Rolls-Royce Archives
| Identifier | Entry | ||
| scan0001 | Letter from Dennis Brothers Ltd to High Duty Alloys Ltd regarding bearings for diesel engines. | ||
| View original record | ALL COMMUNICATIONS TO BE ADDRESSED TO THE FIRM AND NOT INDIVIDUALS TELEGRAMS: DENNIS GUILDFORD TELEPHONE: GUILDFORD 1575 (7 LINES) OUR REF. JM/CS. YOUR REF. ........... Handwritten: 10200 BY… | ||
| scan0002 | Letter from Dennis Bros Ltd to High Duty Alloys Ltd providing engine specifications. | ||
| View original record | ALL COMMUNICATIONS TO BE ADDRESSED TO THE FIRM AND NOT INDIVIDUALS BY APPOINTMENT HEAD OFFICE AND WORKS DENNIS BROS LTD COMMERCIAL VEHICLE AND FIRE ENGINE MANUFACTURERS GUILDFORD SURREY, ENGLAND… | ||
| scan0003 | List of recommended lubricants from various suppliers and a note on adherence to recommendations. | ||
| View original record | -- 2 -- Shell........... (a) Double (b) Single Angloe American.... (a) Essolube 30 (b) Essolube 30 Dicks............. (a) Ilo.MDH (b) Ilo.LDM Duckhams.......... (a) RJ (b) BD Vacuum............ (a) A… | ||
| scan0004 | Letter to Messrs. Dennis Bros. Ltd. regarding a visit, production of bearings, and connecting rod cap drawings. | ||
| View original record | 1020~ Rm/Mths.4/MH. Messrs. Dennis Bros. Ltd., Guildford, Surrey. 5th. November 1937. For the attention of Mr. J. Milne. Dear Sirs, With reference to the writer's visit to your works on the 3rd.… | ||
| scan0005 | Visit to Messrs. Dennis Bros. Ltd. in Guildford regarding the supply of bearings for a 6 1/2-litre, 4-cylinder oil engine. | ||
| View original record | Es. from Rm/Mths. 1020a c. By. c. Da. c. Lr. c. HPS. c. Rm/Std. Rm/Mthel/R.10.11.37. REPORT ON VISIT TO MESSRS. DENNIS BROS.LTD.(GUILDFORD) This visit was made along with Mr. Perry of High Duty… | ||
| scan0006 | Engine performance data, bearing issues, and combustion chamber clearances. | ||
| View original record | -2- (c) Rpm = 1800. (d) Engine is of open combustion chamber type with sunk head pistons and is supercharged by an exhaust driven centrifugal blower. (e) The maximum BMEP. is 140 lbs square inch. (b)… | ||
| scan0007 | Engine performance, supercharger details, and methods for controlling oil consumption and bore wear. | ||
| View original record | -3- although the general noise level was, of course, rather high. The engine at the time was running at 1,500 r.p.m. developing 127 B.M.E.P. and full consumption .338 pts/BHP/Hr, there was no smoke… | ||
| scan0008 | Engine materials, cooling systems, equipment, and an agreement to supply experimental bearings to Dennis. | ||
| View original record | -4- Rm/Mths.1/R.10.11.37. So far the best material they had for wear is "White" iron, but it presents considerable difficulties of course in machining. The only way they managed to use it was to fit a… | ||
| scan0009 | Request to prepare centrifugally cast bearings for Dennis Bearings and provide a cost estimate. | ||
| View original record | HPS. 1020a Rm/Mths.10/JH.15.11.37. Dennis Bearings. Will you please prepare bearings in centrifugally cast AC.6 alloy to the attached drawings BV.128-4-30-31 as soon as possible. Will you please let… | ||
| scan0010 | Letter to Dennis Bros. Ltd. regarding the production and testing of aluminium-tin bearings. | ||
| View original record | + 1020a Dennis Section Rm/Mths.4/MH. Messrs. Dennis Bros. Ltd., Guildford, Surrey. 18th. November 1937. For the attention of Mr. J.Milne. Dear Sirs, With further reference to the Aluminium-tin… | ||
| scan0011 | The production of bearings for Dennis Bros. using a specific alloy and drawing. | ||
| View original record | To HPS. from Rm/Mths. K1020a Rm/Mths.5/MH.18.11.37. DENNIS BEARINGS. Will you please produce bearings in centrifugally cast AC.6 alloy to the attached drawing BV.128. Messrs. Dennis Bros. are to… | ||
| scan0012 | Suitability of aluminium bearing alloys versus hardened or nitriding steel for crankshafts. | ||
| View original record | 1020a? Hs. [crossed out] Rm. RM/Mths. [crossed out] BY.7/G.18.11.37. DENNIS Co. ALUMINIUM BEARING ALLOYS. Rm/Mths.1/R.10.11.37. There is no reference to the material from which crankshaft is made. I… | ||
| scan0013 | Production method for Dennis Bearings, changing from the centrifugal process back to production from billets. | ||
| View original record | 1020a Dennis Section To HPS. from Rm/Mths. Rm/Mths.8/MH.23.11.37. DENNIS BEARINGS. With reference to our memo Rm/Mths.5/MH.18.11.37 will you please produce these bearings from billets in the normal… | ||
| scan0014 | Letter from Dennis Bros Ltd apologising for a delay in reply due to the Motor Show and a shortage of connecting rod stampings. | ||
| View original record | ALL COMMUNICATIONS TO BE ADDRESSED TO THE FIRM AND NOT INDIVIDUALS TELEGRAMS: DENNIS GUILDFORD TELEPHONE: GUILDFORD 1575 (7 LINES) OUR REF. JM/CS. YOUR REF. RM/MTHS/14/MH. 1020a BY APPOINTMENT DENNIS… | ||
| scan0015 | Letter to Messrs. Dennis Bros. Ltd. acknowledging the dispatch of connecting rods. | ||
| View original record | X 1020a Rm/Mths.1/MH. Messrs. Dennis Bros. Ltd., Guildford, SURREY. 30th. November 1937. For the attention of Mr. J.Milne. Dear Sirs, We thank you for your letter of the 25th. inst. and note that you… | ||
| scan0016 | Letter from Dennis Brothers Ltd regarding the despatch of 8 'O' type Conn Rods with experimental bearings. | ||
| View original record | ALL COMMUNICATIONS TO BE ADDRESSED TO THE FIRM AND NOT INDIVIDUALS BY APPOINTMENT HEAD OFFICE AND WORKS DENNIS BROS LTD COMMERCIAL VEHICLE AND FIRE ENGINE MANUFACTURERS GUILDFORD SURREY. ENGLAND.… | ||
| scan0017 | Letter from Dennis Bros Ltd regarding the supply and testing of experimental connecting rods and bearings. | ||
| View original record | ALL COMMUNICATIONS TO BE ADDRESSED TO THE FIRM AND NOT INDIVIDUALS TELEGRAMS: DENNIS GUILDFORD TELEPHONE: GUILDFORD 1575 (7 LINES) OUR REF JM/LCJ. YOUR REF RM/MTHS-4/MH. BY APPOINTMENT DENNIS… | ||
| scan0018 | Letter to Dennis Bros. Ltd. regarding the delivery and recommended clearances for connecting rod bearings. | ||
| View original record | 1020a Rm/Mths.21/JH. 15th December, 1937. Messrs. Dennis Bros. Ltd., Guildford, Surrey. For the attention of Mr.J.Milne. Dear Sirs, We thank you for your letter of the 11th inst. and would state that… | ||
| scan0019 | Letter from Dennis Bros Ltd regarding the delivery and production of special connecting rods and bearings. | ||
| View original record | ALL COMMUNICATIONS TO BE ADDRESSED TO THE FIRM AND NOT INDIVIDUALS TELEGRAMS: DENNIS GUILDFORD TELEPHONE: GUILDFORD 1575 (7 LINES) OUR REF. JM/CS. YOUR REF. RM/MTHS.21/JH. 1020c BY APPOINTMENT HEAD… | ||
| scan0020 | Letter to Messrs. Dennis Bros. Ltd. concerning the dispatch and final boring of connecting rods and bearings. | ||
| View original record | 1020a Rm/Mths.12/MH. 23rd. December 1937. Messrs. Dennis Bros. Ltd., Guildford, SURREY. For the attention of Mr. J.Milne. Dear Sirs, We are despatching your connecting rods complete with bearings by… | ||
| scan0021 | Justifying the machining time expended on Dennis tin alloy bearings. | ||
| View original record | 1020a. To Rm. from HPS. HPS.1/VS.14.1.38. DENNIS BEARINGS. Referring to Rm.4/R.11.1.38, regarding the machining time expended on the tin alloy bearings for the Dennis Company. We agree that the… | ||
| scan0022 | Letter to Messrs Dennis Bros regarding the testing progress of supplied Aluminium-Tin bearings and arranging a visit. | ||
| View original record | 1020a January 24th.1938 Rm/Mths.3/AP. Messrs Dennis Bros, Guildford, SURREY For the attention of Mr.J.Milne. Dear Sirs, With reference to the Aluminium-Tin bearings supplied to you recently, could you… | ||
| scan0023 | Letter from Dennis Brothers Ltd. regarding tests on Aluminium-Tin bearings and a modification to connecting rods. | ||
| View original record | BY APPOINTMENT ALL COMMUNICATIONS TO BE ADDRESSED TO THE FIRM AND NOT INDIVIDUALS TELEGRAMS: DENNIS GUILDFORD TELEPHONE: GUILDFORD 1575 (7 LINES) OUR REF. JM/CS. YOUR REF. Rm/Mths.3/AP. DENNIS… | ||
| scan0024 | Letter from Dennis Brothers Ltd. regarding the testing and inspection of an experimental set of bearings in an engine. | ||
| View original record | ALL COMMUNICATIONS TO BE ADDRESSED TO THE FIRM AND NOT INDIVIDUALS TELEGRAMS: DENNIS GUILDFORD TELEPHONE: GUILDFORD 1575 (7 LINES) OUR REF. JM/CS. YOUR REF. RM/MTHS/21/JH. BY APPOINTMENT [Royal Coat… | ||
| scan0025 | Follow-up letter to a customer regarding the testing of bearings and arranging a visit. | ||
| View original record | 1020a Rm/Mths.13/JH. 24th February, 1938. Messrs.Dennis Bros. Ltd., Guildford, Surrey. For the attention of Mr. J. Milne. Dear Sirs, We thank you for your letter of yesterdays date advising us that… | ||
| scan0026 | Letter from Dennis Brothers Ltd regarding the condition of engine bearings after testing and scheduling further tests. | ||
| View original record | ALL COMMUNICATIONS TO BE ADDRESSED TO THE FIRM AND NOT INDIVIDUALS TELEGRAMS: DENNIS GUILDFORD TELEPHONE: GUILDFORD 1575 (7 LINES) OUR REF. JM/GS. YOUR REF. Rm/Mths.13/JH. BY APPOINTMENT HEAD OFFICE… | ||
| scan0027 | Letter to Messrs Dennis Bros Ltd. requesting information on the performance of supplied Aluminium-Tin bearings. | ||
| View original record | 1020a April 5th.1938. Rm/Mths.7/AP. Messrs Dennis Bros Ltd., Guildford, SURREY. For the attention of Mr.J.Milne. Dear Sirs, With reference to the Aluminium-Tin bearings supplied to you, could you give… | ||
| scan0028 | Letter from Dennis Bros Ltd discussing the performance and wear of aluminium-tin bearings after 110 hours of testing. | ||
| View original record | ALL COMMUNICATIONS TO BE ADDRESSED TO THE FIRM AND NOT INDIVIDUALS TELEGRAMS: DENNIS GUILDFORD TELEPHONE: GUILDFORD 1575 (7 LINES) OUR REF. JM/CS. YOUR REF. RM/Mths. 7/AP. BY APPOINTMENT HEAD OFFICE… | ||
| scan0029 | Page 2 of a letter from Dennis Brothers Limited regarding a visit to Guildford to inspect an engine. | ||
| View original record | - 2 - stripped, but if you consider that the conditions are such as to merit a visit to Guildford, we can make arrangements to give you as much warning as possible before the engine is again taken… | ||
| scan0030 | Dimensional record of a new crankshaft after a running test. | ||
| View original record | DATE 17.2.38 CRANK N° 704 NEW CRANKSHAFT ENGINE SERIES: NUMBER: BORE: 117.47 STROKE: 150 RECORD OF DIMEMENSION AFTER RUNNING: IN SERVICE BY MATERIAL EXP. CON. ROD. BEARINGS R.R. BRINELL Top Dimensions… | ||
| scan0031 | Record of crankshaft wear dimensions for a Type 'O' engine after 110.25 hours of running. | ||
| View original record | DATE 11.4.38. CRANK N° 704 CRANKSHAFT WEAR ENGINE: TYPE 'O' SERIES: NUMBER BORE: 117.47 STROKE: 150 RECORD OF DIMENSIONS AFTER RUNNING: 110.25 HRS IN SERVICE BY: EXP. DEPT MATERIAL: EXPT. CON ROD… | ||
| scan0032 | Photographic print of connecting rods and big end bearing caps. | ||
| View original record | ", | ||
| scan0033 | Photograph of pistons and connecting rod big-end bearings laid out for inspection. | ||
| View original record | ", | ||
| scan0034 | Letter to Dennis Bros. Ltd. discussing the condition of bearings and requesting further test data and performance comparisons. | ||
| View original record | 1020a Rm/Mths.3/MH. 22nd. April 1938. Messrs. Dennis Bros. Ltd., Guildford, SURREY. For the attention of Mr.J.Milne. Dear Sirs, We thank you for your letter of the 12th. inst. and for the data… | ||
| scan0035 | Letter from Dennis Bros Ltd discussing the results and further testing of experimental big end bearings. | ||
| View original record | ALL COMMUNICATIONS TO BE ADDRESSED TO THE FIRM AND NOT INDIVIDUALS TELEGRAMS: DENNIS GUILDFORD TELEPHONE: GUILDFORD 1575 (7 LINES) OUR REF JM/CS. YOUR REF RM/Mths.3/MH. BY APPOINTMENT HEAD OFFICE AND… | ||
| scan0036 | Page two of a letter from Dennis Brothers Limited regarding arrangements for bearing production. | ||
| View original record | - 2 - marketed, for we understand that arrangements have already been made between your goodselves and Messrs. Wellworthy Piston Rings Ltd. for them to go ahead with the production of bearings. We are… | ||
| scan0037 | Letter to Messrs. Dennis Bros., Ltd. regarding bearings marketed by Messrs. Wellworthy's and material modifications. | ||
| View original record | 1020a. Rm5/R. 26th April, 1938. Messrs. Dennis Bros., Ltd., Guildford, S U R R E Y. Dear Sirs, Thank you for your letter of the 25th April. Answering the query in the last paragraph of your letter, it… | ||
| scan0038 | Letter requesting information on shaft hardness from tests on RR.AC.6 Aluminium-Tin bearings. | ||
| View original record | 1020a BUY 272 Agents Copy Rolls Royce FB/EHF. 10th May, 1938. J. Milne, Esq., Messrs. Dennis Bros, Ltd., Guildford. Dear Mr. Milne, With regard to the tests of RR.AC.6. Aluminium-Tin bearings, which… | ||
| scan0039 | Letter from Dennis Bros Ltd arranging an inspection of a 4-cylinder C.I. experimental engine. | ||
| View original record | ALL COMMUNICATIONS TO BE ADDRESSED TO THE FIRM AND NOT INDIVIDUALS TELEGRAMS: DENNIS GUILDFORD TELEPHONE: GUILDFORD 1575 (7 LINES) OUR REF. JM/CS. YOUR REF. RM/MTHS. BY APPOINTMENT [DENNIS Logo]… | ||
| scan0040 | Letter to Dennis Bros Ltd. regarding the supply of main bearings with AC.9 alloy and recommendations for oil filters. | ||
| View original record | 1020a EXPERIMENTAL DEPARTMENT. Rm/Mths.23/JH. 28th June, 1938. Messrs. Dennis Bros Ltd., Guildford, Surrey. For the attention of Mr. J. Milne. Dear Sirs, With reference to the writer visit to your… | ||
| scan0041 | Page 2 of a letter discussing the supply and convenience of different filter types. | ||
| View original record | -2- Rm/Mths.23/JH. 28th June, 1938. and full information can be obtained from them. Should these people be not quite in a position to supply, you the next best filter in our opinion is the A.C.… | ||
| scan0042 | Letter from Dennis Bros Ltd concerning the supply and specifications of engine components like bearings, crankshafts, and oil filters. | ||
| View original record | ALL COMMUNICATIONS TO BE ADDRESSED TO THE FIRM AND NOT INDIVIDUALS BY APPOINTMENT 1020a HEAD OFFICE AND WORKS DENNIS BROS LTD COMMERCIAL VEHICLE AND FIRE ENGINE MANUFACTURERS GUILDFORD SURREY ENGLAND… | ||
| scan0043 | Letter from Dennis Brothers Limited discussing main bearing tests, oil cleaning, and forwarding photographs of big end bearings. | ||
| View original record | - 2 - engine speed, in an endeavour to provide a certain amount of centrifugal cleaning for the oil before it passes to our bearings. Whether our scheme will have any real success remains to be seen,… | ||
| scan0045 | Photograph of connecting rods with their big-end bearing shells laid out for inspection. | ||
| View original record | B3 S 4/A | ||
| scan0046 | Letter from Dennis Bros Ltd reporting on the failure of aluminium centre main bearings (A.C.9 material) during engine testing. | ||
| View original record | ALL COMMUNICATIONS TO BE ADDRESSED TO THE FIRM AND NOT INDIVIDUALS BY APPOINTMENT 1020a. HEAD OFFICE AND WORKS DENNIS BROS LTD COMMERCIAL VEHICLE AND FIRE ENGINE MANUFACTURERS GUILDFORD SURREY ENGLAND… | ||
| scan0047 | Letter from Dennis Brothers Limited regarding bearing growth and material hardness differences. | ||
| View original record | - 2 - We have not attempted to check the diameter of this bearing, but on the first bearing we found that when it was fitted back in position in the crankcase we could not insert a standard 2.375"… | ||
| scan0048 | Blueprint graph plotting load and pressure against RPM for an engine's centre main bearing. | ||
| View original record | 100 x 120 x 4 ENGINE (TYPE ) CENTRE MAIN BEARING POUNDS LOAD & PRESSURE (LBS/IN²) 0 1000 2000 3000 4000 5000 6000 R.P.M. F (CRANK) INERTIA LOAD TOTAL BRG. PRESSURE C.F. (BIG END) NET BRG AREA 4.45 IN²… | ||
| scan0049 | Letter from Dennis Bros Ltd regarding the inspection of A.C.9 bearings and enclosing a corrected blueprint. | ||
| View original record | BY APPOINTMENT HEAD OFFICE AND WORKS DENNIS BROS LTD COMMERCIAL VEHICLE AND FIRE ENGINE MANUFACTURERS GUILDFORD SURREY ENGLAND ALL COMMUNICATIONS TO BE ADDRESSED TO THE FIRM AND NOT INDIVIDUALS… | ||
| scan0050 | Investigation into the failure of an AC.9 main bearing in a four-cylinder petrol engine during a visit to Dennis Bros. at Guildford. | ||
| View original record | 1020a To Rm. from Rm/CTS. Rm/CTS.16/MH.18.7.38. VISIT TO MESSRS. DENNIS BROS. AT GUILDFORD. Purpose. To investigate failure of AC.9 main bearing in the 100 x 120 four cyl. petrol engine. Procedure.… | ||
| scan0051 | Load reduction through crank balancing, bearing fit, and heat treatment procedures. | ||
| View original record | -2- Rm/CTS.16/MH.18.7.38. If the crank was balanced it was stated that the load would be reduced by approx. 800 lbs./sq.in. This procedure, however, Dennis would adopt only as a last resource. If the… | ||
| scan0052 | Letter to Wellworthy Piston Rings Ltd. regarding Bristol fully-floating bushes and a potential visit to De Havilland's. | ||
| View original record | P. Copy for Mr. Devereux. 1020a Rm.1/R. 24th August, 1938. J. Howlett, Esq., Wellworthy Piston Rings Ltd., Lymington, HANTS: Dear Mr. Howlett, Many thanks for your letter of August 22nd. I am most… | ||
| scan0053 | Letter to Dennis Bros., Ltd. regarding a centre main bearing failure and requesting a crankshaft drawing. | ||
| View original record | 1020a. Rm/Gry5/R. 25th August, 1938. Messrs. Dennis Bros., Ltd., GUILDFORD, Surrey. (For the attention of Mr. J. Milne.) Dear Sirs, With regard to the trouble which you are having due to failure of… | ||
| scan0054 | Letter from Dennis Brothers Ltd. regarding engine component specifications and weights. | ||
| View original record | BY APPOINTMENT HEAD OFFICE AND WORKS DENNIS BROS LTD COMMERCIAL VEHICLE AND FIRE ENGINE MANUFACTURERS GUILDFORD SURREY, ENGLAND A B C CODE 5TH EDITION LIEBERS 5 LETTER BENTLEYS MARCONI ALL… | ||
| scan0055 | Engineering blueprint for a crankshaft, showing multiple cross-sections and detailed dimensions. | ||
| View original record | CRANKSHAFT. MATL P.M. 63. STAMPS NO 34442. BRINELL 500 - 550 (ON CRANKPINS AND JOURNALS). USED ON: 100 x 120 x 4 TYPE B. No OFF: 1. PART NO 34442. ALT NO: 10986, 11376. SECTION. EE. SECTION. AA.… | ||
| scan0056 | Photograph of a damaged two-part bearing alongside two circular performance diagrams. | ||
| View original record | 31.8.38. AC6 DENNIS 100 x 120 C. TYPE AT 2,600 R.P.M. WITHOUT DAMPER. DENNIS 100 x 120 C. TYPE. AT 2,000. R.P.M. WITHOUT DAMPER. | ||
| scan0057 | Letter from Dennis Bros Ltd discussing engine performance, bearing tests, and seizure issues. | ||
| View original record | BY APPOINTMENT HEAD OFFICE AND WORKS DENNIS BROS LTD COMMERCIAL VEHICLE AND FIRE ENGINE MANUFACTURERS GUILDFORD SURREY. ENGLAND ALL COMMUNICATIONS TO BE ADDRESSED TO THE FIRM AND NOT INDIVIDUALS… | ||
| scan0058 | Page 2 of a report detailing an engine test procedure which resulted in a seizure. | ||
| View original record | - 2 - light load, finishing with 5-minutes at full load at 3000 r.p.m. The bearing was then stripped for examination, and after being rebuilt was given 1/2 an hr. warming up at 1500 r.p.m. under light… | ||
| scan0059 | Letter to Dennis Bros Ltd. regarding the failure of a centre main bearing, discussing Torsiograph records and bending loads. | ||
| View original record | 1020a EXPERIMENTAL DEPARTMENT. Rm/CTC.1/JH. 3rd. September, 1938. Dennis Bros Ltd., Guildford, Surrey. Dear Sirs, We thank you for your letter of Sept. 1st. with reference to the Torsiograph records,… | ||
| scan0060 | Letter to Dennis Bros Ltd. regarding a problem with a centre main bearing on a 4-cylinder petrol engine. | ||
| View original record | 1020a EXPERIMENTAL DEPARTMENT. Rm/CTS.2/JH. 6th September, 1938. Dennis Bros Ltd., Guildford, SURREY. For the attention of Mr. Milne. Dear Sirs, With further reference to your trouble with the centre… | ||
| scan0061 | Summary of calculations and conclusions regarding the Dennis Crankshaft 34442 and its centre bearing. | ||
| View original record | 1020a Rm. c.c. Rm/Gry. BY/B.2/G.7.9.38. Scott DENNIS CRANKSHAFT 34442 AND ITS CENTRE BEARING. (see their letter of 27.8.38.) SUMMARY. Even if shaft was free at ends and supported only at centre, the… | ||
| scan0062 | Analysis of the Dennis crank, identifying high bearing pressures and proposing design improvements like adding more bearings or balance weights. | ||
| View original record | Rm. ------- BY.9/G.7.9.38. /1020a I am in agreement with Mr. Bower's conclusions in regard to the Dennis crank, as given in his report BY/B.2/G.7.9.38. Broadly speaking, the crankshaft lacks… | ||
| scan0063 | Letter from Dennis Bros Ltd discussing crankshaft bending loads and bearing tests for a 'C' Type 4-cylinder engine. | ||
| View original record | ALL COMMUNICATIONS TO BE ADDRESSED TO THE FIRM AND NOT TO INDIVIDUALS BY APPOINTMENT HEAD OFFICE AND WORKS DENNIS BROS LTD COMMERCIAL VEHICLE AND FIRE ENGINE MANUFACTURERS GUILDFORD SURREY ENGLAND… | ||
| scan0064 | Letter from Dennis Brothers Ltd discussing the effects of grinding a flat on a centre main journal. | ||
| View original record | - 2 - Incidentally, we have tried the effect of grinding the small flat on the centre main journal immediately in front of the contact line, as shown on a journal after high speed runs, and although… | ||
| scan0065 | Letter from Dennis Bros Ltd discussing modifications to a centre main bearing for a petrol engine. | ||
| View original record | BY APPOINTMENT HEAD OFFICE AND WORKS DENNIS BROS LTD COMMERCIAL VEHICLE AND FIRE ENGINE MANUFACTURERS GUILDFORD SURREY ENGLAND A B C CODE 5TH EDITION LIEBERS 5 LETTER BENTLEYS MARCONI ALL… | ||
| scan0066 | Page 2 of a letter from Dennis Brothers Limited regarding oil groove design in bearings and its effect on journal wear. | ||
| View original record | - 2 - for attention. Service of this type on bearings having the oil groove round the centre causes wear to take place on the journal on each side of the oil groove, while that part of the journal… | ||
| scan0067 | Engine redesign policy for Dennis Bros. and scheduling a meeting with H.D.A. Ltd. | ||
| View original record | RM 1020a. Re Dennis Bros. my suggested policy to date is to find out by the pool of correspondence attached, just how far they are prepared to go in redesigning their engine. There is no doubt that in… | ||
| scan0068 | Letter to Dennis Bros. regarding crankshaft loading and bearing issues on a 'C' type engine. | ||
| View original record | Experimental Dept. Rm/CTS.1/MH. 10th. September 1938. Messrs.Dennis Bros., Guildford, SURREY. Dear Sirs, Further to our letter of Sept.6th. and in answer to yours of Sept.8th, we note your remarks… | ||
| scan0069 | Letter from Dennis Brothers Ltd. regarding aluminium alloy bearings and a request for original blueprints. | ||
| View original record | ALL COMMUNICATIONS TO BE ADDRESSED TO THE FIRM AND NOT INDIVIDUALS TELEGRAMS: DENNIS GUILDFORD TELEPHONE: GUILDFORD 1575 (7 LINES) OUR REF. JM/NW YOUR REF. 1020a. BY APPOINTMENT DENNIS ESTABLISHED… | ||
| scan0070 | Letter to Dennis Bros. Ltd. regarding a print of a drawing for bearing X.1041. | ||
| View original record | 1020a. EXPERIMENTAL DEPARTMENT. Rm/CTC.1/JH. 14th. February, 1939. Dennis Bros. Ltd., Guildford, Surrey. For the attention of Mr. Milne. Dear Sirs, In reply to your letter dated 8th. Feb. concerning… | ||
| scan0071 | Letter from Wellworthy Piston Rings regarding sample bearings for Ruston & Hornsby Ltd., discussing designs and pricing. | ||
| View original record | SERVICE DEPOTS LONDON 89 BLACKFRIARS RD S.E.1 TELEPHONE: WATERLOO 5762-3 172 GT. PORTLAND ST. W.1 TELEPHONE: MUSEUM 2433 119 LEYTONSTONE RD STRATFORD. E.15 TELEPHONE: MARYLAND-2439 BIRMINGHAM 143… | ||
| scan0072 | Letter to Wellworthy Piston Rings Ltd. requesting a crankshaft drawing, material data, hardness, lubrication arrangement, and oil flow figures. | ||
| View original record | 1256 10209. EXPERIMENTAL DEPARTMENT. Rm/CTS.12/JH. 29th. October, 1938. Wellworthy Piston Rings Ltd., Lymington, Hants. Your ref. M/FC/FNB. Dear Sirs, In reply to your letter dated Oct. 26th. and with… | ||
| scan0073 | Letter from Wellworthy Piston Rings Ltd regarding Ruston & Hornsby Bearings. | ||
| View original record | SERVICE DEPOTS LONDON 89 BLACKFRIARS RD S.E.1 TELEPHONE: WATERLOO 5762-3 172 GT. PORTLAND ST. W.1 TELEPHONE: MUSEUM 2433 119, LEYTONSTONE RD STRATFORD. E.15 TELEPHONE: MARYLAND 2439 BIRMINGHAM 143… | ||
| scan0074 | Letter from Ruston & Hornsby Ltd. to Wellworthy Piston Rings Ltd. with crankshaft material and lubrication specifications. | ||
| View original record | COPY OF LETTER RECEIVED FROM - RUSTON & HORNSBY LTD. LINCOLN. T/JPS/JS. K/WM/S/FN.B.16055 8th November, 1938. Messrs. Wellworthy Piston Rings Ltd., Lymington, Hants. Dear Sirs, With reference to your… | ||
| scan0075 | Letter from Wellworthy Piston Rings regarding AC.9 bearings, discussing oil grooves and a proposed heat treatment and testing plan. | ||
| View original record | SERVICE DEPOTS LONDON 89 BLACKFRIARS RD S.E.1 TELEPHONE: WATERLOO 5762/3 172 GT. PORTLAND ST. W.1 TELEPHONE: MUSEUM 2433 119 LEYTONSTONE RD STRATFORD . E . 15 TELEPHONE: MARYLAND 2439 BIRMINGHAM 143… | ||
| scan0076 | Continuation of a letter from Wellworthy Piston Rings regarding hardness testing methods. | ||
| View original record | WELLWORTHY PISTON RINGS LIMITED CONTINUATION No 1. results, that is whether it should be by Brinell or any other machine, and whether it should be by 5 mm. diameter ball or 10 mm. Yours faithfully,… | ||
| scan0077 | Letter to Vauxhall Motors regarding the development and benefits of a new Aluminium Tin Bearing Alloy. | ||
| View original record | 1020 Rmll/R. 23rd July, 1937. A. Taub, Esq., Vauxhall Motors Ltd., LUTON, Beds. Dear Taub, We want to interest you in our Aluminium Tin Bearing Alloy.. After two years' work on this material, we say… | ||
| scan0078 | Letter from Vauxhall Motors acknowledging correspondence and advising of Alex Taub's absence. | ||
| View original record | Vauxhall Motors Ltd CONTRACTORS TO THE ADMIRALTY, WAR OFFICE & AIR MINISTRY. TELEPHONE NUMBER 2600 LUTON. LUTON. BEDS. TELEGRAMS CARVAUX. TELEX. LUTON WHEN REPLYING PLEASE QUOTE OUR REF: Rm11/R YOUR… | ||
| scan0079 | Letter from Vauxhall Motors regarding rod bearings and Buick '38 engine data. | ||
| View original record | 1020. Vauxhall Motors Ltd CONTRACTORS TO THE ADMIRALTY, WAR OFFICE & AIR MINISTRY. TELEPHONE NUMBER 2600 LUTON. LUTON. BEDS. TELEGRAMS: CARVAUX, TELEX, LUTON WHEN REPLYING PLEASE QUOTE → OUR REF:… | ||
| scan0080 | Letter to A. Taub of Vauxhall Motors concerning 1938 Buick cars and arranging a visit to demonstrate bearing results. | ||
| View original record | 1097. Rml/R. 2nd Sept., 1937. A. Taub, Esq., Vauxhall Motors Ltd., Luton, BEDS: Dear Taub, Thank you very much for your letter of Sept. 1st. Charlie Chayne told me that Buicks had got some good… | ||
| scan0081 | Letter to The Associated Equipment Co., Ltd. regarding a main bearing problem and the suitability of lead bronze alloy. | ||
| View original record | 1020a Rm2/R. 21st December, 1937. G.D. Robinson, Esq., The Associated Equipment Co.,Ltd., SOUTHALL, Middx. Dear Sir, With reference to your letter addressed to Mr. Devereux dated 14th December, we… | ||
| scan0082 | Letter from The Associated Equipment Co Ltd arranging a meeting to discuss an experiment on oil engines using aluminium alloy bearings. | ||
| View original record | THE ASSOCIATED EQUIPMENT CO LTD TELEPHONE: SOUTHALL 2424 (7 LINES) TELEGRAMS: "VANGASTOW PHONE SOUTHALL" [AEC LOGO] SOUTHALL REGISTERED TRADE MARK MIDDLESEX YOUR REF. RM2/R. OUR REF. CE/GDR/GD. 22nd… | ||
| scan0083 | Letter to The Associated Equipment Co. Ltd. regarding aluminium bearings and arranging a follow-up meeting. | ||
| View original record | 1020a Rm/Mths.4/JH. Your ref. CE/GDR/GD. 29th December, 1937. The Associated Equipment Co.Ltd., Southall, Middlesex. For the attention of G.J.Rackham Esq., Dear Sirs, We thank you for your letter of… | ||
| scan0084 | Letter from The Associated Equipment Co Ltd arranging a meeting to discuss bearing materials. | ||
| View original record | 1020a THE ASSOCIATED EQUIPMENT CO LTD AEC SOUTHALL REGISTERED TRADE MARK TELEPHONE: SOUTHALL 2424 (17 LINES) MIDDLESEX TELEGRAMS: "VANGASTOW PHONE SOUTHALL" YOUR REF. Rm/Mths.4/JH. OUR REF. CE/GDR/GD.… | ||
| scan0085 | Letter to The Associated Equipment Co. Ltd. confirming a visit on the 5th instant. | ||
| View original record | 1020a Rm/Mths.13/MH. 3rd. January 1938. The Associated Equipment Co. Ltd., Southall, Middlesex. For the attention of G.J.Rackham, Esq. Dear Sirs, We thank you for your letter dated 31st. December, and… | ||
| scan0086 | Letter to The Associated Equipment Co. Ltd. regarding an order for main bearing blanks and an enclosed data chart. | ||
| View original record | 1020a. January 10th.1938 Rm/Mths.5/AP. The Associated Equipment Co.Ltd., Southall, MIDDLESEX. For the attention of Mr.G.J.Rackham Esq. Dear Sirs, We thank you for your letter of the 7th inst., and for… | ||
| scan0087 | Letter from Associated Equipment Co Ltd regarding the manufacture of aluminium alloy main bearing shells. | ||
| View original record | Files 1020 H THE ASSOCIATED EQUIPMENT CO LTD TELEPHONE: SOUTHALL 2424 (17 LINES) AEC SOUTHALL REGISTERED TRADE MARK TELEGRAMS: "VANGASTOW PHONE SOUTHALL" YOUR REF. MIDDLESEX OUR REF. CE/GDR/GD. 7th… | ||
| scan0088 | Technical drawing of a main bearing centre top half. | ||
| View original record | SHELL A14236P FOR 1ST, 2ND, & 3RD STDS. L.P.T.B. = A14240P FOR 4TH, 5TH, & 6TH STDS. L.P.T.B. DRAWING NOT TO BE SCALED. LIST N° OF SHELLS ADDED L.P.T.B. S.R.C. 19-5-37 I-4979. WHITEMETAL FROM A.F.… | ||
| scan0089 | Detailed engineering drawing of a main intermediate top half bearing. | ||
| View original record | DRAWING NOT TO BE SCALED. TOP LEFT AREA: SHELL A13759P FOR 1ST, 2ND, & 3RD, STDS. L.P.T.B. =A13773P FOR 4TH, 5TH, & 6TH, STDS. L.P.T.B. DRILL 13/64" DIA X 5/8" DEEP 1 CHAMFER AT 45° EACH END REMOVE… | ||
| scan0090 | Technical drawing of a main bearing front top half. | ||
| View original record | THE ASSOCIATED EQUIPMENT CO. LTD. SOUTHALL, MIDDLESEX. DRAWING NOT TO BE SCALED. BORE IN POSITION TO B DIA +.123/+.102 WHEN BOTTOM HALF OF BEARING IS LEAD BRONZE. BORE IN POSITION TO B DIA +.93/+.88… | ||
| scan0091 | Technical drawing for a main bearing rear top half, showing dimensions and material specifications. | ||
| View original record | MAIN BEARING / REAR / TOP HALF DRAWING NOT TO BE SCALED UNDERCUT 4 WIDE X 1 DEEP SHELL A14734F FOR 1ST, 2ND, & 3RD STDS L.P.T.B. A14738A FOR 4TH, 5TH, & 6TH STDS L.P.T.B. 1 CHAMFER AT 45° EACH END 1… | ||
| scan0092 | Request to produce rough machined main bearing blanks for A.E.C. in A.C.7 alloy. | ||
| View original record | 1020a To HPS. Rm/Mths.6/JH.11.1.38. A.E.C. MAIN BEARINGS. Will you please arrange to have produced the following rough machined main bearing blanks in A.C.7 alloy. Rear bearing 4.500 outside dia. x… | ||
| scan0093 | Visit to A.E.C. Ltd. regarding the supply of metal bearings and their engine requirements. | ||
| View original record | To Hs. from Rm/Mths. c. By. c. Mr. Devereux. 1020a Rm/Mths.8/MH.13.1.38. REPORT OF VISIT TO A.E.C. LTD. 9.1.38. This visit was made along with Mr.Herrington of High Duty Alloys with the object of… | ||
| scan0094 | Engine bearing materials, crankcases, and design considerations discussed with A.E.C. | ||
| View original record | -2- Rm/Mths.8/MH.13.1.38. The main bearings are not grooved completely, but there are two feed holes in each journal and two holes in the crankpin spaced similarly to the latest Bentley practice. They… | ||
| scan0095 | Cylinder liner materials, chemical composition, and performance from commercial vehicle manufacturers. | ||
| View original record | -3- Cylinders etc. In line with most Commercial vehicle manufacturers AEC. use separate liners in their cylinder construction, they say, of course, that this is better from a service point of view,… | ||
| scan0096 | Letter from The Associated Equipment Co Ltd enquiring about a delivery date for a set of die-cast aluminium main bearings. | ||
| View original record | 1020a THE ASSOCIATED EQUIPMENT CO LTD TELEPHONE: SOUTHALL 2424 (17 LINES) SOUTHALL REGISTERED TRADE MARK MIDDLESEX TELEGRAMS: "VANGASTOW PHONE SOUTHALL" YOUR REF. OUR REF. CE/GDR/GD. 25th January,… | ||
| scan0097 | Letter regarding a delay with Aluminium-tin bearings due to casting issues and discussing the merits of different oil filtering systems. | ||
| View original record | 102 oa ? Rm/Mths.12/WH. 28th. January 1938. The Associated Equipment Co. Ltd., Southall, Middlesex. For the attention of Mr.C.J.Rackham. Dear Sirs, We thank you for your letter of the 25th. inst.,… | ||
| scan0098 | Letter discussing a follow-up visit to examine experimental sets of bearings. | ||
| View original record | -2- Rm/Mths.12/MH. When you have the bearings down for examination the writer would like to visit you again and bring along Mr. Howlett who is going to handle this material commercially, and who has… | ||
| scan0099 | Letter from The Associated Equipment Co Ltd regarding sample aluminium tin bearings and clearance advice. | ||
| View original record | 1020a THE ASSOCIATED EQUIPMENT CO LTD AEC SOUTHALL REGISTERED TRADE MARK MIDDLESEX TELEPHONE: SOUTHALL 2424 (17 LINES). TELEGRAMS: "VANGASTOW PHONE SOUTHALL." YOUR REF. Rm/Mths.12/MH. OUR REF.… | ||
| scan0100 | Letter regarding a delay in the delivery of bearings due to faulty castings and confirming clearance specifications. | ||
| View original record | 1020a RM/Mths.11/MH. 1st. February 1938. The Associated Equipment Co. Ltd., Southall, Middlesex. For the attention of Mr.G.J.Rackham. Dear Sirs, We thank you for your letter of the 31st. ult., and we… | ||
| scan0101 | Switch to a new alloy, AC.8, for producing A.E.C. bearings due to issues with AC.6. | ||
| View original record | To HPS. 1020a Rm/Mths.12/JH.11.2.38. A.E.C. BEARINGS. Since we have had no luck in producing AC.6. bearings for the above job, will you please arrange to have some sand castings produced in AC.8 the… | ||
| scan0102 | Letter from The Associated Equipment Co Ltd following up on a delayed order for A.C.7 alloy castings for bearings. | ||
| View original record | THE ASSOCIATED EQUIPMENT CO LTD TELEPHONE: SOUTHALL 2424 (17 LINES) SOUTHALL MIDDLESEX REGISTERED TRADE MARK TELEGRAMS: "VANGASTOW PHONE SOUTHALL" YOUR REF. OUR REF. CE/CR/GD. 15th February, 1938. For… | ||
| scan0103 | Letter to The Associated Equipment Co.Ltd. regarding tests on an improved alloy for main bearings. | ||
| View original record | 1020a Rm/Mths.12/JH. 21st. February, 1938. The Associated Equipment Co.Ltd., Southall, MIDDLESEX. For the attention of G.J. Rackham. Dear Sirs, We thank you for your letter of the 15th inst. and… | ||
| scan0104 | Letter from The Associated Equipment Co Ltd regarding experiments on a new alloy for main bearings. | ||
| View original record | 1020a. THE ASSOCIATED EQUIPMENT CO LTD AEC SOUTHALL REGISTERED TRADE MARK MIDDLESEX TELEPHONE: SOUTHALL 2424 (17 LINES) TELEGRAMS: "VANGASTOW PHONE SOUTHALL" YOUR REF. Rm/Mths.12/JH. OUR REF.… | ||
| scan0105 | Letter to The Associated Equipment Co. Ltd. regarding the supply and despatch of bearings and castings. | ||
| View original record | 1020a Rm/Mths.10/WH. 25th. February 1938. The Associated Equipment Co. Ltd., Southall, MIDDLESEX. For the attention of Mr.Rackham. Dear Sirs, We thank you for your letter of the 23rd. referring to the… | ||
| scan0106 | Letter to The Associated Equipment Co. Ltd. about despatching two sets of main bearing blanks made from a new alloy, AC.9. | ||
| View original record | 1020C Rm/Mths.11/MH. 3rd. March 1938. The Associated Equipment Co. Ltd., Southall, MIDDLESEX. For the attention of Mr.G.J.Rackham. Dear Sirs, We are to-day despatching by passenger train two sets of… | ||
| scan0107 | Letter from The Associated Equipment Co Ltd regarding main bearings made from a new aluminium alloy, A.C.9. | ||
| View original record | 102-09 THE ASSOCIATED EQUIPMENT CO LTD TELEPHONE: SOUTHALL 2424 (17 LINES). REGISTERED TRADE MARK SOUTHALL MIDDLESEX TELEGRAMS: "VANGASTOW PHONE SOUTHALL." YOUR REF. Rm/Mths.11/MH. OUR REF. CE/GDR/GD.… | ||
| scan0108 | Letter to The Associated Equipment Co. Ltd. confirming the clearance for AC.9 bearing alloy. | ||
| View original record | 1020a. Rm/Mths.10/JH. 9th March. 1938 The Associated Equipment Co.Ltd., Southall, Middlesex. For the attention of Mr. Rackham. Dear Sirs, We thank you for your letter relating to AC.9 bearing alloy… | ||
| scan0109 | Letter to The Associated Equipment Co. Ltd. requesting an update on supplied A.C.9 alloy main bearing material. | ||
| View original record | 1020a Rm/Mths.9/MH. Experimental Dept. 11th. May 1938. The Associated Equipment Co. Ltd., Southall, MIDDLESEX. For the attention of Mr.Rackham. Dear Sirs, It is now some considerable time since we… | ||
| scan0110 | Letter regarding the endurance testing of A.C.9 alloy main bearings. | ||
| View original record | THE ASSOCIATED EQUIPMENT Co LTD TELEPHONE: SOUTHALL 2424 (17 LINES). SOUTHALL TRADE MARK MIDDLESEX TELEGRAMS: "VANGASTOW PHONE SOUTHALL." YOUR REF. Rm/Mths.9/MH. OUR REF. CE/GR/GD. 12th May, 1938.… | ||
| scan0111 | Letter to The Associated Equipment Co. Ltd. arranging a visit to discuss tests on aluminium tin bearings. | ||
| View original record | 1020a EXPERIMENTAL DEPT. Rm/Mthns.8/JH. 14th May. 1938. The Associated Equipment Co.Ltd., Southall, MIDDLESEX. For the attention of Mr. Rackham. Dear Sirs, With reference to your letter relating to… | ||
| scan0112 | Letter from The Associated Equipment Co Ltd discussing chassis selling costs per pound. | ||
| View original record | 1020a? THE ASSOCIATED EQUIPMENT Co LTD TELEPHONE: SOUTHALL 2424 (17 LINES). TRADE MARK SOUTHALL MIDDLESEX TELEGRAMS: "VANGASTOW PHONE SOUTHALL." YOUR REF. OUR REF. CE/GDR/GD. PRIVATE & CONFIDENTIAL.… | ||
| scan0113 | Continuation sheet of a letter from The Associated Equipment Co. Ltd. | ||
| View original record | The Associated Equipment Co. Ltd. -2- Continuation Sheet No. 1. If there is any other information that would be useful or interesting, please do not hesitate to drop me a line at any time. Yours… | ||
| scan0114 | Data sheet for passenger vehicle chassis, detailing alternatives and additions for petrol engines and lighting. | ||
| View original record | AEC SOUTHALL Registered Trade Mark PASSENGER VEHICLES (Oil and Petrol Engined Chassis) DATA SHEET (November, 1937) THE ASSOCIATED EQUIPMENT CO., LTD. BUILDERS OF LONDON'S BUSES AND TROLLEY BUSES, HEAD… | ||
| scan0115 | AEC Southall data sheet for bus, coach, and trolley bus chassis specifications. | ||
| View original record | November 1937 AEC SOUTHALL DATA SHEET GUARANTEE. Comprehensive guarantees are given with all A.E.C. products, full particulars of which are stated in the Company's current Conditions of Business. BUS… | ||
| scan0116 | Letter to G.D. Robinson of The Associated Equipment Co., Ltd. thanking him for information. | ||
| View original record | 1020a Rml/R. 21st May, 1938. G.D. Robinson, Esq., Chief Designer, The Associated Equipment Co.,Ltd., SOUTHALL, Middlesex. Dear Mr. Robinson, Thank you so much for your letter of the 20th May. The… | ||
| scan0117 | Visit to A.E.C. to inspect aluminium tin bearings and discuss commercial vehicle production. | ||
| View original record | Handwritten: 102Oa Copy for Policy file also Rms? By. from Rm. c. Hs. c. RHC. VISIT TO A.E.C. R.R. ALUMINIUM TIN BEARING. We paid a visit to the A.E.C. on Thursday to examine a set of R.R.A.C.9… | ||
| scan0118 | Cost analysis and competitive comparison for the B.50 chassis, detailing materials, pricing, and profitability. | ||
| View original record | -2- In order to build miles into their product they do a number of things which recently we have been taught to believe are very extravagant. They use - stellited inserted valve seats, hardened… | ||
| scan0119 | Concluding statement regarding the feasibility of the price fixed for the B.50 chassis. | ||
| View original record | -3- Rm4/R.23.5.38. Briefly, these figures encourage us to believe that the price fixed for B.50 chassis to its existing specifi- cation is far from being an impossible target. Rm. | ||
| scan0120 | Letter to Maurice Wilks of Rover regarding a new bearing alloy and offering assistance with lubrication. | ||
| View original record | 1020 Rml2/R. 23rd July, 1937. Maurice Wilks, Esq., The Rover Co.,Ltd., COVENTRY. Dear Wilks, Our bearing alloy has now reached a stage in its development where it is going to be put on the market.… | ||
| scan0121 | Letter from The Rover Company Ltd to W. A. Robotham regarding sending an engine, crankcase, and shaft. | ||
| View original record | TELEPHONE: No 8081 (7 Lines) ALL COMMUNICATIONS TO BE ADDRESSED TO THE COMPANY AND NOT TO INDIVIDUALS London Service Depot SEAGRAVE ROAD . FULHAM . LONDON . S.W.6. Contractors to H. M. Government THE… | ||
| scan0122 | Letter to M.C. Wilks of The Rover Company regarding an engineer's visit and a recently acquired Oldsmobile. | ||
| View original record | 1020 Rm7/R. 28th July, 1937. M.C. Wilks, Esq., The Rover Company, Ltd., COVENTRY. Dear Wilks, Thank you for your letter of July 27th. I suggest August 25th, 26th or 27th for your Engineer's visit. I… | ||
| scan0123 | Letter from The Rover Company Ltd discussing a proposed meeting, an Oldsmobile car's features, and steering layout. | ||
| View original record | TELEPHONE Nº 8081 (7 Lines) London Service Depot SEAGRAVE ROAD· FULHAM · LONDON · S·W·6. TELEGRAMS: ROVER, COVENTRY. BCM/ROVER. CODES: A. B. C. 5TH EDITION, LIEBERS, MARCONI, MOTOR TRADE, BENTLEY.… | ||
| scan0124 | Letter from The Rover Company discussing steering offset and comparing Packard and G.M. suspension geometry. | ||
| View original record | - 2 - W. A. Robotham Esq. 29th. July, 1937. about 2½" on the Oldsmobile, and we were always under the impression that it was impossible to use as much offset as this without encountering kicks of the… | ||
| scan0125 | Letter to M. Wilks of The Rover Co., Ltd. discussing steering lightness, king pin offset, and wishbone suspension design. | ||
| View original record | 1020 Rm.11/R. 30th July 1937 M.Wilks Esq., The Rover Co., Ltd., COVENTRY. Dear Wilks, Thank you for yours of July 29th. Will ear-mark August 26th for a bearing discussion. I do not know that you are… | ||
| scan0126 | Cover letter to M.C. Wilks of Rover Co. Ltd. enclosing a report on king pin inclination and steering heaviness. | ||
| View original record | 1021C August 17th 1937. Rm.19/AP. M.C.Wilks Esq., The Rover Co.Ltd., New Meteor Works, COVENTRY Dear Wilks, Further to your letter of July 29th and my reply. I looked up an old report of mine on the… | ||
| scan0127 | Letter from The Rover Company Ltd regarding a meeting about connecting rod bearings and lubrication. | ||
| View original record | TELEPHONE Nº 8081 (7 Lines) London Service Depot, SEAGRAVE ROAD·FULHAM·LONDON·S.W.6. Contractors to H.M. Government. TELEGRAMS: ROVER, COVENTRY. BCM/ROVER. CODES: A.B.C. 5TH EDITION, LIEBERS, MARCONI,… | ||
| scan0128 | Outlining recommendations sent to the Rover Co. for using alloy big-end bearings in their engines. | ||
| View original record | 1620 Hs. from Rm. By. Rm6/R.1.9.37. Attached is a copy of our recommendations to the Rover Co. to enable them to run R.R. alloy big-end bearings in their engine, also a covering note which I wrote to… | ||
| scan0129 | Recommendations for improving Aluminium-Tin connecting rod bearings for the Rover 20 HP engine, with an attached blueprint. | ||
| View original record | ALUMINIUM-TIN BEARINGS for ROVER 20 H.P. We have investigated the conditions under which the Aluminium-Tin Connecting Rod bearings have been run on Rover 20 H.P. engine, and the following are our… | ||
| scan0130 | Comparison of Rover engine bearing lubrication and materials against Bentley practice, with proposed improvements. | ||
| View original record | -2- 30.8.37. From the figures supplied to use by the Rover Co., we find that the oil pump capacity should be quite adequate for the job, and is, approximately the size we use. The flow through the… | ||
| scan0131 | Letter to Maurice Wilks of The Rover Company regarding the use of R.R. alloy in big-end bearings and related experiments. | ||
| View original record | Rml/R. 1st Sept., 1937. Maurice Wilks, Esq., The Rover Company Ltd., New Meteor Works, C O V E N T R Y. Dear Wilks, Attached is a report giving our recommendations to enable you to run the R.R. alloy… | ||
| scan0132 | Letter to M. Wilks discussing high-speed instability in a Rover, possibly caused by steering geometry or shock absorbers. | ||
| View original record | M. Wilks, Esq. -2- 1.9.37. same time. I have been trying to find out exactly what gives the Rover I have its feeling of instability at high speeds. We have had the car on the Skid Pan. The roll… | ||
| scan0133 | Letter from The Rover Company Ltd. discussing crankshaft drilling, bearings, and an experimental 20 HP car. | ||
| View original record | TELEPHONE Nº 8081 (7 Lines) ALL COMMUNICATIONS TO BE ADDRESSED TO THE COMPANY AND NOT TO INDIVIDUALS London Service Depot. SEAGRAVE ROAD · FULHAM · LONDON · S·W·6. 1020. TELEGRAMS: ROVER, COVENTRY. B… | ||
| scan0134 | Letter from The Rover Company Limited to W. A. Robotham Esq. regarding Silentbloc rubber bushes for independent suspension. | ||
| View original record | - 2 - W. A. Robotham Esq. 2nd. Sept. 1937. I believe you have had some dealings with the Silentbloc people over rubber bushes which will take a certain amount of end thrust and would therefore be… | ||
| scan0135 | Letter to M. Wilks of The Rover Company Ltd. concerning crankshaft lubrication and the loan of a 20 HP car. | ||
| View original record | 1020, Rm2/R. 3rd Sept., 1937. M. Wilks, Esq., The Rover Company Ltd., New Meteor Works, C O V E N T R Y. Dear Wilks, Many thanks for your letter of September 2nd. We do not wish to be dogmatic as to… | ||
| scan0136 | Notes from a visit by a Rover Co. representative regarding engine bearing troubles and engine specifications. | ||
| View original record | Visit of Rover Co's Representative (Mr. Swain) Mr. Swain visited the Works on the 26-8-37 to discuss the troubles they experienced with Hadl's metal bearings. From the discussion we formed the opinion… | ||
| scan0137 | Specifications for crankcase, oil pump, and connecting rod including dimensions and weights. | ||
| View original record | 2 Crankcase (cont) width of oil grooves in bearing supports Front = .250 wide 2nd = .375 " 3rd = .375 " rear = .375 " Diameter of oil feed holes from crankcase to bearings = .350 dia Wt. of crankcase… | ||
| scan0138 | Note discussing tappet scuffing issues and comparing them to problems on the Wraith model. | ||
| View original record | 31 Whilst here Mr. Swain mentioned that they were having trouble with scuffing of bottom tappets & we told them how we had got over the trouble on Wraith, their tappet mechanism being of similar… | ||
| scan0139 | Photograph displaying a vertical shaft with a helical gear, a cylindrical mesh filter, and a connecting rod. | ||
| View original record | ", | ||
| scan0140 | Photograph of an engine crankcase, showing the main bearing journals. | ||
| View original record | 190 | ||
| scan0141 | Photograph of a crankshaft. | ||
| View original record | ", | ||
| scan0142 | Table of oil flow test results for a 20 HP engine. | ||
| View original record | 1 25th. August, 1937. OIL FLOW - 20 H.P. ENGINE. ENGINE R.P.M. OIL PRESSURE. OIL TEMP. °C. VISCOSITY REDWOOD. TIME TO PUMP ONE GALLON. FLOW GALLS/HOUR. FLOW CORRECTED TO 50-lb/sq". FLOW CORRECTED to… | ||
| scan0143 | Specification sheet detailing the diameters and areas of oil ways for a 20 HP engine. | ||
| View original record | 24th. August, 1937. OIL WAYS - 20 H.P. ENGINE. Oil Pump Inlet .625" dia. .306 sq" " " Outlet min. .500" dia. .198 sq" " " " max. (.906" dia - .620" dia) .350 sq" Gallery Pipe. .495" dia. .192 sq"… | ||
| scan0144 | Specification for Nickel Chrome Molybdenum steel for forgings and crankshafts. | ||
| View original record | 16 CODE NUMBER M.4035. NICKEL CHROME. MOLYBDENUM. STEEL FOR FORGINGS. CHEMICAL ANALYSIS. CARBON .32-.36% MANGANESE 1.00-1.3% SILICON .1-.2% SULPHUR } .04% MAX PHOSPHOROUS } NICKEL .85-1.15% CHROMIUM… | ||
| scan0145 | Technical drawing of an intermediate and rear main bearing, bottom half. | ||
| View original record | PART NO. TYPE 53A. | 3. TYPE 54. | 3. PART No. O1058 STANDARD PART No. O1059 U1 UNDERSIZE INTERMEDIATE & REAR, MAIN BEARING. (BOTTOM HALF). MATL C.P.S. 10. BRINELL 95-105. SELECT CRANKSHAFT TO GIVE… | ||
| scan0146 | Blueprint for a front main bearing, bottom half. | ||
| View original record | PART NO. 16HP TYPE 75 1 PART NO. 03126 SUPPLIERS TO LEAVE .010" IN BORE FOR MACHINING IN POSITION. - FRONT MAIN BEARING (BOTTOM HALF) - MATL: C.P.S.10. BRINELL 95-105 PART No. 03251 -.020 UNDERSIZE No… | ||
| scan0147 | Blueprint of an oil pump wheel driver. | ||
| View original record | PART NO. 16HP TYPE 75 PART No. 03036 OIL PUMP WHEEL (DRIVER) MATL:- M 1045. BRINELL 201-250. 1.591"-1 .718-8 .500+1 .125+2 .015"R. .625+1 1.269-8 1.500 PC DIA 1.699-1 .08 AT 45° 14 TEETH 10 D.P.… | ||
| scan0148 | Drawing of a driven oil pump wheel made from Duralamin. | ||
| View original record | PART NO. IG/P TYPE 75 PART No. 03037 OIL PUMP WHEEL (DRIVEN) MATL. DURALAMIN. DRILL .125 + .010 DIA WITH BUSH PART NO W2038 IN POSITION 1.591-1 .795" 1.00+.16 .750+.1 .062+.16 .031 R 1.699-1 1.500… | ||
| scan0149 | Blueprint for an oil pump cover. | ||
| View original record | PART No. IGP TYPE 75 PART No. 03068 OIL PUMP COVER MATL - C30 BRIN - 150 MIN PART-SECTION C D 4 HOLES .328+.008 DIA 2 DOWEL HOLES .250+.001 DIA MATERIAL SIZE CASTING ALTERATION LETTERS ALTERATION… | ||
| scan0150 | Blueprint for an oil pump and distributor driving shaft. | ||
| View original record | PART NO. 10 H.P. TYPE 75 PART No. 03034 OIL PUMP & DISTRIBUTOR DRIVING SHAFT. MATL: M5030 BRINELL: 255-300 KEYWAY .172" DEEP x .156" WIDE TO SUIT NO. 6 WOODRUFF KEY DRILL & REAM FOR NO. 0 TAPER PIN… | ||
| scan0151 | Blueprint drawing of an oil filter assembly. | ||
| View original record | PART NO. 16HP 6CYL TYPE 75 I PART NO. 03040 OIL FILTER ASSEMBLY. 03042 03041 03044 03043 1 / 3 ALTERATION LETTERS ALTERATION NUMBERS MATERIAL SIZE THE ROVER CO. LTD. COVENTRY. CHECKED HMl DATE… | ||
| scan0152 | Blueprint for an Oil Pump Body. | ||
| View original record | TYPE 75. 76. 1. Part No 05888 OIL PUMP BODY. MATL: C30. BRINELL 150 MIN. ALTERATIONS LETTERS NUMBERS A 24/4/37 7306 SPOT FACE WITH .75 DIA CUTTER. 2 DOWEL HOLES .1875"+.1 DIA. 4 HOLES .328"+.8 DIA.… | ||
| scan0153 | Letter to The Rover Motor Co. Ltd. regarding the dispatch of bearings and materials for connecting rods. | ||
| View original record | 1020a 13th September 1937 Rm/Mths.9/AP. The Rover Motor Co.Ltd., COVENTRY For the attention of Mr.M.C.Wilks Dear Sirs, We are despatching today 12 rough machined bearings in Aluminium-Tin alloy… | ||
| scan0154 | The despatch of bearings and liners to the Rover Motor Co. Ltd. | ||
| View original record | 1020a. To G/Mt. c. to G/JWH. Rm/Mths.2/JH.14.9.37. Will you please arrange to have the following parts despatched 12 bearings. 26 liners. to the Rover Motor Co.Ltd., New Meteor Works, Coventry, and… | ||
| scan0155 | Letter to The Rover Motor Car Co. regarding the supply and fitting of engine bearing materials. | ||
| View original record | 1620 a. 17th September 1937 Rm/Mths.1/AP. The Rover Motor Car Co., New Meteor Works, COVENTRY For the attention of Mr.J.Swaine Dear Sirs, In answer to your letter of the 15th, we have sent the… | ||
| scan0156 | Letter from The Rover Company Ltd regarding Aluminium-Tin Alloy Bearings, crankshafts, and shims. | ||
| View original record | THE ROVER COMPANY LTD NEW METEOR WORKS: COVENTRY TELEPHONE: No 8081 (7 Lines) ALL COMMUNICATIONS TO BE ADDRESSED TO THE COMPANY AND NOT TO INDIVIDUALS London Service Depot. SEAGRAVE ROAD - FULHAM -… | ||
| scan0157 | Follow-up letter to The Rover Motor Co. Ltd. regarding the testing of supplied Aluminium-tin bearings. | ||
| View original record | 1020a Rm/Mths.11/JH. 27th October .1937. The Rover Motor Co.Ltd., New Meteor Works, COVENTRY. For the attention of Mr.J.Swaine. Dear Sirs, It is now some time since we heard from you with regard to… | ||
| scan0158 | Letter from The Rover Company Ltd regarding a delay in fitting Aluminium Tin Bearings. | ||
| View original record | TELEPHONE: No 8081 (7 Lines) 1020a ALL COMMUNICATIONS TO BE ADDRESSED TO THE COMPANY AND NOT TO INDIVIDUALS London Service Depot. SEAGRAVE ROAD . FULHAM . LONDON - S.W.6. Contractors to H. M.… | ||
| scan0159 | Letter from The Rover Company Ltd regarding a delay in bench tests for Aluminium Tin Alloy Bearings. | ||
| View original record | 1020a TELEPHONE: No 8081 (7 Lines) ALL COMMUNICATIONS TO BE ADDRESSED TO THE COMPANY AND NOT TO INDIVIDUALS London Service Depot SEAGRAVE ROAD · FULHAM · LONDON · S·W·6. Contractors to H. M.… | ||
| scan0160 | Letter to The Rover Co. Ltd. regarding a delay in testing Aluminium-tin bearings. | ||
| View original record | 1020a. Rm/Mths.11/JH. 10th November, 1937. The Rover Co.Ltd., New Meteor Works, COVENTRY. For the attention of Mr.J.Swaine. Dear Sirs, We thank you for your letter of the 3rd. inst. and note that you… | ||
| scan0161 | Letter to T.D. Wishart of Crossley Motors regarding a newly developed bearing alloy. | ||
| View original record | 1104 1020 Rm2/R. 15th August, 1938. T.D. Wishart, Esq., Crossley Motors Ltd., GORTON, Manchester. Dear Mr. Wishart, I am wondering whether you are having any problems with bearings on your oil engines… | ||
| scan0162 | Letter from Crossley Motors regarding problems with oil engine bearings. | ||
| View original record | 1020. CONTRACTORS TO BRITISH & FOREIGN GOVERNMENTS AND COLONIAL DEPARTMENTS. CUSTOMERS' CARS ARE ONLY DRIVEN BY OUR STAFF AT CUSTOMERS' OWN RISK AND RESPONSIBILITY. CROSSLEY MOTORS LTD REGISTERED… | ||
| scan0163 | Letter to Crossley Motors regarding a meeting to demonstrate the results of bearing alloy development work. | ||
| View original record | 1020a Rm8/R. 19th August, 1938. W.O. Taylor, Esq., Messrs. Crossley Motors Ltd., GORTON, Manchester. Dear Mr. Taylor, I wrote to Mr. Wishart, as per letter attached, and he has replied and suggested… | ||
| scan0164 | Letter from Crossley Motors Ltd. to arrange a visit to view a new bearing alloy. | ||
| View original record | CONTRACTORS TO BRITISH & FOREIGN GOVERNMENTS AND COLONIAL DEPARTMENTS. CUSTOMERS' CARS ARE ONLY DRIVEN BY OUR STAFF AT CUSTOMERS' OWN RISK AND RESPONSIBILITY. BY APPOINTMENT TO H.M THE KING. BY… | ||
| scan0165 | Letter to W.O. Taylor of Crossley Motors Ltd. suggesting a date for a visit and lunch. | ||
| View original record | 1020- Rm4/R. 23rd August, 1938. W.O. Taylor, Esq., Crossley Motors Ltd., GORTON, Manchester. Dear Mr. Taylor, Thank you for your letter of the 22nd August. I suggest Friday of this week, August 26th,… | ||
| scan0166 | Letter from Crossley Motors Ltd to Mr. Robotham regarding a meeting arrangement. | ||
| View original record | CONTRACTORS TO BRITISH & FOREIGN GOVERNMENTS AND COLONIAL DEPARTMENTS. BY APPOINTMENT TO H.M. THE KING. BY APPOINTMENT TO H.R.H. THE PRINCE OF WALES. CUSTOMERS' CARS ARE ONLY DRIVEN BY OUR STAFF AT… | ||
| scan0167 | Letter to Crossley Motors Ltd. regarding a special bearing material, clearances, and big-end bearing grooving. | ||
| View original record | 1020a (Experimental Dept.) Rm/CTS. 19th September, 1938. Messrs. Crossley Motors Ltd., Gorton, Manchester. Your Ref: WOT/LD. Dear Sirs, In reply to your letter of Sept. 9th, the special bearing… | ||
| scan0168 | Recommendation concerning holes in the crank pin and big end bearing. | ||
| View original record | Crossley Motors Ltd. -2- 19.9.38. Our recommendation here is to have no grooves in the big end, but to have two holes in the crank pin equally and oppositely opposed, and in the top half of the big… | ||