Rolls-Royce Archives
| Identifier | Entry | ||
| Scan001 | Negotiation with Dunlop Co. for the supply of wheels and tyres for test cars. | ||
| View original record | By from Wd. c.to Hs. 43809 Wd10/NJ18.9.25. Detachable Wire Wheels with Wellbase Rim. I have had a conversation by 'phone with Col.Matthew of the Dunlop Co. regarding our requirements of wire wheels… | ||
| Scan002 | Reasonable offer from the Dunlop Company for detachable wire wheels with wellbase rims. | ||
| View original record | B775 X3809 wd. C. Hs. BY/C2/H. 23.9.25. DETACHABLE WIRE WHEELS WITH WELLBASE RIMS. In reply to Wd10/NJ. 18.9.25. BY. considers that the Dunlop Company's offer is quite a reasonable one, and should be… | ||
| Scan003 | Return of a faulty Dunlop well-based rim and tyre to the makers. | ||
| View original record | To Wd/Ms. from Hs. c. to Mr. Chatwin. c. to BP. X3715 (handwritten, crossed out) X3809 (handwritten) Hs1/LG24.9.25. We are sending into the Stores ;- 1 Dunlop well-based rim fitted with tyre. Will you… | ||
| Scan004 | The return of an unsatisfactory demonstration wheel and tyre to the Dunlop Rubber Co Ltd. | ||
| View original record | 43809 D. for BP. [Struck through] c. to Hs [Hs is struck through and 'Chat.' is handwritten above it] (Exp. Dept.) Wd/AW7/W24.9.25. Colonel Matthew of the Dunlop Rubber Co Ltd., brought to these Works… | ||
| Scan005 | Agreement with the Dunlop Rubber Co. Ltd. for the supply of wheels and tyres at half-price for testing purposes. | ||
| View original record | -Roy from Wd. -c.to Hy. c.to Hs. -c.to By. -c.to Ms. -c.to Chat. V3725 V3809 Wd1/NJ25.9.25. The Dunlop Rubber Co.Ltd. Dunlop Detachable Wire Wheels with Well-base Rims, fitted with Triple Block Tyres… | ||
| Scan006 | Letter concerning the supply and delivery of Dunlop wheels and tyres for testing on 40/50 HP and 20 HP chassis. | ||
| View original record | Hs.from Wd. 43509 Wd5/NJ28.9.25. The Dunlop Rubber Co.Ltd. Dunlop Detachable Wire Wheels with Wellbase Rims fitted with Triple Block Tyres for test. I confirm mine Wd1/NJ25.9.25. Herewith I send you… | ||
| Scan007 | Letter regarding the dispatch of 18 extra heavy covers and tubes for testing in France. | ||
| View original record | Chassis Makers' Division. FORT DUNLOP. COPY. FE/GL8. PARIS. September 23rd.1925. ROLLS-ROYCE LTD. 18 - 6" for 21" EXTRA HEAVY COVERS AND TUBES. NEW TRIPLE BLOCK TREAD. We are having despatched to you,… | ||
| Scan008 | Use of lighter wheels with well base rims for a 10,000 miles test in France. | ||
| View original record | 43809 To B.J. from Hs. Hs4/LG30.9.25. S-EX. 10,000 MILES TEST IN FRANCE. 8940a BJ9/H29.9.25. It is certain we could not recommend the use of the lighter wheels with the well base rims until they have… | ||
| Scan009 | Delayed delivery of wire wheels fitted with new triple stud tyres. | ||
| View original record | Hs. Y3809. Wd/AW17/W1.10.25. 21 x 5 WIRE WHEELS FITTED WITH 6" for 21" NEW TRIPLE STUD TYRES. You will recollect that WD undertook to obtain a set of the above wheels by Friday last and arrangements… | ||
| Scan010 | Confidential letter from the Dunlop Co. concerning new season's price lists and the introduction of Wired-on Balloon tyres with Wellbase Rims. | ||
| View original record | By. from Wd. c.to Hs. c.to Ms. 43809 Wd3/NJ1.10.25. The Dunlop Rubber Co.Ltd. Dunlop Detachable Wire Wheels with Wellbase Rims. This morning we have received from the Dunlop Co., Chassis Makers'… | ||
| Scan011 | Schedule from Dunlop Rubber Co. listing high pressure wired car tyres and their equivalents. | ||
| View original record | Copy of Schedule received from:- THE DUNLOP RUBBER CO.LTD., Fort Dunlop, Erdington, Birmingham. with their letter ref.- Chassis Makers' Division, of 30.9.25. TO:- CAR MANUFACTURERS. CONFIDENTIAL. HIGH… | ||
| Scan012 | Request to obtain 5 Dunlop Disc Wheels for experimental purposes, including cost and return conditions. | ||
| View original record | To Wd/Ms. from Hs/Rn. X3809 Hs/Rml/LG15.10.25. Will you please obtain for us - 5 Dunlop Disc Wheels 21 X 5 X 650 - black enamelled - complete with brace spanner and fitting tool. The cost of these… | ||
| Scan013 | Correspondence regarding the supply and testing of Dunlop wheels and tyres. | ||
| View original record | Hs. from Wd. V3809 Wd4/NJ22.10.25. The Dunlop Rubber Co. Ltd. Dunlop Detachable Wire Wheels with Wellbase Rims fitted with Triple Block Tyres for test. I confirm mine Wd5/NJ28.9.25. Since writing that… | ||
| Scan014 | Disadvantages of using artillery wheels due to their weight and lack of strength. | ||
| View original record | To CJ. from R. c. to BJ. BY. c. to Hs. PN. x 3809 R1/M24.10.25. RE. ARTILLERY WHEELS. X.4586 X.3809 Replying to your CJ3/E21.10.25., I agree to artillery wheels being used where the owners insist upon… | ||
| Scan015 | Confirmation of Dunlop supplying detachable wire wheels and tyres for testing on a 40/50 HP chassis. | ||
| View original record | Hs.from Wd. V3809 Wd3/NJ26.10.25. The Dunlop Rubber Co.Ltd. Dunlop Detachable Wire Wheels with Wellbase Rims fitted with Triple Block Types for Test. I confirm mine Wd4/NJ22.10.25. We are now in… | ||
| Scan016 | Letter to Dunlop regarding the standardisation of wheel rims and tyre compatibility. | ||
| View original record | Y3809 Expl: Dept: 31st. Oct. 1925. Hs/RmL/LG. Messrs. The Dunlop Rubber Co., Fort Dunlop, Erdington, Birmingham. Dear Sirs, For the attention of Mr. Pauli. Research Section. With reference to your 21… | ||
| Scan017 | Request for an opinion on the testing of 6 inch high-pressure Dunlop tyres for Lord Montagu. | ||
| View original record | S/W Hs. X5809 C6/B6.12.25. Lord Montagu has asked if we will advise him what we think of the 6" tyres we are testing - Dunlops have apparently informed him that we are testing them and I presume he is… | ||
| Scan018 | Tyre options from Dunlop and Michelin, and arrangements for a car in France. | ||
| View original record | S.H. 493a (50 H) (D.D. 31, 12-6-25) J.H.D. EXPERIMENTAL REPORT. Expl. No. X.3809 REF Hs/Rm1/LG61125 To C.J. } FROM Hs/Rm. To R. } Hs. absent. RE. RIMS AND TYRES. 44050 X.3809 With reference to… | ||
| Scan019 | Letter from Dunlop Rubber Co. Ltd. regarding the market dominance of 21-inch rims for low-pressure tyres. | ||
| View original record | C O P Y. The Dunlop Rubber Co. Ltd., Fort Dunlop, Erdington, Birmingham. 5th. Nov. 1925. Messrs. Rolls-Royce Ltd., Derby. For the attention of Mr. W.A. Robotham. Dear Sirs, We are in receipt of yours… | ||
| Scan020 | Decision to use standard rims and tyres instead of a special Dunlop model due to availability issues for foreign markets. | ||
| View original record | X3809 To the Experimental Dept. From CJ. Re Rims and Tyres. CJ7/E5/11/25 The following is an extract from a letter written by me to R:- 'With reference to your suggestion that we should do all 'in our… | ||
| Scan021 | Specification sheet detailing the weights of Dunlop standard and well-base wheels for the Goshawk model. | ||
| View original record | Y3809 19.11.25. Dunlop standard (Goshawk) unbalanced. Wheel 32 X 4 1/2 38 1/2 lbs. Cover 32 X 4 1/2 26 1/2 lbs. Tube. " 3 lbs. 13 ozs. Fitted complete 68 lbs. 13 ozs. Dunlop well-base - Goshawk… | ||
| Scan022 | Specification sheet detailing the weights of Dunlop standard and wheelbase wheel assemblies for the 40/50 HP model. | ||
| View original record | X3809 19.11.25. +4050 Dunlop standard 40/50 HP. Wheel 32 X 4½ 43 lbs. } Fitted complete Cover 33 X 5 38 lbs. } 86 lbs. Tube 33 X 5 5 lbs. } Dunlop wheel base wheel rim 21". Cover wired edge type 29… | ||
| Scan023 | Follow-up request for information regarding high-pressure tyres on well-base rims for Lord Montagu. | ||
| View original record | S/W Hs. X308 (crossed out) X3809 C2/C30.11.25. Re Lord Montagu - 6" Tyres. Further to my C6/B6.11.25, can you now give me any information in regard to the high pressure tyres on well-base rims? C. | ||
| Scan024 | Internal query regarding tests, results, and customer advice for Dunlop Tyres and Well-base Rims. | ||
| View original record | S/W X.3809 C2/C13.1.26. Dunlop Tyres and Well-base Rims. ------ Will you kindly let us know:- 1. What tests have been made with the above; 2. With what results; 3. What we should inform customers who… | ||
| Scan025 | Providing feedback on the testing and performance of well-base rims and tyres. | ||
| View original record | C O P Y. X3809 To C. from Hs. Copy to B.T. 11.2.26 Hs2/LG14.1.26. WELL BASE RIMS AND TYRES. C2/C13.1.26. The replies to your questions are as follows :- (1) We were about to start a 10,000 miles test… | ||
| Scan026 | Replying to questions regarding the performance, testing, and future standardization of Dunlop tyres and well-base rims. | ||
| View original record | To C. from Hs. c to B.S. V3809 Hs2/LG14.1.26. DUNLOP TYRES - WELL BASE RIMS. V3809 C2/C13.1.26. The replies to your questions are as follows :- (1) We were about to start a 10,000 miles test with a… | ||
| Scan027 | Letter to Dunlop Rubber Co. providing feedback on the performance of well base wheels and tyres, noting issues with tread noise. | ||
| View original record | X3809 Expl: Dept: HS6/LG. 25th. Jan.1926. Messrs. The Dunlop Rubber Co., Fort Dunlop, Erdington, Birmingham. Dear Sirs, For the attention of Mr. Paull. Development Supt. WELL BASE WHEELS AND TYRES:… | ||
| Scan028 | The performance of Dunlop Cord well base wheels and tyres on an 8-EX car. | ||
| View original record | not sent out 8-EX CAR. REPORT ON WELL BASE WHEELS AND TYRES. X3809 X8940a Dunlop Cord 6" for 21" rims. These tyres were fitted to 8-EX chassis with limousine body. The total weight of car during the… | ||
| Scan029 | The condition of tyres and wheels, detailing punctures, mileage, wear, and a broken spoke. | ||
| View original record | contd :- -2- We have had both rear and front tyres punctured but in neither case was there any trouble with the tyres coming off the rims. The total mileage of the tyres up to date are :- Rear O.S.… | ||
| Scan030 | Letter to The Dunlop Rubber Co. regarding the performance of well base tyres and rims, highlighting noise issues with a new tread. | ||
| View original record | Y3809 Expl: Dept: Hsl/LG. 9th. Feb. 1926. The Dunlop Rubber Co., Fort Dunlop, Erdington, Birmingham. Dear Sirs, For the attention of Mr. Paull. Development Supt. WELL BASE TYRES AND RIMS. Mr. Royce is… | ||
| Scan031 | The subject of high-speed steering wobbles in vehicles. | ||
| View original record | Expl: Report. Expl.No. 457 Ref. Hs/Bn2/LG9.2.26. X38-09 3809 To R. from Hs/Bn. c. to CJ. BJ. c. to RG. BY. c. to DA. BY. c. to Wor. HIGH SPEED WOBBLES. We believe that the extent of the variations… | ||
| Scan032 | Continued report discussing vehicle 'shimmy' or 'wobble' issues, particularly concerning new well base tyres. | ||
| View original record | contd :- -2- when passing a verdict on any alteration liable to affect 'shimmy'. While we have not the slightest doubt that it is possible for a car to be fitted with the new well base tyre at 35… | ||
| Scan033 | The unsatisfactory testing of well-base rims and tyres, advising against fitting them due to the risk of high-speed wobbles. | ||
| View original record | Y3809 To C. from BJ. Copies to.. Hs. PN. OWB. H. Cx. Sg. WELL-BASE RIMS AND TYRES. I attach a copy of Hs/Rm3/ZG9.2.26. Under the circumstances it is advisable that we should now inform customers that… | ||
| Scan034 | The effectiveness of hydraulic shock absorbers in eliminating high-speed steering wobbles. | ||
| View original record | COPY OF EXPERIMENTAL REPORT. REFERENCE Hs/RM3/LG9.2.26. R.H. HYDRAULIC SHOCK ABSORBERS. We have carried out a series of tests to determine the benefit we are likely to obtain from the new R.H.… | ||
| Scan035 | Letter from Dunlop discussing the noise produced by their non-skidding tyres. | ||
| View original record | Telegraphic Address. 'DUNLOPS, BIRMINGHAM' Telephone No. BIRMINGHAM CENTRAL 4108. PRIVATE BRANCH EXCHANGE. 25 LINES. Registered Offices, DUNLOP HOUSE, 1, ALBANY ST. LONDON, N.W.1. BY APPOINTMENT… | ||
| Scan036 | Cancellation of supplying well base rims and tyres due to front wheel wobble issues. | ||
| View original record | To Hs. from BJ. BJ3/H17.2.26. X3809 WELL BASE RIMS AND TYRES. We were discussing Hs/mmg/LG9.2.26 (headed K.M. Hydraulic Shock Absorbers) at the Sales Conference yesterday, and one of those present… | ||
| Scan037 | Standardisation of well base wheels and tyres, addressing issues like high-speed steering wobble and tyre noise. | ||
| View original record | To BJ. from Hs. c. to BY. c. to FN. c. to CWB. c. to KP. X3809 Hs2/LG19.2.26. WELL BASE WHEELS AND TYRES. Mr. Royce, in a recent memo., recommended that well base wheels and tyres should be… | ||
| Scan038 | Letter from Dunlop Rubber Co. regarding tyre noise and the non-skidding effect of different tread designs. | ||
| View original record | C O P Y. The Dunlop Rubber Co., Fort Dunlop, Erdington, Birmingham. 16th. Feb. 1926. Messrs. Rolls-Royce Ltd., Derby. Dear Sirs, For the attention of Mr. Hives. I thank you for your letter of the 9th.… | ||
| Scan039 | Comparative tests for high-speed steering wobbles using new well base rims and non-skid tyres. | ||
| View original record | File 43809 Hs/Rm2/LG20.2.26. HIGH SPEED STEERING WOBBLES. 457 Careful comparative tests of the high pressure well base rim and tyre with the new non-skid tread demonstrate that this tyre is definitely… | ||
| Scan040 | Different tyre sizes and their impact on wheel wobble tests. | ||
| View original record | To BJ. from Hs. c. to EY. c. to Wor. V3809 Hs1/LGE2. 2. 26. V3809 V235 WELL BASE WHEELS AND TYRES. With reference to BJ3/E17.2.26. We believe a certain amount of the confusion has arisen because we… | ||
| Scan041 | From the Experimental Department regarding well-base tyres, rims, and hydraulic dampers in relation to wheel wobble on the Phantom. | ||
| View original record | contd :- -2- differentiated between these different section tyres, but we realise it is difficult to follow unless one knows the whole history of the problem. The Expl: Dept's present views on well… | ||
| Scan042 | Meeting with Dunlop to discuss issues with noisy tyres, front wheel wobble, and the price of wheels. | ||
| View original record | To Hs. from BJ. Copies to Wor. By. Roy. U. X3809 BJ1/H23.2.26. (Dictated 22nd). DUNLOP WHEELS AND TYRES. To-day Roy. and I met Sir George Beharrell, Mr. Kenwood and Col. Matthew of the Dunlop Company.… | ||
| Scan043 | Blueprint comparing specifications of various Dunlop tyres and well base wheels. | ||
| View original record | Handwritten References: X5509, X5725 Left Tyre Diagram: Pressure: 20 LBS / ☐" Size: 7.30 x 34." Dimension Table: A: 8.0" B: 8.8" C: 112.5" Center Tyre Diagram: Pressure: 30 LBS / ☐" Size: 6.75 x 33."… | ||
| Scan044 | Letter to The Dunlop Rubber Co. Ltd. regarding results of tyre observations and arranging a visit. | ||
| View original record | Copy for Hs (Experimental) X3809 Ref: ROY2/MG5.3.26 Your Ref: Dev.Dept. LHS/GMB March 5th,1926 Messrs. The Dunlop Rubber Co.Ltd. Fort Dunlop ERDINGTON Birmingham Dear Sirs, We have your letter of the… | ||
| Scan045 | Standardisation of oil hydraulic shock dampers and the consequential arrangements with Dunlop Co. for wheel supply. | ||
| View original record | X.3809 Hs. from BY. BY8/H 15.3.26. OIL HYDRAULIC SHOCK DAMPERS. X.235 I am not wanting to worry you unnecessarily on the above matter, but I would just like to remind you that as soon as you see a way… | ||
| Scan046 | Visit to Dunlop to discuss their triple stud tread tyres, focusing on noise and wear characteristics. | ||
| View original record | Expl: Report. Expl: No. X3809 Hs/Rm3/LG15.3.26. To R. from Hs/Rm. c. to CJ. BJ. c. to RG. E. c. to DA. BY. c. to Wor. TYRES. X485 We recently visited Messrs. Dunlop and discussed with Mr. Paull well… | ||
| Scan047 | Comparison of different tyre types, their construction, and performance characteristics for 40/50 HP and 20 HP models. | ||
| View original record | contd :- -2- it was apparent that the triple stud is a flatter tread, and so the edges get worn almost as quickly as the centre. The traction tread edges, however, do not normally do very much work… | ||
| Scan048 | Tyre performance, comparing different types regarding comfort and high-speed wobble. | ||
| View original record | contd :- -3- | Well base tyres. | 40/50 HP. | 20 HP. | |-------------------------------|-------------------|-------------------| | Semi-balloon size. | 6.75 X 33 | 6" X 33 | | Oversize medium pressure… | ||
| Scan049 | Proposing a 10,000-mile test for Dunlop tyres and arranging for their procurement in France. | ||
| View original record | To Wd. from Hs. X3809 Hs7/LGI 8.3.26. DUNLOP TYRES. X3809 X5820a We propose running a 10,000 miles test with a 20 HP. car fitted with wheel base wheels and 5¼" dia. tyres. Will you please ascertain… | ||
| Scan050 | Internal memorandum discussing tyre choices and proposing a switch to larger, lower-pressure tyres to improve ride comfort and compete with other manufacturers. | ||
| View original record | Hs. To DA. } FROM R. LE CANADEL. BY. c. to CJ. BJ. c. to E. RG. X3809 R1/M24.3.26. PHANTOM & INDIA TYRES - re. X.4565 X.8820 Hs/Rm/15.3.26. X.3809 X.5820 X.8410 I have said previously that we shall be… | ||
| Scan051 | The adoption of wheels with well base rims and production scheduling with the Dunlop Company. | ||
| View original record | Y3809 HS. C. CHASSIS. RE WHEELS WITH WELL BASE RIMS. AS a result of the dicussion which took place after R's note pushing the adoption of well base rims at as early a date as possible, asking us to… | ||
| Scan052 | Letter discussing discrepancies in Dunlop's blueprints for well-base rims and their impact on wheel offset and wobble. | ||
| View original record | Y3609 HS. BYS/H. 22.4.26. WHEELS WITH WELL BASE RIMS. We recently obtained blueprints from the Dunlop Company, of their proposals for the well base rims, medium pressure tyre type. We find that these… | ||
| Scan053 | 10,000-mile test on 20 HP low-pressure tyres on well-base rims. | ||
| View original record | X3809 S/W C12/C23.4.26. 20 h.p.Low Pressure Tyres on well-base Rims. HS2/LG22.4.26. I note these are on a 10,000 miles test. I shall be glad if you will please let me know immediately you are able to… | ||
| Scan054 | Query about the standardisation sheet for semi-low pressure tyres on well-base wheels, as a chassis is being held up. | ||
| View original record | S/W Hs. X3809 012/020.4.26 .Re Semi-Low Pressure Tyres on Well-base Wheels. Will you please let me know if the Standardisation Sheet for the above has yet been circularised as, in respect of one or… | ||
| Scan055 | Standardisation of well base wheels and tyres for the 20 HP model after road testing. | ||
| View original record | To BY. from Hs. X3809 Hs3/LG22. 4. 26. CHASSIS - WHEELS WITH WELL BASE RIMS. X3809 X5066 We expect to send a standardisation sheet round for the well base wheels and tyres for the 20 HP. in a few days… | ||
| Scan056 | 10,000-mile test of 20 HP low pressure tyres on well base rims. | ||
| View original record | W/S. C. from Hs. X3809 Hs2/LG22.4.26. 20 HP. Low Pressure Tyres on Well Base Rims. X3809 X58409 At the present time we have a 20 HP. car running a 10,000 miles test in France fitted with these wheels… | ||
| Scan057 | Implementation of well-base rims on the 20 HP and 40/50 HP chassis. | ||
| View original record | V3809 c. Hs. BYB/H. 28.4.26. ROAD WHEELS FITTED WITH WELL-BASE RIMS. Referring to Wd1/NJ.24.3.26. and Wd13/NJ.19.4.26. we have been closely in touch with Hs. since the original memo referred to was… | ||
| Scan058 | High-speed wobbles experienced with well-base rims and medium pressure tyres, comparing the 20 HP and 40/50 HP models. | ||
| View original record | - 2 - BY5/H. 28.4.25. high speed wobbles when well-base rims with medium pressure tyres are fitted, hence the possibilities of the 20 HP. are very much more hopeful than the 40/50 HP. and in the 20… | ||
| Scan059 | Telephone message from Dunlop Co. regarding difficulties in manufacturing wire wheels with wellbase rims. | ||
| View original record | By. from Wd. c.to Hs. V3809 Wd6/NJ4.5.26. Wire Wheels with Wellbase Rims. Referring to By/C26/G23.4.26, we are this morning in receipt of a telephone message from the Dunlop Co., Fort Dunlop, giving… | ||
| Scan060 | Measurements and standards for wire wheels with well-base rims for 20 HP and 40/50 HP chassis. | ||
| View original record | c. to Hs. 43809 BY/G10/G.6.5.26. WIRE WHEELS WITH WELL-BASE RIMS. ----------------------------- With reference to Wd6/NJ4.5.26, we have now been able to take measurements of the wire wheels with… | ||
| Scan061 | Blueprint comparing dimensions and load ratings for four different tyre types and sizes. | ||
| View original record | X3805 (X4685) 6.64" 16.15" EFFECTIVE RADIUS LOAD 15 1/2 CWTS AT 37 LBS/SQ. INCH. 17 3/8 CWTS AT 41 LBS/SQ. INCH. 35" DIA 66.17" CIRC. 21.065" DIA 33" x 6.75" BALLOON TYRE ON 5" x 21" RIM 6.12" 15.65"… | ||
| Scan062 | Blank page with a Print Room ink stamp. | ||
| View original record | ROLLS-ROYCE, LIMITED PRINT ROOM 14 MAY 26 DERBY | ||
| Scan063 | Standardisation of chassis parts, specifically well base rims and 5 1/4' tyres. | ||
| View original record | RR 755 (10H) (DB130 12-9-24) MS 301225 Y3809 COMPLETED 28.5.26 STANDARDISATION of CHASSIS PARTS. Date 4.5.26 X No. 3809 Description of Parts WELL BASE RIMS AND 5 1/4" TYRES. Origin. To improve riding.… | ||
| Scan064 | Correction notice from Dunlop regarding the classification and description of certain tyres. | ||
| View original record | By, from Wd. c.to [REDACTED] c.to Mx. c.to Hs. c.to [REDACTED] X3809 Wd7/NJ1.6.26. Dunlop Rubber Co.Ltd. Dunlop Detachable Wire Wheels with Wellbase Rims. With mine Wd3/NJ1.10.25 I sent By, Hs, & Ms.… | ||
| Scan065 | Standardisation Sheet No.3809, confirming the safety of fitting low-pressure tyres to 20 HP cars without hydraulic dampers. | ||
| View original record | X3809 To Hs. from BJ. Copy to PN. Hydraulic Dampers. 20 HP. BJ1/E9/6/26 With further reference to my BJ2/E8/6/26, I notice that on Standardisation Sheet No.3809 concerning the well base rims and tyres… | ||
| Scan066 | Essential need for hydraulic dampers on the 20 HP model to prevent high-speed wobbles. | ||
| View original record | To BJ. from Hs. C. to Wor. X3809 Hs2/LG11.6.26. X235 HYDRAULIC DAMPERS. Replying to BJ2/ES.8.6.26 and BJ1/E9.6.26. In our opinion the hydraulic dampers are an essential improvement on the 20 HP. When… | ||
| Scan067 | Continued memorandum regarding the adoption of a standardisation sheet by company engineers. | ||
| View original record | contd :- -2- engineers of the Company have signed the standardisation sheet without comment and they are the people who know all the reasons for their adoption, is sufficient proof that they are… | ||
| Scan068 | Supply and types of wheels for the Phantom model, including timelines for shock dampers. | ||
| View original record | X8809 RECEIVED No. BY3/H. 1.7.26. c. Hs. PHANTOM WHEELS. I have discussed the question of wheels with Hs. but at the present moment he is not in a position to decide in favour of the use of well-base… | ||
| Scan069 | Choice of wheel and tyre type for the 40/50 HP chassis. | ||
| View original record | U.W. X3808 Hs. BY7/H. 8.7.26. 40/50 HP. CHASSIS. TYPE OF WHEEL. We have arrived at a point when we must make up our minds what type of wheel we must order for the next month's delivery. The Works… | ||
| Scan070 | Replacing wire wheels with well-base rims on Chassis 12-EX due to them fouling the brake drums. | ||
| View original record | To Hs. X3809 BY/Cgh6/DB.20.7.26. Re Chassis 12-EX - Wire Wheels with well-base Rims. With reference to the difficulty you have experienced due to the spokes of the wire wheels with well-base rims when… | ||
| Scan071 | Request to obtain Dunlop tyres for tests on a 12-EX car in France. | ||
| View original record | X3809 To Wd. from Hs/Rn. Hs/Rn2/LG20.8.26. 12-EX CAR - TYRES. X7940 We wish to obtain 2 Dunlop 6" well base traction tread tyres for 31" rims for our tests in France. If these tyres are not available… | ||
| Scan072 | Standardisation of wheels with well base rims and 6.75 inch tyres. | ||
| View original record | RR 755 (10H) (DB130 12-9-24) MS 301225 STANDARDISATION of CHASSIS PARTS. COMPLETED 18.9.26. Date 6.9.26 No. 3809 Description of Parts WHEELS WITH WELL BASE RIMS AND 6.75" TYRES. Origin. To improve… | ||
| Scan073 | The change from Traction Tread to a new triple stud pattern for 6.75' Dunlop tyres, noting performance issues and further modifications. | ||
| View original record | [Crossed out text] To Sir H.R. from Hs.Rm. c.c. Mr Hives. [End of crossed out text] V3909 Hs/Rm/T21.9.26. 44565 F4050 40/50 6.75" TYRES. In spite of the fact that the 6.75" Traction Tread Tyres which… | ||
| Scan074 | High-speed wobble issues with well-based wheels and collaboration with Dunlop for improved tyre tests. | ||
| View original record | Contd. -2- Hs/RdL/T21.9.26. obsolete. We therefore have no tyre we can fit on the well based wheels at the moment. As a result of our somewhat unfortunate position, we have endeavoured to impress upon… | ||
| Scan075 | Clarifying the cost calculations for wheels, tyres, and hubs detailed in Standardisation Sheet No. X.3809. | ||
| View original record | W/S (C) c. to Hs c. to Roy Handwritten: X3809 My/Rb.2/139A/BJ.29.9.26. Handwritten: X 3809 Handwritten: 1-30 Handwritten: 30/9/26 Re: Standardisation Sheet No. X. 3809. C.11/C.24.9.26. When we sent… | ||
| Scan076 | Confirming a car will be sent to Derby to be fitted with hydraulic dampers, well-base wheels, and new tyres. | ||
| View original record | To CWB. from Hs/Rn. X3809 Hs/Rn5/LG8.10.26 X235 This is to confirm our telephonic conversation that, if you have not a Sales covered car fitted with hydraulic dampers you will send one up to Derby and… | ||
| Scan077 | Exchange of wheels and tyres for specific test vehicles. | ||
| View original record | W/S. To Sg/Bk, from Hs/AJL. K3809 Hs/AJL/LG14.10.26. RE. 88-LC - TRIALS SALOON. K8950 With reference to Sg/Bk7/LH13.10.26. We are despatching the six wheels and tyres, belonging to the above car, to… | ||
| Scan078 | Collection of six well base wheels off car 88-LC. | ||
| View original record | X3809 W/S. To Bk. from Hs/AJL. Hs/AJL1/LG18.10.26. RE. 88-LC - TRIALS SALOON. X8950 Thank you for your PN/Bk3/LH15.10.26. We are arranging to send a car down to collect the six well base wheels off… | ||
| Scan079 | Further tests on well base wheels for the 88-LC Trials Saloon and Mr. Royce's car. | ||
| View original record | S to W Hs/AJL X3809 Sg/Bk8/LH191026 re 88-LC - Trials Saloon With reference to your Hs/AJL1/LH181026., B.J. has instructed that a further test of the six well base wheels shall be carried out, but as… | ||
| Scan080 | Standardization of tyres, rims, and front axle for the Phantom C.2 Series. | ||
| View original record | X 3889 BY2/H. 21.10.26. C. Hs. PHANTOM - C.2. SERIES. --------------------- In view of the fact that we have received a standardization Sheet signed up by everybody with the exception of PN.,we are… | ||
| Scan081 | The transition from standard wheels to well-base rims and balloon tyres, and the policy for using up old stock. | ||
| View original record | Hs OCT 26 1925 Wa. Hs. C&S. X3809 BY15/H. 25.10.25. RECEIVED As a result of running the present standard type of chassis with wheels fitted with well base rims and balloon tyres 33 x 6.75", it has… | ||
| Scan082 | Order of six traction tread tyres from Messrs. Dunlops. | ||
| View original record | X3809 To Wd/Ms. from Hs. Hs2/LG11.11.26. X4565 Please order from Messrs. Dunlops :- Six 6.75 traction tread well base tyres for 21" rims. Hs. | ||
| Scan083 | Joint position on inner tubes supplied by the Dunlop Co. for wire wheels with wellbase rims. | ||
| View original record | Hs X3809 By from Wd. c.to Hs. c.to Ms. NOV 29 1926 Wd10/NJ29.11.26. Wire Wheels with Wellbase Rims. Referring to By16/H25.11.26 drawing attention to the fact that the Dunlop Co. have recently sent us… | ||
| Scan084 | The joint position on inner tubes for Phantom wire wheels with well base rims. | ||
| View original record | X3809 Wd. Hr. C. Hs. BY7/H. 30.11.26. Hs RECEIVED 1 DEC 1926 WIRE WHEELS WITH WELL BASE RIMS - PHANTOM. --------------------------------------- We note that as a result of our taking up the question… | ||
| Scan085 | Supply and standardisation of well base rims and medium pressure tyres for a Phantom chassis. | ||
| View original record | W/S O. OES. JLE. e.BY. c. Hs. X3809 re. 43-WO. EP. is absent. The specification of the above chassis calls for well base rims with medium pressure tyres. Owing to these not being available,… | ||
| Scan086 | Standardisation of 6.75' traction tread well base rims on the old type axle to increase riding comfort. | ||
| View original record | RR 795 REVISED (10H) (DE444 6-10-26) BM. j3809. COMPLETED 17.12.26 STANDARDISATION of CHASSIS PARTS. Date: 29.11.26 X No. 3809/4565 Drawing No. Part List Description of Parts: 6.75" TRACTION TREAD… | ||
| Scan087 | Standardisation sheet for 6.75 traction well base wheels and tyres with costings and conditions of application. | ||
| View original record | To Hs. from My/Rb. C O P Y. My/Rb18/N/139A/BJ101226. STANDARDISATION SHEET X.3809 X.4565 Returned herewith is std. sheet for 6.75 traction well base wheels and tyres, with cost filled in. Please note,… | ||
| Scan088 | Internal order for six Dunlop outer covers and six inner tubes for a 20 HP car, chassis 10-G-111. | ||
| View original record | To Roy/Ms. from Hs. V3809 Hs1/LG27.8.27. X4050 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. | ||
| Scan089 | Letter to The Dunlop Rubber Co. postponing a demonstration of well base rims and tyres due to the Olympia Show. | ||
| View original record | 43809 Expl: Dept: HS9/LG. 21st. Oct. 1927. Messrs. The Dunlop Rubber Co., Fort Dunlop, Erdington, Birmingham. Dear Sirs, For the attention of Col. Matthews. We regret that owing to the Olympia Show… | ||
| Scan090 | Letter to The Dunlop Rubber Co. arranging a meeting at Fort Dunlop. | ||
| View original record | X3809 Expl: Dept: Hs/RmL/LG. 26th. Oct. 1927, Messrs. The Dunlop Rubber Co., Fort Dunlop, Erdington, Birmingham. Dear Sirs, For the attention of Col. Matthews. With reference to your letter of the… | ||
| Scan091 | Tests to ascertain if standard balloon tyres leave the well base rim when deflated. | ||
| View original record | To R. from Hs/Rm. c. to BJ. Wor. c. to E. DA. c. to BY. EP. c. to MX. Hm. c. to OY. X3809 Hs/Rm/LG29.10.27. WELL BASED TYRES LEAVING THE RIM. X4565 We have been making some tests to ascertain whether… | ||
| Scan092 | Tyre and rim experiments, detailing performance during punctures, high-speed cornering, and potential safety modifications. | ||
| View original record | contd :- -2- It very often happens when reversing after a puncture to draw into the road-side. Messrs. Dunlop also demonstrated the fact that a tyre could be burst when rounding a corner at speed… | ||
| Scan093 | Deflation tests performed on large tyres. | ||
| View original record | COPY. Messrs. Dunlop, Test House, Fort Dunlop. 17th. Oct. 1927. DEFLATION TESTS ON LARGE TYRES. (1) A 33 X 6.75 balloon tyre was fitted to a 5 X 21 w.b. rim on an E2. wire wheel using standard rim… | ||
| Scan094 | 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. X3809 Hs/AJL1/LG17.11.27. TYRE MILEAGE. X4050 X9565 We have now used well base wheels and low pressure tyres sufficiently long to be able to give a fair average life… | ||
| Scan095 | And comparing the mileage and wear of different tyre types. | ||
| View original record | c. from CWB. c. to Hs. c. to FN. X3809 CWB7/CP28.11.27. re. Tyre Mileage. The figures of Hs/AJL1/LG17.11.27. are not in accordance with our experience so far of wellbase wheels and low pressure tyres… | ||
| Scan096 | List detailing the weights of various wheel and tyre combinations for a 20 HP model. | ||
| View original record | +3809 19.8.28 WEIGHT. 20 HP: WHEEL AND TYRE. X.5810 X.4050 -------------------- X.5820 X.3725 (1) Dunlop 21" well base wheel fitted with 33 X 5.25" tyres. 60 lbs. (2) Dunlop 21" well base wheel fitted… | ||
| Scan097 | Carburetter options and procurement for the Eagle 16 engine. | ||
| View original record | To BY. from E. c. to CJ. RG. Hs: X. 3820 E1/M9.11.25 E.16 CARBURETTERS. Regarding the carburetters for Eagle 16. Mr. Royce does not intend to make a special design yet, until we have tested the… | ||
| Scan098 | Mr. Royce's instructions for testing the RR. E.16 engine without a supercharger, including alternative damping and carburetion methods. | ||
| View original record | To BY. from E. c. to CJ. RG. Hs. 43826 E2/M11.12.25. RR. E.16. X.4114 X.4550 X.3820 With regard to testing RR. E.16. would you kindly note Mr. Royce wishes to start running this engine without the… | ||
| Scan099 | Continued memo discussing temporary instruments and the aim of running an engine without the supercharger. | ||
| View original record | contd :- -2- and they are therefore not suitable for the temporary instruments proposed. At the moment we have no further instructions to transmit concerning this particular matter, but will raise the… | ||
| Scan100 | Reminder about a proposal to test an Eagle XVI engine with four carburetters after deleting the supercharger. | ||
| View original record | 43820 HS. BY14/H. 15.12.25. R.R. E.XVI. This is a reminder in connection with the proposal put forward in E2/M.11.12.25. that you were intending to look up four carburetters which could be applied to… | ||
| Scan101 | Two schemes for mounting carburettors and induction pipes on an Eagle 16 engine for bench testing. | ||
| View original record | To RG. from E. c. to CJ. R. c. to HS. BY. x3820 E1/M30.12.25. EAGLE 16. CARBURETTERS AND INDUCTION PIPES FOR BENCH TEST. X.3824 X.4114 X.3820 I have been looking into the above matter and find that it… | ||
| Scan102 | Modifications to the water connections for the Eagle 16 engine. | ||
| View original record | X.3823 E3/M14.11.25. To BY. from E. c. to CJ. RG. Hs. EAGLE 16. WATER CONNECTIONS. We sned heerewith drawing LeC.2164 shewing the remainder of the water connections for Eagle 16., namely those joining… | ||
| Scan103 | Blueprint drawing of induction pipes and engine mounting for the Eagle 16 engine. | ||
| View original record | To BY. from E. c. to CJ. RG. Hs. X3824 E1/M14.11.25. EAGLE 16. X.4114 X.3824 We send herewith a blue print of drawing LeC. 2162 shewing the induction pipes and engine mounting for Eagle 16. You will… | ||
| Scan104 | Two schemes for mounting carburettors and induction pipes for an Eagle 16 engine bench test. | ||
| View original record | To RG. from E. c. to CJ. R. c. to Hs. HY. +3824 E1/M30.12.25. EAGLE 16. CARBURETTERS AND X.3824 INDUCTION PIPES FOR BENCH TEST. X.4114 X.3820 I have been looking into the above matter and find that it… | ||
| Scan105 | Modifications to a cylinder head, specifically the induction pipe flanges and adding reinforcement. | ||
| View original record | To BY. from E. c. to BJ. RG. Hs. (3824 E1/M30.4.26. E.16. CYLINDER HEAD. X.3824 X.4098 In connection with the detailing of design leC.2233., it should be understood that the end flanges of the… | ||
| Scan106 | Outlining a procedure to determine the correct ramming length for an induction pipe to achieve high M.E.P. | ||
| View original record | To Hs. RG. } FROM R. c. to BJ. Wor. BY. X3824 R1/M19.8.26. HIGH M.E.P. RAMMING ETC. X.3824 X.2480 X.2431 X.3828 Assuming a 2 1/2" bore induction pipe, and assuming 2,250 revs., what is the correct… | ||
| Scan107 | Results of a 2-hour acceptance test for an E.XV1 engine, noting power, consumption, and system performance. | ||
| View original record | To R. from Hs/VH. c. to BJ. Wor. c. to RG. E. c. to EY. X8214 HS/VH1/LG14.1.27. E.XV1. Y4114 This engine has completed its 2 hrs. acceptance test for the A.I.D. Silencers were fitted. Speed… | ||
| Scan108 | Dismantling of an engine for A.I.D. inspection and subsequent final acceptance test. | ||
| View original record | contd :- -2- in oil consumptions with this type when we use on F.10. The engine is now being dismantled for A.I.D. inspection, after which it will be rebuilt and submitted to the A.I.D. final… | ||
| Scan109 | Magneto ignition system options and strategy for the Eagle 16 engine. | ||
| View original record | X3825 To EY. from E. c. to RG. c. to HS. E3/M12.11.25. EAGLE 16. MAGNETOS. X.430. ----------------------- In reply to your memo. EY16/H91125., we have only made provision for retarding the rear pair… | ||
| Scan110 | Magneto bracket for the Eagle 16 direct drive, referencing drawing LeC.2171. | ||
| View original record | To HY. from E. c. to CJ. RG. HS. X.3825 E6/M21.11.25. EAGLE 16. MAGNETO BRACKET FOR DIRECT DRIVE. X.3825. We send herewith drawing LeC.2171 giving you particulars of the facings on the direct drive… | ||
| Scan111 | Comparing the weight and performance of an 'Athmos' primer against a standard 'RR' primer. | ||
| View original record | R.R. 493A (50m) (D.B. 175 25-9-24) J.H.D. EXPERIMENTAL REPORT. Expl. No. 73828 REF Hs/TAG/LG10.2.25. To RG. from Hs/TAG. RE. ATHMOS PRIMER. The sample 'Athmos' Primer has been tested as requested… | ||
| Scan112 | The testing and features of the Athmos Primer. | ||
| View original record | R.R. 495A (50m) (D.B. 175 25-9-24) J.H.D. -2- EXPERIMENTAL REPORT. Expl. No. REF: Hs/TAG/LC10.2.25. the petrol 4 ft., whereas, the RR. primer and reservoir are one unit. The Athmos was tested with a… | ||
| Scan113 | The function of a fuel pulverizer and its specifications, including jet size. | ||
| View original record | R.R. 493A (50m) (D.B. 175 25-9-24) J.H.D. -3- EXPERIMENTAL REPORT. Expl. No. REF.HS/TAG/LG10.2.25. the suction when on a delivery stroke and vice-versa, and the third on the filter… | ||
| Scan114 | Urgent request for the results of tests conducted on an Athmos Primer. | ||
| View original record | Hs. Urgent X3828 Rg2/W26.11.25 ATHMOS PRIMER. With reference to Rg6/W17.9.24 and Rg/SFP1/W25.10.24, we should be glad if you would kindly let us know the result of our tests with the above, as London… | ||
| Scan115 | Requesting which engines to fit with newly made priming nozzles for testing. | ||
| View original record | To Re. from RHC. ["Re." is struck through] C. Hs. [Handwritten top center]: X3568 RHC7/BE. 28.10.27. Priming Nozzles for the F.11.Engines have been made to DES 706. Will you please let us know to what… | ||
| Scan116 | On the F.XI engine, noting improvements in slow running but ongoing problems with starting. | ||
| View original record | X3828 To R. from Hs. c. to BJ. Wor. c. to RG. E. c. to BY. Hs1/LG21.11.27. F.XI ENGINE. X3933 We have made a very definite improvement in the slow running of the F.ll engine fitted to the Fairey… | ||
| Scan117 | From AJS to HS requesting an update on the results for RR. E. 16. and plain bearings. | ||
| View original record | TO HS. FROM AJS. X3829 AJS1/M6.11.25. re. RR. E. 16. & PLAIN BEARINGS. We should be very glad to know what your expectations are regarding the result of the above, as referred to in AJS1/M17.10.25.… | ||
| Scan118 | Comparing drip feed and oil pressure fed bearings for the Eagle XVI engine. | ||
| View original record | R.R. 493A (50 H) (D.D. 21. 12-6-25) J.H.U. EXPERIMENTAL REPORT. Expl. No. X3829 REF: Hs/Rm/LG101125. To AJS. from Hs/Rm. EAGLE XVI - BEARINGS. X4114 X3829 With reference to the tests on Eagle plain… | ||
| Scan119 | Describing the design of a direct drive nose, including propeller shaft bearings and casing. | ||
| View original record | COPY FROM AJS. 43829 C. to G.L. HS. RR. E.16. DIRECT DRIVE NOSE. X4114 X.3829 AJS1/M18.11.25. We send herewith drawing LeC.2167. shewing the propeller shaft bearings and direct drive nose casing etc.… | ||
| Scan120 | The failure of pressure and gravity fed Eagle plain bearings during testing. | ||
| View original record | To R: from Hs. c. to CJ. BJ. c. to E. DA. c. to AJS. Wor. /3829 Hs2/LG26.11.25. RE. EAGLE XVI. +4114 With reference to the tests on Eagle Plain Bearings we have now produced failures on both pressure… | ||
| Scan121 | Test report on a gravity-fed floating bearing, detailing failures at high speed and test results under various loads. | ||
| View original record | contd :- -2- It will be observed on the last test that speed of motor fluctuated from 3700 to 3900 r.p.m. GRAVITY FED BEARING. With reference to the gravity fed bearing, we have failed to get any… | ||
| Scan122 | From 'E.' to 'Hs.' requesting clarification on the behaviour of a floating bush for the EAGLE XVI engine. | ||
| View original record | V3829 To Hs. from E. E1/M28.11.25. RE. EAGLE XVI. Z.3829 X.4114 (V3829) X.4116. With reference to your report Hs2/LG26.11.25., it would be interesting to know what is the behaviour of the floating… | ||
| Scan123 | Unexpected bearing failure and outlining further tests for the Eagle XVI engine plain bearings. | ||
| View original record | To Hs. from AJS. c. to CJ. RG. 3829 AJS1/M30.11.25. EAGLE XVI - PLAIN BEARING TESTS. X.4114 X.3829 Referring to your report on the above - Hs2/LG 26.11.25., the failure of the bearing at the revs. and… | ||
| Scan124 | Eagle XVI engine bearings, comparing oils, feed systems, and bush types. | ||
| View original record | R.R. 498A (50 H) (D.D. 31, 17-8-25) J.H.D X3829 EXPERIMENTAL REPORT. Expl. No. REF: Hs4/LG2.12.25. To R. from Hs. c. to CJ. BJ. c. to RG. AJB. c. to E. BY. c. to DA. Wor. RE. EAGLE XVI. BEARINGS.… | ||
| Scan125 | Testing plain whitemetalised bearings for the Eagle XVI engine. | ||
| View original record | EXPERIMENTAL REPORT. Expl. No. REF: NHCS/BE1.12.35. To Hs. from RHC. RE. EAGLE XVI. We have carried out a further series of tests with plain whitemetalised bearings having steel cores. These bearings… | ||
| Scan126 | Page detailing results from the second and third bearing tests, including measurements, temperatures, and a seizure failure. | ||
| View original record | H.R. 493a (50 H) (D.D. 31, 12-6-25) I.H.L. EXPERIMENTAL REPORT. -2- Expt. No. REF: HIC3/BE1.12.25. 2nd. test contd :- Total time bearings had run - 21 hrs. 12 mins. Bearings again examined and… | ||
| Scan127 | Results of thrust tests on a new direct drive nose and thrust bearing, No. 215. | ||
| View original record | To BY. from AJS. c. to CJ. RG. Hs. X3829 AJS2/M4.12.28. RR. E.16. DIRECT DRIVE NOSE AND THRUST BEARING. X.3829 X.3159 The results of the thrust tests on the New Departure bearing No.215 recently made… | ||
| Scan128 | The Eagle XVI thrust bearing. | ||
| View original record | Experimental report. Exptl:No. X3829 Ref. Hs/RHC/LG11.12.25. To R. from Hs/RHC. c. to CJ. BJ. c. to RG. E. c. to DA. AJS. c. to BY. Wor. RE. EAGLE XVI. THRUST BEARING. YS159 In accordance with… | ||
| Scan129 | Eagle XVI engine thrust bearing test. | ||
| View original record | R.R. 483A (50 H) (D.D. 91. 12-6-25) J.H.L. EXPERIMENTAL REPORT. Expl. No. V3829 REF: Hs/Rm2/LG14.12.25 To R. from Hs/RHC. c. to CJ. BJ. c. to RG. AJS. c. to E. BY. c. to Wor. EAGLE XVI. THRUST… | ||
| Scan130 | Successful identification of a double conical thrust bearing and comparing it to a less efficient Curtiss model. | ||
| View original record | To RG. } FROM R. To BY. } c. to CJ. BJ. Hs. c. to E. DA. AJS. X3829 R3/M15.12.25. THRUST BEARINGS. X.3159 X.3829 X.3366 We have evidently found a good thrust bearing in the double conical type like… | ||
| Scan131 | Rough stress curve for the RR. E.XVI. direct drive propeller shaft and requesting modifications to the bore. | ||
| View original record | To BY. from AJS. c. to CJ. RG. c. to Hs. X3829 AJS1/ M21.12.25. RR. E.XVI. DIRECT DRIVE PROPELLER SHAFT. X.4114 X.3829. We send herewith drawing LeC.2185 shewing a rough stress curve for the above… | ||
| Scan132 | Weight and potential modifications of E.16 engine units, specifically the propeller shaft and nose piece. | ||
| View original record | To R. from AJS. c. to CJ. RG. c. to Hs. E. AJS1/M12.1.26. RE. WEIGHTS OF RR. E.16 UNITS. X.2308 X.3829 Referring to thr weight of 42 lbs. for the propeller shaft and nose piece complete with bearings,… | ||
| Scan133 | Successful test of a new departure thrust bearing for the Condor engine, noting a potential weight saving. | ||
| View original record | To R. from Hs. c. to CJ. BJ. c. to RG. E. c. to AJS. BY. c. to Wor. 43829 Hs3/LG2. 2.26. CONDOR - NEW DEPARTURE THRUST BEARING. 43159 43829 Attached is a report on the New Departure thrust bearings.… | ||
| Scan134 | Thrust tests for a new No. 216 bearing intended to replace the existing thrust bearing on the Condor engine. | ||
| View original record | To Hs. from RHC. c. to RG. C O P Y. RHC3/BE26.1.26. RE. THRUST ON NEW DEPARTURE NO. 216 BEARING TO REPLACE THRUST BEARING NOW USED ON CONDOR ENGINE. We have carried out thrust tests on New Departure… | ||
| Scan135 | Comparative weight analysis of a Condor thrust bearing versus a New Departure bearing. | ||
| View original record | CONTD :- -2- COMPARATIVE WEIGHTS OF STANDARD CONDOR THRUST BEARING TO L.O.P. E.25256 AND NEW DEPARTURE BEARING NO.216. Detail weights of actual thrust pieces. Type. Piece No. Description. Weight of 1… | ||
| Scan136 | Progress update on plain bearing experiments with floating bushes and rigid external housing. | ||
| View original record | TO HS. FROM AJS. √3829 AJS1/M8.2.26. PLAIN BEARING EXPERIMENTS. We should be glad to know how the plain bearing experiments referred to in AJS1/M181225., are progressing. These are the ones with… | ||
| Scan137 | Reduction of weight for the RR. E.16 Direct Drive Nose by changing the thrust bearing. | ||
| View original record | TO R. FROM AJS. V3829 AJS1/M11.2.26. C. to CG. RG. " HS. BY. RR. E.16. DIRECT DRIVE NOSE. This dept. has received an instruction from your-self through Mr. Elliott, to reduce the weight of above to… | ||
| Scan138 | Request for individual component weights of a propeller shaft assembly to compare an existing design with a new, lighter one. | ||
| View original record | To Hs/RHC. from AJS. X3829 AJS1/M17.2.26. RR. E.XVI. X.4114 X.3829 X.2308 We are endeavouring to reduce the weight of the propeller shaft, nose, and bearings, for the above engine, and should be glad… | ||
| Scan139 | Redesign modifications for weight reduction on the E.XVI direct drive nose. | ||
| View original record | TO R. & BY. FROM AJS. Copy to CJ. B. RG. HS. ORIGINAL X3829 AJS1/M25.2.26. re. LIGHTENED RR. E.XVI. DIRECT DRIVE NOSE. X3829 With reference to your instructions received through E. for lightening the… | ||
| Scan140 | Design modifications to an engine's aluminium extension, bolts, nose, and coupling for weight and cost reduction. | ||
| View original record | (2) (4) ALUMINIUM EXTENSION. In addition to saving weight as referred to in section 3., by making the aluminium extension serve a double purpose this extension is now unsplit. The possibility of… | ||
| Scan141 | Weight reduction of the RR. E. XVI direct drive nose from 42 lbs to 27.79 lbs. | ||
| View original record | To R. FROM AJS. X3829 Copy to - CJ. RG. BY. HS. re. RR. E. XV1. DIRECT DRIVE NOSE. X3829 Referring to the last para. of our memo. AJS1/M25226., in figuring the weight of the lightened gear we make it… | ||
| Scan142 | From Hs. to AJS. providing an update on delayed bearing tests and initial results. | ||
| View original record | To AJS. from Hs. X3829 Hs15/LG5.3.26. BEARING TESTS. We are very sorry that we have not given you results of the bearing test before. The difficulty has been that we have had no room to keep this test… | ||