Rolls-Royce Archives
| Identifier | Entry | ||
| scan0001 | Letter from Hubert HP Trist & Company regarding the supply of B.W. Clutch Linings for testing. | ||
| View original record | BRANCHES: LONDON, NEWCASTLE, GLASGOW SWANSEA, CHESTER, LEEDS TRADE "TOP-DOG" MARK B. E. DRAPER HUBERT H.P. TRIST & COMPANY TELEGRAPHIC & CABLE ADDRESS SPECIALITIES BRISTOL TELEPHONES: (77093) BRISTOL… | ||
| scan0002 | Letter to Messrs. Hubert HP Trist & Co. acknowledging receipt of clutch discs for testing on an experimental car. | ||
| View original record | 1110 Experimental Dept. Rm/NRC.2/MH. 7th. November 1938. Messrs. Hubert H.P. Trist & Co., "Top-Dog" Brake & Clutch Lining Works, Brislington, BRISTOL, 4. For the attention of Mr. B.E.Draper. Dear… | ||
| scan0003 | Letter from Bendix Limited concerning an incorrect and delayed order for a 'Press-o-meter' instrument. | ||
| View original record | 1110. CABLES & TELEGRAMS: BENDIXCORP, BIRMINGHAM BENDIX LIMITED TYSELEY, BIRMINGHAM DIRECTORS: J. A. THOMSON, A. B. WARING, F. A. STANTON, U.S.A. TELEPHONE: ACOCKS GREEN 1601-2-3-4 Your Ref:… | ||
| scan0004 | Receipt of 'Top Dog' clutch facings for a Bentley III from Hubert HP Trist & Co. | ||
| View original record | 110 also 412 To Roy/Ms. from Rm/NRC. c. G/JWH. Rm/NRC.1/MH.7.11.38. RE BENTLEY III. We have received from Hubert H.P. Trist & Co., 4 - 10" x 6" "Top Dog" clutch facings as per their packing note… | ||
| scan0005 | Letter to Bendix Ltd. regarding a delayed order for a Press-o-meter. | ||
| View original record | 1110 EXPERIMENTAL DEPARTMENT. Rm/NRC.9/JH. 8th. November, 1938. Messrs. Bendix Ltd., Tyseley, BIRMINGHAM. For the attention of Mr. W.Moore. Dear Sirs, We thank you for your letter of 7th. The action… | ||
| scan0006 | Correspondence regarding the arrangement of clutch liners for testing on an experimental car. | ||
| View original record | BRANCHES: LONDON·NEWCASTLE·GLASGOW SWANSEA·CHESTER·LEEDS TRADE 'TOP-DOG' MARK file 1110 B. E. DRAPER HUBERT H.P. TRIST & COMPANY TELEGRAPHIC & CABLE ADDRESS SPECIALITIES BRISTOL OUR REF BED/JR/14,090… | ||
| scan0007 | Request from the Experimental Department to Messrs. Borg & Beck Co. Ltd. for two 10' clutches. | ||
| View original record | C. TO ROY/MS. O/N.52440. 1110 EXPERIMENTAL DEPARTMENT. Rm/NRC.2/JH. 10th. November, 1938. Messrs. Borg & Beck Co.Ltd., Tachbrook Road, Leamington. For the attention of Mr. Barker. Dear Sirs, Will you… | ||
| scan0008 | Letter to Borg & Beck requesting the reconditioning of a 10' driven plate with new 'Top Dog' facings. | ||
| View original record | 1110 HPS/WSC. Roy/Ms. O/N.52440 EXPERIMENTAL DEPARTMENT. Rm/NRC.3/JH.10. 10th. November, 1938. Borg & Beck Co.Ltd., Tachbrook Road, Leamington. For the attention of Mr. Barker. Dear Sirs, We are… | ||
| scan0009 | Letter to Borg & Beck Co. Ltd. regarding the performance and potential redesign of a 'Borglite' clutch plate for a Phantom III. | ||
| View original record | 1110 EXPERIMENTAL DEPARTMENT. Rm/NRC.8/JH. 10th. November, 1938. Borg & Beck Co.Ltd., Tachbrook Road, Lymington. For the attention of Mr. Armitage. 13½" Borglite Plate. Dear Sirs, We are pleased to… | ||
| scan0010 | Proposal for weight reduction on the B.60 engine flywheel and clutch casing modifications. | ||
| View original record | 1110 also 1044 To By. c. to Da. Rm/NRC.8/JH.10.11.38. B.60 Cast Iron Engine. Flywheel and Clutch Casing. We have been endeavouring to reduce the weight of the flywheel without appreciable loss of… | ||
| scan0011 | Letter from clutch manufacturer Borg & Beck regarding Borglite plates and new hub designs. | ||
| View original record | Telegrams BORGANBECK, LEAMINGTON SPA. Telephone LEAMINGTON SPA 1550-1. file 1110 BORG & BECK COMPANY LTD MANUFACTURERS OF CLUTCHES. Registered Office BROCK HOUSE, LANGHAM STREET, LONDON, W. 1. WORKS:… | ||
| scan0012 | Letter from Borg & Beck Company confirming the supply of four Long 10.C.F. clutches for a Bentley experimental application. | ||
| View original record | file 1190 Telegrams BORGANBECK, LEAMINGTON SPA. Telephone LEAMINGTON SPA 1550-1. BORG & BECK COMPANY LTD. MANUFACTURERS OF CLUTCHES. Registered Office BROCK HOUSE, LANGHAM STREET, LONDON, W. I. WORKS:… | ||
| scan0013 | Despatch request for a 10-inch Driven Plate and 'Top Dog' Facings to Messrs. Borg & Beck Ltd. | ||
| View original record | G/Alt. c. to D/Br. c. to Rm/NRC. 1110 File 110 ROY/FS.5. 14/11/38. o/52440. Please despatch carriage paid to:- Messrs. Borg & Beck Ltd., Tachbrook Road, Leamington Spa. 1. 10" Driven Plate. 2. 'Top… | ||
| scan0014 | Letter from Borg & Beck Company Ltd confirming receipt of a 10' Driven Plate and agreeing to carry out work without charge. | ||
| View original record | Handwritten top: Rec'd 16/11 Handwritten right: NRC Telegrams BORGANBECK, LEAMINGTON SPA. Telephone LEAMINGTON SPA 1550-1. BORG & BECK COMPANY LTD. MANUFACTURERS OF CLUTCHES. REGISTERED OFFICE BROCK… | ||
| scan0015 | Letter from Borg & Beck Company Ltd regarding a 13 1/4' Borglite Driven Plate assembly and enclosing print No. 44017/2. | ||
| View original record | 1110 Telegrams BORGANBECK, LEAMINGTON SPA. Telephone LEAMINGTON SPA 1550-1. BORG & BECK COMPANY LTD. MANUFACTURERS OF CLUTCHES. Registered Office BROCK HOUSE, LANGHAM STREET, LONDON, W.I. WORKS:… | ||
| scan0016 | Letter to Borg & Beck Co. Ltd. regarding a 13 1/4' Borqlite driven plate and the production of a hub. | ||
| View original record | 1110. EXPERIMENTAL DEPARTMENT. Rm/NRC.8/JH. 18th. November, 1938. Messrs. Borg & Beck Co.Ltd., Tachbrook Road, Leamington Spa. For the attention of Mr. A.M. Shinkins. Dear Sirs, re 13 1/4" Borqlite… | ||
| scan0017 | Letter from Wellworthy Piston Rings Ltd. discussing a new American bi-metal friction material for clutches and brakes. | ||
| View original record | WORKS TELEPHONE LYMINGTON 520 WORKS TELEGRAMS "WELLWORTHY" PRIVATE TELEPHONE LYMINGTON 232 MANAGING DIRECTOR'S OFFICE 1/110 Rm WELLWORTHY PISTON RINGS LTD., LYMINGTON HANTS JH/KES 24th November, 1938.… | ||
| scan0018 | Letter to Borg & Beck Co. Ltd. discussing the use of a 9-inch clutch for a light 4.5-litre car. | ||
| View original record | 1110 EXPERIMENTAL DEPARTMENT. Rm/NRC.16/JH. 24th. November, 1938. Messrs. Borg & Beck Co.Ltd., Tachbrook Road, Leamington Spa. For the attention of Mr. Armitage. Dear Sirs, We are considering the… | ||
| scan0019 | Clutch thrust spring pressures and calculations for 'Borg & Beck' and 'Long' clutches on Bentley vehicles. | ||
| View original record | 1110. To Da. from Rm/NRC. c. to By. c. to Hdy. Rm/NRC.1/JH.30.11.38. re Clutch Thrust Pressure 'Borg & Beck' and 'Long'. The following particulars of clutch thrust springs as actually used, will be of… | ||
| scan0020 | Specifications and calculations for various clutch types, detailing spring configurations and thrust values. | ||
| View original record | -2- Rm/NRC.1/JH.30.11.38. The L.O.P's. GB.2100 GB3793 and any other showing the 10" B. & B. clutch should be altered to read 6 Black springs and 3 green springs instead of 9 brown springs as… | ||
| scan0021 | Confirming that Borg & Beck are prepared to make new dies for the clutch hub splines at no extra charge. | ||
| View original record | 1110. To By. c. to Da. c. to Roy/Ms. Rm/NRC.3/JH.1.12.38. re Splines. Borg & Beck Clutch. Confirming our verbal report, we have now heard from B. & B. stating that they are prepared to make new dies… | ||
| scan0022 | Letter from the Experimental Department to Bendix Ltd. requesting an update on a press-o-meter. | ||
| View original record | 1110 EXPERIMENTAL DEPARTMENT. Rn/NRC.14/JH. 2nd. December, 1938. Messrs. Bendix Ltd., Tyseley, BIRMINGHAM. For the attention of Mr. W.W. Moore. Dear Sirs, With further reference to your letter WM/NP.… | ||
| scan0023 | Letter to Vandervell Products Ltd. inquiring about Sintered Bronze for road springs and discussing Clevite graphite bronze for clutch applications. | ||
| View original record | 1110 EXPERIMENTAL DEPARTMENT. Rm/NRC.15/JH. 2nd. December, 1938. Vandervell Products Ltd., Western Avenue, Park Royal, LONDON.W.3. For the attention of Mr. G.A.Vandervell. Dear Sirs, We would be… | ||
| scan0024 | Letter discussing the testing of sintered bronze facings and the inability to continue experiments due to the disposal of the test car. | ||
| View original record | -2- Rm/NRC.15/JH. 2nd. December, 1938. We had recently fitted to this car the Sintered bronze you recently supplied, the facings rings being made in 6 segments each, cut from the 12" x 3" samples you… | ||
| scan0025 | Letter from Vandervell Products Ltd. regarding the satisfactory performance of Clevite material and Sintered Bronze. | ||
| View original record | VANDERVELL PRODUCTS LTD. TELEGRAMS & CABLES: STEELBAK, LONDON. DIRECTORS: C. A. VANDERVELL. G. A. VANDERVELL. M. P. FOSTER. TELEPHONE ACORN 2251/2. MANUFACTURERS OF PRESSED BUSHINGS, STEEL BACKED… | ||
| scan0026 | Letter to Vandervell Ltd. regarding their experience with Graphite bronze interleaving and requesting material samples. | ||
| View original record | 1110 EXPERIMENTAL DEPARTMENT. Rm/N RC.8/JH. 7th. December, 1938. Messrs. Vandervell Ltd., Western Avenue, Park Royal, W.3. Dear Sirs, We thank you for your letter of the 5th. inst. and will be… | ||
| scan0027 | Letter from Bendix Limited acknowledging receipt of a letter and advising they have cabled their American company for an answer. | ||
| View original record | CABLES & TELEGRAMS: BENDIXCORP, BIRMINGHAM BENDIX LIMITED TYSELEY, BIRMINGHAM DIRECTORS: J.A.THOMSON A.B.WARING F.A.STANTON. U.S.A. TELEPHONE: ACOCKS GREEN 1601-2-3-4 [Handwritten annotations]: A.F.H.… | ||
| scan0028 | Letter from Vandervell Products Ltd. regarding the unsuitability of Sintered Bronze as an inter-leaf material for springs. | ||
| View original record | 1110 VANDERVELL PRODUCTS Ltd. TELEGRAMS & CABLES: STEELBAK, LONDON. DIRECTORS: C.A.VANDERVELL. G.A.VANDERVELL. M.P.FOSTER. TELEPHONE ACORN 2251/2. MANUFACTURERS OF PRESSED BUSHINGS, STEEL BACKED… | ||
| scan0029 | Letter to Borg & Beck Co.Ltd., concerning the production of an 11-inch driven plate with 1 3/8-inch splines. | ||
| View original record | C. to By. Da. Roy/Ms. 1110 EXPERIMENTAL DEPARTMENT. Rm/NRC.10/JH. 8th. December, 1938. Messrs. Borg & Beck Co.Ltd., Tachbrook Road, Leamington Spa. For the attention of Mr. Shimkins re 11" Driven… | ||
| scan0030 | Splines for the Borg & Beck clutch, stating a proposed change is not currently required. | ||
| View original record | file 1110 Rm/NRC. c.c. Dr. c.c. ROY/Ms. BY/Mtn3/N.9.12.38. re: Splines - Borg & Beck Clutch. ---------------------------- Referring to your memo Rm/NRC3/JH.1.12.38, kindly note, as the proposed change… | ||
| scan0031 | Letter from C.H. Rodway Ltd. offering their services for the manufacture and supply of flywheel ring gears. | ||
| View original record | TELEPHONE: CENTRAL 6611 TELEGRAMS "SHRUNKOGEA", BIRMINGHAM C. H. RODWAY LTD MANAGING DIRECTOR : F. B. WILLMOTT . DIRECTOR : D. F. WISEMAN MANUFACTURERS & DISTRIBUTORS TO THE MOTOR & ALLIED TRADES… | ||
| scan0032 | Continuation page of a letter from G. H. Rodway, Ltd. concerning the supply and fitting of gear. | ||
| View original record | Continuation No. 1. supplying and fitting of gear of any one size. Thanking you in anticipation, we are, Yours faithfully, G. H. RODWAY, LTD. [Signature: F.M. Willmott] Managing Director. | ||
| scan0033 | Price list and advertisement for 'Shrunk-on' and 'Bolt-on' flywheel gears for various vehicle makes. | ||
| View original record | PAGE 1 (Left Side): Prices subject to change without notice. Service Sizes of “Shrunk-on” and “Bolt-on” Gears. No. of Teeth | Name and Model | List Price (£ s d) --- | --- | --- E 79 R | Jowett 7 ...… | ||
| scan0034 | Data sheet listing specifications for 'Shrunk-on' and 'Bolt-on' Flywheel Ring Gears for various vehicle types. | ||
| View original record | "Shrunk-on" and "Bolt-on" Flywheel Ring Gears. BRITISH Passenger Car Types. Name and Model, No. of Teeth, Turn Diam., Outside Diam. A.J.S. 14/75, 11.9, E 121 FR, 14.250, 15.290 Armstrong (Siddeley)… | ||
| scan0035 | Comparing clutch thrust pressure and finger ratios between Borg & Beck and Long clutches. | ||
| View original record | 1110 To By. c. to Da. c. to Da/Hdy. Rm/NRC.8/JH.16.12.38. re Clutch Thrust Pressure. Borg & Beck & Long. With reference to memo. Rm/NRC.1/JH.30.11.38., it may at first appear somewhat paradoxical that… | ||
| scan0036 | Letter to G.H. Rodway Ltd. regarding the manufacturing process for starter teeth on flywheels. | ||
| View original record | 1110 EXPERIMENTAL DEPARTMENT. Rm/NRC.4/JH. 16th. December, 1938. G.H. Rodway Ltd., 90, Moor Street, BIRMINGHAM.4. For the attention of Mr. Willmott. Dear Sirs, We thank you for your letter of the 12th… | ||
| scan0037 | Rationalization of flywheels for Wraith & Bentley models. | ||
| View original record | 1110 To By. c. to Da. c. to Rm/Swdl. c. to Rm/Wym. c. to Rm/Cr. c. to By/NS. Rm/NRC.16/JH.20.12.38. FLYWHEELS, WRAITH & BENTLEY. Attached is chart Rm.571, showing the various fly-wheels which have… | ||
| scan0038 | Letter from the Experimental Department to Borg & Beck Co. Ltd. requesting specific clutch parts. | ||
| View original record | 1110 C. to Roy/Ms. C. to G/JWH. EXPERIMENTAL DEPARTMENT. Rm/MRC.20/JH. 22nd. December, 1938. Borg & Beck Co.Ltd., Tachbrook Road, Leamington Spa. re 11" Long C.F. Clutch. Dear Sirs, Will you please… | ||
| scan0039 | Instructions to prepare one flywheel and clutch assembly for a 6-cylinder B. 60-1 unit. | ||
| View original record | 1110 also 10HH To HPT. c.c. to Da. c.c. to Ry/Sc. c.c. to Rm/Twdl. c.c. to Rm/Cr. Rm/HRC.B/JH.22.12.38. re 6 cyl. B. 60-1 Unit. Flywheel & Clutch. Please prepare one flywheel to the drawings herewith… | ||
| scan0040 | Letter to Borg & Beck Co. Ltd. regarding a discrepancy in Long C.F. Clutch specifications. | ||
| View original record | 1110 EXPERIMENTAL DEPARTMENT. Rm/NRC.10/JH. 23rd. December, 1938. Messrs. Borg & Beck Co.Ltd., Tachbrook Road, Leamington Spa. re Long C.F. Clutches. Dear Sirs, On comparing the specifications BB.460… | ||
| scan0041 | Letter from Borg & Beck Company Ltd regarding corrected calculations for clutch assemblies. | ||
| View original record | Telegrams BORGANBECK, LEAMINGTON SPA. Telephone LEAMINGTON SPA 1550-1. BORG & BECK COMPANY LTD MANUFACTURERS OF CLUTCHES. Registered Office BROCK HOUSE, LANGHAM STREET, LONDON, W. 1. WORKS: Tachbrook… | ||
| scan0042 | Letter to Wellworthy Piston Rings Ltd. regarding sintered bronze clutch materials. | ||
| View original record | 1110 Rm10/R. 3rd. January, 1939. J.Howlett, Esq., Wellworthy Piston Rings Ltd., Lymington, Hants: Dear Howlett, Elliott has handed me your letter of the 24th. November. We do not know how this stuff… | ||
| scan0043 | Letter to Borg & Beck Co. Ltd. regarding the supply and specification of 10' and 11' clutch plates. | ||
| View original record | 1110 c. Roy/Ms. EXPERIMENTAL DEPARTMENT. Rm/NRC.14/JH. 13th. January, 1939. Messrs. Borg & Beck Co.Ltd., Tachbrook Road, Leamington Spa. re 10" and 11" Clutch Plate. Dear Sirs, We thank you for the… | ||
| scan0044 | Letter from Borg & Beck confirming an order for two 10' Driven Plates with a hub broaching specification change. | ||
| View original record | Telegrams BORGANBECK, LEAMINGTON SPA. Telephone LEAMINGTON SPA 1550-1. fit 1110 BORG & BECK COMPANY LTD MANUFACTURERS OF CLUTCHES. Registered Office BROCK HOUSE, LANGHAM STREET, LONDON, W. 1. WORKS:… | ||
| scan0045 | Recommendation to fit test bed clutches with stronger thrust springs to avoid trouble during testing. | ||
| View original record | 11/10 To HPS/FS. c. to Rm/Swdl. Rm/NRC.23/JH.18.1.39. Clutches on test beds. In view of the fact that we use old driven plates on test beds, and most of these are or have been oily, it will be… | ||
| scan0046 | Request to Borg & Beck Co. Ltd. for five 10' Long C.F. clutches for experimental work. | ||
| View original record | 1110 C. to Bøy/Ms. EXPERIMENTAL DEPARTMENT. Rm/NRC.9/JH. 20th. January, 1939. Messrs. Borg & Beck Co.Ltd., Tachbrokk Road, Leamington Spa. Dear Sirs, Will you please prepare for experimental work,… | ||
| scan0047 | Letter from Borg & Beck Company Ltd. acknowledging a request for five Long 10.C.F. clutches. | ||
| View original record | Telegrams BORGANBECK, LEAMINGTON SPA. Telephone LEAMINGTON SPA 1550-1. 1110 file BORG & BECK COMPANY LTD MANUFACTURERS OF CLUTCHES. Registered Office BROCK HOUSE, LANGHAM STREET, LONDON, W. 1. WORKS:… | ||
| scan0048 | Letter from Bendix Limited regarding the supply and delivery timeline for a Pedal-Pressure Gauge. | ||
| View original record | BENDIX LIMITED TYSELEY, BIRMINGHAM CABLES & TELEGRAMS: BENDIXCORP, BIRMINGHAM TELEPHONE: ACOCKS GREEN 1601-2-3-4 DIRECTORS: J.A.THOMSON A.B.WARING F.A.STANTON. U.S.A. Handwritten: file 1110 Your… | ||
| scan0049 | Request to Borg & Beck Co.Ltd. for another copy of an installation drawing for a 10' Long Clutch. | ||
| View original record | 1110 EXPERIMENTAL DEPARTMENT. Rm/NRC.5/JH. 4th. February, 1939. Messrs. Borg & Beck Co.Ltd., Tachbrook Road, Leamington Spa. For the attention of Mr. Barker. Dear Sirs, We would esteem it a favour if… | ||
| scan0050 | Letter from Borg & Beck Company Ltd enclosing a copy of Drawing No. 22000/2 for the Long Model 10.C.F. Clutch. | ||
| View original record | Telegrams BORGANBECK, LEAMINGTON SPA. Telephone LEAMINGTON SPA 1550-1. BORG & BECK COMPANY LTD. MANUFACTURERS OF CLUTCHES. Registered Office BROOK HOUSE, LANGHAM STREET, LONDON, W.1. WORKS: Tachbrook… | ||
| scan0051 | Standardisation and cost-saving opportunities for clutches supplied by Borg & Beck Ltd. | ||
| View original record | 1110 also 1260 To By. c. to Roy/Les. c. to Hs. c. to Roy. Rm/NRC.1/JH.8.2.39. Clutches Supplied by Borg & Beck Ltd., re Roy/Les.1/ER.1.2.39. - 1260 file We agree that there are certain items for which… | ||
| scan0052 | Technical specifications and procedures for clutch components. | ||
| View original record | -2- We think 1/- is a very reasonable sum for Bonderizing and Enamelling, especially as B. & B. have to send the cover out for this work. An alternative to consider is a blue-black finish, which is… | ||
| scan0053 | Note on the process and cost for the special finish of a pressure plate. | ||
| View original record | -3- Rm/NRC.1/JH.8.2.39. ITEM 12. SPECIAL FINISH OF PRESSURE PLATE - -/6d. This consists mainly in filing up the part of the driving lugs, which project through the cover, and is purely a matter of… | ||
| scan0054 | Letter to Ferodo Ltd. requesting the supply of four clutch facings. | ||
| View original record | c. to Roy/Ms. 1110 EXPERIMENTAL DEPARTMENT. Rm/NRC.4/JH. 10th. February, 1939. Messrs. Ferodo Ltd., Chapel-en-le-Frith. For the attention of Mr. Chilton. Dear Sirs, In confirmation of our conversation… | ||
| scan0055 | Letter to supplier Borg & Beck Co. Ltd. requesting the preparation of two clutches with modified springs for a 'Continental' Bentley. | ||
| View original record | 1110 c. to Roy/Ms. ) As arranged c. to HPS/WSC. ) for Bentley c. to HPS/FS. ) S. c. to Rm/Swdl. ) EXPERIMENTAL DEPARTMENT. Rm/NRC.14/JH. 14th. February, 1939. Messrs. Borg & Beck Co.Ltd., Tachbrook… | ||
| scan0056 | Outlining recommendations for clutches supplied by Borg & Beck. | ||
| View original record | 1/10 By. c. Roy/Les. c. Hs. c. Roy. Rm/NRC 1/ER 16.2.39. Clutches supplied by Borg & Beck. The points raised in Roy/Les 1/ER and Rm/NRC 1/JH 8.2.39. were discussed by By, Rm, Les and NRC, and the… | ||
| scan0057 | Letter from Borg & Beck Company Ltd confirming an order for two special clutches and their specifications. | ||
| View original record | Telegrams BORGANBECK, LEAMINGTON SPA. Telephone LEAMINGTON SPA 1550-1. file 1110 BORG & BECK COMPANY LTD MANUFACTURERS OF CLUTCHES. Registered Office BROCK HOUSE, LANGHAM STREET, LONDON, W. I. WORKS:… | ||
| scan0058 | Requesting the dispatch of four clutch facings to B. & B. Leamington Spa. | ||
| View original record | 11/10 To HPS/WSC. Rm/NRC.5/JH.17.2.39. Please send to B. & B. Leamington Spa., Four 10" x 6" x .125 clutch facings in RAD.11 herewith. Copy of letter Rm/NRC.14/JH.14.2.39. already issued. Rm/NRC. | ||
| scan0059 | The re-drawing and re-numbering of a flexible flywheel rim. | ||
| View original record | 1110 To HPS. c. to HPS/WFC. c. to HPS/FS. Rm/NRC.10/JH.18.2.39. FLEXIBLE FLYWHEEL DRAWINGS. Please note that the flywheel rim Rm.569 will in future be known as GB.4758 as it has now been re-drawn by… | ||
| scan0060 | Advice note for the dispatch of ten A3 clutches with detailed specifications. | ||
| View original record | Form E4/B FILE 1110 BORG & BECK CO., LTD. Tachbrook Road, LEAMINGTON SPA, Warwickshire TELEPHONE: 1550 | 1551 LEAMINGTON TELEGRAMS: BORGANBECK, LEAMINGTON. DIRECTORS: E. B. BOUGHTON, W. EMMOTT, D. T.… | ||
| scan0061 | Advice note from Borg & Beck Co. Ltd. for the dispatch of one modified Long 10 inch CF Clutch for a Bentley 'S'. | ||
| View original record | Form E4/B. FILE 1110 BORG & BECK CO., LTD. Tachbrook Road, LEAMINGTON SPA, Warwickshire TELEPHONE: 1550 | 1551 LEAMINGTON TELEGRAMS: BORGANBECK, LEAMINGTON. DIRECTORS: E. B. BOUGHTON. W. EMMOTT. D. T.… | ||
| scan0062 | Letter to Borg & Beck Co. Ltd. concerning a dimensional preference for 11' Thermoid clutch facings. | ||
| View original record | 1120 c. to By/CRL. for information only. c. RHC/Mr. Cogswell. EXPERIMENTAL DEPARTMENT. Rm/NRC.10/JH. 6th. March, 1939. Messrs. Borg & Beck Co.Ltd., Tachbrook Road, Leamington Spa. For the attention of… | ||
| scan0063 | Letter to Borg & Beck Co. Ltd. from the Experimental Department requesting clutch plate thickness specifications. | ||
| View original record | 1110 EXPERIMENTAL DEPARTMENT. Rm/NRC.9/JH. 6th. March, 1939. Messrs. Borg & Beck Co.Ltd., Tachbrook Road, Leamington Spa. For the attention of Mr. Barker. Dear Sirs, re Long Clutches. With reference… | ||
| scan0064 | Letter from Borg & Beck regarding specifications for 'Long' type clutches. | ||
| View original record | Telegrams BORGANBECK, LEAMINGTON SPA. Telephone LEAMINGTON SPA 1550-1. BORG & BECK COMPANY LTD. MANUFACTURERS OF CLUTCHES. Registered Office BROCK HOUSE, LANGHAM STREET, LONDON, W. 1. WORKS: Tachbrook… | ||
| scan0065 | Letter from Borg & Beck regarding the dimensions of 11 inch Thermoid clutch facings. | ||
| View original record | Telegrams BORGANBECK, LEAMINGTON SPA. Telephone LEAMINGTON SPA 1550-1. BORG & BECK COMPANY LTD MANUFACTURERS OF CLUTCHES. Registered Office BROCK HOUSE, LANGHAM STREET, LONDON, W. 1. WORKS: Tachbrook… | ||
| scan0066 | Letter from the Experimental Department to Bendix Ltd. regarding a delayed delivery of a Pedal Pressure Gauge. | ||
| View original record | 1110. c. to Roy/MS. EXPERIMENTAL DEPARTMENT. RM/NRC.10/JH. 8th. March, 1939. Messrs. Bendix Ltd., Tyseley, BIRMINGHAM. For the attention of Mr. Moore. Dear Sirs, With reference to your favour of Jan.… | ||
| scan0067 | Letter from Bendix Limited replying to an enquiry and confirming they have contacted their American company. | ||
| View original record | 1110 CABLES & TELEGRAMS: BENDIXCORP, BIRMINGHAM BENDIX LIMITED DIRECTORS: J.A.THOMSON A.B.WARING F.A.STANTON, U.S.A. TYSELEY, BIRMINGHAM BENDIX SERVICE TELEPHONE: ACOCKS GREEN 1601-2-3-4 Your… | ||
| scan0068 | Requesting two 11-inch Long clutches for B.80 engines be sent to B. & B. in Leamington Spa. | ||
| View original record | 1110 & 812. 1out To HPS. Rm/NRC.12/JH.24.3.39. re 11" Clutch. B.80 Engines. Will you please send to B. & B., Leamington Spa, the two 11" Long clutches which have been prepared for the B.80 engines.… | ||
| scan0069 | Letter to Borg & Beck Co. Ltd. regarding the supply and modification of clutches for experimental engines. | ||
| View original record | EXPERIMENTAL DEPARTMENT. Rm/NRC.11/JH. 24th. March, 1939. Messrs. Borg & Beck Co.Ltd., Tachbrook Road, Leamington Spa. For the attention of Mr. Armitage. Dear Sirs, In confirmation of our 'phone call… | ||
| scan0070 | Letter from Borg & Beck Company Ltd. regarding a specification change for special thrust springs in an 11.C.F. clutch. | ||
| View original record | Telegrams BORGANBECK, LEAMINGTON SPA. Telephone LEAMINGTON SPA 1550-1. file 1110 BORG & BECK COMPANY LTD MANUFACTURERS OF CLUTCHES. Registered Office BROCK HOUSE, LANGHAM STREET, LONDON, W.1. WORKS:… | ||
| scan0071 | Specification and recommendation sheet for a Borg & Beck clutch for an experimental vehicle type. | ||
| View original record | FORM G. 8/B. BORG & BECK CLUTCHES. BORG & BECK COMPANY, LTD. TACHBROOK ROAD, LEAMINGTON SPA, WARWICKSHIRE. Index MAKE OF VEHICLE: Rolls-Royce TYPE: Experimental No. MODEL YEAR SERIAL No. Date: 27.3.39… | ||
| scan0072 | Blank specification and recommendation form for Borg & Beck clutches. | ||
| View original record | FORM G. 8/B. BORG & BECK CLUTCHES. Index BORG & BECK COMPANY, LTD. TACHBROOK ROAD, LEAMINGTON SPA, WARWICKSHIRE. No. Date MAKE OF VEHICLE TYPE MODEL YEAR SERIAL NO. SPECIFICATION. Weight Total Loaded… | ||
| scan0073 | Blank specification and recommendation form for Borg & Beck clutches. | ||
| View original record | FORM G. 8/B. BORG & BECK CLUTCHES. BORG & BECK COMPANY, LTD. TACHBROOK ROAD, LEAMINGTON SPA, WARWICKSHIRE. Index MAKE OF VEHICLE TYPE No. MODEL YEAR SERIAL NO. Date SPECIFICATION. Weight Total Loaded… | ||
| scan0074 | Blank specification and recommendation form for Borg & Beck clutches. | ||
| View original record | FORM G. 8/B. BORG & BECK CLUTCHES. BORG & BECK COMPANY, LTD. TACHBROOK ROAD, LEAMINGTON SPA, WARWICKSHIRE. Index No. Date MAKE OF VEHICLE TYPE MODEL YEAR SERIAL No. SPECIFICATION. Weight Total Loaded… | ||
| scan0075 | Letter from Bendix Limited regarding a delayed shipment of a Press-o-Meter. | ||
| View original record | 1110 CABLES & TELEGRAMS: BENDIXCORP, BIRMINGHAM BENDIX LIMITED DIRECTORS: J. A. THOMSON A. B. WARING F. A. STANTON, U.S.A. TYSELEY, BIRMINGHAM BENDIX SERVICE TELEPHONE: ACOCKS GREEN 1601-2-3-4 N.R.C.… | ||
| scan0076 | Instruction to build all 8-cylinder engines with a flexible flywheel and 11' Long clutch. | ||
| View original record | 1110 & 1044 HPS. from Rm. Rm3/R.1.4.39. Will you please build all 8-cylinder engines, until further notice, with a flexible flywheel and 11" Long clutch to Rm.573. Rm. | ||
| scan0077 | Letter from Borg & Beck Company Ltd. regarding the Long 10.C.F. Clutch. | ||
| View original record | file 1110 Telegrams BORGANBECK, LEAMINGTON SPA. Telephone LEAMINGTON SPA 1550-1. BORG & BECK COMPANY LTD MANUFACTURERS OF CLUTCHES. Registered Office BROCK HOUSE, LANGHAM STREET, LONDON, W. 1. WORKS:… | ||
| scan0078 | Confirming the pricing for 10' Long type clutches in comparison to Borg & Beck clutches. | ||
| View original record | fil 1110 Rm/NRC. "oy/Les 8/ER 18.4.39. Clutch Prices. This is to confirm our conversation that the 10" Long type clutch will be approximately 3/6d. and is more expensive than the 10" Borg & Beck. For… | ||
| scan0079 | Flywheel and clutch component specifications for specific chassis units. | ||
| View original record | 1110. To HPS. c. to HPS/RH. c. to Rm/Swdl. c. to Rm/Wym. c. to By/NS. Rm/NRC.14/JH.24.4.39. FLYWHEEL & CLUTCH. Confirming our conversation, please fit the following :- Unit W.3.10. for chassis 14.B.V.… | ||
| scan0080 | Guide for identifying Long clutches for various engines by thrust spring colour and part numbers. | ||
| View original record | 1110 To Da. from Rm/NRC. Rm/NRC.1ZMH.26.4.39. c. By/CKL. c. By/NS. c. HPS/RH. c. Rm/Wya. c. Rm/FD. RE LONG CLUTCHES. In order to identify at sight the correct Long clutches for various engines, the… | ||
| scan0081 | Letter to Borg & Beck Co. Ltd. regarding the use of their C.F. Long Clutches on experimental engines. | ||
| View original record | 1110 EXPERIMENTAL DEPARTMENT. Rm/NRC.3/JH. 26th. April, 1939. Messrs. Borg & Beck Co.Ltd., Tachbrook Road, Leamington Spa. Dear Sirs, re 11 C.F. Long Clutch. We thank you for your TS/AMS/LP. of March… | ||
| scan0082 | Letter to Borg & Beck Co. Ltd. requesting two 10 inch Long C.F. clutches for an experimental 3¼ litre engine. | ||
| View original record | 1110 C. Roy. C. Roy/Les. EXPERIMENTAL DEPARTMENT. Rm/WRC.2/JH. 26th. April, 1939. Messrs. Borg & Beck Co.Ltd., Tachbrook Road, Leamington Spa. Dear Sirs, re 10" Long Clutch. for Experimental 3¼ litre… | ||
| scan0083 | Request to Borg & Beck Co. Ltd. for an assembly drawing and stock availability of a 9' Long C.F. clutch. | ||
| View original record | 110 EXPERIMENTAL DEPARTMENT. Rm/NRC.5/JH. 4th. May, 1939. Messrs. Borg & Beck Co.Ltd., Tachbrook Road, Leamington Spa. Dear Sirs, Would you be good enough to send us an assembly drawing showing the… | ||
| scan0084 | Letter to Borg & Beck Co. Ltd. requesting the preparation of experimental 11 inch long clutches. | ||
| View original record | c. Roy. c. G/Mt. Rm/NRC.13/WH Experimental Dept. 22nd.May, 1939. Messrs.Borg & Beck Co. Ltd., Tachbrook Road, LEAMINGTON SPA, Warwicks. Dear Sir, 11" Long Clutches. Please prepare for Experimental… | ||
| scan0085 | Scheme for additions to the clutch servo test rig for all cars. | ||
| View original record | BY/NS. c. Rm. c. BY/Ald. 1110 DA.6/G.22.5.39. TEST BENCH. (ALL CARS) PD.440 ADDITIONS TO CLUTCH SERVO TEST RIG. (PD.431). This scheme shows some features now desired on this Test Rig - air bleed tap;… | ||
| scan0086 | Letter from Borg & Beck Company Ltd acknowledging an order for Long 11 C.F. Clutches and confirming urgent delivery for one specific assembly. | ||
| View original record | Telegrams BORGANBECK, LEAMINGTON SPA. file 1110 Telephone LEAMINGTON SPA 1550-1. BORG & BECK COMPANY LTD MANUFACTURERS OF CLUTCHES. Registered Office BROCK HOUSE, LANGHAM STREET, LONDON, W. I. WORKS:… | ||
| scan0087 | Querying the need for a covering order and payment details for eight 11' Long Clutches supplied by Borg & Beck Ltd. | ||
| View original record | 1110 Rm/NRC. Roy/AW.47/IB. 24. 5. 39. Is it necessary for us to issue a covering order to Messrs. Borg & Beck Ltd., for the eight - 11" Long Clutches referred to in your memo' Rm/NRC.13/MH., of the… | ||
| scan0088 | Clutch fierceness issues with graphite bronze facings on the 20/25 model. | ||
| View original record | 1110 + 1113. W/K - GWH. Rm/NRC.2/JH.25.5.39. 20/25 Clutch - Graphite Bronze. Rm/GWH.8/N.24.5.39. Fierceness is a trouble not so far experienced after nearly 1 1/2 years of successful application of… | ||
| scan0089 | Pricing for a small quantity of 8 11' Long Clutches. | ||
| View original record | 1110 To Roy/AW. Rm/NRC.3/JH.25.5.39. re 8 11" Long Clutches. In reply to Roy/AW.47/IB.24.5.39. There is no question of these clutches being supplied free of charge, the prices for this small quantity… | ||
| scan0090 | Letter to Vandervell Products Ltd. regarding bad clutch judder experienced after fitting Graphite Bronze Clutch Facings. | ||
| View original record | 1110 EXPERIMENTAL DEPARTMENT. Rm/NRC.10/JH. 2nd. June, 1939. Vandervell Products Ltd., Western Avenue, Park Royal, LONDON.W.3. re Graphite Bronze Clutch Facings. G.57319. Dear Sirs, During the last… | ||
| scan0091 | Letter to Vandervell Products Ltd. concerning a variable factor in bronze facings. | ||
| View original record | -2- Vandervell Products Ltd. 2nd. June, 1939. of the bronze facing is the only possibly variable factor we can think of, as, so far as we can say, all the other conditions are exactly as they always… | ||
| scan0092 | Technical analysis of Borg & Beck 10' and 11' spring driven clutch plates. | ||
| View original record | 1110 To Da. c. to Hdy. Rm/WRC.5/JH.16.6.39. BORG & BECK DRIVEN PLATES. The spring drives in the hubs of the 10" and 11" plates are identical except for a small difference in the strength of the… | ||
| scan0093 | Continued document discussing improvements to transmission rattle and chatter. | ||
| View original record | -2- Rm/NRC.5/JH.16.6.39. Cont'd. customers, because experience has shown that they are very benificial in improving transmission rattle and chatter on most cars. Rm/NRC. | ||
| scan0094 | Letter to Borg & Beck Co. Ltd. requesting the manufacture of a special 10' clutch plate for experimental work. | ||
| View original record | 1110 C. to Les. C. to G/Mt. O/N.52440. C. to HPS/WSC. EXPERIMENTAL DEPARTMENT. Rm/NRC.16/JH.2 27th. June, 1939. Messrs. Borg & Beck Co.Ltd., Tachbrook Road, Leamington Spa. Dear Sirs, Special 10"… | ||
| scan0095 | Requesting the dispatch of two parcels containing broken clutch pressure plates to B. & B. Ltd. | ||
| View original record | 1110 To HPS/WSC. c. to By. Rm/NRC.16/JH.30.6.39. re 11" B. & B. Clutch. We attach copy of our letter ref. Rm/NRC.17/JH. 30.6.39. to B. & B. Ltd. Will you please despatch to them the two parcels… | ||
| scan0096 | Letter to Borg & Beck Co. Ltd. regarding the failure of two clutch pressure plates during testing. | ||
| View original record | To By. To HPS/WSC. EXPERIMENTAL DEPARTMENT. Rm/NRC.17/JH. 30th. June, 1939. Messrs. Borg & Beck Co.Ltd., Tachbrook Road, LEAMINGTON SPA. re 11" Clutches. Dear Sirs, In confirmation of our 'phone… | ||
| scan0097 | Letter concerning the low tensile strength of iron castings and comparing engine test bed conditions to on-road conditions. | ||
| View original record | -2- Rm/NRC.17/JH. 30th. June, 1939. If as we fear, the iron turns out to be of low tensile, we would be glad to know if you are able to trace whether or not both came from the same batch of castings,… | ||
| scan0098 | Instructions for modifying clutch plates to eliminate transmission rattles. | ||
| View original record | 1110 To HPS. c. to Rm/Gry. c. to Rm/FD. Rm/NRC.3/JH.30.6.39. CLUTCH PLATE & TRANSMISSION RATTLES. Please take a standard B. & B. 11" clutch plate ex stock :- (1) Drill out the rivets which hold the… | ||
| scan0099 | Letter from Borg & Beck Company Ltd. regarding a special 10 inch driven plate assembly. | ||
| View original record | 1110 Telegrams BORGANBECK, LEAMINGTON SPA. Telephone LEAMINGTON SPA 1550-1. BORG & BECK COMPANY LTD MANUFACTURERS OF CLUTCHES. Registered Office BROCK HOUSE, LANGHAM STREET, LONDON, W. 1. WORKS:… | ||
| scan0100 | Letter from clutch manufacturer Borg & Beck regarding an investigation into broken pressure plates. | ||
| View original record | Telegrams BORGANBECK, LEAMINGTON SPA. Telephone LEAMINGTON SPA 1550-1. file 1110 BORG & BECK COMPANY LTD. MANUFACTURERS OF CLUTCHES. Registered Office BROCK HOUSE, LANGHAM STREET, LONDON, W.1. WORKS:… | ||
| scan0101 | Letter from Borg & Beck Company Limited regarding the conclusion of tests and the status of plates on the road. | ||
| View original record | Continuation No. 1 Messrs. Rolls Royce Ltd. 3rd July, 1939 As mentioned in the foregoing we will contact with you in the course of a day or so when our tests are through, but in the meantime we feel… | ||
| scan0102 | Letter to supplier Borg & Beck Ltd. detailing faults found in a consignment of 10' Long clutches. | ||
| View original record | 110 c. to RHC/McC. EXPERIMENTAL DEPARTMENT. Rm/NRC.17/JH. 21st. July, 1939. Messrs. Borg & Beck Ltd., Tachbrook Road, Leamington Spa. For the attention of Mr. Armitage. Dear Sirs, re 10" Long clutch.… | ||
| scan0103 | Letter agreeing to a suggestion to send 6 clutches with the adjusting screws unlocked. | ||
| View original record | -2- Rm/NRC.17/JH. 21st. July, 1939. We agree to your suggestion, per phone, that you send us 6 clutches with the adjusting screws not locked*, we trust however, that you will shortly be able to send… | ||
| scan0104 | Letter from clutch manufacturer Borg & Beck regarding problems with a recent consignment. | ||
| View original record | Telegrams BORGANBECK, LEAMINGTON SPA. BORG & BECK COMPANY LTD. MANUFACTURERS OF CLUTCHES. Registered Office BROCK HOUSE, LANGHAM STREET, LONDON, W.1. WORKS: Tachbrook Road, LEAMINGTON SPA,… | ||
| scan0105 | Thickening of the flexible flywheel friction plate, updating part numbers, and requesting testing. | ||
| View original record | 1//10 To HPS/RH. c. to HPS/WSC. c. to By/CRL. Rm/NRC.7/JH.9.8.39. Friction Plate, Flexible Flywheel. The friction plate has now been thickened to reduce risk of distortion or cracking. For 10" Long… | ||
| scan0106 | Letter from Hubert HP Trist & Company regarding 'Top Dog' B.W. quality clutch facings sent for testing. | ||
| View original record | 1110 BRANCHES: LONDON . NEWCASTLE . GLASGOW SWANSEA . CHESTER . LEEDS TRADE 'TOP-DOG' MARK B. E. DRAPER HUBERT H.P. TRIST & COMPANY TELEGRAPHIC & CABLE ADDRESS SPECIALITIES BRISTOL TELEPHONES: {77093… | ||
| scan0107 | Letter to Hubert HP Trist & Co. regarding a delay in road tests for 'Top Dog' clutch facings. | ||
| View original record | 110 EXPERIMENTAL DEPARTMENT. Rm/NRC.6/JH. 17th. August, 1939. Hubert H.P. Trist & Co. Brislington, Bristol.4. Dear Sirs, re Top Dog Clutch Facings. In reply to your letter ref. BED/JR/16,156, we… | ||
| scan0108 | Letter to Borg & Beck Co.Ltd. regarding difficulties with a 10' Long Clutch, enclosing a memo for review. | ||
| View original record | 1110 + 412 EXPERIMENTAL DEPARTMENT. Rm/NRC.7/JH. 18th. August, 1939. Borg & Beck Co.Ltd., Tachbrook Road, Leamington Spa. For the attention of Mr. Armitage. re 10" Long Clutch. Dear Sirs, With… | ||
| scan0109 | Issues and resolutions for Bentley V Long 10' clutches with supplier Borg & Beck. | ||
| View original record | To RRC/GMJ. c. to Mr. Turner. c. to Mr. Crouch. c. to Mr. Parker. c. to Ey. c. to Borg & Beck Co. RM/NRC.1/JH.1/S.39. re Bentley V Long 10" Clutch. 32 clutches were returned to Borg & Beck on July… | ||
| scan0110 | Clutch balancing issues, including flywheel hole tolerances and cover pressing distortion. | ||
| View original record | -2- Rm/NRS.1/JH.17.8.39. Balancing. Some difficulty has been experienced by B. & B. in checking the balance of some of the clutches we have returned owing to the fact that we have reamed out the holes… | ||
| scan0111 | Letter to Borg & Beck Co. Ltd. regarding dimensions and drawings for 10' and 11' long clutches. | ||
| View original record | 1110 EXPERIMENTAL DEPARTMENT. Rm/NRC.2/JH. 19th. August, 1939. Borg & Beck Co.Ltd., Tachbrook Road, Leamington Spa. For the attention of Mr. Armitage. Dear Sirs, re 10" & 11" Long Clutches. The… | ||
| scan0112 | Letter from Borg & Beck Company Ltd. confirming arrangements discussed during Mr. Chandler's visit. | ||
| View original record | Telegrams BORGANBECK, LEAMINGTON SPA. Telephone LEAMINGTON SPA 1550-1. fel 1110 BORG & BECK COMPANY LTD. MANUFACTURERS OF CLUTCHES. Registered Office BROCK HOUSE, LANGHAM STREET, LONDON, W.1. WORKS:… | ||
| scan0113 | Letter to Joseph Lucas Ltd. regarding a new type of starting motor clutch received from Delco Products, USA. | ||
| View original record | 1110 Experimental Dept. Rm/FWK.13/MH. 21st. August, 1939. Messrs. Joseph Lucas Ltd., Great King Street, BIRMINGHAM, 19. For the attention of Mr. W.G.Robinson. Dear Sirs, We have recently received from… | ||
| scan0114 | Letter to Messrs. Joseph Lucas Ltd. regarding a Bendix Pinion unit. | ||
| View original record | Messrs. Joseph Lucas Ltd. -2- 21st. August, 1939. The unit is said to take the place of the normal Bendix Pinion, but we cannot say what method of dis-engage-ment from the flywheel is employed when… | ||
| scan0115 | Loaning a starting motor clutch to Messrs. Joseph Lucas. | ||
| View original record | 1110 To Hd/FC. c. to D/BP. Rm/FWK.2/JH.22.8.39. Starting Motor Clutch. Will you please despatch to Messrs. Joseph Lucas, Birmingham, the starting Motor clutch which we handed to you this morning. This… | ||
| scan0116 | Request for a complete list of flywheels fitted to experimental cars and a table of available experimental flywheels. | ||
| View original record | 1110 To NRC. From Rm. Rm.20/MH.21.12.39. We are severely handicapped by not having a complete list of the flywheels fitted to our experimental cars, and also a table of the experimental flywheels that… | ||
| scan0117 | Seeking advice on stuck clutches in cars stored for the duration of the War. | ||
| View original record | 1110 Rm. o W/S = C: Hd/Sd10/MW24.1.40. re: Care of Clutch on Cars in Storage. --------------------------------- With further reference to our recent telephone conversation re Wraith clutches having… | ||
| scan0118 | Susceptibility of clutches with Thermoid linings to sticking on stored car models. | ||
| View original record | 1110 To Hd. from Rm. c. C. W/S. Rm.1/MH.25.1.40. CLUTCHES ON CARS STORED. With reference to Hd/SD.10/MW.24.1.40, as we do not lay up cars for storage in the Experimental Dept. we have no experience of… | ||
| scan0119 | Clutches on stored cars, specifically regarding thermoid clutch linings and the 'jacking-out' process. | ||
| View original record | S/W....Hd. c. to Rm. 1110 C12/C29.1.40 CLUTCHES ON CARS STORED. With reference to Rml/MH25.1.40, you will note that Rm. states that Phantom IIIs, Wraiths and 4 1/4-litre Bentleys are all likely to be… | ||
| scan0120 | Request for the scheme for a simplified flexible flywheel. | ||
| View original record | 1110 To NRC. from Rm. Rm.15/MH.13.2.40. Will you please let me have the scheme for the simplified flexible flywheel which we were making before the War. Rm. | ||
| scan0121 | Design and tabulation of flywheels for 6-cylinder engines. | ||
| View original record | 1110 + 10HH SECRET. Rm To Rm. from Ev. c. to Rm/FJH. c. to Rm/OTS. c. to Rm/JRS. c. to Hs/NRC. c. to EvHH. Ev.1/JH.23.2.40. Flywheels. In January of this year you asked Hs/NRC. to tabulate all of the… | ||
| scan0122 | Data sheet comparing flywheel specifications for B.60 and B.80 C.I. engines with Lucas starter motors. | ||
| View original record | FLYWHEEL DATA B.60 AND B80-C.I ENGINES - LUCAS STARTER MOTOR | | 8 CYLINDER C.I.-B.80. | 6 CYLINDER C.I.-B.60. | |---|---|---| | ENGINE | 8 CYLINDER C.I.-B.80. | 6 CYLINDER C.I.-B.60. | | CLUTCH | 11"… | ||
| scan0123 | Data table comparing flywheel and clutch specifications for various engine configurations. | ||
| View original record | FLYWHEEL DATA 6 CYLINDER ALUMINIUM - B.60 AND B.80 ENGINES AND R.R. STARTER MOTOR. TABLE DATA: COLUMN 1 - ITEM: ENGINE CLUTCH INERTIA - LBS·INS² OF COMPLETE FLYWHEEL CLUTCH INERTIA COMPLETE TOTAL… | ||
| scan0124 | Flywheel inertia calculations and design suggestions. | ||
| View original record | File 1110 NRS To. Ev. & Jnr. c. Rm. Hs/NRC.9/AP.28.2.40. SPOONER Please WILTAN note. [Signature] Rm RE: FLYWHEELS. Many thanks for Ev/1 & 2/JH.23.2.40., With regard to the light wheel, B.60, Lucas, I… | ||
| scan0125 | Calculations comparing two design variants (Fig A and Fig B) of a mechanical component, including dimensions, inertia, and weight. | ||
| View original record | Top Section (Fig A): Diagram Dimensions: 1.850, .650, .525, .650, 14.5, 14.15 (circled), .205, .015, 11.9, 10.725, .895, 12.125. Diagram Labels: A, B, C, D, E, F, Fig A. Annotation: if 14.05, I=623,… | ||
| scan0126 | The requirement for high inertia fly-wheels to ensure tractability on small range cars. | ||
| View original record | 1110 Ev. Rm.8/ML.29.2.40. Fly-Wheels. I think that the small range of R.R. cars will have to have high inertia fly-wheels, since one of their major assets will be tractability. In other words, Ripple,… | ||
| scan0127 | Modifications to the light flywheel for the B.60 engine and confirming usage of the heavy type flywheel on certain cars. | ||
| View original record | 1110 Rm/Spooner File To EV/HH. c. to Rm. Ev.10/JH.6.3.40. re Flywheels. We have already issued to you PL.109 giving the light and heavy type flywheels for the B.60 engine fitted with a Lucas Starter… | ||
| scan0128 | Outlining new prints and parts for the R.H. Senior Range B.60 Ripplet flywheel and clutch assembly. | ||
| View original record | 1110 C1044 To. Rm c.c. Ev. Ev/HH.15/JH. 18. 3. 40. R.H. Senior Range B.60 Ripplet Section 6000 Flywheel & Clutch Section 6010 Clutch Casing Schemes. GCD. 1499, PL.38 and 112. Further to our memos.… | ||
| scan0129 | New parts for the flywheel, clutch, and clutch casing of the Left Hand Silver Phantom. | ||
| View original record | To Rm. c. to Ev. File 1110 41046 Ev/HH.16/JH.18.3.40. Left Hand Silver Phantom. Section 6000. - Flywheel and Clutch. Section 6010 - Clutch Casing. Schemes PL.38. and 112. Further to our memo.… | ||
| scan0130 | Alteration note cancelling document RG 582 for the Flywheel & Clutch and replacing it with RG 697 due to a Drawing Office error. | ||
| View original record | TO R.M. 121/RG. 1110 / 1022 27.3.40 RIPPLET SECTION 6000 RG 582 FLYWHEEL & CLUTCH LOP 2 SHEETS ALTERATION:- LOP RG 582 (2 SHEETS) HAS BEEN CANCELLED AND IS REPLACED BY LOP RG 697 (1 SHEET) REASON:-… | ||
| scan0131 | Two flywheel alterations (RG 478 and RG 567) due to drawing office errors. | ||
| View original record | To R.m. 132 / RG. 1110 & 1022 S 9.4.40. RIPPLET. FLYWHEEL. SEC_N 6000 RG 478. FLYWHEEL. ALTERATION:- 1. CHAMFER FOR FLEXIBLE PLATE ALT_D TO OPPOSITE SIDE OF FLANGE. 2. DRILLING FOR FRICTION PLATE… | ||
| scan0132 | Blueprints for the Ripplet Chassis Flywheel and Clutch, replacing a previous list of parts. | ||
| View original record | Rm Cy-to-Ev File 1110 & 1022 Rm/HH 3/9.4.40. Ripplet Chassis Flywheel and Clutch Sec 6000 PL 109 Flywheel Please receive herewith blueprints of the following LOP: RG 697 LOP Flywheel and Clutch Please… | ||
| scan0133 | Investigating the cause of clutch thrust failure on a semi-centrifugal clutch. | ||
| View original record | 1110 FJH. from Rm. c. Rm/Wym. Rm.5/JMS. 22.7.40. CLUTCH THRUST FAILURE. We find that with the semi-centrifugal clutch the pedal comes up 1 1/2 ins. at high speeds. This means that after a small amount… | ||
| scan0134 | Specification table for identifying Long Clutches for various engines. | ||
| View original record | 1110 re Long Clutches. In order to identify at sight the correct Long Clutches for various engines, the following information will be useful. | ENGINE. | | Colour of Thrust Springs | Nominal Poundage… | ||
| scan0135 | Thoughts on clutch throwout bearings and the elimination of cages. | ||
| View original record | [Handwritten]: 1110 To: Rm. Rm/FJH.4/RH.9.11.40. CLUTCH THRUST BEARINGS. I have had another think on clutch throwout bearings with the result shewn on the attached letter to Hickling. If you agree,… | ||
| scan0136 | Request to Borg & Beck Co.Ltd. for a high-torque clutch for an experimental heavy lorry application. | ||
| View original record | 1110 c. to Rm. c. to Ev/Tln. clutches Ev.10/JH. 12th. November, 1940. Messrs. Borg & Beck Co.Ltd., Tachbrook Road, Leamington Spa. Dear Sirs, On a piece of experimental apparatus we wish to provide a… | ||
| scan0137 | Tank engine clutch specifications and recommendations from Ferodo and Borg & Beck. | ||
| View original record | SECRET. 1110 To Ba. From Rm/GB. Copy to Ev. Rm/GB.6/IT.2.12.40. TANK ENGINE CLUTCH In connection with this, visits have been made to Ferodo and Borg & Beck. Reports on these visits follow. FERODO Ltd.… | ||
| scan0138 | Technical assessment of various clutch options from Borg & Beck, detailing their torque and speed limitations. | ||
| View original record | Rv/GB.6/ST.2.12.40 - 2 - Starts on full engine torque should be infrequent, in view of the ample size of the engine. The quantity of liner which can be worn away is not increased by using two discs… | ||
| scan0139 | Analysis of different clutch sizes, unit pressures, and spring loads, with comparisons to Borg & Beck specifications. | ||
| View original record | Ru/GS.6/ST.2.12.40. - 3 - If a smaller clutch than the 18" twin disc is used, it is on our responsibility, and they fear that a clutch failure would reflect on their name. Borg & Beck would like to be… | ||
| scan0140 | Analysis and specifications for an 18-inch single disc clutch, including spring calculations and torque data. | ||
| View original record | Ra/GB.6/GT.2.12.40. - 4 - On the 18" single disc clutch there are 16 springs, so that each must carry a load of 299 lbs. The Borg & Beck drawing shows a spring length of 2.57" when the clutch is… | ||
| scan0141 | Report to Borg & Beck, Ltd. regarding periodic lever flutter on a 10' C.P. clutch. | ||
| View original record | 1110 Rm/GB.1/RF. 3rd December, 1940. Your ref. Sales.2/AMS/LF. A.M. SHINKINS, Esq., Messrs. Borg & Beck, Ltd., Tachbrook Road, LEAMINGTON SPA, Warwickshire. Dear Sir, Here is our report on the… | ||
| scan0142 | Technical letter discussing clutch movement ratios and stiffness. | ||
| View original record | Rm/GB.1/AT.3.12.40 - 2 - The relationship between the throwout race movement and pedal movement is 1 to 11.8. We would prefer the race movement not to exceed .230 ------ = .021" 11.8 If you could… | ||
| scan0143 | Letter to Vandervell Products Ltd. regarding the supply and modification of a large clutch disc for experimental purposes. | ||
| View original record | 1110 EXPERIMENTAL DEPARTMENT. 5th December, 1940. Ra/MIR.S/ST. Vandervell Products Ltd., Western Avenue, Acton, LONDON W. 3. Attention of Mr. G.A. Vandervell. Dear Sirs, We thank you for yours of the… | ||
| scan0144 | Letter to Vandervell Products Ltd. concerning the experimental use and modification of a large clutch disc. | ||
| View original record | EXPERIMENTAL DEPARTMENT. 5th December, 1940. Em/MMR.8/ET. Vandervell Products Ltd., Western Avenue, Acton, LONDON W. 3. Attention of Mr. G.A. Vandervell. Dear Sirs, We thank you for yours of the 21st… | ||
| scan0145 | Letter to Vandervell Products Ltd. regarding the material choice for bearings. | ||
| View original record | Clutches general 1/10 Rm.3/SW. 30th November, 1940. Vandervell Products, Ltd., Western Avenue, Acton, LONDON. W.3. Attention of Mr. G.A. Vandervell. Dear Sirs, Thank you for your letter of the 27th… | ||
| scan0146 | Confidential letter to Messrs. Borg & Beck, Ltd. regarding the design and dimensional constraints of a 16' twin disc clutch for a tank project. | ||
| View original record | CONFIDENTIAL. 1110 20th December, 1940. Rm/GB.4/CT. A.M. SHINKINS, Esq., Messrs. Borg & Beck, Ltd., Tachbrook Road, LEAMINGTON SPA, Warwickshire. Dear Sir, We are finding that space is very restricted… | ||
| scan0147 | Testing the effect of a clutch disc on transmission rattle for Chassis No. B.22.AW. | ||
| View original record | 1110 To Rm. From Rp/DB. Copy to Mr/Wyn. Hs/FJH. Rm/GB.9/BT.30.12.40. EFFECT OF CLUTCH DISC ON TRANSMISSION RATTLE ON Lp.'s B.V (Chassis No. B.22.AW) This car suffered from transmission rattle as… | ||
| scan0148 | Letter to Borg & Beck Ltd. regarding an investigation into lever flutter on a 10 C.F. clutch, detailing compression and stiffness test results. | ||
| View original record | 1110 Rm/GB.11/RT. 31st December, 1940. A.M. SHINKINS, Esq., Messrs. Borg & Beck Ltd., Tachbrook Road, LEAMINGTON SPA, Warwickshire. Your ref. Sales.2/AMS/DN. Dear Sir, We thank you for your reply to… | ||
| scan0149 | Letter discussing the deflection and load characteristics of a stiffened clutch cover assembly. | ||
| View original record | Rm/CB.11/BT.01.12.40 - 2 - It will be seen that the assembly with the stiffened cover deflects only half as much as the standard assembly for any given load. It is obvious, therefore, that the cover… | ||
| scan0150 | Graph showing the results of a compression test on a 10 C.F. clutch disc. | ||
| View original record | COMPRESSION TEST ON 10 C.F. CLUTCH DISC. PRESSURE PLATE LOAD LB. 2000 1800 1600 1400 1200 1000 800 600 400 200 0 DEFLECTION - INCHES. .005 .010 .015 .020 TOTAL LOAD AT 3500 RPM. SPRING LOAD GRAPH N°1… | ||
| scan0151 | Graph comparing deflection tests between a standard and stiffened clutch cover pressing. | ||
| View original record | DEFLECTION TEST ON COMPLETE CLUTCH ASSEMBLY STIFFENED COVER PRESSING STANDARD COVER PRESSING. GRAPH Nº 2 PRESSURE PLATE LOAD DUE TO CENTRIFUGAL EFFECT DEFLECTION MEASURED AT FINGER PAD.- INCHES. O… | ||
| scan0152 | Design for stiffening ribs for a clutch cover plate. | ||
| View original record | STIFFENING RIBS FOR CLUTCH COVER PLATE WELD 3 STIFFENING RIBS. P.m./G 13. 31/12/40 | ||
| scan0153 | Graph illustrating the pressure plate loading against RPM for a 10 CF clutch. | ||
| View original record | 10 CF CLUTCH. FOR 3/8" LEVER DSH(?) FLUTTER LOAD FOR 1/4" DIA HOLE THRU' LEVER WEIGHTS GRAPH N° 3 R.P.M. PRESSURE PLATE LOADING DUE TO CENTRIFUGAL EFFECT. 800 700 600 500 400 300 200 100 1000 2000… | ||
| scan0154 | Letter from Borg & Beck discussing a lever flutter issue on the 10 CF Clutch and suggesting modifications. | ||
| View original record | Telegrams BORGANBECK, LEAMINGTON SPA. Registered Office BROCK HOUSE, LANGHAM STREET, LONDON, W. I. BORG & BECK COMPANY LTD. MANUFACTURERS OF CLUTCHES. WORKS: Tachbrook Road, LEAMINGTON SPA,… | ||
| scan0155 | The redesign of the senior range connecting rod following engine testing. | ||
| View original record | Rm/CTS. from Rm. c. Rm/TAS. Conn. rods. Rm.7/ML.17.12.40. 1216 SENIOR RANGE CONNECTING ROD. Since the time when we ran a B.60. engine for 24 hours at 160 h.p. on the Test Bed, we have progressively… | ||
| scan0156 | Letter from Borg & Beck regarding experiments on a 10.C.F. Clutch to trace the reason for lever flutter. | ||
| View original record | Telegrams BORGANBECK, LEAMINGTON SPA. Telephone LEAMINGTON SPA 1550-1. BORG & BECK COMPANY LTD [Handwritten in red: 1110] MANUFACTURERS OF CLUTCHES. Registered Office BROCK HOUSE, LANGHAM STREET,… | ||
| scan0157 | Responding to questions about the construction and longevity of the Borg & Beck clutch centre damping. | ||
| View original record | 1110 To Rm. from Rm/GB. Copy to Rm/Wym. Rm/FJH. Rm/GB.1/ET.16.1.41. CLUTCH CENTRE DAMPING. -------------------- This memo is in reply to Rm.10/ML.4.1.41, which asked two questions:- 1. Whether the… | ||
| scan0158 | Modifications to maintain damping by altering the contact between a disc and hub flange, and increasing torsional spring diameter. | ||
| View original record | Rm/GB.1/ET.16.1.41. - 2 - To maintain damping at the required level, the direct contact between disc B. and the hub flange must be cut out. The torsional springs must be increased in diameter, so that… | ||
| scan0159 | Examining the construction and damping capabilities of a Borg & Beck clutch centre. | ||
| View original record | To Rm. from Rm/GB. Copy to Rm/Wym. Rm/FJH. CLUTCH CENTRE DAMPING. This memo is in reply to Rm.10/ML.4.1.41, which asked two questions:- 1. Whether the construction of the Borg & Beck clutch centre is… | ||
| scan0160 | Modifications for a damping mechanism, including increasing torsional spring diameter. | ||
| View original record | Rm/GB.1/ET.16.1.41. - 2 - To maintain damping at the required level, the direct contact between disc B. and the hub flange must be cut out. The torsional springs must be increased in diameter, so that… | ||
| scan0161 | Cross-sectional diagram detailing the construction of a Borg & Beck clutch disc. | ||
| View original record | DISC 'A', HUB FLANGE, RIVETED COLLAR, DISC "B", CONSTRUCTION OF BORG & BECK, CLUTCH DISC, Rm/G.C, 15/11/41 | ||
| scan0162 | Development of a clutch centre damping product with Borg & Beck's. | ||
| View original record | Rm/GB. from Rm. c. Rm/bvm. c. Rm/RJH. Clutches 1110 Rm.7/AL.22.1.41. CLUTCH CENTRE DAMPING. Thank you for Rm/UD.1/ST.16.1.41. I am leaving you to take the matter up with Borg & Beck's so that you will… | ||
| scan0163 | Clutch disc friction testing and its relation to transmission rattle on chassis B.20.AW. | ||
| View original record | To Rm. from Rm/GB. Copy to Rm/Wym. Rm/FJH. [Handwritten in red] 1110 Rm/GB.1/ET.24.1.41. The 10" clutch disc from the demonstration car (chassis B.20.AW) has been checked for friction. The depth of… | ||
| scan0164 | Visit to Borg & Beck discussing friction issues and design changes for 10-inch clutch discs. | ||
| View original record | To Mr. Crees Bs/HS. Copy to Mr. Bs/SJH. Bs/Sym. Ev/Tln. 1110 Bs/HS.3/T.31.1.41. VISIT TO BORG & BECK 29.1.41. The items on this visit were:- 1. Friction in 10" clutch discs. 2. Modifications to Borg &… | ||
| scan0165 | Clutch issues, discussing torsion springs, friction tests, and interactions with supplier Borg & Beck. | ||
| View original record | The reason for having three samples is that Borg & Beck are not able to say what spacer length and what shims are required for any set quantity of friction. Note:- The tolerance on the length of the… | ||
| scan0166 | Visit to Borg & Beck regarding various clutch designs and issues with friction discs. | ||
| View original record | 1110 To Rm. from Rm/GB. Copy to Ev. Rm/HJH. Rm/Wym. Ev/Tln. VISIT TO BORG & BECK 29.1.41. The items on this visit were:- 1. Friction in 10" clutch discs. 2. Modifications to Borg & Beck's design of… | ||
| scan0167 | Clutch disc issues, comparing testing methods and attitudes with supplier Borg & Beck. | ||
| View original record | Rm/GB.3/ET.31.1.41 - 2 - The reason for having three samples is that Borg & Beck are not able to say what spacer length and what shims are required for any set quantity of friction. Note:- The… | ||
| scan0168 | Diagram illustrating friction and spring in plates related to a hub flange. | ||
| View original record | FRICTION REPRESENTING HUB FLANGE REPRESENTING SPRING IN PLATES LIMIT ON THIS DIM. FOR GIVEN FRICTION IS NOT CLOSE LIMIT ON THIS DIM FOR GIVEN FRICTION IS VERY CLOSE THIS REPRESENTS CONDITION WHEN HUB… | ||
| scan0169 | Friction check on a 10' clutch disc and its relation to transmission rattle. | ||
| View original record | 110 To Rm. from Rm/GB. Copy to Rm/Wym. Rm/FJH. Rm/GB.1/ET.24.1.41. The 10" clutch disc from the demonstration car (chassis B.20.AW) has been checked for friction. The depth of the loop was 17 lb.ft to… | ||
| scan0170 | Graph plotting torque against degrees of deflection from a torsional test on a 10 inch clutch for chassis B20AW. | ||
| View original record | TORSIONAL DEFLECTION TEST ON 10" CLUTCH FROM DEMONSTRATOR (CHASSIS N° B20AW) 22/1/41. FRICTION 27 LB.FT. FRICTION 17 LB.FT. TORQUE LB. FT. DEFLECTION - DEGREES. TEST BY Rm/CLm Rm/G.B. 22/1/41 Rm/G.B.… | ||
| scan0171 | On design improvements for selector lever locking plates and clutch housing clearance. | ||
| View original record | [Handwritten top, red, crossed out] Rm Barton FILE [Handwritten top, red] Let me know what has been done To Ev/JD. from Rm/HH. c. to Rm. [Handwritten initial] T Wms cc The locking plates fitted to the… | ||
| scan0172 | Letter to Borg & Beck Ltd. concerning a visit and discussions on a 16' twin-plate clutch design. | ||
| View original record | 110 Rm.CB.1/HH. 5.2.41. Messrs. Borg & Beck Ltd., Tackbrook Road, LEAMINGTON SPA. Attention of Mr.Shinkins. Dear Sirs, Enclosed are notes on the recent visit of our Mr. Bastow to your works on January… | ||
| scan0173 | Meeting notes from a visit to Borg & Beck concerning various clutch disc designs and modifications. | ||
| View original record | ON VISIT OF MR. BASTOW TO MESSRS. BORG & BECK ON JANUARY 29TH 1931. Present: Messrs. Shinkins, Higgs & Godfrey of Borg & Beck. Mr. Bastow of Rolls-Royce. 10" Clutch Discs. Mr. Bastow pointed out that… | ||
| scan0174 | Letter to Borg & Beck Co., Ltd. concerning tank and car clutches. | ||
| View original record | 1110 5th February, 1941. Rm.3/RH. Your ref: Sales 2/AMS/LP. Messrs. Borg & Beck Co., Ltd., Tachbrook Road, LEAMINGTON SPA. SECRET. For the Attention of Mr. Shinkins. Dear Sirs, Thank you for your… | ||
| scan0175 | Letter from Borg & Beck Company Ltd. regarding the design and specifications of tank clutches. | ||
| View original record | COPY. 1110 From BORG & BECK COMPANY LTD., Tachbrook Road, Leamington Spa, Warwickshire. Rm. 3/RH SALES.2/AMS/LP. Confidential. 15th February, 1941. Messrs. Rolls Royce Ltd., DERBY. For the attention… | ||
| scan0176 | Letter from Borg & Beck Company Limited concerning the supply and testing of 10' Bentley driven plate clutch sample assemblies. | ||
| View original record | Messrs. Rolls Royce Ltd. 15. 2. 41. Re Car Clutches. With reference to the 10" Bentley driven plate, sample assmeblies that we agreed to supply are nearing completion and we will take hysteresis… | ||
| scan0177 | Letter from Borg & Beck detailing specifications for four experimental 10' driven plate clutch assemblies for a Bentley application. | ||
| View original record | Telegrams BORGANBECK, LEAMINGTON SPA. Rm / Bastow Clutches fen 1110 Telephone LEAMINGTON SPA 1550-1. BORG & BECK COMPANY LTD. MANUFACTURERS OF CLUTCHES. Registered Office BROCK HOUSE, LANGHAM STREET,… | ||
| scan0178 | Letter from Borg & Beck Company Ltd. regarding test curves and anticipating comments. | ||
| View original record | BORG & BECK COMPANY LTD. MANUFACTURERS OF CLUTCHES Tachbrook Road LEAMINGTON SPA. Warwickshire. AMS/JAG/S. 18.5.38. curves before and after tests that you intend to carry out. We thank you in… | ||
| scan0179 | Graph showing deflection versus torque for a modified 10 inch drive plate with yellow springs. | ||
| View original record | PLATE "D" ROLLS-ROYCE-TORQUE 206 LBS/FT. 10" DRIVE PLATE 41132 MODIFIED i.e. FITTED WITH YELLOW SPRINGS 150/165 LBS, STOP PINS 41830 AND 2 - .015" SPACERS EACH SIDE. TORQUE TEST 200 LBS/FT. 18/2/41.… | ||
| scan0180 | Graph plotting torque against deflection for a 10 inch drive plate modified with stop pins and spacers. | ||
| View original record | PLATE "C". ROLLS-ROYCE-TORQUE 206 LBS/FT. 10" DRIVE PLATE 41132 (RED SPRINGS) MODIFIED i.e. FITTED WITH STOP PINS 42237 AND 2 - .015" SPACERS ON FLYWHEEL SIDE. TORQUE TEST 200 LBS/FT. 19/2/41. A.W.H.… | ||
| scan0181 | Graph plotting torque against deflection for a modified 'Plate B' drive plate assembly. | ||
| View original record | PLATE "B" ROLLS-ROYCE - TORQUE 206 LBS/FT. 10" DRIVE PLATE 41132 (RED SPRINGS) MODIFIED i.e. FITTED WITH STOP PINS 41830 AND 1-015" SPACER EACH SIDE. TORQUE TEST 200 LBS/FT. 19/2/41. A.W.H. DRIVE.… | ||
| scan0182 | Graph plotting deflection against torque for a 10 inch drive plate modified with stop pins. | ||
| View original record | PLATE 'A' ROLLS-ROYCE-TORQUE 206 LBS/FT. 10" DRIVE PLATE 41132 (RED SPRINGS) MODIFIED i.e. FITTED WITH STOP PINS 41830 AND 1-.015" SPACER ON FLYWHEEL SIDE. TORQUE TEST 200 LBS/FT 19/2/41. A.W.H. DRIVE… | ||
| scan0183 | The testing of sample 10' clutch discs from Borg & Beck with variations in stop pin length and spacer arrangement. | ||
| View original record | To Dm. from Em/GB. Copy to Em/AJH. EV. EV/Tln. Em/GB.1/SF.7.3.41. SAMPLE 10" CLUTCH DISCS from BORG & BECK. These discs were made after it was proved that the stop pins were of insufficient length to… | ||
| scan0184 | Comparison of Borg & Beck friction disc test results with in-house results after unit conversion. | ||
| View original record | Rm/OB.1/ST.7.3.41 - 2 - An attempt will be made to get two discs with the right amount of friction from the sample discs. This will of course necessitate dis-mantling some of them. The Borg & Beck… | ||
| scan0185 | Payment for an invoice for 4 Borg & Beck 10' drive plate assemblies. | ||
| View original record | 1110 To Roy. from Rm/GB. Rm/GB.2/CT.17.3.41. Will you please pay the invoice on 4 Borg & Beck 10" drive plate assemblies. Rm/GB. | ||
| scan0186 | Analysis of sample 10' clutch discs from Borg & Beck, detailing variations in stop pin length and spacer arrangement. | ||
| View original record | 1110 To Rm. from Rm/GB. Copy to Rm/FJH. Ev. Ev/Tln. Chassis clutches SAMPLE 10" CLUTCH DISCS from BORG & BECK. These discs were made after it was proved that the stop pins were of insufficient length… | ||
| scan0187 | Comparison of friction disc test results, converting Borg & Beck units to internal units. | ||
| View original record | Rm/GB.1/ET.7.3.41 - 2 - An attempt will be made to get two discs with the right amount of friction from the sample discs. This will of course necessitate dismantling some of them. The Borg & Beck test… | ||
| scan0188 | Graph showing the results of a torsional deflection test on a 10-inch clutch disc. | ||
| View original record | 4/3/41 TORSIONAL DEFLECTION TEST ON 10" CLUTCH DISC. DISC A STOP PIN SHOULDER DIM. .154/.157" ONE .015" SPACER ON FLYWHEEL SIDE OF HUB FLANGE RED SPRINGS. FRICTION LOOP DEPTH (RR TEST) DRIVE 7 LB. FT.… | ||
| scan0189 | Chart showing the results of a torsional deflection test on a 10-inch clutch disc. | ||
| View original record | TORSIONAL DEFLECTION TEST ON 10" CLUTCH DISC. DISC B STOP PIN SHOULDER DIM. .154/.151 EACH TWO .015" SPACERS, ONE ON SIDE OF HUB FLANGE. RED SPRINGS. FRICTION LOOP DEPTH (R.R. TEST) DRIVE 9 LB. FT.… | ||
| scan0190 | Graph showing the results of a torsional deflection test on a 10-inch clutch disc, designated Disc C. | ||
| View original record | TORSIONAL DEFLECTION TEST ON 10" CLUTCH DISC. 5/3/41 DISC C STOP PIN SHOULDER DIM. .147/.162. TWO .015" SPACERS. BOTH ON FLYWHEEL SIDE OF HUB FLANGE. RED SPRINGS. FRICTION LOOP DEPTH (R.R. TEST) DRIVE… | ||
| scan0191 | Graph plotting torque against deflection for a torsional deflection test on a 10 inch clutch disc. | ||
| View original record | TORSIONAL DEFLECTION TEST ON 10" CLUTCH DISC. DISC. D STOP PIN SHOULDER DIM. .154"/.151" TWO .015" SPACERS. ONE ON EACH OF HUB FLANGE. YELLOW SPRINGS. FRICTION LOOP DEPTH (R.R. TEST) DRIVE 9 1/2 LB.… | ||
| scan0192 | Letter from a clutch manufacturer regarding a clutch flutter investigation for a Bentley application. | ||
| View original record | Telegrams BORGANBECK, LEAMINGTON SPA. Clutch gen. 1110 Telephone LEAMINGTON SPA 1550-1. BORG & BECK COMPANY LTD.. MANUFACTURERS OF CLUTCHES. Temporary Registered Office TACHBROOK ROAD, LEAMINGTON SPA.… | ||
| scan0193 | Letter from Borg & Beck Company Ltd regarding a 10 C.F. Clutch investigation. | ||
| View original record | Telegrams: BORGANBECK, LEAMINGTON SPA. Telephone: LEAMINGTON SPA 1550-1. 1110 BORG & BECK COMPANY LTD MANUFACTURERS OF CLUTCHES. Temporary Registered Office: TACHBROOK ROAD, LEAMINGTON SPA. WORKS:… | ||
| scan0194 | Visit to Borg & Beck to discuss a complaint about clutch pedal lift with reference to a reply from the Long Co. | ||
| View original record | To: Rm. from Rm/GB. 1110 Rm/GB.1/RH.24.5.41. VISIT TO BORG & BECK ON 21.5.41. The object of this visit was to become acquainted with the reply from the Long Co., to our complaint concerning pedal lift… | ||
| scan0195 | Clutch performance, supplier feedback from Long Company and Borg & Beck, and potential design improvements. | ||
| View original record | -2- Rm/GB.1/RH.24.5.41. for No.2 assembly at 3500 r.p.m. is equivalent to .58" at the clutch pedal. The Long Co., appear to put down this excessive movement to slack in the lever bearings and say that… | ||
| scan0196 | Copy of a letter from Long Manufacturing to Borg & Beck detailing an investigation into a complaint about clutch components. | ||
| View original record | Sales:2/AMS/EFB P4.4.41 Copy for Copy of letter from: LONG MANUFACTURING DIVISION Borg-Warner Corporation. 12501 Dequindre Street, DETROIT. March 6, 1941 Borg & Beck Company Ltd., Tachbrook Road,… | ||
| scan0197 | Analysis of clutch performance, discussing deflection tests, design modifications, and a review of performance graphs. | ||
| View original record | Copy for -2- Paragraph "C" - refers to the same check but endeavoring to see how much load it would take to cause a deflection of .005 at each cap screw. This was the equivalent of from 1700 to 2700#… | ||
| scan0198 | Letter from Borg-Warner Corporation discussing clutch cushioning, anti-squeak plates, and manufacturing. | ||
| View original record | Copy for -3- this cushioning formed directly in the rim section. While this probably has nothing to do with the present complaint, if this is actual deflection under load it would appear to us that… | ||
| scan0199 | Checks on a 10CF coverplate assembly, focusing on deflection from spring load and centrifugal force. | ||
| View original record | Sales:P/AMS/EFB 24.4.41 Copy for March 6, 1941 CHECKS ON 10CF COVERPLATE ASSEMBLY WITH C-2096, 125-135# SPRINGS. "A" - Deflection of cover stamping due to spring load. Upward bulge of coverplate due… | ||
| scan0200 | List of checks and measurements for spinner and lever components, with a comparison to Cadillac design. | ||
| View original record | Copy for -2- "D" - Lever throwout as checked on spinner #1 - .010 @ 3500 R.P.M. #2 - .050 @ 3500 " #3 - .013 @ 3500 " Cadillac design "E" - Cover deflection on spinner when releasing .475" - .002 to… | ||
| scan0201 | Data sheet with a table and graph illustrating the centrifugal force curve on a production release lever. | ||
| View original record | Top Left Box: DEVIMIL OF NOVELL MEDETAL BOLD S Main Title Area: CENTRIFUGAL FORCE CURVE ON C-3497 - 10 & 11CF PRODUCTION RELEASE LEVER TEST # 1874 Data Table: Headers: MOTOR R.P.M. R.P.M.² CONSTANT… | ||
| scan0202 | Technical drawing of a clutch coverplate assembly, showing the pressure plate and release lever unit. | ||
| View original record | FACE OF FLYWHEEL 3 1/8 APPROX CS-5159 -C-5160 -C-4279 CS 5162 PRESSURE PLATE AND LEVER UNIT. -C-3493 -C-4162 -C-5161 -C-3496 -C-921 -C-3483 -C-5157 -C-3493 -C-5158 CS-5159 RELEASE LEVER, YOKE & ADJ… | ||
| scan0203 | Visit to Borg & Beck discussing clutch cover plate deflection tests and correspondence with the Long Manufacturing Co. | ||
| View original record | To: Rm. from Rm/GB. 1110 Rm/GB.1/HH.24.5.41. VISIT TO BORG & BECK ON 21.5.41. The object of this visit was to become acquainted with the reply from the Long Co., to our complaint concerning pedal lift… | ||
| scan0204 | Report discussing clutch assembly designs and specifications with suppliers Long Company and Borg & Beck. | ||
| View original record | -2- Rm/GB.1/RH.24.5.41. for No.2 assembly at 3500 r.p.m. is equivalent to .58" at the clutch pedal. The Long Co. appear to put down this excessive movement to slack in the lever bearings and say that… | ||
| scan0205 | Clutch design and performance following a visit to Borg & Beck. | ||
| View original record | 1110 FILE To Rm/GB. from Rm. Rm.3/SW.25.5.41. Visit to Borg & Beck - 21.5.41. We should certainly obtain a sample clutch with a stiffer cover as on the Cadelac. We should also like to know how Borg &… | ||
| scan0206 | Clarifying requirements for Order No. A.36320 for a 7 1/4' Borg & Beck Clutch. | ||
| View original record | To: Roy from Rm/BB. c. HPS/WSC. Rm/HH. 1/10 Rm/GB.1/RH.28.5.41. Re: Order No.A.36320 for 7 1/4" Borg & Beck Clutch. We do not wish to fill in Messrs. Borg & Beck's questionnaire form, but we have… | ||
| scan0207 | Letter to Messrs. Borg & Beck Ltd. requesting the supply of sample clutch components. | ||
| View original record | 1110 Rm/GB.2/RH. 29th May, 1941. Messrs. Borg & Beck Ltd., Tachbrook Road, Leamington Spa, Warwicks. Attention of Mr.Shinkins. Dear Sirs, Following the recent visit of our Mr.Bastow, we would like you… | ||
| scan0208 | Requesting the return of three 7 1/2' Borg & Beck clutch discs for exchange. | ||
| View original record | bar clutch FILE 110 To Hd/FC. from Rm/GB. c. to D/BP. c. to G/WPH. Rm/GB.2/SW.13.6.41. Will you please return three 7 1/2" dia. Borg & Beck clutch discs to :- Messrs. Borg & Beck, Ltd., Tachbrook… | ||
| scan0209 | Letter to Borg & Beck, Ltd. regarding the exchange of three 7 1/4' clutch discs for 'Borglite' discs. | ||
| View original record | Car Clutch FILE 1110 Rm/GB.1/SW. Borg & Beck, Ltd., Tachbrook Road, Leamington Spa, WARWICKSHIRE. For the attention of Mr. Shinkins. 13th June, 1941. Dear Sirs, We are returning under separate cover… | ||
| scan0210 | Clutch friction, transmission rattles in 4-cylinder engines, and the 'Myth' project. | ||
| View original record | To Rm/GB. from Rm. Copy to Rm/Wym. RmFJH. 1110 Rm.7/LT.30.6.44. I was interested in your memo Rm/GB.1/LT.20.6.31, in which you show that, when the friction value for clutch driven members falls,… | ||
| scan0211 | Investigation into transmission rattle caused by 10' clutch discs and proposed solutions. | ||
| View original record | 1110 To Rm. from Rm/GB. Copy to Rm/Wym. Rm/AH. Rm/GB.1/ST.30.6.41. 10" CLUTCH DISCS. The clutch disc which caused transmission rattle on B.18.AW has been removed and tested (see attached graph). The… | ||
| scan0212 | Graph showing the results of a torsional deflection test on a 10-inch clutch disc. | ||
| View original record | TORSIONAL DEFLECTION TEST ON 10" CLUTCH DISC FROM B18 A.W. FRICTION LOOP DEPTH DRIVE 6 LB. FT. OVER-RUN 10 LB. FT. OVER-RUN DRIVE TORQUE LB. FT. B18AW HAS A FULLY FLOATING REAR AXLE. IN TOP GEAR… | ||
| scan0213 | Record of a drawing for the Borg & Beck 9' C.F. Long Type Clutch for the Junior Range. | ||
| View original record | 1110 To Rm. from Rm/HH. Rm/HH.13/SW.10.7.41. Borg & Beck 9" C.F. Long Type Clutch Junior Range. The following drawing has been produced for record purposes :- RG.1239 9" C.F. Clutch. This is an R.R.… | ||
| scan0214 | Dispatch request to send a car flywheel to Messrs. Borg & Beck Co. Ltd. for balancing and setting a clutch. | ||
| View original record | To Hd/FC. c. to D/BP. 1110 Rm/GB.14/JH.26.7.41. Will you please despatch the car flywheel to - Messrs. Borg & Ceck Co.Ltd., Tachbrook Road, Leamington Spa. Warwickshire. It should be marked for the… | ||
| scan0215 | Letter to Messrs. Borg & Beck Co. Ltd. confirming a flywheel is being sent for balancing a 10' C.F. clutch assembly. | ||
| View original record | 1110 Rm/GB.15/JH. 26th. July, 1941. Messrs. BORG & BECK CO. LTD., Tachbrook Road, Leamington Spa. Warwickshire. For the attention of Mr. Shimkins. Dear Sirs, Confirming todays telephone confirmation… | ||
| scan0216 | Letter from Borg & Beck Company Ltd. regarding the forwarding of a flywheel to balance a Special 10.C.F. Clutch assembly. | ||
| View original record | Car File. 1110 Telegrams BORGANBECK, LEAMINGTON SPA. Telephone LEAMINGTON SPA 1550-1 BORG & BECK COMPANY LTD. MANUFACTURERS OF CLUTCHES. Works and Temporary Registered Office : Tachbrook Road,… | ||
| scan0217 | Letter from Borg & Beck regarding difficulty obtaining clutch facings from America and requesting a flywheel be redrilled. | ||
| View original record | [Handwritten top] for blutch tib Telegrams BORGANBECK, LEAMINGTON SPA. BORG & BECK COMPANY LTD MANUFACTURERS OF CLUTCHES. Temporary Registered Office TACHBROOK ROAD, LEAMINGTON SPA. WORKS: Tachbrook… | ||