To R. from Hs/Rm. c. to BJ. Wor. c. to E. DA. c. to BY. +4050 Hs/Rm2/LG24.11.28. 20 HP. SILENT TREAD TYRES FOR 19" RIMS. X.5820 X.4050 We have just heard from Messrs. dunlops that the moulds they have… | ||
| Scan120 | Letter to the Dunlop Rubber Co. regarding the unavailability and delivery of silent tread tyres. | ||
| View original record | X4050 Expl: Dept: Hs/Rm3/LG. 26th. Nov. 1928. Messrs. The Dunlop Rubber Co., Fort Dunlop, Erdington, Birmingham. Dear Sirs, For the attention of H.W.Paull.Esq. With reference to your letter of the… | ||
| Scan121 | The performance and mileage testing of Goodrich tyres, comparing them with Dunlop tyres. | ||
| View original record | To ROY. from Hs/AJL. X 4050 Hs/AJL1/LG4.12.28. GOODRICH TYRES. X 2679 A set of [strikethrough] Goodrich tyres received for test purposes have been run on our cars under conditions exactly comparable… | ||
| Scan122 | Test results for Goodrich Cord Tyres 33 X 6.75, detailing mileage run and wear remarks. | ||
| View original record | GOODRICH CORD TYRES 33 X 6.75. (Received for test 7.12.27) No.of Tyre. Ref: No. Miles run on front. Miles run on rear. Total miles. Remarks. DRO.33774 88 3847 4470 8317 On canvas. Worn right out. "… | ||
| Scan123 | Order for a set of six silent tread tyres with tubes. | ||
| View original record | To ROY. from Hs/Rn. X4050 Hs/Rn6/LG5.12.28. X5820 Will you please order for us :- 1 complete set of 6 31 X 6" tyres for 19" rims complete with tubes. If possible we should like these to be of the… | ||
| Scan124 | Letter to The Dunlop Rubber Co. regarding the testing of 'Fort' and 'Super' tyres and proposed modifications. | ||
| View original record | V4050 Expl: Dept: c. to BY. c. to ROY. 7th. Dec. 1928. HS/Rm2/LG. Messrs. The Dunlop Rubber Co., Fort Dunlop, Erdington, Birmingham. Dear Sirs, For the attention of Mr. Paull. You will remember that… | ||
| Scan125 | The supply and delivery schedule of Dunlop tyres for 20' rims. | ||
| View original record | Y4050 Hs. from ROY. ROY7/MG10.12.28 Following our conversation this morning, the following is the present position of the Dunlop Tyres for 20" Rims, 32 x 6.75. No Silent Tread Covers suitable for such… | ||
| Scan126 | Letter from Dunlop Rubber Co., Ltd. regarding the provision of two sets of 6' for 19' Fort Dunlop Silent Tyres. | ||
| View original record | X4050 DUNLOP RUBBER CO.,LTD. TELEGRAPHIC ADDRESS: "DUNLOPS, PHONE, BIRMINGHAM" TELEPHONE: BIRMINGHAM, CENTRAL 4108 P.B.E. 25 LINES EXTENSION No. YOUR REF: OUR REF: Technical Director. FORT DUNLOP… | ||
| Scan127 | Notification that the Dunlop Company will now only be making 32 x 6.75' Silent Tyres for 20' 'Fort' type rims. | ||
| View original record | X9050 BY. from ROY. } Hs. " " } ------------------- ROY13/MG21.12.28 ------------------- The Dunlop Company now advise they will only be making the 32 x 6.75" Silent Tyres suitable for 20" Rims in the… | ||
| Scan128 | Letter from Dunlop Rubber Co. Ltd regarding the production and dimensions of a 32 x 6.75' Silent Tyre. | ||
| View original record | C O P Y From: THE DUNLOP RUBBER CO.LTD Manufacturers Div. Fort Dunlop Car C.V & Aero ERDINGTON LWT.K.15 Birmingham Your Ref: ROY8/MG19.11.28 December 20th.1928 Messrs. Rolls-Royce Ltd. D E R B Y Dear… | ||
| Scan129 | Blueprint detailing the inflated and deflected shapes of a 7.00-20' Fort Silent Tyre. | ||
| View original record | REVISIONS DEFLECTED WIDTH 7.52 INFLATED WIDTH 6.84 EFFECTIVE RAD. 16.29 INFLATED DIA. 34.66 LOAD 17 CWT. PRESSURE 43 LBS □ 32" x 6.75" 7.00-20" FORT SILENT TYRE. INFLATED, LOADED & DEFLECTED SHAPES.… | ||
| Scan130 | Approving the Dunlop Company's decision to exclusively produce 'Fort' tyres for 40/50 20' rims. | ||
| View original record | X 4050 To ROY. from Hs/Rn. Hs/Rn4/LG14.1.29. c. to BY. 40/50 TYRES FOR 20" RIMS. With reference to ROY13/MG21.12.28. We approve of the action of the Dunlop Co. in deciding to make 'Fort' tyres only in… | ||
| Scan131 | Follow-up letter to the Dunlop Co. concerning experimental tyres with a longer non-skid life. | ||
| View original record | X4050 Hs/Rm3/LG. Expl: Dept: 14th. Jan. 1929. Messrs. The Dunlop Co., Fort Dunlop, Erdington, Birmingham. Dear Sirs, For the attention of Mr. Paull, Development Department. Referring to our letter… | ||
| Scan132 | Request to the Paris Depot to obtain and despatch six Dunlop tyres for car 19-EX. | ||
| View original record | Mr. Punt - Paris Depot from Hs/GWH. [Handwritten:] X4050 Hs/GWH1/LG19.2.29. DUNLOP TYRES - 19-EX CAR. [Handwritten:] X4050 (struck through) / X7920 Will you please obtain 6 Dunlop tyres 33 X 6.75 for… | ||
| Scan133 | Telegram regarding Dunlop tyre specifications, asking to clarify English or French manufacture. | ||
| View original record | ROLLS-ROYCE LTD. 9050 TELEGRAM RECEIVED BY TELEPHONE. STAMP: RECEIVED FEB 1929 Time Received: 1-2 Date: 21-2-29 To: Lympan Derby By: Woa from: Sevres 21ST RECEW=35 Message Body: Dunlop Tyres nineteen… | ||
| Scan134 | Instructing the Paris Depot to send Dunlop buttress tread tires to Chateauroux. | ||
| View original record | Mr. Punt - Paris Depot. from Hs/G.W.Hancock. Hs/GWH1/LG21.2.29. We have received your telegrame dated the 21st. Feb. re. 19-EX. We do not mind what tread it is, but as the silent tread is not made… | ||
| Scan135 | Telegram from Sevres, France regarding options for Dunlop tyres, specifically country of manufacture and tread type. | ||
| View original record | POST OFFICE TELEGRAPHS. CONFIRMATION + 147 CL MCX 11:35 21 SEVRES 26 ROYCAR DERBY = DUNLOP TYRES NINETEEN EX DO YOU REQUIRE ENGLISH OR FRENCH MANUFACTURE STOP BUTTRESY TREAD OR SILENT TREAD THE LATTER… | ||
| Scan136 | Letter discussing the supply of Dunlop tyres for a 19-EX car, comparing English and French options. | ||
| View original record | To "Hs " Derby VL4050 EWP/25/FAW 21.2.29 Dunlop Tyres; 19-EX Car In reply to your Hs/GMHI/LG 19.2.29 we confirm our telegram of this morning DUNLOP TYRES NINETEEN EX DO YOU REQUIRE ENGLISH OR FRENCH… | ||
| Scan137 | Telegram received by telephone concerning the manufacturing origin of Dunlop tyres. | ||
| View original record | ROLLS-ROYCE LTD. TELEGRAM RECEIVED BY TELEPHONE. RR 144A (50BKS.) (DR 914 B 5-25) MP 317384. X4050. Time Received: 1-2. Date: 21-2-29. To: Repair Derby. By: Woa. from: Sevres. Stamp: FD 21 FEB 1929… | ||
| Scan138 | Proposing a change from 21' to 20' rims for the 'SS' model and requesting tyre sourcing from Dunlop. | ||
| View original record | Roy. from Hs2/LG4. 3. 29. X4050 +7820 Hs2/LG4.3.29. It is now proposed to use 20" rims on the 'SS' instead of 21" rims. We should be very glad if you will find out from Messrs. Dunlop when we can have… | ||
| Scan139 | Letter from Dunlop Rubber Co. Ltd. concerning tyre sizes, drop center rims, and information from American correspondents. | ||
| View original record | X4050 DUNLOP RUBBER CO.,LTD. TELEGRAPHIC ADDRESS: "DUNLOPS, PHONE, BIRMINGHAM". TELEPHONE: BIRMINGHAM CENTRAL 4108 P.B.E. 25 LINES EXTENSION No. YOUR REF: OUR REF: WB.LW.1.233 FORT DUNLOP ERDINGTON… | ||
| Scan140 | Letter from Dunlop Rubber Co. Ltd. about the difficulty of mounting tyres and requesting information on American rim specifications. | ||
| View original record | A 121 D. R. CO., LTD. SHEET NO. 2. 23rd Mar: 19 '29. Messrs. Rolls-Royce Ltd. We are also quite unable to understand why the tyres should be extraordinarily difficult to mount and remove. If… | ||
| Scan141 | Order of silent tread tyres from Dunlop for Mr. Royce's car. | ||
| View original record | To ROY. from Hs/Rn. X4050 X5820 Hs/Rn3/LG25. 3.29. Some time ago we asked Messrs. Dunlop to supply us with silent tread tyres for 19" rims for Mr. Royce's car. Will you please find out whether they… | ||
| Scan142 | Letter from Dunlop regarding a customer's objection to the silent type of tyre. | ||
| View original record | X4050 3 copies DUNLOP RUBBER CO., LTD. TELEGRAPHIC ADDRESS: "DUNLOPS, PHONE, BIRMINGHAM". TELEPHONE: BIRMINGHAM CENTRAL 4108 (P.B.E) EXTENSION No. YOUR REF: OUR REF: WB.LW.8.15 FORT DUNLOP ERDINGTON… | ||
| Scan143 | Letter from the Development Manager regarding a complaint about tyres and ensuring it reaches the correct department. | ||
| View original record | A 121 D. R. CO., LTD. SHEET NO. 2. 1st May 19 29. W.A. Robotham, Esq. tyres as original equipment, and may even transmit some complaint to you, it would be better if I gave you this information as to… | ||
| Scan144 | Customer's objections and driver feedback regarding 'Silent Tyres' on a 20 HP car. | ||
| View original record | 23rd April 1929. Silent Tyres 32x6.00 size - Original Equipment on Rolls-Royce 20 h.p. Car, owned by Mr. Antweiler. It is conveyed to us that Mr. Antweiler has certain objections to this form of tyre… | ||
| Scan145 | Investigation into incorrect tyre pressures caused by a faulty gauge and the resulting effects on tyre performance. | ||
| View original record | - 2 - driver to use lower pressures than this, i.e., not exceeding 30 lbs. all round. The driver states that he ascertains generally about once a week what pressure is in the tyres and restores it to… | ||
| Scan146 | Tyre performance and recommended pressures for further experimentation. | ||
| View original record | - 3 - this account, and in view of the experience of the Rolls-Royce and other users, it would be probably premature to take for granted that the tyres are necessarily unsatisfactory. We, therefore,… | ||
| Scan147 | Letter from Dunlop Rubber Co. Ltd. regarding revisions to 'Silent Type Tyres' based on test results. | ||
| View original record | DUNLOP RUBBER CO., LTD. Handwritten top right: X4050. TELEGRAPHIC ADDRESS: "DUNLOPS, PHONE, BIRMINGHAM". TELEPHONE: BIRMINGHAM CENTRAL 4108 (P.B.E.) EXTENSION No. YOUR REF: OUR REF: WB.LW.1.244 FORT… | ||
| Scan148 | Table of dimensions and weights for Dunlop Silent Tread 'Fort' type tyres. | ||
| View original record | 24.4.29. DIMENSIONS AND WEIGHTS OF DUNLOP SILENT TREAD TYRES, 'FORT' TYPE. Size. Approx:Weight. Approx:Inflated Approx:Effective lbs.ozs. Diameter. Width. Radius. 6.00-19 - 33- 2. 32.13" 5.98" 15.00"… | ||
| Scan149 | Letter concerning a customer's objection to silent tyres and the subsequent action taken. | ||
| View original record | COPY 1st. May 1929. (Dict.30th.ult). W.A. Robotham, Esq., Rolls-Royce Ltd., DERBY. Dear Mr. Robotham: Regarding the silent type of tyre - I think you might be interested to know that we have received… | ||
| Scan150 | Short memo from the Development Manager to W.A. Robotham, Esq. | ||
| View original record | (2) W.A. Robotham, Esq. I do not know whether I am right in bringing this before your notice, but if I am not, would you kindly put this communication into the hands of the right Department. Yours… | ||
| Scan151 | Objections raised by Mr. Antweiler regarding the original equipment Silent Tyres on his 20 HP car. | ||
| View original record | COPY 23rd. April 1929. Silent Tyres 32x6.00 size - Original Equipment on Rolls-Royce 20 h.p. Car, owned by Mr.Antweiler. It is conveyed to us that Mr. Antweiler has certain objections to this form of… | ||
| Scan152 | Investigation into incorrect tyre pressures caused by a faulty gauge and the resulting effects on tyre performance. | ||
| View original record | (2) driver to use lower pressures than this, i.e., not exceeding 30 lbs. all round. The driver states that he ascertains generally about once a week what pressure is in the tyres and restores it to 30… | ||
| Scan153 | Recommendation for further tyre pressure experiments and communication with a customer regarding their equipment. | ||
| View original record | (3) We, therefore, recommend that a further experiment be made by running the tyres definately at the pressures recommended by the Rolls-Royce Co., viz., 35 lbs front and 40 lbs rear, for two or three… | ||
| Scan154 | Customer's objections to replacing silent tread tyres with triple stud tyres. | ||
| View original record | X4050. W/S. H. from Hs/Rm. Hs/RmG/LG3. 5.29. DUNLOP TYRES. Dunlops have written to us re. the objections of an owner who is replacing his silent tread tyres with triple stud tyres. We think that you… | ||
| Scan155 | Supply of 8 new experimental tyres from Dunlop on a 50/50 basis. | ||
| View original record | To ROY/GEA. from Hs/Rm. X4050 Hs/Rm6/LG7.5.29. With reference to the attached letter from Messrs. Dunlop dated the 6th.inst. Please note that Messrs. Dunlop are supplying us with 8 of their new tyres… | ||
| Scan156 | Letter from Dunlop Rubber Co. regarding experimental rubber buffer blocks for a 20 HP engine. | ||
| View original record | X4050. DUNLOP RUBBER CO.,LTD. TELEGRAPHIC ADDRESS: 'DUNLOPS, PHONE, BIRMINGHAM.' TELEPHONE: BIRMINGHAM, CENTRAL 4108 P. B. E. 25 LINES EXTENSION No. 339. YOUR REF: OUR REF: FBJ/LEM/NGH.1. FORT DUNLOP… | ||
| Scan157 | Letter to Dunlop Rubber Co. concerning incorrect tyre sizes, requesting more information on new types, and expressing disappointment with the non-skid silent tread tyre. | ||
| View original record | X4050 Expl: Dept: Hs/Rm3/LG. 4th. July 1929. Messrs. The Dunlop Rubber Co., Fort Dunlop, Erdington, Birmingham. Dear Sirs, For the attention of Mr. Bond. A quantity of 7" section tyres for 21" rims… | ||
| Scan158 | Correspondence regarding the unsuitability of 7' tyres for 21' rims and the testing of new tyre options. | ||
| View original record | contd :- -2- it aims at. As we have not previously had a 7" tyre in the Works for 21" rims we can only tell you from those which have been received on production that they are out of the question for… | ||
| Scan159 | Letter from Dunlop Rubber Co., Ltd. proposing a meeting to clarify some matters. | ||
| View original record | DUNLOP RUBBER CO.,LTD. X 4050. TELEGRAPHIC ADDRESS: "DUNLOPS, PHONE, BIRMINGHAM." TELEPHONE: BIRMINGHAM CENTRAL 4108 (P.B.E) EXTENSION No. YOUR REF: OUR REF: WB.LW.4.67 FORT DUNLOP ERDINGTON… | ||
| Scan160 | Letter to Dunlop Rubber Co. Ltd. regarding a meeting to discuss tyres with Mr. Hives. | ||
| View original record | X4050. HS/RM3/MJ. July 8th.1929 Messrs. Dunlop Rubber Co.Ltd., Fort Dunlop, Erdington, BIRMINGHAM Dear Sirs, For the attention of Mr. Bond. With reference to your letter of the 6th. inst., I regret to… | ||
| Scan161 | Dunlop's proposal to discontinue normal tyres and focus on 'Fort' tyres. | ||
| View original record | X4050. To Hs. from ROY. ROY16/MG12.7.29 TYRES Can you now let us have a reply to our Memo ROY7/MG17.6.29 re Tyres? The Dunlop Company propose to drop the manufacture of normal Tyres in the sizes we… | ||
| Scan162 | Comparative tyre tests and the potential need to find an alternative supplier to Dunlop. | ||
| View original record | To Roy. from Hs. C. to By. X4050 Hs2/MJ.17.7.29. X.4050 X.1439 TYRES. Rn. is at present in France making comparative tests with various sized tyres. We have had a preliminary report, which indicates… | ||
| Scan163 | From ROY to Hs. seeking clarification on agreed changes to tyre equipment with the Dunlop Company. | ||
| View original record | X4050- To Hs. from ROY ROY15/MG26.8.29 TYRES The Dunlop Company advise us over the 'phone, through Colonel Matthew, that certain changes in our Tyre Equipment have been agreed, or tentatively agreed,… | ||
| Scan164 | Proposal from the Dunlop Company to substitute 'FORT' tyres for the ensuing season. | ||
| View original record | X4050 To Hs. from ROY ROY7/MG1 9.7.29 Dunlop Tyres for ensuing Season The Dunlop Company are not suggesting any change in the actual size of the Tyres, but substitution of "FORT" Tyres for the present… | ||
| Scan165 | Letter from Dunlop Rubber Co. regarding a delay in supplying Fort tyres for testing. | ||
| View original record | X4050 DUNLOP RUBBER CO.,LTD. TELEGRAPHIC ADDRESS. "DUNLOPS, PHONE, BIRMINGHAM". TELEPHONE: BIRMINGHAM CENTRAL 4108 (P.B.E) EXTENSION No. 467. YOUR REF: OUR REF: HP/NGG.4. Tech: Asst: Manufacturers… | ||
| Scan166 | Letter from Dunlop Rubber Co. Ltd. confirming tyre supply arrangements for the new season. | ||
| View original record | X4050. DUNLOP RUBBER CO.,LTD. TELEGRAPHIC ADDRESS: "DUNLOPS, PHONE, BIRMINGHAM". TELEPHONE: BIRMINGHAM CENTRAL 4108 (P.B.E) EXTENSION No. 469. YOUR REF: OUR REF: Manufacturers Div. Car.C.V.&… | ||
| Scan167 | Letter to Dunlop Rubber Co. Ltd. regarding tyre specifications and supply for 40/50 and 20 HP models. | ||
| View original record | X4050. Copy for ROY. filing Expl: Dept: HS/Rm.3/MJ. August 28th,1929. The Dunlop Rubber Co.Ltd., Fort Dunlop, Erdington, Birmingham. Dear Sirs, For the attention of Mr.Mathews. Referring to your… | ||
| Scan168 | The need to modify the spare wheel carrier when standardising 7' tyres on 40/50 HP cars. | ||
| View original record | X4050 Hs. BY8/N.5.9.29. Re: 7" Tyres on 40/50 h.p. Cars. If it is proposed to test, with a view to standardising the 7" tyres to replace the present 6½" tyres it will be necessary to modify the spare… | ||
| Scan169 | Comparison of dimensions and specifications for the 7.00-21' Dunlop Silent Tread 'Fort' Reinforced Tyre against the standard 33 x 6.75' tyre. | ||
| View original record | X4050. Hs/AJL.1/MJ.14.9.29. x4050. x7820. x990 7.00 - 21" DUNLOP SILENT TREAD 'FORT' REINFORCED TYRES. This size of tyre has been produced as an alternative to the 33 x 6.75" silent tread tyre at… | ||
| Scan170 | Numerous disadvantages of a new tyre size, focusing on negative steering effects and required modifications. | ||
| View original record | -2- under running conditions. Owing to the increase in width of the tread, the steering is very much heavier when shunting and is heavy and uncertain up to 35 m.p.h., especially noticeable in traffic.… | ||
| Scan171 | Letter to Dunlop Rubber Co. detailing the drawbacks and rejection of their 7' x 21' tyres after testing. | ||
| View original record | C. to By. film X4050 Expl. Dept. Hs/An. 2/WJ. September 16th.1929. The Dunlop Rubber Co., Fort Dunlop, Erdington, BIRMINGHAM. Dear Sirs, For the attention of Mr.Bond. We have now had an opportunity of… | ||
| Scan172 | Letter from Dunlop Rubber Co. discussing the suitability of 'Fort' Silent tyres for Rolls-Royce experiments. | ||
| View original record | Y4050. DUNLOP RUBBER CO.,LTD. TELEGRAPHIC ADDRESS: "DUNLOPS, PHONE, BIRMINGHAM" TELEPHONE: BIRMINGHAM CENTRAL, 4108 (P.B.E) EXTENSION No. ' YOUR REF: OUR REF: WB.LW.12.199 FORT DUNLOP ERDINGTON… | ||
| Scan173 | Letter from Dunlop Rubber Co. Ltd. inquiring about the progress of tests on 7.00 Dunlop Fort tyres. | ||
| View original record | XL4050. DUNLOP RUBBER CO.,LTD. TELEGRAPHIC ADDRESS: "DUNLOPS, PHONE, BIRMINGHAM" TELEPHONE: BIRMINGHAM CENTRAL 4108 (PBE) EXTENSION No. 467 YOUR REF. HP/MS.7 OUR REF. Tech:Asst: Manufacturers Div:… | ||
| Scan174 | Letter to Dunlop Rubber Co. Ltd. regarding the testing and rejection of their 7' tyres. | ||
| View original record | X4050 filem Expl. Dept. Hs/Rn.3/MJ. Sept. 23rd.1929. The Dunlop Rubber Co.Ltd., Fort Dunlop, Erdington, BIRMINGHAM. Dear Sirs, For the attention of Mr. Parsons. With reference to your letter of the… | ||
| Scan175 | Letter from Dunlop regarding experiments to modify 'Fort' tyre treads to improve steering performance. | ||
| View original record | X4050. DUNLOP RUBBER CO.,LTD. TELEGRAPHIC ADDRESS: "DUNLOPS, PHONE, BIRMINGHAM." TELEPHONE: BIRMINGHAM CENTRAL 4108 (P.B.E.) EXTENSION No. YOUR REF: OUR REF: WB.LW.S.279 FORT DUNLOP ERDINGTON… | ||
| Scan176 | Letter from Dunlop Rubber Co. Ltd. regarding sending altered tyres for testing to improve steering. | ||
| View original record | X. 4050. DUNLOP RUBBER CO.,LTD. TELEGRAPHIC ADDRESS: 'DUNLOPS, PHONE, BIRMINGHAM.' TELEPHONE: BIRMINGHAM CENTRAL 4108 (P.B.E.) EXTENSION No. YOUR REF: OUR REF: WB.LW.14.910 FORT DUNLOP ERDINGTON… | ||
| Scan177 | Letter to Dunlop Rubber Co. Ltd. regarding the testing of new tyre types. | ||
| View original record | A4050 HS/Rn9/AD. 23rd October, 1929. The Dunlop Rubber Co.Ltd., Fort Dunlop, Erdington, Birmingham. Dear Sirs, With reference to your letter of the 9th inst. the writer regrets it has not been… | ||
| Scan178 | Letter from Dunlop regarding proposed alterations to the tread of Silent tyres. | ||
| View original record | X4050 DUNLOP RUBBER CO.,LTD. TELEGRAPHIC ADDRESS: "DUNLOPS, PHONE, BIRMINGHAM." TELEPHONE: BIRMINGHAM CENTRAL, 4108 (P.B.E) EXTENSION No. YOUR REF. OUR REF WB/W.7.3010 FORT DUNLOP ERDINGTON BIRMINGHAM… | ||
| Scan179 | Fitment issues with a buttress tread tyre on a Phantom II spare wheel carrier. | ||
| View original record | X4050. COPY. By. From Da/Ev. c. to Hs. Da/Ev2/M30.10.29. PHANTOM II SPARE WHEEL CARRIERS. X.7600 X.4050 Thank you for By2/G24.10.29. We are surprised to find that the centre of the wheel carrier is 1"… | ||
| Scan180 | Experimental Dunlop tyres and potential difficulties with spare wheel carriers. | ||
| View original record | X 4050. By. from Hs/Rm. Hs/Rm5/ADL.11.29. DUNLOP TYRES. We are getting some experimental tyres which are greater than standard as shewn in the attached sketch. This increases the life of the tyre… | ||
| Scan181 | Sketch showing a modification to the profile of an existing 33 x 6.75 Dunlop Silent Tyre. | ||
| View original record | SKETCH NO. DS. 3523. 6.80" 4.64" EXISTING PROFILE SHOWN DOTTED. 34.94" dia. MODIFICATION TO EXISTING 33 x 6.75 DUNLOP SILENT TYRE. | ||
| Scan182 | Letter from Dunlop Rubber Co. regarding the supply and availability of 'Fort' Silent tyre covers for 21' and 19' rims. | ||
| View original record | X4050 DUNLOP RUBBER CO.,LTD. TELEGRAPHIC ADDRESS: "DUNLOPS, PHONE, BIRMINGHAM" TELEPHONE BIRMINGHAM CENTRAL 4108 (P.B.E) EXTENSION No. YOUR REF. OUR REF. WB/W.11.111 FORT DUNLOP ERDINGTON BIRMINGHAM… | ||
| Scan183 | Letter to the Dunlop Rubber Co. Ltd. discussing a proposed tyre modification and concerns over poor non-skid qualities. | ||
| View original record | X 4050. Hs/Rm4/AD. 8th November, 1929. The Dunlop Rubber Co.Ltd. Fort Dunlop, Erdington, Birmingham. For the attention of Mr.Bond. Dear Sirs, With reference to yours of the 1st inst. and the 30th ult.… | ||
| Scan184 | Letter to a tyre supplier regarding the availability of specific buttress tread tyres and feedback on new tyre designs. | ||
| View original record | The Dunlop Rubber Co.Ltd. Fort Dunlop, Erdington, Birmingham. 8th November, 1929. -2- Another point which has been worrying us recently, is that there does not appear to be a buttress tread tyre in… | ||
| Scan185 | Outlining the procedure for requisitioning tyres for experimental cars. | ||
| View original record | AJL Rm Y4080. Hs from G. C. to Roy/Ms. G1/35/MM/9/11/29. Tyres for Experimental Cars. In order that we may carry out our contract terms with the Dunlop Rubber Co.Ltd., will you kindly arrange to… | ||
| Scan186 | Letter from Dunlop Rubber Co. arranging a meeting to discuss Silent type tyres. | ||
| View original record | X4050. DUNLOP RUBBER CO.,LTD. TELEGRAPHIC ADDRESS: "DUNLOPS, PHONE, BIRMINGHAM" TELEPHONE: BIRMINGHAM CENTRAL, 4108 (P.B.E.) EXTENSION No. YOUR REF: OUR REF: WB/W.1.1111 FORT DUNLOP ERDINGTON… | ||
| Scan187 | Letter to The Dunlop Rubber Co., Ltd. arranging a visit to the Dunlop Works. | ||
| View original record | X 4050 Hs/Bn2/MC. 12th November 1929 The Dunlop Rubber Co., Ltd., Birmingham. For the attention of Mr Bond. Dear Sir, With reference to your letter of the 11th inst:, the writer hopes to get over to… | ||
| Scan188 | Visit to Dunlop Rubber Co. concerning tyre design, safety, and road adhesion for the Silent Tread tyre. | ||
| View original record | X 4050 To R. from Hs/Ra. c. Sg. c. EOr. E. c. Da. Ey. Hs/Bal/AM6.11.29. VISIT TO THE DUNLOP RUBBER CO. We paid a visit to the Dunlop Rubber Co. to discuss the question of tyres. We have been somewhat… | ||
| Scan189 | Tyre performance, skidding issues, and development with Dunlop, including experiments with abrasive compounds. | ||
| View original record | Hs/anl/AM16.11.29 contd. -2- In this respect the latest 20 HP. 6" tyre for the 19" rim is worse off than the 6.75" tyre for the 21" rim that we originally standardized on the 40/50 HP. as the original… | ||
| Scan190 | The availability of Dunlop tyres for 40/50 and 20 HP standard sizes. | ||
| View original record | Ha/Bml/A316.11.29 contd. -3- tyres are available in the current Dunlop list in both our 40/50 and 20 HP. standard sizes. Hs/Bn. | ||
| Scan191 | Letter from Dunlop Rubber Co. Ltd. regarding a production difficulty with the out-of-balance limit for tyres. | ||
| View original record | X4050 DUNLOP RUBBER CO.,LTD. TELEGRAPHIC ADDRESS: 'DUNLOPS, PHONE, BIRMINGHAM' TELEPHONE: BIRMINGHAM CENTRAL 4108 (P.B.E.) EXTENSION No. YOUR REF: OUR REF: WB/W.7.1112 FORT DUNLOP ERDINGTON BIRMINGHAM… | ||
| Scan192 | Letter to The Dunlop Rubber Co. Ltd. seeking clarification on tyre specifications and an update on an improved tread pattern. | ||
| View original record | +4050. Expl. Dept. HS/Rm. 2/MJ. Dec.12th.1929. The Dunlop Rubber Co. Ltd., Fort Dunlop, Erdington, BIRMINGHAM. Dear Sirs, For the attention of MR. Bond. With reference to your letter of the 11th.inst.… | ||
| Scan193 | Letter to Dunlop requesting tyre performance data for various tyre sizes and loads. | ||
| View original record | X4050. Expl. Dept. Hs/Rn.1/MJ. Dec.13th.1929. The Dunlop Rubber Co.Ltd., Fort Dunlop, Erdington, BIRMINGHAM. Dear Sirs, For the attention of MR. Bond. We are getting some car performance figures, and… | ||
| Scan194 | From the Paris Stores Department regarding the status of 32 x 6.75 Dunlop Tyres. | ||
| View original record | X4050. EWP/2/MTG 16.12.29 To "D" Derby (For attention of Hs) From Paris Stores Dept. Re : 32 X 6.75 Dunlop Tyres Last December we received direct from Messrs DUNLOP, Birmingham, 18 Well-base tyres,… | ||
| Scan195 | Letter from Dunlop Rubber Co. Ltd. correcting a previous error in tyre dimensions and discussing further testing. | ||
| View original record | X4050. DUNLOP RUBBER CO.,LTD. TELEGRAPHIC ADDRESS: 'DUNLOPS, PHONE, BIRMINGHAM.' TELEPHONE: BIRMINGHAM CENTRAL 4108 (PBE) EXTENSION No. YOUR REF: OUR REF: WB/W.4.1612 FORT DUNLOP ERDINGTON BIRMINGHAM… | ||
| Scan196 | Letter from Dunlop Rubber Co. Ltd. acknowledging a query regarding the power absorption of tyres. | ||
| View original record | X4050 DUNLOP RUBBER CO.,LTD. TELEGRAPHIC ADDRESS: 'DUNLOPS', PHONE, BIRMINGHAM. TELEPHONE: BIRMINGHAM CENTRAL 4108 (PBE) EXTENSION No YOUR REF: OUR REF: AGP/HR.6.1712. FORT DUNLOP ERDINGTON BIRMINGHAM… | ||
| Scan197 | Request to the Paris office to hold 32 x 6.75 Dunlop tyres for an upcoming 10,000 miles test. | ||
| View original record | X4050 To Ps. Paris. (For the attention of EWP.) Hs/Rn.1/M.18.12.29. Re. 32 x 6.75 Dunlop Tyres. We think it highly probable that we shall require these tyres for our next 10,000 miles test and would… | ||
| Scan198 | Dunlop's production difficulties with out-of-balance limits for 20 HP tyres and proposing solutions. | ||
| View original record | To By. From Hs/Rn. X 4050 Hs/Rn.1/MJ.19.12.29. 20 HP. TYRES. X. 4050 X. 5820 Messrs. Dunlop are in trouble because they find the limit of out of balance which we specified on the 6" tyre for 19" rim… | ||
| Scan199 | Letter to Dunlop Rubber Co. regarding out-of-balance limits for 6' tyres on 20' rims. | ||
| View original record | X4050. Expl. Dept. Hs/Rm3/MJ. Dec. 20th. 1929. The Dunlop Rubber Co., Fort Dunlop, Erdington, BIRMINGHAM. Dear Sirs, OUT OF BALANCE OF 6" TYRES FOR 20" RIMS. We have tested the three tyres you have… | ||
| Scan200 | Outlining the objections and disadvantages of fitting larger 'India' brand tyres. | ||
| View original record | M/S. To C. From Hs/Bn. c. to CX. Ds. c. to HY. Wor. X4050 Hs/Bn.3/MJ.1.1.30. LARGE SECTION TYRES INDIA & OTHERS. ---------------- We understand from Mr. Bailey that Sales are pressing for all cars to… | ||
| Scan201 | Objections to fitting larger section tyres and a new standardisation for 20-inch rims. | ||
| View original record | -2- (7) They make the rear seat width 1" less at the top of the wheel arch and 2" at the bottom. In view of these objections, we think that customers should be discouraged from fitting tyres of larger… | ||
| Scan202 | Letter to Dunlop Rubber Co. Ltd. regarding a change to 20' rims and requesting tyre moulds with an improved silent tread for the 40/50 car. | ||
| View original record | X4050. Expl. Dept. HS/Rn.1/MJ. Jan.1st.1930. The Dunlop Rubber Co.Ltd., Port Dunlop, Erdington, BIRMINGHAM. Dear Sirs, For the attention of Mr. Bond. We are contemplating changing to the 20" rim on… | ||
| Scan203 | Letter from Dunlop regarding the provision of 7.00 tyres with Silent tread for 20 inch rims and a demonstration of anti-skid tests. | ||
| View original record | X4080. DUNLOP RUBBER CO.,LTD. TELEGRAPHIC ADDRESS "DUNLOPS, PHONE, BIRMINGHAM." TELEPHONE BIRMINGHAM CENTRAL, 4108 (P.B.E.) EXTENSION No. YOUR REF. OUR REF WB/W.5.21 FORT DUNLOP ERDINGTON BIRMINGHAM… | ||
| Scan204 | Letter to The Dunlop Rubber Co. Ltd. arranging a visit to see tests mentioned in their letter. | ||
| View original record | X4050. Expl. Dept. Hs/Rn.2/MJ. Jan.6th.1930. The Dunlop Rubber Co.Ltd., Fort Dunlop, Erdington, BIRMINGHAM. Dear Sirs, For the attention of Mr. Bond. With reference to your letter of the 2nd.inst. We… | ||
| Scan205 | Letter from Dunlop Rubber Co., Ltd. regarding the scheduling of a visit. | ||
| View original record | x4050. DUNLOP RUBBER CO.,LTD. TELEGRAPHIC ADDRESS 'DUNLOPS, PHONE, BIRMINGHAM' TELEPHONE BIRMINGHAM CENTRAL 4108 (P.B.E.) EXTENSION No. YOUR REF. OUR REF. WB/W.2.81 FORT DUNLOP ERDINGTON BIRMINGHAM… | ||
| Scan206 | Letter from Dunlop Rubber Co. Ltd. regarding a delay in providing requested information due to extensive testing. | ||
| View original record | K4050. DUNLOP RUBBER CO.,LTD. TELEGRAPHIC ADDRESS. "DUNLOPS, PHONE, BIRMINGHAM" TELEPHONE BIRMINGHAM CENTRAL 4108 (P.B.E.) EXTENSION No. YOUR REF Hs/Rm.1/MJ. OUR REF AGP/HR.4.81. FORT DUNLOP ERDINGTON… | ||
| Scan207 | Letter to The Dunlop Rubber Co. Ltd. confirming a visit for the attention of Mr. Bond. | ||
| View original record | X4080. Expl. Dept. Hs/An.l/MJ. Jan.10th,1930. The Dunlop Rubber Co.Ltd., Fort Dunlop, Erdington, BIRMINGHAM. Dear Sirs, For the attention of Mr. Bond. With reference to your letter of the 8th.inst.… | ||
| Scan208 | Letter to Dunlop Rubber Co. Ltd. inquiring about power loss in tyres as a function of transmitted power. | ||
| View original record | XC4050, Expl. Dept. Hs/An.1/WJ. Jan. 17th, 1930. The Dunlop Rubber Co.Ltd., Fort Dunlop, Erdington, BIRMINGHAM. Dear Sirs, For the attention of MR. Bond. A point has come up in connection with power… | ||
| Scan209 | Letter to Dunlop about a complaint of skidding with the Silent Tread tyre on bitumen surfaces. | ||
| View original record | X405G. Expl. Dept. Hs/Rn.2/MJ. Jan 17th.1930. The Dunlop Rubber Co. Ltd., Fort Dunlop, Erdington, BIRMINGHAM. Dear Sirs, For the attention of Mr. Paul. We have just received a complaint from France… | ||
| Scan210 | Visit to Dunlop to review progress on the anti-skid properties of the Silent Tread tyre. | ||
| View original record | To R. From Hs/Rn. c. to EG. Wor. c. to Ba. E. c. to Hy. [handwritten]X40[/handwritten] Hs/Rn.5/W.17.1.30. We have paid a further visit to Messrs. Dunlops' to see what progress they have made with the… | ||
| Scan211 | Report comparing the skidding performance of various tyre treads, including the Silent Tread, Palmer Cord, and Triple Stud. | ||
| View original record | -2- The Silent Tread is by no means the worst tyre on the road for skidding and we actually carried out tests on Palmer Cord tyres which were 15% worse than the Silent Tread. When clay is spread over… | ||
| Scan212 | To the stores department requesting the despatch of a brake drum wing to Dunlop Rubber Co. Ltd. on loan for testing. | ||
| View original record | X4050. To Stores. From Hs/Rn. c. to C.O. S.O. Hs/Rn. 6/WJ.17.1.30. Will you please despatch to The Dunlop Rubber Co. Ltd., one brake drum wing with contacts. We are loaning these to them for test… | ||
| Scan213 | Letter from Dunlop Rubber Co. Ltd. acknowledging receipt of a brake drum ring for skidding experiments. | ||
| View original record | X4050. DUNLOP RUBBER CO.,LTD. TELEGRAPHIC ADDRESS: "DUNLOPS, PHONE, BIRMINGHAM." TELEPHONE: BIRMINGHAM CENTRAL 4108 (P.B.E) EXTENSION No. YOUR REF: OUR REF: Technical Director's Office. FORT DUNLOP… | ||
| Scan214 | Letter from Dunlop Rubber Co. acknowledging a request for further information. | ||
| View original record | XU050 DUNLOP RUBBER CO.,LTD. TELEGRAPHIC ADDRESS: "DUNLOPS, PHONE, BIRMINGHAM". TELEPHONE: BIRMINGHAM CENTRAL 4108 (P.B.E.) EXTENSION No. FORT DUNLOP ERDINGTON BIRMINGHAM YOUR REF: Hs/Rm.1/MJ. OUR… | ||
| Scan215 | Letter to the Dunlop Rubber Co. Ltd. regarding the specifications for rubber bush F.55858. | ||
| View original record | XU650. Expl. Dept. Hs/Rn.3/MJ. Feb.5th.1930. The Dunlop Rubber Co.Ltd., Fort Dunlop, Erdington, BIRMINGHAM. Dear Sirs, For the attention of Mr. Jones, Research Dept. With reference to your enquiry of… | ||
| Scan216 | 20HP rubber engine mounting block sample to Messrs. Dunlop & Co. Ltd. | ||
| View original record | Stores. From Hs/Rm. c. to O.O. S.O. 84050. Hs/Rn.4/MJ.7.2.30. We are sending into the Stores for despatch to Messrs. Dunlop & Co. Ltd., - 1 20HP. Rubber Engine Mounting Block. - as sample. Hs/Rn. | ||
| Scan217 | Letter to Dunlop Rubber Co. Ltd. regarding the design and supply of 20 HP rubber engine mounting blocks. | ||
| View original record | X4050. Expl. Dept. Hs/Ru.2/MJ. Feb. 7th,1930. The Dunlop Rubber Co.Ltd., Fort Dunlop, Erdington, BIRMINGHAM. Dear Sirs, For the attention of Mr. Jones. 20 HP. RUBBER ENGINE MOUNTING BLOCKS. With… | ||
| Scan218 | Letter discussing the working length of blocks and the choice between three types of material mixes. | ||
| View original record | -2- The set up working length of all these blocks will be 1.00" and we should like to know, when you have decided what mixes you are going to use, which of the three types will be least likely to take… | ||
| Scan219 | Letter from Dunlop Rubber Co. Ltd. regarding a trial order and testing of rubber bushes. | ||
| View original record | x4050. DUNLOP RUBBER CO.,LTD. TELEGRAPHIC ADDRESS: DUNLOPS, PHONE, BIRMINGHAM TELEPHONE: BIRMINGHAM CENTRAL 4108 P. B. E. 25 LINES EXTENSION No. 339. YOUR REF: OUR REF: LEM/NGH.1. FORT DUNLOP… | ||
| Scan220 | Letter to Dunlop Rubber Co. Ltd. regarding a permanent set issue with ordered rubber blocks and proposing revised dimensions. | ||
| View original record | X4050. Expl. Dept. Hs/Rn.1/MJ. Feb.13th.1930 The Dunlop Rubber Co. Ltd., For Dunlop, Erdington, BIRMINGHAM. Dear Sirs, For the attention of Mr. Jones. Further to our letter of the 7th. inst. Some… | ||
| Scan221 | Sending two Rubber Engine Mounting Blocks to Messrs. Dunlop & Co. Ltd. for inspection. | ||
| View original record | Stores. From Hs/Rm. c. to O.O. S.O. X 6050. Hs/Rm.2/WJ.13.2.30. We are sending into the Stores for despatch to Messrs. Dunlop & Co. Ltd., two Rubber Engine Mounting Blocks. These are for their… | ||
| Scan222 | Letter from Dunlop Rubber Co. Ltd. regarding the power consumption of 'Fort' Silent tyres. | ||
| View original record | DUNLOP RUBBER CO.,LTD. TELEGRAPHIC ADDRESS: DUNLOPS, PHONE, BIRMINGHAM. TELEPHONE: BIRMINGHAM CENTRAL 4108 (P.B.E) EXTENSION No. YOUR REF. OUR REF AGP/HR.4.132. FORT DUNLOP ERDINGTON BIRMINGHAM… | ||
| Scan223 | Power consumption curves for a 'Fort' Dunlop Silent Cover tyre at various speeds and pressures. | ||
| View original record | POWER CONSUMPTION CURVES FOR "FORT" DUNLOP SILENT COVER 7.00 - 21 Top Left Graph: 500 R.P.M. POWER CONSUMPTION H.P. Line Labels: 30 lbs/sq", 35, 40 Top Right Graph: 600 R.P.M. POWER CONSUMPTION H.P.… | ||
| Scan224 | Letter from Dunlop Rubber Co. Ltd. concerning the out of balance of 6 inch tyres for 19 inch rims. | ||
| View original record | X4050 DUNLOP RUBBER CO.,LTD. TELEGRAPHIC ADDRESS: DUNLOPS, PHONE, BIRMINGHAM. TELEPHONE: BIRMINGHAM CENTRAL 4108 (P.B.E) EXTENSION No. YOUR REF: OUR REF: AGP/HR.5.132. FORT DUNLOP ERDINGTON BIRMINGHAM… | ||
| Scan225 | Letter from Dunlop Rubber Co. regarding the production of rubber engine mounting blocks. | ||
| View original record | 44059. DUNLOP RUBBER CO.,LTD. TELEGRAPHIC ADDRESS: 'DUNLOPS, PHONE, BIRMINGHAM' TELEPHONE: BIRMINGHAM CENTRAL 4108 R.B.E. 25 LINES EXTENSION No. 339. YOUR REF Hs/Rm2/MJ. OUR REF LEM/NGH.5. FORT DUNLOP… | ||
| Scan226 | Letter to The Dunlop Rubber Co. Ltd. seeking clarification on tyre specifications for power consumption tests. | ||
| View original record | X 4050. Expl. Dept. Hs/Rml/MJ. Feb.14th,1930. The Dunlop Rubber Co.Ltd., Fort Dunlop, Erdington, BIRMINGHAM. Dear Sirs, For the attention of Mr. Bond. We thank you for your letter of the 13th.inst.,… | ||
| Scan227 | Out of balance specification for 6' tyres on 19' rims for the 20 HP chassis. | ||
| View original record | BY. From Hs/Rn. X+ 050 Hs/Rn. 2/MJ.14.2.30. OUT OF BALANCE OF 6" TYRES FOR 19" RIMS. 20 HP. CHASSIS. With reference to your By.23/N19.12.29. Please note that the Dunlop Rubber Co., are proposing to… | ||
| Scan228 | Letter to Dunlop Rubber Co. Ltd. authorising the supply of tyres with a specific out-of-balance measurement. | ||
| View original record | X4050. Expl. Dept. Hs/Rn.3/AJ. Feb.14th.1930. The Dunlop Rubber Co. Ltd., Fort Dunlop, Erdington, BIRMINGHAM. Dear Sirs, For the attention of Mr. Bond. With reference to your letter of the 13th.inst.,… | ||
| Scan229 | The discontinuation of 6¾' section tyres and their replacement with 7' section tyres for 20' rims. | ||
| View original record | SG. From HS. c. to PN. & Aust. X4050. HS.1/MJ.14.2.30. 20" RIMS. 7" TYRES. x)810 x)820 x4050 The tyre makers have decided to discontinue the manufacture of the 6¾" section tyre and to replace it with… | ||
| Scan230 | Letter from Dunlop Rubber Co. Ltd. discussing changes to the specifications and manufacture of rubber blocks. | ||
| View original record | X4050 DUNLOP RUBBER CO.,LTD. TELEGRAPHIC ADDRESS: 'DUNLOPS PHONE BIRMINGHAM' TELEPHONE: BIRMINGHAM CENTRAL 4108 P.B.E. 25 LINES EXTENSION No. 339. YOUR REF: OUR REF: LEM/NGH.2. FORT DUNLOP ERDINGTON… | ||
| Scan231 | Letter from Dunlop Rubber Co. Ltd. discussing the dispatch and examination of sample blocks. | ||
| View original record | -2- The samples which you mention have not yet arrived, but when they are to hand examination will doubtless give us some useful ideas as to the severity of the service under which these blocks… | ||
| Scan232 | Letter to The Dunlop Rubber Co. Ltd. with instructions on modifying rubber engine mounting blocks for experimental testing. | ||
| View original record | X4050 Exptl. Dept. Hs/Rn. 2/MJ. Feb.15th.1930. The Dunlop Rubber Co.Ltd., Fort Dunlop, ERDINGTON, BIRMINGHAM. Dear Sirs, RUBBER ENGINE MOUNTING BLOCKS. With reference to your letters of the 13th., and… | ||
| Scan233 | Letter from Dunlop Rubber Co. regarding the requirements and delivery of 20 HP rubber engine mounting blocks. | ||
| View original record | DUNLOP RUBBER CO.,LTD. TELEGRAPHIC ADDRESS: 'DUNLOPS,PHONE,BIRMINGHAM' TELEPHONE: BIRMINGHAM CENTRAL 4108 P.B.E. 25 LINES EXTENSION No. 339. YOUR REF: OUR REF: LEM/NGH.12. FORT DUNLOP ERDINGTON… | ||
| Scan234 | Letter from Dunlop Rubber Co., Ltd. concerning tyre balance specifications for different sizes. | ||
| View original record | K4050 DUNLOP RUBBER CO.,LTD. TELEGRAPHIC ADDRESS: DUNLOPS, PHONE, BIRMINGHAM. TELEPHONE: BIRMINGHAM CENTRAL 4108 (P.B.E) EXTENSION No YOUR REF: Ha/Rm.3/MJ. OUR REF: AGP/HR.1.192. FORT DUNLOP ERDINGTON… | ||
| Scan235 | Letter to The Dunlop Rubber Co. Ltd. requesting an improved Silent Tread tyre pattern for experimental use. | ||
| View original record | X4050. Expl. Dept. Hs/Rn.3/MJ. Feb.22nd.1930. The Dunlop Rubber Co.Ltd., Fort Dunlop, Erdington, BIRMINGHAM. Dear Sirs, For the attention of Mr. Bond. Further to our letter of January 1st. Can you… | ||
| Scan236 | Letter to The Dunlop Rubber Co. Ltd. concerning the inability to fit balance weights to 21' wheels. | ||
| View original record | X4050. Expl. Dept. Hs/Ba.4/MJ. Feb.24th.1930. The Dunlop Rubber Co.Ltd., Fort Dunlop, Erdington, BIRMINGHAM. Dear Sirs, For the attention of Mr. Bond. With reference to your letter of the 19th.inst.… | ||
| Scan237 | Letter to The Dunlop Rubber Co. Ltd. requesting samples of a rubber block with specific deflection properties. | ||
| View original record | X4050 15005 Expl. Dept. Hs/Rm.5/MJ. Feb.24th.1930. The Dunlop Rubber Co. Ltd., Fort Dunlop, Erdington, BIRMINGHAM. Dear Sirs, Research Dept. For the attention of Mr.Masheter. Further to our letter of… | ||
| Scan238 | Letter from Dunlop Rubber Co. regarding Fort Dunlop and Standard Dunlop Silent covers. | ||
| View original record | Y4050 DUNLOP RUBBER CO.,LTD. TELEGRAPHIC ADDRESS: 'DUNLOPS, PHONE, BIRMINGHAM.' TELEPHONE BIRMINGHAM CENTRAL 4108 (P.B.E.) EXTENSION No. YOUR REF: Hs/Rm1/MJ. OUR REF: WB.AGP.R.13.242. FORT DUNLOP… | ||
| Scan239 | Letter from Dunlop Rubber Co. regarding the production of sample mounting blocks with specific deflection and load characteristics. | ||
| View original record | x4050. DUNLOP RUBBER CO.,LTD. TELEGRAPHIC ADDRESS: DUNLOPS, PHONE, BIRMINGHAM. TELEPHONE: BIRMINGHAM CENTRAL 4108 P.B.E. 25 LINES EXTENSION No. 339 YOUR REF: OUR REF: LEM/NGH.7. FORT DUNLOP ERDINGTON… | ||
| Scan240 | Letter from Dunlop Rubber regarding the supply of engine mounting blocks, detailing specifications and a production delay. | ||
| View original record | p 4050 DUNLOP RUBBER CO.,LTD. TELEGRAPHIC ADDRESS: "DUNLOPS, PHONE, BIRMINGHAM" TELEPHONE: BIRMINGHAM CENTRAL 4108 R.B.E. 25 LINES EXTENSION No. 339 YOUR REF: OUR REF: LEM/NGH.1. FORT DUNLOP ERDINGTON… | ||
| Scan241 | Letter from Dunlop Rubber Co., Ltd. regarding the dispatch of two dozen harder and softer rubber blocks for testing. | ||
| View original record | 14050 DUNLOP RUBBER CO.,LTD. TELEGRAPHIC ADDRESS: 'DUNLOPS, PHONE, BIRMINGHAM' TELEPHONE: BIRMINGHAM, CENTRAL 4108 P.B.E. 25 LINES EXTENSION No. 339. YOUR REF: OUR REF: LEM/NGH.1. FORT DUNLOP… | ||
| Scan242 | Letter to Dunlop Rubber Co. Ltd. concerning the testing of rubber blocks for an engine foot. | ||
| View original record | x4050. x5005 Expl. Dept. Hs/Rn.3/MJ. March 8th.1930. The Dunlop Rubber Co.Ltd., Fort Dunlop, Erdington, BIRMINGHAM. Dear Sirs, For the attention of L.E. Masheter, Esq.. We thank you for your letter of… | ||
| Scan243 | Letter from Dunlop Rubber Co. Ltd. concerning the development and delivery of experimental tyres. | ||
| View original record | y 4050 DUNLOP RUBBER CO.,LTD. TELEGRAPHIC ADDRESS: 'DUNLOPS, PHONE, BIRMINGHAM.' TELEPHONE: BIRMINGHAM CENTRAL, 4108 P.B.E.) EXTENSION No YOUR REF. OUR REF. WB/W.9.83 FORT DUNLOP ERDINGTON BIRMINGHAM… | ||
| Scan244 | The urgent approval of rubber samples from Dunlop for semi-isolation between the dash and scuttle. | ||
| View original record | HS. Y4050. BY/EM3/J.10.2.30. Semi Isolation between dash and Scuttle. x4613 x4050 Early in February you requested us to obtain the rubbers bushes etc. for the above in the same mixing of rubber as… | ||
| Scan245 | Comparing drawing dimensions to actual dimensions for rubber bushes used in semi-isolation between the dash and scuttle. | ||
| View original record | To BY. From Hs/AJL. X4050 Hs/AJL.1/MJ.11.3.30. SEMI ISOLATION BETWEEN DASH AND SCUTTLE. With reference to BY/EMS/JLO.3.30., we find that the rubber bushes etc., supplied by the Dunlop Co., in the same… | ||
| Scan246 | Letter from Dunlop Rubber Co. Ltd. regarding tyre power consumption test results. | ||
| View original record | x 4050 . DUNLOP RUBBER CO.,LTD. TELEGRAPHIC ADDRESS: "DUNLOPS," PHONE, BIRMINGHAM. TELEPHONE: BIRMINGHAM CENTRAL 4108 (P.B.E) EXTENSION No YOUR REF: OUR REF: WB.AGP.R.8.113. FORT DUNLOP ERDINGTON… | ||
| Scan247 | Series of four graphs showing the power consumption of a 7.00-21 Dunlop Standard 'Silent' Tyre under varying loads, pressures, and speeds. | ||
| View original record | POWER CONSUMPTION OF DUNLOP STANDARD "SILENT" TYRE 7.00-21 500 R.P.M. 600 R.P.M. 700 R.P.M. 800 R.P.M. POWER CONSUMPTION - H.P. LOAD - LBS. 30 lbs/sq" 35 40 LOAD PER TYRE. LBS. A. G. THORNTON LTD… | ||
| Scan248 | Four graphs showing the power consumption of a 'Fort' Dunlop Silent Tyre (6.00-19) under various loads, speeds and pressures. | ||
| View original record | POWER CONSUMPTION of 'FORT' DUNLOP SILENT TYRE 6.00-19" Top Left Graph: Title: 500 R.P.M. Y-axis: POWER CONSUMPTION. H.P. X-axis: LOAD - LBS. Line Labels: 30 lbs/□", 35, 40 Top Right Graph: Title: 600… | ||
| Scan249 | Letter from Dunlop Rubber Co. Ltd. regarding advice on 21' wheels to allow more latitude for out-of-balance tyres. | ||
| View original record | Y4050. DUNLOP RUBBER CO., LTD. TELEGRAPHIC ADDRESS: 'DUNLOPS, PHONE, BIRMINGHAM' TELEPHONE: BIRMINGHAM CENTRAL 4108 (P.B.E) EXTENSION No. YOUR REF: OUR REF WB.AGP.R.14.243. FORT DUNLOP ERDINGTON… | ||
| Scan250 | The non-skidding properties and performance of silent tread tyres compared to other types on English roads. | ||
| View original record | W/S. To Cr. From Hs/Rn. c. to H. Hs/Rn.4/MJ.26.3.30. Handwritten: 14050. 14678 Y4050 SILENT TREAD TYRES. We thank you for your letter of the 24th.inst., on this subject. We have been going into the… | ||
| Scan251 | Evolving an intermediate tyre to balance silence and safety. | ||
| View original record | -2- are considered, the difference between tread patterns becomes greater. We are, however, evolving an intermediate tyre between silent tread and triple stud to get a better balance between silence… | ||
| Scan252 | Follow-up letter to Dunlop Rubber Co. Ltd. regarding the delivery of improved Silent Tread tyres. | ||
| View original record | X4070. Expl. Dept. Hs/Rn.6/MJ. April 8th.1930. The Dunlop Rubber Co.Ltd., Fort Dunlop, Erdington, BIRMINGHAM. Dear Sirs, For the attention of Mr. Paul. NEW TYPE SILENT TREAD TYRES. Further to your… | ||
| Scan253 | Letter from Dunlop Rubber Co. Ltd. regarding Silent Tread Tyres and delaying a visit. | ||
| View original record | x4050. DUNLOP RUBBER CO.,LTD. TELEGRAPHIC ADDRESS: DUNLOPS, PHONE, BIRMINGHAM TELEPHONE: BIRMINGHAM CENTRAL 4108 (P.B.E.) EXTENSION No. YOUR REF. OUR REF WB/W.8.104 FORT DUNLOP ERDINGTON BIRMINGHAM… | ||
| Scan254 | Letter from Dunlop Rubber Co. Ltd. regarding a delay in sending altered Silent tyres. | ||
| View original record | X4050. DUNLOP RUBBER CO.,LTD. TELEGRAPHIC ADDRESS: DUNLOPS, PHONE, BIRMINGHAM TELEPHONE: BIRMINGHAM CENTRAL 4108 (P.B.E.) EXTENSION No. YOUR REF. OUR REF. WB/W.5.165 FORT DUNLOP ERDINGTON BIRMINGHAM… | ||
| Scan255 | Letter to Dunlop Rubber Co. Ltd. regarding a discrepancy in a submitted tyre modification. | ||
| View original record | X 4050. Expl. Dept. Hs/Rm.2/MJ.24.5.30. May 24th.1930. The Dunlop Rubber Co. Ltd., Fort Dunlop, Erdington, BIRMINGHAM. Dear Sirs, For the attention of Mr. Paul. We have received the modified silent… | ||
| Scan256 | Letter from Dunlop regarding a misunderstanding and feedback request on a modified silent tread tyre. | ||
| View original record | x4050. DUNLOP RUBBER CO.,LTD. TELEGRAPHIC ADDRESS: "DUNLOPS, PHONE, BIRMINGHAM", TELEPHONE: BIRMINGHAM CENTRAL 4108 (P.B.E) EXTENSION No. YOUR REF: OUR REF: Technical Director. FORT DUNLOP ERDINGTON… | ||
| Scan257 | Skidding experiments and performance tests of modified silent tread tyres. | ||
| View original record | To R. From He/Rn. c. to Sg. C. c. to PN. HY. c. to L. Ds. Y4050 He/Rn.1/MJ.3.8.30. Y4050 Y7828 Y7960 SILENT TREAD TYRES. ==================== We are sending to London today, a pair of modified silent… | ||
| Scan258 | Modifications to silent tread tyres by cutting grooves, and considering standardising this new tread. | ||
| View original record | -2- He/Bn.1/A.L.S.6.38.Contd. be preferred every time. The only modification which has been made to the improved silent tread tyres we are sending to London is a series of grooves which have been cut… | ||
| Scan259 | Letter to Dunlop Rubber Co. about the performance and balance of modified Silent Tread Tyres. | ||
| View original record | VJO50. Expl. Dept. Hs/Rn.1/MJ. June 4th.1930. The Dunlop Rubber Co. Ltd., Fort Dunlop, Erdington, BIRMINGHAM. Dear Sirs, For the attention of MR. Paul. SILENT TREAD TYRES. With reference to the… | ||
| Scan260 | Letter to Dunlop Rubber Co. Ltd. requesting the return of a sample American wheel in Staybrite. | ||
| View original record | c. Hs. X4050. 5th. June 1930. BT3/G. Messrs. Dunlop Rubber Co. Ltd., Fort Dunlop, Erdington, Birmingham. FOR THE ATTENTION OF COL. MATTHEW. Dear Sirs, SAMPLE AMERICAN WHEEL IN STAYBRITE. We are… | ||
| Scan261 | Balance weights and procedures for 7' tyres on 20' rims for the 40/50 model. | ||
| View original record | BY. From Hs/Rm. X4050. Hs/Rm.4/MJ.5.6.30. 17820 X4050 X401. 7" TYRES FOR 20" RIMS. 40/50. The new balance weights on the 20" rim give a mass equivalent of 14 1/4 ozs. at the rim radius 8". We… | ||
| Scan262 | Requesting four silent tread tyres for testing, as two are insufficient to form an adequate opinion. | ||
| View original record | S/W. Hs...from PN. X4050 PN.10/WT6.6.30. x4050 x7820. x7960 Silent Tread Tyres. In reply to your Hs/Rm1/MJ.3.6.30. how are we going to form an adequate opinion as to these tyres with only two ? Can… | ||
| Scan263 | Letter from Dunlop Rubber Co., Ltd. acknowledging receipt of a previous communication. | ||
| View original record | Y4050. DUNLOP RUBBER CO.,LTD. TELEGRAPHIC ADDRESS: "DUNLOPS, PHONE, BIRMINGHAM". TELEPHONE: BIRMINGHAM CENTRAL 4108 (P.B.E.) EXTENSION No. 487. YOUR REF: OUR REF: S.W.44 [STAMP] Vehicle Equipment… | ||
| Scan264 | Letter from Dunlop Rubber Co. regarding modified 'Silent' tyres and out-of-balance specifications. | ||
| View original record | Y4050. DUNLOP RUBBER CO.,LTD. TELEGRAPHIC ADDRESS: 'DUNLOPS, PHONE, BIRMINGHAM' TELEPHONE: BIRMINGHAM CENTRAL 4108 (P.B.E) EXTENSION No. YOUR REF: OUR REF WB/W.9.66 FORT DUNLOP ERDINGTON BIRMINGHAM… | ||
| Scan265 | Temperature and fuel system tests conducted at the Brooklands track. | ||
| View original record | COPY. X4050 To Hs/Rn. From F. Dodd. Hs/FD.1/AJ.11.6.30. X.738. X.766. X.7080. X.4050. X.3895. BROOKLANDS 4.6.30. Temperature tests of top and bottom water temperature, oil temperature, scuttle… | ||
| Scan266 | Acceleration test results comparing a standard carburetter with an air silencer carburetter. | ||
| View original record | Hs/FDL/411.6.30 contd. -2- during these tests, temporarily, but came free after cooling down. Acceleration tests were taken with both air silencer and standard carburetters fitted. These shew that the… | ||
| Scan267 | Steering tests conducted at Brooklands with different tyre types and pressures. | ||
| View original record | BROOKLANDS. STEERING TESTS. 4.6.30. Tests were carried out with Standard Dunlop silent tyres. U.S.A. 7 x 19 Royal, and 7 x 20 ¾" off set special. U.S.A. 7 x 19 at 40 lbs. pressure. Steering slightly… | ||
| Scan268 | Test report on the performance of 7 x 20 Dunlop Silent Tyres at various pressures and wheel configurations. | ||
| View original record | 7 x 20 Dunlop Silent Tyres. At 40 lbs. - Steering very light at high speeds, not so positive as ½" Off-set wheels. Good for joggles At 35 lbs - Steering not quite so light but joggles slightly worse.… | ||
| Scan269 | The dispatch of new 'Silent Tread Tyres' with improved non-skidding properties for testing. | ||
| View original record | PN. From Hs/Rn. c. to C. X 4050. Hs/Rn.1/MJ.17.6.30. 7830 We are sending you today, four of the first type of Silent Tread Tyre with the improved non-skidding properties. We have another type of… | ||
| Scan270 | Letter to the Dunlop Rubber Co. Ltd. regarding tyre failures on 40/50 cars at Brooklands and requesting suitable racing tyres. | ||
| View original record | X4050 Expl. Dept. Hs/Rn.4/MJ. June 23rd,1930. The Dunlop Rubber Co. Ltd., Fort Dunlop, Erdington, BIRMINGHAM. Dear Sirs, For the attention of Mr. Bond. We are doing a certain amount of running with… | ||
| Scan271 | The performance of a new experimental 'Silent Tread' tyre. | ||
| View original record | COPY. X4 050. C. From PN. c. to Hs. PN.6/WT23.6.30. X.7960. X.4550. 4010 X.7820. 1-WJ. Fitted with Experimental Tyre New Silent Tread Tyre. I gave this car a run yesterday, having the four wheels… | ||
| Scan272 | Order for two sets of six special tyres from the Dunlop Rubber Co. for use on Brooklands Track. | ||
| View original record | O.O. From Hs/Rm. c. to Wor. 4050. Hs/Rm.3/MJ.26.6.30. X4050. X3035. X 788. Will you please order for us - Two complete sets of six special tyres from the Dunlop Rubber Co., for use on Brooklands… | ||
| Scan273 | Requesting an opinion on a second set of modified Silent Tread tyres and an enquiry about suitable treads from Dunlop. | ||
| View original record | PN. From Hs/Rn. c. to C. X4050. Hs/Rn.4/MJ.26.6.30. X4050 X7830 X7960 We have sent you the second set of modified Silent Tread tyres by car 14-G4. We should like your opinion on these tyres as early… | ||
| Scan274 | Letter from Dunlop Rubber Co. Ltd. discussing their findings on tyre noise, concluding that most noise comes from the rear tyres contrary to a previous opinion. | ||
| View original record | X4050. DUNLOP RUBBER CO.,LTD. TELEGRAPHIC ADDRESS: "DUNLOPS, PHONE, BIRMINGHAM" TELEPHONE: BIRMINGHAM CENTRAL 4108 (PBE) EXTENSION No. YOUR REF. OUR REF. WB/W.4.27 FORT DUNLOP ERDINGTON BIRMINGHAM 2nd… | ||
| Scan275 | Letter from Dunlop Rubber Co. Ltd. regarding the incorrect delivery of Fort Silent tyre covers. | ||
| View original record | DUNLOP RUBBER CO.,LTD. TELEGRAPHIC ADDRESS: "DUNLOPS, PHONE, BIRMINGHAM." TELEPHONE: BIRMINGHAM CENTRAL 4108 (P.B.E.) EXTENSION No YOUR REF. OUR REF. WB.AGP.R.1.27. FORT DUNLOP ERDINGTON BIRMINGHAM… | ||
| Scan276 | Letter from Dunlop Rubber Co. Ltd. regarding a partial despatch of an order for special racing tyres. | ||
| View original record | X4050 DUNLOP RUBBER CO.,LTD. TELEGRAPHIC ADDRESS: "DUNLOPS, PHONE, BIRMINGHAM". TELEPHONE: BIRMINGHAM CENTRAL 4108 (P.B.E). EXTENSION No. 381. YOUR REF: OUR REF: GFK/LW.7.21. FORT DUNLOP ERDINGTON… | ||
| Scan277 | Return of two incorrectly sized tyres to the Dunlop Rubber Co. | ||
| View original record | Stores. From Hs/Rn. c. to O.O. S.O. X4050. Hs/Rn.1/MM.10.7.30. We are sending into the Stores for despatch to The Dunlop Rubber Co. - Two 33 x 6.75 tyres fitted with special tread. These tyres were… | ||
| Scan278 | Letter to Dunlop discussing wheel rim and tire compatibility for cars exported to the U.S. | ||
| View original record | AJL X4050. RECEIVED 16 1930 c. Hs. Oy5/DM. July 15th 1930. For the attention of W.H. Paull, Esq., The Dunlop Rubber Co. Ltd., Erdington. Birmingham. Dear Mr. Paull: I have had some correspondence with… | ||
| Scan279 | Letter discussing further testing on American tires and rims, and requesting information for standardization. | ||
| View original record | -2- Mr. Hives has agreed to give further test to the 19 x 7 straight side rims using two weights of American tires thereon, i.e. the standard and an extra heavy tire of 6 ply construction,… | ||
| Scan280 | Querying the dispatch of six special racing tyres from the Dunlop Company to Mr. Rowbotham at Brooklands. | ||
| View original record | Hs/Rm. X4050 ROY/GEA7/EB22.7.30. Delivered The Dunlop Company advise, that they despatched to Mr.Rowbotham at Brooklands on the 3rd instant, six special racing tyres. Will you kindly advise if this is… | ||
| Scan281 | Short memo confirming the delivery of six special racing tyres. | ||
| View original record | K6050, ROY. From Hs/Rn. Hs/Rn. 5/MJ. 22.7.30. Referring to ROY/GEA7/EB22.7.30. Six special racing tyres were delivered to R.R. on the track on the 3rd. inst. Hs/Rn. | ||
| Scan282 | Letter from Dunlop Rubber Co. Ltd. regarding the return of two tyre covers and requesting their usage mileage. | ||
| View original record | Y4050. DUNLOP RUBBER CO.,LTD. TELEGRAPHIC ADDRESS: "DUNLOPS, PHONE, BIRMINGHAM." TELEPHONE: BIRMINGHAM CENTRAL 4108 (PBE) EXTENSION No. YOUR REF: OUR REF: AGP/HR.1.257. FORT DUNLOP ERDINGTON… | ||
| Scan283 | Encouraging results of experimental silent tread Dunlop tyres. | ||
| View original record | S/W (crossed out) Wor...from PN. -> Copy to Hs. XUO50 PN.3/WT8.8.30. XU050. x7820. x5820. The set of the latest type of silent tread Dunlop tyres (Experimental) which we have been running on 1-WJ has… | ||
| Scan284 | Covering memo forwarding a letter and blueprint from Dunlop Co. regarding a 7' tyre for a 19' rim. | ||
| View original record | Hs. Oy. X4050. BY/Mtn11/N.9.8.30. We attach hereto copy of letter from the Dunlop Co. which is a reply to a letter sent to them by Oy. also photostat copy of the blueprint referred to. We have not… | ||
| Scan285 | Letter from Dunlop regarding Drop Centre Rim modifications and international standards. | ||
| View original record | COPY. THE DUNLOP RUBBER CO.LTD., Our Ref: Technical Director. FORT DUNLOP, ERDINGTON. BIRMINGHAM. Messrs Rolls-Royce Ltd. DERBY. Attention of Maurice Olley Esq., Dear Mr Olley, I must apologise for… | ||
| Scan286 | Letter from the Dunlop Rubber Co. Ltd. regarding the production of a 27.00 tyre and the 'Silent Pattern' mould. | ||
| View original record | -2- I enclose you herewith a print showing the detailed dimensions. With regard to the production of 27.00 tyre for 19" rim. This is well in hand in the Standard Triple Stud Type. With regard to the… | ||
| Scan287 | Proposal drawing for 4.00' and 4.37' well base rims. | ||
| View original record | 4.00" & 4.37" WELL BASE RIMS. PROPOSAL. Left Drawing (4.00") Dimensions: 5.084", 4.00", .542", .81", 2.38", .844", .57", .85", 38°, 65°, 25°, .312"R, .25"R Right Drawing (4.37") Dimensions: 5.454",… | ||
| Scan288 | Letter to Dunlop Rubber Co. Ltd. concerning the estimated mileage of tyres. | ||
| View original record | X 4050 Hs/MB/AD. 11th August, 1930. W. Bond Esq., Messrs. Dunlop Rubber Co.Ltd. Fort Dunlop, Erdington, Birmingham. Dear Sir, With reference to your letter ref. AGP/HR.1.257. of the 25th ult. We… | ||
| Scan289 | Enquiry from Dunlop Rubber Co. regarding the tread design of silent type tyres. | ||
| View original record | X4050. DUNLOP RUBBER CO.,LTD. TELEGRAPHIC ADDRESS: "DUNLOPS, PHONE, BIRMINGHAM". TELEPHONE: BIRMINGHAM CENTRAL 4108 (PBX.) EXTENSION No. YOUR REF: OUR REF: WB/W.5.118 FORT DUNLOP ERDINGTON BIRMINGHAM… | ||
| Scan290 | Letter to The Dunlop Rubber Co. concerning tests on a modified silent tread tyre. | ||
| View original record | X.4050. Hs/Rm4/AD. 13th August, 1930. The Dunlop Rubber Co. Fort Dunlop, Erdington, Birmingham. Dear Sirs, For the attention of Mr. Bond. With reference to your letter of the 11th inst. We have now… | ||
| Scan291 | Letter from Dunlop Rubber Co. Ltd. discussing the trend in American rim diameters. | ||
| View original record | x4050. DUNLOP RUBBER CO.,LTD. TELEGRAPHIC ADDRESS: "DUNLOP'S, PHONE, BIRMINGHAM" TELEPHONE: BIRMINGHAM CENTRAL 4108 (P.B.E.) EXTENSION No. YOUR REF: OUR REF: B/AGP/HR.6.158. FORT DUNLOP ERDINGTON… | ||
| Scan292 | Order request for a set of six 20-inch wheels from The Dunlop Rubber Co. | ||
| View original record | O.O. From Hs/Rn. X4050 Hs/Rn.1/MJ.25.8.30. 40/50. Will you please order for us from The Dunlop Rubber Co., One set of six 20" wheels, having the new 4.00" Well Base Rim as shewn on the Dunlop Drawing… | ||
| Scan293 | Letter to the Dunlop Rubber Co. Ltd. requesting tyre radius data for speedometer calibration. | ||
| View original record | 84050. Expl. Dept. Hs/Rm.6/MJ. August 25th.1930. The Dunlop Rubber Co,Ltd., Fort Dunlop, ERDINGTON, BIRMINGHAM. Dear Sirs, 20 HP. & 40/50 TYRES. In 1925 Mr. Healey was good enough to let us have some… | ||
| Scan294 | Letter from Dunlop Rubber Co. Ltd. responding to an inquiry about 20 HP and 40/50 tyres. | ||
| View original record | K4050. DUNLOP RUBBER CO.,LTD. TELEGRAPHIC ADDRESS: "DUNLOPS, PHONE, BIRMINGHAM" TELEPHONE: BIRMINGHAM CENTRAL, 4108 (PBE) EXTENSION No. 482 YOUR REF: Hs/Rm.6/MJ OUR REF: HP/MS.15 Technical… | ||
| Scan295 | Internal order request for two sets of Dunlop tyres with a new improved silent tread for the 20 HP and 40/50 HP models. | ||
| View original record | Y4050. O.O. From Hs/Rm. Hs/Rm.9/MJ.5.9.30. X30337 Will you please order for us from the Dunlop Rubber Co., one set of five 6" tyres for 19" rims for the 20 HP., and a complete set of six 7" tyres for… | ||
| Scan296 | Order to The Dunlop Rubber Co. for two sets of tyres with an improved silent tread pattern for the 20 HP and 40/50 models. | ||
| View original record | X 4050. Expl. Dept. Hs/Rn.1/MJ. Sept. 6th.1930. The Dunlop Rubber Co., Fort Dunlop, Erdington, BIRMINGHAM. Dear Sirs, For the attention of Mr. Bond. We are sending you an order for two sets of tyres,… | ||
| Scan297 | Inquiry about standardising a new type of Dunlop tyre with silent running and improved road adhesion qualities. | ||
| View original record | COPY. X4050. X. 4050. X. 7820. S/W. Hs. 612/C17.9.30. Will you please let me know if you are doing anything towards standardising the new type of Dunlop tyre which is silent but has better road… | ||
| Scan298 | Letter from Dunlop Rubber Co. Ltd. regarding test results for 20 HP & 40/50 tyres. | ||
| View original record | X4050, DUNLOP RUBBER CO.,LTD. TELEGRAPHIC ADDRESS: 'DUNLOPS, PHONE, BIRMINGHAM'. TELEPHONE: BIRMINGHAM CENTRAL 4108 (P.B.E.) EXTENSION No. 482 YOUR REF: Hs/Rm.6./MJ OUR REF: HP/MS.11 Technical… | ||
| Scan299 | Graph showing the effect of speed on the effective radius of two different sizes of Dunlop Fort Silent tyres. | ||
| View original record | EFFECT OF SPEED ON THE EFFECTIVE RADIUS OF A 7.00-20 DUNLOP FORT SILENT TYRE AND A 6.00-19 DUNLOP FORT SILENT TYRE INFLATED TO 35 LBS. SQ. INCH. INCREASE IN RADIUS. M.M'S SPEED. MILES PER HOUR.… | ||
| Scan300 | Gaining more experience with a set of tyres, focusing on wear, before standardisation. | ||
| View original record | X4050 C. From Hs/Rn. Hs/Rn.3/MJ.22.9.30. X.4050. X.7820. With reference to your C12/C17.9.30. We are trying to get a little more experience with these tyres before standardising them, especially with… | ||
| Scan301 | Letter to The Dunlop Rubber Co. Ltd. requesting information on the difference between a tyre running under load versus running light. | ||
| View original record | X.4050. Hs/Rml/AD. 22nd September, 1930. The Dunlop Rubber Co.Ltd, Fort Dunlop, Erdington, Birmingham. For the attention of Mr. Parsons. Dear Sirs, Many thanks for your letter of the 19th inst.… | ||
| Scan302 | Letter from Dunlop Rubber Co. Ltd. clarifying that the measurable difference between a tyre under load and one running light is negligible. | ||
| View original record | X4050. DUNLOP RUBBER CO.,LTD. TELEGRAPHIC ADDRESS: "DUNLOPS, PHONE, BIRMINGHAM" TELEPHONE: BIRMINGHAM CENTRAL 4108 (P.B.E) EXTENSION No 482 YOUR REF: Hs/Rm1/AD OUR REF: HP/MS.9 Technical… | ||
| Scan303 | Urgently testing new tyres due to complaints about the adhesive properties of 'Silent tyres' with winter approaching. | ||
| View original record | S/W. Hs/Rn. COPY. *4050. C4/C26.9.30. X.7820. X.4050. Re. TYRES Hs/Rn3/MJ22.9.30. Thanks for your memo. I note you feel you ought to have a little more experience of these tyres. We should like you to… | ||
| Scan304 | Letter from Dunlop Rubber Co. Ltd. regarding the incorrect dispatch of tyres and arranging a replacement. | ||
| View original record | Y4050. DUNLOP RUBBER CO.,LTD. TELEGRAPHIC ADDRESS: "DUNLOPS, PHONE, BIRMINGHAM". TELEPHONE: BIRMINGHAM CENTRAL 4108 (P.B.E.) EXTENSION No. YOUR REF: OUR REF: AGP/KL.1.279. FORT DUNLOP ERDINGTON… | ||
| Scan305 | Letter to Dunlop Rubber Co. Ltd. regarding the fitting of tyres. | ||
| View original record | X4050 Expl. Dept. Hs/Rm.1/MJ. 29th. Sept. 1930. The Dunlop Rubber Co. Ltd., Fort Dunlop, Erdington, BIRMINGHAM. For the attention of Mr. Bond. Dear Sirs, We thank you for your letter of the 27th.inst.… | ||
| Scan306 | The wear and tear of experimental silent type tyres after 4,700 miles of testing. | ||
| View original record | S/W Hs/Rm (82) 6 6/10 X4050. C10/C4.10.30. X4050 X7820. X5820. NEW TYPE TYRES. ------- On the question of wear and tear with the experimental silent type tyre which has been running on our Trials car,… | ||
| Scan307 | Inquiry from Dunlop Rubber Co. about the adoption of a modified 'Silent tyre' tread following a 10,000 miles test. | ||
| View original record | Y6050 DUNLOP RUBBER CO.,LTD. TELEGRAPHIC ADDRESS 'DUNLOPS, PHONE, BIRMINGHAM' TELEPHONE BIRMINGHAM CENTRAL 4108 (P.B.E.) EXTENSION No. YOUR REF OUR REF WB/W.10.610 FORT DUNLOP ERDINGTON BIRMINGHAM 6th… | ||
| Scan308 | Letter to the Dunlop Rubber Co. Ltd. regarding the decision to adopt the Silent Tread Tyre as standard equipment. | ||
| View original record | X4050. X.4050. X.7820. X.5820. Expl. Dept. Hs/Rn.2/MJ. 7th. October 1930. The Dunlop Rubber Co. Ltd., Fort Dunlop, Erdington, BIRMINGHAM. For the attention of Mr. Bond. Dear Sir, With reference to… | ||
| Scan309 | Test report on modified Dunlop Silent Tread Tyres, focusing on road adhesion and noise characteristics. | ||
| View original record | To R. From Hs/AJL. c. to Sg. Wor. c. to C. Da. c. to BY. x4050. Hs/AJL.1/MJ.7.10.30. DUNLOP SILENT TREAD TYRES. X. 4050. X. 7820. X. 5820. We have received for test a set of Dunlop 7" x 20" Silent… | ||
| Scan310 | Tyre modification testing, noting improved wear and proposing standardisation. | ||
| View original record | -2- Hs/AJL.1/AJ.7.10.30.Contd. improvement in road adhesion is that has resulted from the modification, because we have not had the opportunity of testing them under the bad conditions that occur on… | ||
| Scan311 | Letter returning a signed standardisation sheet for a modification to tyre tread patterns and inquiring about availability. | ||
| View original record | X4050. x4050. x7820. Y5820. S/W Hs. C14/09.10.30. I return herewith Standardisation Sheet No. 4050/7820 "Modification to tread pattern on tyres" duly signed by me. No doubt you will be ascertaining… | ||
| Scan312 | Letter to The Dunlop Rubber Co. Ltd concerning the return of 20 inch tyres. | ||
| View original record | XC050. Expl. Dept. HS/CH.1/MJ. 10th.Oct.1930. The Dunlop Rubber Co., Ltd., Fort Dunlop, Erdington, BIRMINGHAM. For the attention of Mr. Bond. Dear Sir, Regarding the 20" tyres we promised to return to… | ||
| Scan313 | Letter to the Dunlop Rubber Co. Ltd. regarding wellingtons and the search for improved 'Silent Tread' tyres. | ||
| View original record | X4059 Expl. Dept. Hs/Rm.1/MJ. 11th. October 1930. The Dunlop Rubber Co. Ltd., Fort Dunlop, Erdington, BIRMINGHAM. For the attention of Mr. Bond. Dear Sir, Many thanks for the Wellingtons, they are… | ||
| Scan314 | Letter from Dunlop Rubber Co. Ltd. discussing an invoice for Wellingtons and new tyre production. | ||
| View original record | x4050. DUNLOP RUBBER CO.,LTD. TELEGRAPHIC ADDRESS: "DUNLOP'S, PHONE, BIRMINGHAM". TELEPHONE: BIRMINGHAM CENTRAL 4108 (P.B.E.) EXTENSION No. YOUR REF: OUR REF: WB/W.5.1310 FORT DUNLOP ERDINGTON… | ||
| Scan315 | Letter from Dunlop Rubber Co. Ltd. confirming the traced receipt of 5 Fort Silent covers with a modified tread. | ||
| View original record | X4050. DUNLOP RUBBER CO.,LTD. TELEGRAPHIC ADDRESS: 'DUNLOP, PHONE, BIRMINGHAM' TELEPHONE: BIRMINGHAM CENTRAL 4108 (P.B.E.) EXTENSION No. YOUR REF: OUR REF: AGP/HR.11.1410. FORT DUNLOP ERDINGTON… | ||
| Scan316 | Letter to The Dunlop Rubber Co. Ltd. enclosing a cheque for payment of an account. | ||
| View original record | X1050 Expl. Dept. October 20th.1930. Hs/Rn.2/MJ. The Dunlop Rubber Co. Ltd., Fort Dunlop, Erdington, BIRMINGHAM. For the attention of MR. Bond. Dear Sir, I enclose herewith cheque valued 17/- in… | ||
| Scan317 | Letter to Dunlop Rubber Co. Ltd. specifying that tyres for the 20 HP and 40/50 HP models are required in 'Fort' type. | ||
| View original record | X4050 Expl. Dept. Hs/Rn.7/MJ. 21st.Oct.1930. The Dunlop Rubber Co. Ltd., Fort Dunlop, Erdington, BIRMINGHAM. For the attention of Mr. Bond. Dear Sirs, Many thanks for your letter of Oct. 13th. Both… | ||
| Scan318 | Chasing an overdue requisition for tyres and tubes received from the Dunlop Rubber Co. | ||
| View original record | Y4050 Hs/Rm. ROY/CG213/WM29.10.30. RECEIVED 29 OCT 1930 We received from The Dunlop Rubber Co. on the 7th instant five 31 x 6 (6.00 x 19) *and tubes to suit. 'Fort' Silent Covers with cross grooves*… | ||
| Scan319 | Modified tread for Dunlop Silent Tyres. | ||
| View original record | X4080. To Hs/Rm from ROY. c. to Wor. ROY9/MG6.11.30 RECEIVED 13 NOV 1930 Dunlop Tyres The Dunlop Company advise that a modified tread for the Dunlop Silent Tyres used by this Company has been approved… | ||
| Scan320 | Standardisation document for a modification to the tyre tread pattern. | ||
| View original record | RR 75B (10M) (3-7-30) BM. G/2571. X4050. COMPLETED 12.11.30. STANDARDISATION OF CHASSIS PARTS. Date 7.10.30. Description of Parts. MODIFICATION TO TREAD PATTERN ON TYRES. Origin. To improve grip on… | ||
| Scan321 | Letter regarding the supply of modified Silent Tread Tyres from Dunlop for 20/25 and 40/50 HP chassis. | ||
| View original record | x4050. W/S Hs/Rm. BY/Mtn30/N.19.11.30. Re: Modified Silent Tread Tyres. We have received a letter from the Dunlop Rubber Co.Ltd., copy of which we attach hereto, relating to the supply of the modified… | ||
| Scan322 | Letter from Dunlop Rubber Co. Ltd. regarding the supply schedule for modified Silent Tread Tyres. | ||
| View original record | Copy. DUNLOP RUBBER CO.LTD., FORT DUNLOP ERDINGTON? BIRMINGHAM. 18th.Nov.1930 Your Ref: BY/Mtn15/N. Our Ref: FS/EJ.18 Manufacturers' Div. Car C.V. & Aero. For the attention of Harvey Bailey Esq.,… | ||
| Scan323 | Balancing issues with Special Dunlop Modified Silent Type tyre covers fitted to a Weymann 25 HP car. | ||
| View original record | To C. from PN. c. to Hs/RM. RECEIVED 21 NOV 1930 HS x 4050. re. Special Dunlop Modified Silent Type Covers. The five covers sent for us to fit on to one of our cars were fitted to the Weymann 25 h.p.… | ||
| Scan324 | Letter to Dunlop Rubber Co. concerning unbalanced experimental 'Silent Tread Tyres' for the 20/25 car. | ||
| View original record | X4050. Hs/Rm5/AD. 24th November, 1930. Messrs. Dunlop Rubber Co. Fort Dunlop, Erdington, Birmingham. For the attention of Mr. Paul. Dear Sirs, Improved Silent Tread Tyres for the 20/25 car. We note… | ||
| Scan325 | Note about out-of-balance tyres for Modified Silent Type Covers, a matter which has been taken up with Dunlop. | ||
| View original record | X 4050. PN. from Hs/Rm. c. C. Hs/Rm6/AD24.11.30. MODIFIED SILENT TYPE COVERS Your PN12/CP21.11.30 We note that some of the tyres you had were, badly out of balance. We have taken the matter up with… | ||
| Scan326 | Fitting of non-standard tyres to the Phantom II, noting issues with poor steering. | ||
| View original record | Y4050 Roy. from Hs/Rn. c. Wor. Hs /Rnl/AD24.11.30. Y7820 Y4050 NEW SILENT TREAD TYRE. With reference to Roy3/MG21.11.30. We are surprised to hear that non Fort tyres are being fitted to the 20" wheels… | ||
| Scan327 | Standardization of Dunlop 'Fort' Tyres for 20 HP and 40/50 HP models. | ||
| View original record | X4050 To Hs/RM from ROY. C to Wor ROY1/MG25.11.30 Dunlop Tyres Following our conversation on Saturday (22nd) and Hs/Rm1/AD24.11.30 re Dunlop Tyres for our 20 HP. and 40/50 HP. Models, the Dunlop… | ||
| Scan328 | Letter from Dunlop Rubber Co. Ltd. apologising for sending 5 unbalanced modified silent tread pattern covers. | ||
| View original record | X050. DUNLOP RUBBER CO.,LTD. TELEGRAPHIC ADDRESS: "DUNLOP, PHONE, BIRMINGHAM" TELEPHONE: BIRMINGHAM CENTRAL, 4108 (P.B.E) EXTENSION No. YOUR REF: Hs/Rm5/AD. OUR REF: AGP/HR.8.212. FORT DUNLOP… | ||
| Scan329 | Explanation from Messrs. Dunlop regarding unbalanced modified silent tread tyres. | ||
| View original record | X.4050. PN. from Hs/Rn. Hs/Rnl/AD3.12.30. With reference to your query re. the modified silent tread tyres which you received and which were badly out of balance, we have received the following… | ||
| Scan330 | Letter from Dunlop regarding the development and supply of 'Silent Tyres'. | ||
| View original record | X4050 . DUNLOP RUBBER CO.,LTD. TELEGRAPHIC ADDRESS: "DUNLOPS, PHONE, BIRMINGHAM" TELEPHONE: BIRMINGHAM CENTRAL 4108 (P.B.E.) EXTENSION No. YOUR REF: OUR REF: WB.HR. FORT DUNLOP ERDINGTON BIRMINGHAM… | ||
| Scan331 | Use of Dunlop and 'India' brand tyres for 40/50 HP and 20 HP cars. | ||
| View original record | RECEIVED 10 FEB 1931 ...HS/RM. to Sg. Wbr. Ck. Whr. X4050. C4/C10.2.31 X4462. TYRES - 40/50 h.p. and 20 h.p CARS. Hs/Rm4/KT5.2.31 We note that you are sending us a Canadian Dunlop tyre for examination… | ||
| Scan332 | Follow-up letter regarding a Dunlop tyre sent for examination that has not yet arrived. | ||
| View original record | S/W Hs/Rm [Stamp: DERBY RECEIVED 17 FEB 1931] res. X4050. C14/C14.2.31 You mentioned in your Hs/Rm4/KT5.2.31 that you were sending to us for examination a Dunlop tyre from their Canadian factory. This… | ||
| Scan333 | Letter to Dunlop Rubber Co. Ltd. regarding the testing of Canadian Dunlop Tyres. | ||
| View original record | X4050. Expl. Dept. Hs/Rn.4/MJ. 16th. February 1931. The Dunlop Rubber Co. Ltd., Fort Dunlop, Erdington, Birmingham. For the Attention of Mr. Bond. Dear Sir, Canadian Dunlop Tyres. We have tested the… | ||
| Scan334 | Fitting of Canadian Pattern Dunlop Tyres to car 58-GN. | ||
| View original record | X4050. To C. From Hs. Hs.1/MJ.13.2.31. DUNLOP TYRES. x7960. We are arranging to fit Canadian Pattern Dunlop Tyres to 58-GN., Sg's. car. We expect this car to be returned to you on Friday. Hs. | ||
| Scan335 | Suitability of Dunlop's modified silent tread tyres as a standard fitment. | ||
| View original record | S/W....Hs. c. to PN. ----- X4050. C1/C26.2.31 DUNLOPS MODIFIED SILENT TREAD TYRES. ----- With regard to the two modified silent tread tyres which were brought to Bond St. last week from Bignall's… | ||
| Scan336 | Performance and suitability of Dunlop modified silent tread tyres for different road conditions. | ||
| View original record | To C. From Hs/RM. c. to PN. Hs/Rm.4/KT.4.3.31. DUNLOP MODIFIED SILENT TREAD TYRES. C1/C26.2.31. The present position as we understand it is this - For English main road conditions, we recommend the… | ||
| Scan337 | Requesting an urgent order of one dozen special Dunlop tyres for a 40/50 HP car for use at Brooklands Track. | ||
| View original record | To Roy. From Hs/Rm. x4050. Hs/Rm.10/MJ.13.4.31. You will remember that last year the Dunlop Rubber Co., supplied us with one dozen special tyres for the 40/50 HP. car for use at high speeds on… | ||
| Scan338 | Letter from Dunlop Rubber Co. regarding altered non-skid tyre samples sent for approval. | ||
| View original record | X4050. DUNLOP RUBBER CO.,LTD. TELEGRAPHIC ADDRESS: "DUNLOPS, PHONE, BIRMINGHAM". TELEPHONE: BIRMINGHAM CENTRAL 4108 (P.B.E) EXTENSION NO. 523. YOUR REF: OUR REF: AH/R. FORT DUNLOP ERDINGTON BIRMINGHAM… | ||
| Scan339 | Letter from Dunlop Rubber Co. Ltd. to W.A. Robotham regarding a meeting to discuss the exploitation of a rubber suspension device. | ||
| View original record | X4050. DUNLOP RUBBER CO.,LTD. TELEGRAPHIC ADDRESS: "DUNLOPS, PHONE, BIRMINGHAM". TELEPHONE: BIRMINGHAM CENTRAL 4108 (P.B.E.) EXTENSION NO. 523. YOUR REF: OUR REF: AH/R. FORT DUNLOP ERDINGTON… | ||
| Scan340 | Letter to A. Healey of Dunlop Rubber Co. Ltd. confirming a meeting time. | ||
| View original record | x4050. Expl. Dept. Hs/Rm.S/KT. 21st April 1931. Dunlop Rubber Co. Ltd. Fort Dunlop, Erdington, Birmingham. For the attention of A. Healey, Esq. Dear Mr. Healey, Thank you for your letter of April… | ||
| Scan341 | Initial test results for a new type of Dunlop silent tread tyre. | ||
| View original record | 84050. To Hs. to Rm. From GWH. HS/GWH.6/KT.22.4.31. NEW TYPE DUNLOP SILENT TREAD. We have tried these tyres and find them to be very good for silence at all speeds. There is no transmission noise from… | ||
| Scan342 | Testing procedure for a new pair of silent Dunlop tyres with modified tread patterns. | ||
| View original record | X4050 RECEIVED 5 APR 1931 S/W. Hs...from PN. Copy to Mr. O. Silent Tyres. Further modification of tread pattern. The Dunlop Co. has sent us a next pair of these tyres with a view to our testing them… | ||
| Scan343 | Standardization and performance of silent tread tyres. | ||
| View original record | To PN. From Hs/Rm. c. to Wor. C. X4050. Hs/Rm.6/KT. 34.4.31. SILENT TREAD TYRES. With reference to PN.3/WT23.4.31. will you please say if Sales Dept like the appearance of these tyres. As we have… | ||
| Scan344 | Questioning the benefits of modified silent tread tyres and their proposed adoption. | ||
| View original record | 84050. PN.4/WT29.4.31. S/W. Hs...from PN. Copy to C. Whm. Silent Tread Tyres. In reply to your Hs/Rm6/KT.24.4.31, Silent Tread Tyres. We fail to understand what is to be gained by our testing these… | ||
| Scan345 | Letter from Dunlop Rubber Co. Ltd. requesting data on the efficiency of tyres as power transmitters. | ||
| View original record | X4050. DUNLOP RUBBER CO.,LTD. TELEGRAPHIC ADDRESS: "DUNLOPS,PHONE,BIRMINGHAM." TELEPHONE: BIRMINGHAM CENTRAL 4108 (P.B.E) EXTENSION No. 528. YOUR REF: OUR REF: AH/R. FORT DUNLOP ERDINGTON BIRMINGHAM… | ||
| Scan346 | Correspondence concerning the return and testing of tyre covers from Dunlop. | ||
| View original record | Hs/Rm. C to Roy. 84050 G/WFH/H.14/MM/12/5/31. On the 14th. April 1931 you received from Dunlops the undermentioned Covers. We were advised by Order Office the first mentioned cover was not required… | ||
| Scan347 | Requesting the return of an American Heavy Duty Cover to The Dunlop Rubber Co. Ltd. | ||
| View original record | X4050 Hs/Rm. ROY/CGS6/WM13.5.31. In accordance with memo G/WFH/H.14/MM.12.5.31, will you please send into the Stores one 7.00 x 21 American Heavy Duty Cover, for return to the undermentioned address:-… | ||
| Scan348 | Letter to The Dunlop Rubber Co. Ltd. explaining the inability to provide accurate figures for power loss in tyres and transmission. | ||
| View original record | 84050. Expl. Dept. Hs/Rm.7/KT. 20th May, 1931. The Dunlop Rubber Co. Ltd., Fort Dunlop, Erdington, Birmingham. For the attention of Mr. Healey. Dear Sir, With reference to your letter of May 2nd., we… | ||
| Scan349 | Non-skidding properties and testing of new silent tread tyres against existing standards. | ||
| View original record | 84080. Sales. To C. From Hs/Rm. c. to Wor. FN. c. to BY. Hs/Rm.3/KT. 21.5.31. Further to our telephone conversation of yesterday. Attached is a photograph shewing the silent tread tyre with the… | ||
| Scan350 | Comparison photograph of a standard silent tread and a new type silent tread Dunlop tyre. | ||
| View original record | STANDARD DUNLOP 7.0" & 20" TYRES. STD SILENT TREAD AND NEW TYPE SILENT TREAD 21.8.31 | ||
| Scan351 | Blueprint detailing the dimensions and design of a 7' x 20' Dunlop modified silent tread, fort reinforced tyre. | ||
| View original record | 7" x 20" DUNLOP MODIFIED SILENT TREAD TYRE (FORT REINFORCED) .750 1.1875 57° 1.1875 DEPTH OF TREAD .4375 .712 1.1875 3.218 3.712 5.250 1.00" 18.5.31. | ||
| Scan352 | Stamped document from the Print Room in Derby. | ||
| View original record | ROLLS-ROYCE LTD. PRINT ROOM 21 MAY 31 DERBY | ||
| Scan353 | Blueprint showing the dimensions and pattern of a 7.00' x 20' Dunlop Silent Tread Tyre. | ||
| View original record | 7.00" x 20" DUNLOP SILENT TREAD TYRE. DEPTH OF TREAD .4375 .625 1.125 2.4375 4.00 4.9375 2.9375 THE DIMENSIONS OF THIS TREAD ARE THE SAME AS ON THE 7.00 x 21" SILENT TREAD TYRE, THE ONLY DIFFERENCE… | ||
| Scan354 | Extremely faded document with only a purple date stamp being clearly legible. | ||
| View original record | [Illegible text] ROLLS-PRINT 21 MAY 31 DRG | ||
| Scan355 | New Dunlop tyre tread design and its comparison to existing silent and triple stud tyres. | ||
| View original record | S/W...Hs/Rm. e. to Wor. c. to By. c. to PN. γ 4050. RECEIVED 4 JUN 1931 C13/C6.6.31 Re DUNLOP TYRES. Hs/Rm3/KT21.5.31 Thanks for the photograph enclosed, and the new tread certainly appears to be… | ||
| Scan356 | Proposal from the Dunlop Company to stop producing 'Silent Tread Covers' and only supply 'Fort' Tyres. | ||
| View original record | Ex from ROY. c. to Hs. 84050. ROY/GEA.10/EB12.6.31. The Dunlop Company write as follows :- "We are seriously considering the possibility of taking "from our production programme all Silent Tread… | ||
| Scan357 | Letter from Dunlop Rubber Co. Ltd. concerning the provision of tyre dimension details. | ||
| View original record | 84050. DUNLOP RUBBER CO.,LTD. TELEGRAPHIC ADDRESS: "DUNLOPS, PHONE, BIRMINGHAM". TELEPHONE: BIRMINGHAM CENTRAL 4108 (P.B.E). EXTENSION No. 395. YOUR REF: OUR REF: HEP/LW.18. FORT DUNLOP ERDINGTON… | ||
| Scan358 | Table of tyre specifications listing size, type, inflated diameter, inflated width, and effective radius. | ||
| View original record | MESSRS. ROLLS ROYCE LIMITED. 2.10.31. Tyre Size & Type. Infl.diam. Infl.width. Effec.radius. 4.40-19 'Fort'. 28.69 4.55 13.63 5.25-21 " 32.42 5.50 15.31 6.00-19 " 31.75 6.24 14.94 6.00-20 " 32.85 6.18… | ||
| Scan359 | Letter from Dunlop Rubber Co. Ltd. enclosing an updated data sheet on tyre dimensions for new standard rims. | ||
| View original record | X4050 DUNLOP RUBBER CO.,LTD. TELEGRAPHIC ADDRESS: "DUNLOPS, PHONE, BIRMINGHAM". TELEPHONE: BIRMINGHAM CENTRAL 4108 (P.B.E) EXTENSION No. 395. YOUR REF: OUR REF: HEP/LW.58. FORT DUNLOP ERDINGTON… | ||
| Scan360 | Table of tyre and rim specifications with corresponding inflation diameter, inflation width, and effective radius dimensions. | ||
| View original record | MESSRS. ROLLS ROYCE LIMITED. 8.10.31. Tyre Size & Type. Rim. Infl.dia. Infl.width. Effec.radius. 7.00-21 Standard. 5x21 34.95 6.67 16.3 4.00x21 34.83 6.85 16.3 7.00-21 Fort. 5x21 35.44 7.06 16.5… | ||
| Scan361 | Letter to Dunlop Rubber Co. Ltd. requesting a set of 6 tyres with the Canadian Dunlop pattern for testing. | ||
| View original record | X4050. Hs/Rm.6/AD. October 23rd, 1931. The Dunlop Rubber Co.Ltd. Fort Dunlop, Erdington, Birmingham. For the attention of Mr. Healey. Dear Sirs, You will remember that some time ago you submitted to… | ||
| Scan362 | Request to the Dunlop Rubber Co. for a set of tyres, with an inquiry about available tread patterns. | ||
| View original record | Roy. from Hs/Rm. r4050. Hs/Rm.7/AD23.10.31. We wish to obtain from the Dunlop Rubber Co. a set of 6 6" tyres for 18" rims of the Fort type. The tyre is known as 30" x 6" tyre and the tread pattern we… | ||
| Scan363 | Letter from Dunlop Rubber Co. Ltd. regarding the availability of moulds for experimental tyres. | ||
| View original record | 84050. DUNLOP RUBBER CO.,LTD. TELEGRAPHIC ADDRESS: "DUNLOPS PHONE BIRMINGHAM" TELEPHONE: BIRMINGHAM CENTRAL 4108 M.B.E. 28 LINES EXTENSION No. 237. YOUR REF: Hs/Rm.6/AD. OUR REF: FF.MW. Product… | ||
| Scan364 | Letter to Dunlop Rubber Co. Ltd. regarding the supply of two specific sizes of Fort tyres for road testing. | ||
| View original record | X4050 Hs/Rm.3/AD. October 29th, 1931. The Dunlop Rubber Co.Ltd. Fort Dunlop, Erdington, Birmingham. For the attention of Mr. Fellowes. Dear Sirs, We thank you for your letter of the 26th inst. and… | ||
| Scan365 | Letter from Dunlop regarding experimental tyres with a new tread pattern. | ||
| View original record | X 4050. DUNLOP RUBBER CO.,LTD. TELEGRAPHIC ADDRESS: DUNLOP'S PHONE, BIRMINGHAM TELEPHONE: BIRMINGHAM, CENTRAL 4108 (R.B.E. 25 LINES) EXTENSION No. 237. YOUR REF: Hs/Rm/AD. OUR REF: FF.MW. Product… | ||
| Scan366 | Letter from Dunlop Rubber Co. questioning a claim about tyre noise reduction from high domed wings. | ||
| View original record | x4050. DUNLOP RUBBER CO.,LTD. TELEGRAPHIC ADDRESS: DUNLOP'S, PHONE, BIRMINGHAM. TELEPHONE: BIRMINGHAM CENTRAL 4108 (P.B.X.) EXTENSION No. YOUR REF: OUR REF: W.D.B. FORT DUNLOP ERDINGTON BIRMINGHAM… | ||
| Scan367 | Letter to Dunlop Rubber Co. Ltd. regarding the unproven effect of wing shape on tyre noise. | ||
| View original record | X4050. HS/Rn.4/AD. November 10th, 1931. MR. Healey, The Dunlop Rubber Co.Ltd. Fort Dunlop, Erdington, Birmingham. Dear Mr. Healey, With reference to your letter ref. W.D.B. of the 6th inst. I much… | ||
| Scan368 | Letter from Dunlop Rubber Co. discussing issues with a modified Silent tyre and the ordering of new moulds. | ||
| View original record | 4050. DUNLOP RUBBER CO.,LTD. TELEGRAPHIC ADDRESS "DUNLOP," PHONE, BIRMINGHAM TELEPHONE: BIRMINGHAM CENTRAL 4108 (P.B.E.) EXTENSION No. YOUR REF: OUR REF: FORT DUNLOP ERDINGTON BIRMINGHAM November… | ||
| Scan369 | Letter to Dunlop Rubber Co. Ltd. clarifying a mistake in quoted tyre mold sizes. | ||
| View original record | X4050. Expl. Dept. Hs/Rm.14/MJ. November 13th.1931. The Dunlop Rubber Co. Ltd., Fort Dunlop, Erdington, Birmingham. For the attention of Mr. Healey. Dear Sir, We thank you for your letter of the… | ||
| Scan370 | Typed letter discussing noise issues with Silent Dunlop tyres due to 'toeing and heeling' and a new Canadian tread design. | ||
| View original record | S/W Hs 8 4050. C1/C21.11.31 We find that some of the present type Silent Dunlop tyres develop extremely noisy after a few thousand miles running. This was very noticeable on Sg's car. We took the… | ||
| Scan371 | Experiments with a new silent tyre tread to address issues with groans. | ||
| View original record | Y4050. To C. From Hs/Rm. Hs/Rm.2/MJ.27.11.31. With reference to C.1/C21.11.31. We are experimenting with a different type of silent tread. We attach a photograph of this tread marked with a cross… | ||
| Scan372 | Letter to Dunlop Rubber Co. Ltd. requesting urgent delivery of special tyres for an endurance test on the Continent. | ||
| View original record | X4050. Hs/Tsm.2/AD. December 21st, 1931. The Dunlop Rubber Co.Ltd. Fort Dunlop, Erdington, Birmingham. For the attention of Mr. Bond. Dear Sirs, We are anxiously awaiting delivery of the special tyres… | ||