Rolls-Royce Archives
| Identifier | Entry | ||
| scan0001 | To Roy requesting an order for two sets of pistons. | ||
| View original record | x236 To Roy. Hs/Rm.16/KW.2.1.35. Attached is copy of a letter which we have written to Mr. Brooks. Will you please pass an order for two sets of these pistons. Hs/Rm. | ||
| scan0002 | Letter to The Light Production Co. Ltd. regarding promising results from an endurance test on RR.53 pistons. | ||
| View original record | Exptl. Dept. HS/Ru.15/KW. 2nd January, 1935. C.H. Brooks Esq., The Light Production Co.,Ltd., 60/66, Rochester Row, Westminster, London, S.W.1. Dear Mr. Brooks, We have not completed our endurance… | ||
| scan0003 | Letter from The Light Production Co. Ltd. regarding endurance tests and delivery of RR.53 pistons. | ||
| View original record | TELEPHONE: VICTORIA 0671 (5 LINES). CODES: A.B.C. 5TH EDITION. ALL COMMUNICATIONS TO BE ADDRESSED TO THE COMPANY. ON ADMIRALTY, WAR OFFICE AND AIR MINISTRY LISTS. THE LIGHT PRODUCTION CO. LTD.… | ||
| scan0004 | Letter to The Light Production Co. Ltd. regarding the testing of two sets of pistons and arranging a follow-up meeting. | ||
| View original record | x236 Exptl. Dept. Hs/Rm.15/KW. 8th January, 1935. C.H. Brooks Esq., The Light Production Co.Ltd., 60/66. Rochester Row, Westminster, London, S.W.1. Dear Mr. Brooks, Thank you for your letter of… | ||
| scan0005 | Wear of anodic coatings on R.R. 53 pistons and suggesting improvements. | ||
| View original record | To Hs/Rm. c.c. Wor. c.c. BY. HLL/AG.3.1.35. Laboratory. Re: Anodic Oxidation of R.R. 53 Pistons. This is to confirm our conversation this morning in reply to yours Hs/Rm4/KW.14.12.34. We note that the… | ||
| scan0006 | Suggesting three tests to be carried out on engine pistons, including anodical oxidisation and etching. | ||
| View original record | -2- We suggest that these three tests might be carried out on one engine as follows :- (1) Two pistons anodically oxidised as before for protracted running test. (2). Two pistons as (1) but coating… | ||
| scan0007 | Anodic oxidation of RR.53 pistons and the durability of American anodic coatings. | ||
| View original record | 4236? To H.L. (Laboratory). c. to Wor. c. to By. Hs/Rm. 9/KW.18.1.35. Re Anodic Oxidation of RR.53 Pistons. Replying to H.L.1/AG. 3.1.35. We hope to have the opportunity of looking at the Cadillac… | ||
| scan0008 | Requesting confirmation on the satisfactory testing of experimental Aerolite pistons for Bentley chassis. | ||
| View original record | Rm Hs. 4236 BY/Cgh.3/G.18.1.35. BENTLEY CHASSIS - PISTONS. The Works are now approaching the time when they will have to be instructed whether to produce present production type of pistons or whether… | ||
| scan0009 | Arranging the despatch of six Aerolite Pistons to Light Production Co. Ltd. for investigation and replacement. | ||
| View original record | To D/BP. from RHC/EM. c.c. G/M. c. Hs/Rm. Rm RHC/EM.6/BC.21.1.35. We are sending into the Despatch Stores :- 6 Aerolite Pistons complete with Rings and Gudgeon Pins. Will you please arrange to… | ||
| scan0010 | Request to order one set of Aerolite Pistons in RR.53 alloy for a Bentley. | ||
| View original record | 4236 To Roy. Hs/Rm.17/KW.22.1.35. Will you please order from the Light Production Co. one set of Aerolite Pistons in RR.53 alloy, for the Bentley. At the same time will you ask them to supply a second… | ||
| scan0011 | Letter to C.H. Brooks of The Light Production Co. Ltd. regarding lightened Bentley and Specialloid pistons. | ||
| View original record | 4236 Exptl. Dept. Hs/Rm.23/KW. 6th February, 1935. C.H. Brooks Esq., The Light Production Co.Ltd., 60/66, Rochester Row, Westminster, London, S.W.1. Dear Mr. Brooks, Many thanks for your letter of the… | ||
| scan0012 | The production of Aerolite pistons and the associated cylinder bore limits. | ||
| View original record | To By. c. to Sft. x236 Hs/Rm.4/KW.18.2.35. Aerolite Pistons. These pistons will shortly be going on production. We think we have previously mentioned that owing to these pistons not having split… | ||
| scan0013 | Letter to The Light Production Co. Ltd. requesting a delivery date for lightened type Bentley pistons. | ||
| View original record | x236 Exptl. Dept. Hs/Rm.11/KW. 25th February, 1935. C.H. Brooks, Esq., The Light Production Co.Ltd., 60/66, Rochester Row, Westminster, London, S.W.1. Dear Mr. Brooks, Could you give me an approximate… | ||
| scan0014 | Confirming a conversation about reducing the clearance limit on Aerolite pistons. | ||
| View original record | Rm ~~Bft.~~ +236 c. Rm. BY.3/G.25.2.35. RE: USE OF AEROLITE PISTONS. I would like to confirm our conversation on Friday last to the effect that since we have only .002 between an Aerolite piston being… | ||
| scan0015 | Letter from The Light Production Co. Ltd. regarding the reduction in weight of a Bentley Piston. | ||
| View original record | TELEPHONE: VICTORIA 0671 (6 LINES). CODES: A.B.C. 5TH EDITION. ALL COMMUNICATIONS TO BE ADDRESSED TO THE COMPANY. ON ADMIRALTY, WAR OFFICE AND AIR MINISTRY LISTS. THE LIGHT PRODUCTION CO. LTD.… | ||
| scan0016 | Letter to The Light Production Co. Ltd. regarding the late arrival of pistons. | ||
| View original record | X236 Exptl. Dept. Hs/Rm.6/KW. 28th February, 1935. The Light Production Co.Ltd., 60/66, Rochester Row, Westminster, London, S.W.1. For the attention of Mr. Brooks. Dear Sirs, Thank you for your letter… | ||
| scan0017 | Letter concerning the supply and specifications of light-weight Bentley Pistons and Gudgeon Pins. | ||
| View original record | x236 TELEPHONE: VICTORIA 0671 (5 LINES). CODES: A.B.C. 5TH EDITION. ALL COMMUNICATIONS TO BE ADDRESSED TO THE COMPANY. ON ADMIRALTY, WAR OFFICE AND AIR MINISTRY LISTS. THE LIGHT PRODUCTION CO. LTD.… | ||
| scan0018 | Order for four sets of six lightened type Aerolite Pistons for a Bentley. | ||
| View original record | To Roy: x236 Hs/Rm.15/KW.14.3.35. Will you please pass an order to the Light Production Co.Ltd., for 4. sets of six lightened type Aerolite Pistons for the Bentley. These are being supplied as per… | ||
| scan0019 | Letter requesting the grinding of experimental semi-split pistons to a specific cam form. | ||
| View original record | x236 Exptl. Dept. Hs/Rm.14/KW. 14th March, 1935. C.H. Brooks Esq. The Light Production Co.Ltd. 60/66, Rochester Row, Westminster, London, S.W.1. Dear Mr. Brooks, We have some of our own semi-split… | ||
| scan0020 | Letter to The Light Production Co. Ltd. requesting the grinding of experimental semi-split type pistons. | ||
| View original record | 4236 Exptl. Dept. Hs/Rm.14/KW. 14th March, 1935. C.H. Brooks Esq., The Light Production Co.Ltd., 60/66, Rochester Row, Westminster, London, S.W.1. Dear Mr. Brooks, We have some of our own semi-split… | ||
| scan0021 | Chassis numbers for Bentley piston failures to investigate a link to the absence of an oil baffle. | ||
| View original record | To Hd. Las/Rm +236 [Stamp: MAR 7 1935] Hs/Gry.7/KW.15.3.35. [Handwritten Annotation: ALL HAVE (struck through) NO BAFFLE, EXCEPT B 91 CW] Bentley Piston Failures. Can you please let us have the… | ||
| scan0022 | Standardisation of parts document for Aerolite pistons in RR.53 alloy. | ||
| View original record | AR 755D (SH) (69654. 19-9-34) BM 3/1832/5 COMPLETED 16.3.35. BENTLEY STANDARDISATION of PARTS. Date 22-2-35 Date 19.1.35. X No. 236. Drawing No. Part List Description of Parts. AEROLITE PISTONS IN… | ||
| scan0023 | Completion of a standard cost sheet and its production implementation. | ||
| View original record | STANDARDISATION of PARTS This std. sheet can be completed with costs by deleting the whole of the time on Sec. 5040, L.O.P. 513. Could be brought on production at the end of "D.2" series. Handwritten… | ||
| scan0024 | Letter to The Light Production Co. Ltd. regarding cracked pistons, gudgeon pins, and cam form testing. | ||
| View original record | 436 Exptl. Dept. Hs/Rn.12/KW. 20th, March, 1935. The Light Production Co.Ltd., 60/66, Rochester Row, Westminster, LONDON, S.W.1. For the attention of Mr. Brooks. Dear Sirs, We hope that you received… | ||
| scan0025 | The concluding page of a letter with a reference to an attached sketch. | ||
| View original record | -2- HS/Rm.12/KW.20.3.35. We thank you for the assistance you have offered us in this matter. Yours faithfully, FOR ROLLS-ROYCE LIMITED. Attached: Hs/Mths.13/KW.20.3.35. with sketch B.V. 81. | ||
| scan0026 | The modified grinding of E.84546 semi-split pistons for Spectre. | ||
| View original record | Hs/Mths.13/KW.20.3.35. Modified Grinding of E.84546 Pistons. Attached is sketch B.V.81 showing the proposed grinding of E.84546 semi-split pistons for Spectre in order to increase the bedding surface.… | ||
| scan0027 | Diagram showing the ovality of a piston contour for modified grinding. | ||
| View original record | [ "B.V.81.", ".000", ".00012", ".00048", ".0011", ".002", ".003", ".0041", ".005", ".0059", ".0066", ".007", "45°", "¢ OF GUD. PIN", "DIAGRAM OF OVALITY OF", "PISTON CONTOUR", "MODIFIED GRINDING FOR… | ||
| scan0028 | To Roy regarding an attached invoice from the Light Production Co. for six light pistons, and the return of five of them. | ||
| View original record | To Roy. +236 Hs/Rn.22/KW. 21.3.35. Attached is an invoice from the Light Production Co. for 6. of the light Pistons. We have returned 5 of these to them, which they presumably will replace in due… | ||
| scan0029 | Request for two sets of 3 1/4' bore pistons and a follow-up on previously returned cracked pistons. | ||
| View original record | x236 Exptl. Dept. Hs/Rm.7/KW. 25th March, 1935. C.H. Brooks Esq., The Light Production Co. Ltd., 60/66, Rochester Row, Westminster, London, S.W.1. Dear Brooks, I want some 3 1/4" bore pistons, Bentley… | ||
| scan0030 | Letter from The Light Production Co. Ltd. comparing piston specifications for a Bentley model against a C.140 model. | ||
| View original record | TELEPHONE: VICTORIA 0671 (5 LINES). CODES: A. B. C. 5TH EDITION. ALL COMMUNICATIONS TO BE ADDRESSED TO THE COMPANY. ON ADMIRALTY, WAR OFFICE AND AIR MINISTRY LISTS. THE LIGHT PRODUCTION CO. LTD.… | ||
| scan0031 | Letter from The Light Production Co. Ltd. regarding the supply and dimensions of pistons for a Bentley. | ||
| View original record | - 2 - Messrs. Rolls Royce Ltd. piston than the 3/4" of the Bentley. However, no doubt you will consider these points carefully and let us know whether you could accommodate pistons of such dimensions,… | ||
| scan0032 | Letter to The Light Production Co. Ltd. discussing modifications to C.140 pistons for experimental runs. | ||
| View original record | 4236 Exptl. Dept. Hs/Rm.7/KW. 28th March, 1935. C.H.Brooks Esq., The Light Production Co.Ltd., 60/66, Rochester Row, Westminster, S.W.1. Dear Brooks, Thank you for your letter of the 26th March. The… | ||
| scan0033 | Letter concerning the selective assembly of gudgeon pins in Aerolite pistons and an instance of a seized piston. | ||
| View original record | X236 Exptl. Dept. Hs/Rm.9/KW. 30th March, 1935. C.H.Brooks, Esq., The Light Production Co.Ltd., 60/66, Rochester Row, Westminster, London, S.W.1. Dear Mr. Brooks, Our production people have been… | ||
| scan0034 | Letter discussing modifications to Piston No. C.140 for an experimental run. | ||
| View original record | TELEPHONE: VICTORIA 0671 (5 LINES). CODES: A.B.C. 5TH EDITION. ALL COMMUNICATIONS TO BE ADDRESSED TO THE COMPANY. ON ADMIRALTY, WAR OFFICE AND AIR MINISTRY LISTS. THE LIGHT PRODUCTION CO. LTD… | ||
| scan0035 | Letter from The Light Production Co. Ltd. discussing piston proportions and comparing Aerolite and Bohlnalite materials. | ||
| View original record | - 2 - Messrs. Rolls Royce Ltd. Rover's, and actually they have a set which we made for them for their new engine, after having got their agreement to our ideas of piston proportions. We regret at the… | ||
| scan0036 | Order for modified pistons from the Light Production Co. Ltd. | ||
| View original record | To Roy. 4236 Hs/Rm.12/KW. 2.4.35. Will you please order from the Light Production Co. Ltd. :- 14. Pistons to their No. C.140, modified as per their letter of the 1st April, reference CHB/IR. Hs/Rm. | ||
| scan0037 | Letter from The Light Production Co. Ltd. regarding Aerolite Pistons and arranging a meeting. | ||
| View original record | x236 TELEPHONE: VICTORIA 0671 (5 LINES). CODES: A.B.C. 5TH EDITION. ALL COMMUNICATIONS TO BE ADDRESSED TO THE COMPANY. ON ADMIRALTY, WAR OFFICE AND AIR MINISTRY LISTS. THE LIGHT PRODUCTION CO. LTD.… | ||
| scan0038 | Piston seizure issues on Bentley vehicles and proposing lubrication-based solutions. | ||
| View original record | To Sg. A Wor. c. to E. c. to Hy. c. to Da. c. to Bn. c. to Mx. c. to Hd. +236 Ha/Rm/2/KW.4.4.35. Piston Seizures on the Bentley. We have now had about a dozen cases of piston seizure on the Bentley in… | ||
| scan0039 | Blueprint detailing a modification to an engine connecting rod (con-rod). | ||
| View original record | [ "ROLLS-ROYCE, LTD.", "FILING ROOM", "4 APR 1935", "DERBY.", "B.V.51", "2.700 CTRS.", "OFF SIDE OF ENGINE", "1 HOLE DRILL .031 DIA.", "NEAR SIDE OF ENGINE", "ALL OTHER DIMENSIONS SEE E.B.1603/4",… | ||
| scan0040 | Suggestion for extra piston lubrication to prevent seizures on the Bentley and 20/25's models. | ||
| View original record | Copy to: Wor.E.BY. Da.Bn.Mx.Hd. S/W To Hs/Rm. from Sg. re Piston Seizures on the Bentley. Sg6/E10.4.35 Referring to Hs/Rm.2/KW.4.4.35 I note the suggestion made regarding extra piston lubrication and,… | ||
| scan0041 | The non-existence of piston seizures on the 3 1/2 / 25 Bentley, making increased cylinder wall lubrication unnecessary. | ||
| View original record | To Sg. From Hs/Ma. c.c. to HOR. c.c. to R. c.c. to HY. c.c. to DA. c.c. to Hm. c.c. to Mx. c.c. to Hd. x236 Hs/Rm.9/KW.11.4.35. Piston Seizures on the Bentley. Replying to Sg.8/M.10.4.35. Since piston… | ||
| scan0042 | Letter despatching twelve semi-split pistons for grinding, along with a sketch and returned gudgeon pins. | ||
| View original record | x236 Exptl. Dept. Hs/Mths.5/KW. 11th April, 1935. The Light Production Co.Ltd., 60/66, Rochester Row, Westminster, London, S.W.1. For attention of C.H.Brooks Esq. Dear Sirs, We are despatching to you… | ||
| scan0043 | Blueprint of a piston showing a side view with dimensional measurements. | ||
| View original record | 3.240 3.247 -1/2 BEFORE SAWCUTTING 3.2475 -1/2 3.2475 -1/2 3.2475 -1/2 | ||
| scan0044 | Immediate modification to address piston seizure on Bentley models. | ||
| View original record | L236 Sg. c. Wor. c. Hs. c. E. c. DA c. Bn. c. Mr c. Hd BY/Cgh.1/G.12.4.35. RE: PISTON SEIZURE ON BENTLEY. With reference to Sg.6/E.10.4.35. the modification can be introduced on production chassis… | ||
| scan0045 | Causes of Bentley piston seizures and comparing lubrication systems across various chassis. | ||
| View original record | x236 To Sg. and Her.from E. c. Hs. By. Hd. Mx. [struck through] E/JMR. E/PGN. re Bentley Piston Seizures. With regard to the above, I attach herewith a memo E/McS.1/HP.11.4.35 reporting on the… | ||
| scan0046 | Sheet detailing proposals for oil supply additions and automatic mixture control. | ||
| View original record | - sheet 2 - E.2/HP.12.4.35. (a) some addition to the oil supply which will operate while the oil is cold, such as extra cylinder lubrication coupled to the mixture lever, as on Phantoms, or the scheme… | ||
| scan0047 | Causes and potential solutions for Bentley piston seizures. | ||
| View original record | To E. Bentley Piston Seizures. I have made enquiries of Hd. about the piston seizures on Bentley production cars, and he informs me that in most cases the owners of the cars where seizure has occurred… | ||
| scan0048 | Different methods and issues related to cylinder wall lubrication. | ||
| View original record | +236 To By. Hs/Rm.5/KW.15.4.35. Lubrication of Cylinder Walls. With reference to By/NW.1/VL.1.4.35. This suggestion has been tried in various forms before. S.U's have a patent whereby when the engine… | ||
| scan0049 | Telegram urgently requesting the delivery of larger Bentley pistons. | ||
| View original record | +236 15.4.35. BROOKS, VICTORIA 0671, LONDON. LARGER BENTLEY PISTONS NOT YET RECEIVED. URGENTLY REQUIRED. ROBOTHAM, ROYCAR. | ||
| scan0050 | Telegram regarding the dispatch of larger Bentley pistons. | ||
| View original record | ROWBOTHAM ROYCAR DERBY = LARGER BENTLEY PISTONS DESPATCHED PASSENGER FROM STPANCRAS TODAY = LIGHT PRODUCTION + | ||
| scan0051 | Unsuccessful attempts to reproduce piston seizures on a B-23-AE Bentley Chassis. | ||
| View original record | To Hs/Fm: (FILES) x236 15.4.35. Piston Seizures. The following work has been carried out on B-23-AE Bentley Chassis in an unsuccessful attempt to reproduce piston seizure. The pistons and cylinder… | ||
| scan0052 | Investigation into Bentley piston seizures, detailing boiling tests and subsequent modifications to address cooling issues. | ||
| View original record | FILES. X236 17.4.35. BENTLEY PISTON SEIZURES. ------------------- We have recently been investigating the seizing up troubles experienced on Bentley, but so far have not been able to reproduce the… | ||
| scan0053 | Engine seizure tests under cold starting and rich mixture conditions. | ||
| View original record | -2- Cold Starting. Our next test consisted of running at full throttle at 4,000 r.p.m. with the engine cold, in this test we started up and ran the engine up to 4,000 r.p.m. full throttle immediately… | ||
| scan0054 | Piston seizure tests, comparing standard E.B.1299 pistons with Aerolite pistons. | ||
| View original record | -3- At this stage we discontinued our tests with the standard E.B.1299 pistons and fitted the cylinder block and pistons off a customer's car on which there had been a piston seizure. This customer… | ||
| scan0055 | Analysis of piston seizure causes, including engine boiling and rich fuel mixtures. | ||
| View original record | -4- In each case of piston seizure it has been noticeable that the eng seizure has been on the pressure faces and not on an axis through the gudgeon pin. Allowing for the water temperature to rise… | ||
| scan0056 | Engine running-in procedures and tests to investigate and prevent piston seizure. | ||
| View original record | -5- Running In. We ran a production engine up to 4250 r.p.m. for 15 minutes after it had completed its normal running in period, to see if our standard method of running in was sufficient, but found… | ||
| scan0057 | Confirming an agreement to introduce a small hole in the connecting rod on Bentley models to prevent piston seizure. | ||
| View original record | HS X236 To EX, from Sg. Copy to Wor.Hs. E.DA.Rn.W- Hd. Piston Seizure on Bentley. Referring to EX/Cgh.1/G.12.4.35 this is to confirm the agreement reached at our discussion yesterday, namely, that the… | ||
| scan0058 | Handover of a set of Aerolite Pistons for a Large Bore Bentley Unit. | ||
| View original record | To RHC. X236 Hs/Mthe.19/KW.18.4.35. Large Bore Bentley Unit. We are handing over to R. Speed 1 set of Aerolite Pistons suitable for this unit. Will you please have the usual chart made of the… | ||
| scan0059 | Depot sheet detailing a modification to address piston seizures on the Bentley. | ||
| View original record | To Hd. (FOR DEPOT SHEET). 4236 Hs/Rm.9/KW.18.4.35. Piston Seizures on the Bentley. ----------------------------- There have been several cases of piston seizure on the Bentley. A modification has been… | ||
| scan0060 | Blueprint for a modification to a connecting rod (con-rod). | ||
| View original record | B.V.51 2.700 CTRS. OFF SIDE OF ENGINE 1 HOLE DRILL .031 DIA. NEAR SIDE OF ENGINE ROLLS-ROYCE, LTD. PRINT ROOM APR 18 1935 DERBY ALL OTHER DIMENSIONS SEE E.B.1603/4 SCALE 1/1 MODIFICATION TO E.B.1603/4… | ||
| scan0061 | Weights of piston components for the 3.500 ball engine. | ||
| View original record | Copy for wt files x236 To Hs/Rm. from RHC. c. Hs/Gry. c. Hs/FD. from RHC.5/ETM2.5.35. BENTLEY WEIGHTS. We give below the weights of piston details used in connection with the 3.500 ball engine:- 1 -… | ||
| scan0062 | Letter to a supplier requesting a dozen modified pistons and enquiring about the delivery timeframe. | ||
| View original record | +~36 Exptl. Dept. Hs/Rm.32/KW. 29th May, 1935. C.H. Brooks Esq., The Light Production Co.Ltd., 60/66, Rochester Row, Westminster, S.W.1. Dear Mr. Brooks, We want a dozen more 3 1/2" bore pistons. The… | ||
| scan0063 | To Roy requesting an order for a dozen more pistons from the Light Production Co. Ltd. | ||
| View original record | To Roy. x236 Hs/Rn.33/KW.29.5.35. Will you please order from the Light Production Co.Ltd. a dozen more pistons to their drawing number C.140, as per our letter Hs/Rn.32/KW. 29.5.35, a copy of which we… | ||
| scan0064 | To Roy requesting an order for 3 sets of pistons from Light Production Co. Ltd. | ||
| View original record | To Roy. x236 Hs/Rn.20/KW.27.6.35. Will you please order from the Light Production Co. Ltd., 3 sets of pistons (18) to their drawing No. C.140, as per our letter Hs/Rn.19/KW27.6.35, a copy of which is… | ||
| scan0065 | Letter to The Light Production Co. Ltd. requesting three further sets of pistons with specific dimensions. | ||
| View original record | X236 Exptl. Dept. Hs/Rm.19/KW. 27th June, 1935. C.H. Brooks Esq., The Light Production Co.Ltd., 60/66, Rochester Row, Westminster, London, S.W.1. Dear Mr. Brooks, Will you please supply us with three… | ||
| scan0066 | Letter from The Light Production Co. Ltd. regarding an order for 3 1/2 inch bore pistons. | ||
| View original record | TELEPHONE: VICTORIA 0671 (5 LINES). CODES: A.B.C. 5TH EDITION. ALL COMMUNICATIONS TO BE ADDRESSED TO THE COMPANY. ON ADMIRALTY, WAR OFFICE AND AIR MINISTRY LISTS. THE LIGHT PRODUCTION CO. LTD.… | ||
| scan0067 | Letter to The Light Production Co. Ltd. requesting the supply of 3¼' bore pistons. | ||
| View original record | Exptl. Dept. Hs/Std.27/KW. 5th July, 1935. The Light Production Co.Ltd., 60/66, Rochester Row, Westminster, London, S.W.1. For the attention of Mr. C.H. Brooks. Dear Sirs, With reference to our letter… | ||
| scan0068 | Request to order two sets of 3 1/2 inch bore pistons from Light Production Co. Ltd. | ||
| View original record | To Roy. x.236 Hs/Std.1/KW.6.7.35. Will you please order from the Light Production Co.Ltd., two sets of 3 1/2" bore pistons, as per our letter Hs/Std.27/KW.5.7.35, a copy of which is attached. Hs/Std. | ||
| scan0069 | Letter to Light Production Co. concerning the progress of standard pistons and a proposal for a new design with a larger gudgeon pin. | ||
| View original record | 236 Experimental Dept. 31st July, 1935. He/Rm.4/ETM. Messrs. Light Production Co. 60/66 Rochester Row, Westminster, LONDON. S.W.1. For the attention of Mr. C. H. Brooks. Dear Mr. Brooks, How are the… | ||
| scan0070 | Letter from The Light Production Co. Ltd. to Mr. W.A. Robotham regarding a delay in response due to a colleague's annual holiday. | ||
| View original record | X236 TELEPHONE: VICTORIA 0671 (5 LINES). CODES: A. B. C. 5TH EDITION. ALL COMMUNICATIONS TO BE ADDRESSED TO THE COMPANY. ON ADMIRALTY, WAR OFFICE AND AIR MINISTRY LISTS. THE LIGHT PRODUCTION CO. LTD.… | ||
| scan0071 | Letter to The Light Production Co. Ltd. regarding cracked 3 1/4' bore Bentley pistons for examination. | ||
| View original record | X236 Exptl. Dept. Hs/Mths:6/KW. 31st August, 1935. The Light Production Co.Ltd., 60/66, Rochester Row, Westminster, LONDON, S.W.1. For the attention of C.H. Brooks Esq. Dear Sirs, We are despatching… | ||
| scan0072 | Advice note from The Light Production Co. Ltd. for the dispatch of 32 Mark V Aerolite Pistons. | ||
| View original record | ADVICE NOTE. No. S 26475 THE LIGHT PRODUCTION Co. LTD. PROPRIETORS OF THE LONDON PISTON RING CO. LTD. TELEPHONE: VICTORIA 0671 5 LINES 60/66. ROCHESTER ROW, WESTMINSTER, S.W.1. ENG. TELEGRAMS:… | ||
| scan0073 | Telegram requesting strengthened pistons for an upcoming continental test of a 3 ½' bore engine. | ||
| View original record | X236 6.9.35. Brooks, Napoleonic, Sowest, LONDON. CONTINENTAL TEST OF 3½" BORE ENGINE COMMENCES IN FORTNIGHT'S TIME STRENGTHENED PISTONS URGENTLY REQUIRED. ROBOTHAM, ROYCAR. | ||
| scan0074 | Telegram received by telephone concerning strengthened pistons. | ||
| View original record | ROLLS-ROYCE LTD. x236 TELEGRAM RECEIVED BY TELEPHONE. Robotham Time Received 11.24 Date 9-9-35 To Roycar Derby By JW from Slough 10.35 R Strengthened 3 1/2 high pistons well forward writing tonight… | ||
| scan0075 | Letter to The Light Production Co. Ltd. providing grinding specifications for E.86632 pistons. | ||
| View original record | x2~ Exptl. Dept. HS/Mths.11/KW. 11th September, 1935. The Light Production Co. Ltd., 60/66, Rochester Row, Westminster, LONDON, S.W.1. For attention of C.H. Brooks, Esq. Dear Sirs, We are despatching… | ||
| scan0076 | Letter from The Light Production Co. Ltd. concerning the grinding of E.86632 pistons and the posting of a further set of 3 1/2' Bentley Pistons. | ||
| View original record | x236 TELEPHONE: VICTORIA 0671 (5 LINES). ALL COMMUNICATIONS TO BE ADDRESSED TO THE COMPANY. [FBI Logo] ON ADMIRALTY, WAR OFFICE AND AIR MINISTRY LISTS. CODES: A.B.C. 5TH EDITION. THE LIGHT PRODUCTION… | ||
| scan0077 | Letter acknowledging receipt of strengthened pistons for testing. | ||
| View original record | 4236 Exptl. Dept. Hs/Rm.16/KW. 17th September, 1935. C.H. Brooks Esq., The Light Production Co.Ltd., 60/66, Rochester Row, Westminster, London, S.W.1. Dear Mr. Brooks, Many thanks for the strengthened… | ||
| scan0078 | Letter from The Light Production Co. Ltd. analysing the reasons for returned pistons. | ||
| View original record | x206 TELEPHONE: VICTORIA 0671 (5 LINES). CODES: A. B. C. 5TH EDITION. ALL COMMUNICATIONS TO BE ADDRESSED TO THE COMPANY. ON ADMIRALTY, WAR OFFICE AND AIR MINISTRY LISTS. THE LIGHT PRODUCTION CO. LTD… | ||
| scan0079 | Letter from a supplier discussing the return of a large quantity of pistons and associated quality issues. | ||
| View original record | 2. Messrs. Rolls Royce Limited. 20/9/35. Total number of pistons returned 612. Returns as above 472. Returns attributable to L.P.Co. 140. Of these, returned at our request for adverse Laboratory… | ||
| scan0080 | Letter to The Light Production Co. Ltd. requesting a drawing of a 3 1/4' bore piston. | ||
| View original record | x236 Exptl: Dept. Hs/Gry.19/KW. 15th October, 1935. The Light Production Co.Ltd., 60/66, Rochester Row, Westminster, LONDON, S.W.1. Dear Sirs, We shall be glad if you can let us have a drawing of the… | ||
| scan0081 | Order be placed for 24 scraper rings for a 3 1/4' bore Bentley. | ||
| View original record | x236 To Roy. Hs/Mths.4/KW.28.10.35. We are requesting the "Clews Petersen Piston Ring & Engineering Co.Ltd." to send us 24. Scraper Rings suitable for 3¼" bore Bentley. Will you please send them the… | ||
| scan0082 | Requesting an order for 36 scraper rings for 3 1/4' bore Bentley pistons from the Light Production Co. Ltd. | ||
| View original record | x236 To Roy. Hs/Mths.3/KW.28.10.35. Will you please order from the Light Production Co.Ltd., 36. Scraper Rings for 3 1/4" bore Bentley Pistons. These rings should have the narrow width of * land to… | ||
| scan0083 | Requesting an order for 48 scraper rings for 3 1/2' bore Bentley pistons. | ||
| View original record | To Roy. X236 Hs/Mths.12/KW.29.10.35. Will you please order from the Light Production Co.Ltd. 48. Scraper Rings for 3 1/2" bore Bentley pistons. These rings should have the narrow width of land to give… | ||
| scan0084 | Complaints of excessive oil consumption in Bentley chassis and proposed piston ring solutions. | ||
| View original record | c to Hs/Rm. x236 Rm Hd/SB12/HR.29.10.35. re COMPLAINTS OF EXCESSIVE OIL CONSUMPTION. BENTLEY CHASSIS. --------------------- Further to our Hd/SB11/HR. 28.10.35., we confirm the arrangements made… | ||
| scan0085 | Request to prepare a set of longer connecting rods with Spectre size small ends for testing in a Bentley. | ||
| View original record | To RHC. x236 Hs/Mths.2/KW. 2.11.35. Will you please prepare another set of longer connecting rods similar to B.V. 89 as fitted in B-2 unit, but with Spectre size of small end if possible. We wish to… | ||
| scan0086 | Complaints of excessive oil consumption on Bentley chassis and the proposed trial of more effective piston rings. | ||
| View original record | x236 To Hd. from Hs/Rm. c. to By. Hs/Rm.20/KW.5.11.35. Re Complaints of excessive Oil Consumption on Bentley Chassis. With reference to Hd/SB.12/HR.29.10.35. if you will let us have the next… | ||
| scan0087 | Letter to The Light Production Co. Ltd. requesting a specification for 3 1/4' Bore Bentley Pistons. | ||
| View original record | X236 Exptl. Dept. Hs/Gry.14/KW. 5th November, 1935. The Light Production Co.Ltd., 60/66, Rochester Row, Westminster, London, S.W.1. Dear Sirs, 3 1/4" Bore Bentley Pistons. We shall be glad if you will… | ||
| scan0088 | Letter from The Light Production Co. Ltd. to the Experimental Department confirming a visit to finalise details for the 3 1/2' Bentley Piston. | ||
| View original record | x236 TELEPHONE: VICTORIA 0671 (6 LINES). CODES: A. B. C. 5TH EDITION. ALL COMMUNICATIONS TO BE ADDRESSED TO THE COMPANY. ON ADMIRALTY, WAR OFFICE AND AIR MINISTRY LISTS. THE LIGHT PRODUCTION CO. LTD.… | ||
| scan0089 | File note detailing the specifications for a Mark V piston for a Large Bore Bentley. | ||
| View original record | V236 File Note. 6.11.35. Piston for Large Bore Bentley. Mark V piston, similar to standard Bentley except that it has strengthened gudgeon pin boss. It is ground to a No.14 cam, with .003" clearance… | ||
| scan0090 | Instruction to modify a set of E.B.2124 Scraper Rings to drawing E.B.514. | ||
| View original record | To RHC. x236 Hs/Mths.4/KW.12.11.35. Will you please modify a set of E.B.2124 Scraper Rings to drawing E.B.514. Hs/R.Matthews. | ||
| scan0091 | Request to send an official order to the Light Production Co. for piston rings for a 3 1/2' bore Bentley. | ||
| View original record | To Roy. x236 Hs/Mths.17/KW.14.11.35. We have requested the Light Production Co. Ltd. to supply 24. Compression Rings and 12. Scraper Rings suitable for 3 1/2" bore Bentley. We have specified that the… | ||
| scan0092 | Letter to The Light Production Co. Ltd. requesting the supply of compression and scraper rings with a turned finish. | ||
| View original record | Exptl. Dept. Hs/Mths.16/KW. 14th November,1935. The Light Production Co.Ltd., 60/66. Rochester Row, Westminster, London, S.W.1. For the attention of C.H. Brooks, Esq. Dear Sirs, Will you supply us as… | ||
| scan0093 | Order for 36 Piston Rings from the Light Production Company. | ||
| View original record | To Roy. X236 Hs/Rm.6/KW.25.11.35. Will you please pass an order to the Light Production Company for 36 Piston Rings, as per the attached invoice. Hs/Rn. | ||
| scan0094 | Advice note from The Light Production Co. Ltd. for the dispatch of six Mark V Aerolite pistons. | ||
| View original record | x236 ADVICE NOTE. No. S27718 THE LIGHT PRODUCTION Co. LTD. PROPRIETORS OF THE LONDON PISTON RING CO. LTD. TELEPHONE:- VICTORIA 0671 5 LINES. 60/66, ROCHESTER ROW, WESTMINSTER. S.W.1. ENG. TELEGRAMS:… | ||
| scan0095 | Request to order 15 Scraper Rings with increased width from the Light Production Co. Ltd. | ||
| View original record | To Roy. X236 Hs/Mths.12/KW.26.1135. Will you please order from the Light Production Co.Ltd., 15. Scraper Rings to E.B.2686. These rings have increased width of groove to give increased scraping.… | ||
| scan0096 | Handover of Aerolite pistons for chartmaking and fitting to a B-14 unit. | ||
| View original record | To RHC. X236 Hs/Mths.17/KW.26.11.35. We are handing over a set of Aerolite pistons to R. Speed and we should like the usual chartmaking of the dimensions and the Pistons marked M.2. These pistons… | ||
| scan0097 | Attached invoices from the Light Production Co. Ltd. for experimental pistons. | ||
| View original record | x236 To Roy/Ms. Hs/Rn.25/KW.28.11.35. The attached invoices from the Light Production Co.Ltd. were enclosed in a note referring to experimental pistons. Hs/Rn. | ||
| scan0098 | Letter regarding the return of a cracked piston to The Light Production Co. Ltd. and a request for a replacement. | ||
| View original record | 4236 Exptl. Dept. Hs/Mths.21/KW. 28th November,1935. The Light Production Co.Ltd., 60/66, Rochester Row, Westminster, London, S.W.1. For the attention for C.H. Brooks, Esq. Dear Sirs, We are returning… | ||
| scan0099 | Requesting a covering order for piston rings from the Light Production Co. | ||
| View original record | To Roy. X236 Hs/Rm.26/KW.28.11.35. Will you please pass a covering order to the Light Production Co. for Piston Rings as per the attached Invoice. Hs/Rm. Att: Invoice dated 21.11.35. | ||
| scan0100 | Order to be placed for pistons with the Light Production Co. | ||
| View original record | To Roy. x236 Hs/Rm.14/KW.29.11.35. Will you please pass an order to the Light Production Co. for Pistons as per the attached invoices. Hs/Rm. Att: Invoice dated 25.11.35. " " 23.11.35. | ||
| scan0101 | Letter to The Light Production Co. Ltd. requesting a replacement of 2 pistons due to a failure and a set of final production pistons. | ||
| View original record | X236 Exptl. Dept. Hs/Rm.16/KW. 3rd December, 1935. The Light Production Co.Ltd., 60/66, Rochester Row, Westminster, London, S.W.1. For the attention of Mr. Brooks. Dear Sirs, Many thanks for your… | ||
| scan0102 | Telegram requesting two sets of 3 1/2' bore pistons for testing purposes. | ||
| View original record | X236 BROOKS, NAPOLEONIC, SOWEST, LONDON. FURTHER TWO SETS 3 1/2" BORE PISTONS REQUIRED FOR TEST PURPOSES NOT NECESSARILY LATEST TYPE CAN YOU SUPPLY ANYTHING. ROBOTHAM, ROYCAR. | ||
| scan0103 | Invoice discrepancy for Aerolite Pistons from the Light Production Co. Ltd. | ||
| View original record | [Handwritten: TyX] Hs. G/Cam/CA.23/DW.16.12.35. We have two invoices from the Light Production Co.Ltd. dated 3rd and 4th instant, on which we are charged 15/4d each for 2 Aerolite Pistons complete… | ||
| scan0104 | Official order for an Aerolite piston. | ||
| View original record | x~36 To Roy. c. to G/Cam. Hs/Rm.16/KW.19.12.35. G/CAM/CA.23/DW.16.12.35. Will you please pass an official order to the Light Production Co. for 1. Aerolite Piston complete with rings and pins, 3 1/2"… | ||
| scan0105 | Request to place an order for 12 Aerolite Pistons, Mark V, from the Light Production Co. | ||
| View original record | X236 To Roy. Hs/Rm.9/KW.19.12.35. Will you please pass an order to the Light Production Co. for 12 Aerolite Pistons, Mark V., as per the attached invoice dated 14th December. Hs/Rm. | ||
| scan0106 | Telegram regarding the awaited delivery of 3 1/2' Bentley pistons for experimental testing. | ||
| View original record | x236 BROOKS, NAPOLEONIC, SOWEST, LONDON. AWAITING DELIVERY OF 3 1/2" BENTLEY PI STONS TO PRODUCTION SPECIFICATION. FOR EXPERIMENTAL TEST. ROBOTHAM, ROYCAR. | ||
| scan0107 | Letter from a supplier confirming the specification of twelve delivered pistons and explaining the process for weight adjustment. | ||
| View original record | x236 TELEPHONE: VICTORIA 0671 (5 LINES). CODES: A. B. C. 5TH EDITION. ALL COMMUNICATIONS TO BE ADDRESSED TO THE COMPANY. ON ADMIRALTY, WAR OFFICE AND AIR MINISTRY LISTS. THE LIGHT PRODUCTION CO. LTD.… | ||
| scan0108 | Letter from The Light Production Co. Ltd. to Messrs. Rolls Royce Ltd, this is page 2 of the letter. | ||
| View original record | - 2 - Messrs. Rolls Royce Ltd. from this delivery if they are required. Yours faithfully, FOR THE LIGHT PRODUCTION CO. LTD. W.N.Brooks GENERAL MANAGER. | ||
| scan0109 | Order for a set of Bentley Pistons. | ||
| View original record | To Roy. x236 Hs/Rm.19/KW.31.12.35. Will you please order from the Light Production Co., 1 set of Bentley Pistons to suit a bore of 3.494" + .0005". We attach a copy of a letter we have written to them… | ||
| scan0110 | Letter to The Light Production Co.Ltd. requesting a set of pistons for an undersized cylinder block. | ||
| View original record | Exptl. Dept. Hs/Rm.18/KW. 31st December, 1935 C.H. Brooks Esq., The Light Production Co.Ltd., 60/66, Rochester Row, Westminster, London, S.W.1. Dear Brooks, We have had a cylinder block plated for… | ||
| scan0111 | Advice note for the dispatch of six Mark V Aerolite Pistons to the Experimental Department. | ||
| View original record | ADVICE NOTE. No. S 28299 THE LIGHT PRODUCTION Co. LTD. PROPRIETORS OF THE LONDON PISTON RING CO. LTD. TELEPHONE: VICTORIA 0671 5 LINES. 60/66, ROCHESTER ROW, WESTMINSTER. S.W.1. ENG. TELEGRAMS:… | ||
| scan0112 | Advice note for the dispatch of piston rings and slotted screws to the Experimental Department. | ||
| View original record | Mrs Wilkinson. Did we send covering letter x236 Lo.Do YES: ADVICE NOTE. No. S 28321 THE LIGHT PRODUCTION CO. LTD. PROPRIETORS OF THE LONDON PISTON RING CO. LTD. TELEPHONE:- VICTORIA 0671 5 LINES.… | ||
| scan0113 | Request to send an official order for three sets of Aerolite Pistons for a 3½ inch bore Bentley. | ||
| View original record | To Roy. x236 Hs/Mths.25/KW.10.1.36. We have asked the Light Production Co.Ltd. to supply us with three sets of Aerolite Pistons with the heat break sawcut in the scraper ring groove, and suitable for… | ||
| scan0114 | Letter to The Light Production Co. Ltd. requesting three sets of 3½' bore Bentley pistons and discussing their performance during endurance testing. | ||
| View original record | x236 Exptl. Dept. Hs/Mths 26/KW. 10th January, 1936. The Light Production Co.Ltd., 60/66, Rochester Row, Westminster, LONDON, S.W.1. For the attention of C.H. Brooks Esq. Dear Sirs, We are again… | ||
| scan0115 | Letter to The Light Production Co. Ltd. regarding the procurement of experimental pistons. | ||
| View original record | X236 Exptl. Dept. Hs/Rm.16/KW. 15th January, 1936. The Light Production Co.Ltd., 60/66, Rochester Row, Westminster, LONDON, S.W.1. For the attention of Mr. Brooks. Dear Sirs, We thank you for your… | ||
| scan0116 | Requesting a detailed drawing of a modified piston for the Large Bore Bentley Chassis. | ||
| View original record | x236 To: Roy/Ms. c. Hs/Rm. c. Hs/Mths. BY/CS2/EH.15.1.36. Re Large Bore Bentley Chassis - Piston - Section 5040. Will you please obtain from the Light Production Co. Ltd., London, a detail drawing of… | ||
| scan0117 | Request to place an official order for piston and slotted scraper rings from the Light Production Co. | ||
| View original record | x236 To Roy: Hs/Rm.5/JH.16.1.36. Will you please pass an official order to the Light Production Co. for, 24 3 1/4 Piston rings, and 12 3 1/4 Slotted scraper rings. Total cost £1.17.6d. We attagh… | ||
| scan0118 | Referencing a drawing for large bore pistons which have been standardised with a new part and casting number. | ||
| View original record | To BY/CS. xd 36, Hs/Rm.16./KW.17.1.36. With reference to By/CS.2/EH.15.1.36, the drawing for the large bore pistons which we have standardised was given the number P.301 by the Light Production Co.,… | ||
| scan0119 | Letter to The Light Production Co. Ltd. regarding the production of an experimental set of pistons as a sand casting. | ||
| View original record | x236 Exptl. Dept. Hs/Rm.14/KW. 22nd January, 1936. The Light Production Co.Ltd., 60/66, Rochester Row, Westminster, LONDON, S.W.1. For the attention of Mr. Roberts. Dear Sirs, Thank you for your… | ||
| scan0120 | Letter from The Light Production Co. Ltd. regarding the production of experimental 3 3/4' pistons. | ||
| View original record | TELEPHONE: VICTORIA 0671 (5 LINES). CODES: A.B.C. 5TH EDITION. ALL COMMUNICATIONS TO BE ADDRESSED TO THE COMPANY. ON ADMIRALTY, WAR OFFICE AND AIR MINISTRY LISTS. THE LIGHT PRODUCTION CO. LTD.… | ||
| scan0121 | Letter from The Light Production Co. Ltd. regarding proposed piston changes for a 3 3/4' bore engine. | ||
| View original record | 2. 17/1/36. Messrs. Rolls-Royce Limited. proposed/ change may give a piston which would determine some features about which you are anxious to obtain information, certainly the altered proportions… | ||
| scan0122 | Letter to The Light Production Co. Ltd. requesting a price for three sets of experimental pistons. | ||
| View original record | x236 Exptl. Dept. Hs/Rm.9/KW. 24th January, 1936. The Light Production Co.Ltd., 60/66, Rochester Row, Westminster, LONDON, S.W.1. For the attention of Mr. Martin Roberts. Dear Sirs, We are much… | ||
| scan0123 | Letter from The Light Production Co. Ltd. to the Experimental Department regarding a quotation for three sets and recuperation of Mr. Brooks. | ||
| View original record | X236 TELEPHONE: VICTORIA 0671 (5 LINES). CODES: A. B. C. 5TH EDITION. ALL COMMUNICATIONS TO BE ADDRESSED TO THE COMPANY. ON ADMIRALTY, WAR OFFICE AND AIR MINISTRY LISTS. THE LIGHT PRODUCTION CO. LTD.… | ||
| scan0124 | Letter to The Light Production Co. Ltd. regarding an offer for three sets of special pistons, assigning them the code number EX.1. | ||
| View original record | x236 Exptl. Dept. Hs/Rm.20/KW. 27th January, 1936. C.H. Brooks, Esq., The Light Production Co.Ltd., 60/66, Rochester Row, Westminster, LONDON, S.W.1. Dear Brooks, Many thanks for your offer to do us… | ||
| scan0125 | Requesting an order to be placed with Light Production Co. Ltd. for six modified Bentley pistons. | ||
| View original record | To Roy. c. to Hs/Mths. x236 Hs/Rm.26/KW.31.1.36. Bentley Pistons. Will you please pass an order to the Light Production Co.Ltd. for 6 pistons to our specification EX.1. These pistons will probably be… | ||
| scan0126 | Request to place an official order with the Light Production Co. Ltd. for various sets of piston rings. | ||
| View original record | To Roy. 4236 Hs/Mths.5/JH.31.1.36. We have asked the Light Production Co. Ltd., to supply us with the following Sets of Pistons rings. 3¼" Bore. 36 Compression rings for .002 oversize bore. 18 Scraper… | ||
| scan0127 | Requesting an official order for various sets of piston rings from Light Production Co. Ltd. | ||
| View original record | To Roy. HS/Mths.5/JH.31.1.36. We have asked the Light Production Co. Ltd., to supply us with the following sets of Pistons rings. 3 1/4" bore. 36 Compression rings for .002 oversize bore. 18 Scraper… | ||
| scan0128 | Requesting an official order for various sets of piston rings for different bore sizes. | ||
| View original record | To Roy. HS/Mths.5/JH.31.1.36. We have asked the Light Production Co. Ltd., to supply us with the following sets of Pistons rings. 3 1/4" Bore. 36 Compression rings for .002 oversize bore. 18 Scraper… | ||
| scan0129 | Letter to a supplier requesting specific sets of piston rings and giving feedback on a piston endurance test. | ||
| View original record | X236 Exptl. Dept. Hs/Mths.22/KW. 31st January, 1936. The Light Production Co.Ltd., 60/66, Rochester Row, Westminster, LONDON, S.W.1. For the attention of Mr. Brooks. Dear Sirs, We should like you to… | ||
| scan0130 | Letter requesting details about an anodical piston treatment process from 1934, possibly called 'Alumiliting'. | ||
| View original record | -2- Hs/Mths.22/KW.31.1.36. With regard to the pistons with the sawcut in the scraper ring groove, these have now run for 78 hours, but whether they are cracked or not, we cannot say, as we are waiting… | ||
| scan0131 | Comparison of power output between Aerolite and EB.1299 pistons for Bentley engines. | ||
| View original record | x236 Hs/Mths.1/KW.10.2.36. Bentley Pistons. With regard to Aerolite pistons, these were standardised on account of their low power loss due to friction. At the same time it must be taken into account… | ||
| scan0132 | Oil consumption tests comparing different piston types and chassis configurations. | ||
| View original record | -2- The oil consumption when using Aerolite pistons on endurance tests was found to be good, being 1.0 pints/hour compared with 1.5 to 2.0 pints/hour with EB.1299 pistons. The reports of 10,000 miles… | ||
| scan0133 | Valve clearance issues, oil consumption complaints, and piston performance testing. | ||
| View original record | -3- Hs/Mths.1/KW.10.2.36. In any case this is a case of valve clearance and we are trying to reduce this as much as possible and we intend trying chromium plated inlet valve stems as we think we may… | ||
| scan0134 | The endurance testing of Aerolite pistons for 3½ and 4¼ litre Bentley engines. | ||
| View original record | -4- Hs/Mths.1/KW.10.2.36. The standard Aerolite piston as fitted to the 3½ litre Bentley would complete about 30-35 hours of this test, and we now have a set of Aerolite pistons for the 4¼ litre… | ||
| scan0135 | Issues with piston rings being too close a fit in the grooves for 25/30 HP & 4 1/4 litre Bentley Pistons E.60632. | ||
| View original record | To By. c. to E. c. to RHC. x236 Hs/Wths.5/KW.18.2.36. 25/30 HP. & 4 1/4 litre Bentley Pistons E.60632. We now have a set of these pistons in a Bentley unit and have had trouble with the rings being… | ||
| scan0136 | Complaints of excessive oil consumption in Bentley vehicles, potentially linked to the fitting of Aerolite pistons. | ||
| View original record | W/K. c. c. to Va. (Paris). x236 Hs/Rm.2/KW.22.2.36. From time to time we have heard complaints of the oil consumption being excessive on the Bentley. Recently statements have been made that the oil… | ||
| scan0137 | Letter discussing the commercial viability and pricing of Aerolite pistons for Bentley cars. | ||
| View original record | x236 Exptl. Dept. Hs/Rm.20/KW.25.2.36. 25th February, 1936. C.H. Brooks Esq., The Light Production Co.Ltd., 60/66, Rochester Row, Westminster. LONDON, S.W.1. Dear Mr. Brooks, We are getting severe… | ||
| scan0138 | Letter discussing the urgency of addressing criticism of the Aerolite piston with the Managing Director. | ||
| View original record | -2- Hs/Rm.20/KW.25.2.36. The matter is somewhat urgent as our Managing Director will be here next week and I am proposing to go into the question while he is here. Unfortunately, most of the… | ||
| scan0139 | Letter to C.H. Brooks of The Light Production Co. Ltd. to arrange a meeting. | ||
| View original record | x236 Exptl. Dept. Hs/Rm.4/KW.28.2.36. 28th February, 1936. C.H. Brooks Esq., The Light Production Co.Ltd., 60/66, Rochester Row, Westminster, London, S.W.1. Dear Mr. Brooks, Further to our telephone… | ||
| scan0140 | Reasons for standardizing Aerolite pistons on Bentley vehicles. | ||
| View original record | To Sg. from Hs/Rm. c.c. to WOF. c.c. to E. c.c. to Da. c.c. to Hx. c.c. to Cx. Aerolite Pistons. We note that in the minutes of the last Conference, at which we were not present, under a reference to… | ||
| scan0141 | Comparison of standard and Aerolite pistons regarding oil consumption, power output, weight, and criticisms. | ||
| View original record | -2- Hs/Rm.12/KW.28.2.36. (2) Improved Oil Consumption. Attached is a list of six 10,000 miles tests on standard pistons and four on Aerolite pistons. Taking the oil consumption at the completion of… | ||
| scan0142 | The cost and production challenges of the Aerolite Piston. | ||
| View original record | -3- (2) High Cost of the Aerolite Piston. Referring to the Standardisation Sheet No.236, it will be seen that on this sheet it is stated there is no difference in cost between the Aerolite piston and… | ||
| scan0143 | The introduction of Stromberg carburetters and Borg & Beck clutches. | ||
| View original record | -4- Ha/Rm.12/KW.28.2.36. We are shortly going to be in production with Stromberg carburetters and Borg & Beck clutches, which have been introduced because they have been shown by tests to be better… | ||
| scan0144 | Test results table for Bentley cars comparing Standard pistons and Aerolite pistons over various mileages. | ||
| View original record | AEROLITE PISTONS. 10,000 MILES TESTS - BENTLEY. Standard Pistons. | Date | Car | Total mileage | Oil Consumption. |… | ||
| scan0145 | Cost analysis of substituting Aerolite Pistons for R.R. manufactured pistons on the 25/30HP Chassis. | ||
| View original record | To Hs/Rm. from G/Rb. x236 G/Rb.6/M/143C/W.2336. Re: Pistons - 25/30HP. Chassis We are of the opinion that by substituting Aerolite Pistons in place of pistons of R.R. manufacture, the factory cost,… | ||
| scan0146 | Questioning the price increase of Aerolite pistons for large bore Bentley cars. | ||
| View original record | To Roy. c. to Wor. x36 Hs/Rm.22/KW.5.3.36. Aerolite Pistons. We understand that on the large bore Bentley the Light Production people have increased the price of the Aerolite pistons by an amount… | ||
| scan0147 | List of chassis numbers with details of work carried out on their pistons and rocker shafts. | ||
| View original record | x236 R.R.Pistons. Chassis No. 121-AE) 173-AE) 193-CW) 110-DG) New Pistons. 181-DK) 185-DK) 199-DK) 55-AE) New rings. 9-CW ) 134-CR) 62-DG) 79-DK) 21-DK) Rocker shaft. 107-CW) 72-CR) 152-DG) 161-BL… | ||
| scan0148 | Letter from The Light Production Co. Ltd. to W. A. Robotham concerning negotiations on the 3½' Bentley Aerolite. | ||
| View original record | x236 TELEPHONE: VICTORIA 0671 (6 LINES). CODES: A.B.C. 5TH EDITION. ALL COMMUNICATIONS TO BE ADDRESSED TO THE COMPANY. ON ADMIRALTY, WAR OFFICE AND AIR MINISTRY LISTS. THE LIGHT PRODUCTION CO. LTD.… | ||
| scan0149 | Letter discussing the price difference for Aerolite Pistons due to foundry scrap issues and manufacturing improvements. | ||
| View original record | CHB/IR 11th March 1936. Messrs. Rolls Royce Limited, DERBY. For the attention of Mr.H. Royce. Dear Sirs, Your Order No. 95445. In connection with the above, which calls for 3½" diameter Aerolite… | ||
| scan0150 | Letter from The Light Production Co. Ltd. regarding a price reduction and delivery of pistons. | ||
| View original record | - 2 - Messrs. Rolls Royce Ltd. at 13/3d. each complete, which you will see is an improvement even on the price of the original 3½" model. We have delivered some 604 pistons up to date against a total… | ||
| scan0151 | Notification of a price reduction for Bentley Aerolite Pistons from The Light Production Co. | ||
| View original record | To Wor. from ROY. c. to Hs/Rm x236 Rm ROY4/MG16.3.36 Bentley Aerolite Pistons ex The Light Production Co. The Light Production Company advise they have now found it possible to reduce their Foundry… | ||
| scan0152 | Letter to The Light Production Co. Ltd. requesting special piston rings to address an oil consumption issue. | ||
| View original record | X236 Exptl. Dept. Hs/Rm.1/KW. 19th March, 1936. C.H. Brooks, Esq., The Light Production Co. Ltd., 60/66, Rochester Row, Westminster, LONDON, S.W.1. Dear Brooks, Special Piston Rings. We are not very… | ||
| scan0153 | Race strategy and car modifications for the Le Mans race. | ||
| View original record | To Hs/Rm. Derby Showrooms Sr/Dn9/ET.21.3.36 Dear Rm., LE MANS RACE I lunched yesterday with Faroux and we had a long talk about the Le Mans race. The result of this conversation was as follows: PETROL… | ||
| scan0154 | Faroux's strategy for winning the Le Mans race, emphasizing reliability and continuous driving over outright speed. | ||
| View original record | Sr/Dn9/ET.21.3.36 - 2 - SYSTEM OF DRIVING - Faroux considers that, if the car is capable of approximately 185 Kms. per hour on the straight and it does not have to stop for minor repairs of any… | ||
| scan0155 | Letter confirming a 1/4 scale drawing of a new car body has been sent, showing the position for a straight petrol tank filler. | ||
| View original record | x262 53, BERKELEY COURT, N.W.1. WELBECK 5010. March 23rd 1936 Dear Mr Robotham I am writing to confirm that I have told Messrs. Offords to send you a 1/4 scale drawing of the rear end of the new body… | ||
| scan0156 | Issue with 'petrol swabbing over' and the redesign of baffles to cope with the problem. | ||
| View original record | & filler in accordingly. Mr Hall asked me to remind you of the trouble we had with swabbing over of petrol last year. He thought you were going to re-design the baffles to cope with this trouble.… | ||
| scan0157 | Fuel tank filling methods, comparing churns to the Le Mans overhead system. | ||
| View original record | 53, BERKELEY COURT, N.W.1. WELBECK 5010. Churns in order to test for swabbing over. Though of course the Le Mans fill-up is done from overhead & is I believe much more quickly put in than with the… | ||
| scan0158 | Headlamps, a front cowl, and other parts. | ||
| View original record | Please let us know if you would like the chums. I have told Offord that you will be sending him 2 head lamps. We are seeing Mr Lea Evans about anchoring the front cowl tomorrow. Kind regards Yours… | ||
| scan0159 | Letter regarding hotel accommodation for the Le Mans 24 hour race. | ||
| View original record | X 262 Bentley Motors Ltd. Derby.............Rm. Showrooms Sr/EWP9/MLG.23.3.36 Dear "Rm", Le Mans 24 hour race Hotel accomodations at Le Mans for the 24 hour race to be held this year June the 13th and… | ||
| scan0160 | Advice note from The Light Production Co. Ltd. for the dispatch of 15 slotted scraper rings. | ||
| View original record | x236 ADVICE NOTE. No. S29063 THE LIGHT PRODUCTION Co. LTD. PROPRIETORS OF THE LONDON PISTON RING CO. LTD. TELEPHONE:- VICTORIA 0671 5 LINES. 60/66, ROCHESTER ROW, WESTMINSTER, S.W.1. ENG. TELEGRAMS:… | ||
| scan0161 | Letter from Offord & Sons Ltd. enclosing a quarter scale drawing showing the position of the petrol tank filler for a Bentley chassis. | ||
| View original record | x262 CARS ARE ONLY DRIVEN BY OUR STAFF AT OWNERS' RISK AND THE COMPANY DO NOT ACCEPT ANY RESPONSIBILITY FOR LOSS OR DAMAGE FROM FIRE, THEFT OR ANY OTHER CAUSE 24 PRIZE MEDALS AWARDED WORKS… | ||
| scan0162 | Letter to E.R. Hall discussing modifications to a Bentley body for racing, including filler cap placement and automatic oil feed systems. | ||
| View original record | x262 Exptl. Dept. Hs/Rm.12/KW. 26th March, 1936. E.R. Hall, Esq., 53, Berkeley Court, LONDON, N.W.1. Dear Hall, I have received a very incomplete pencil sketch 1/4 scale of the Bentley body from… | ||
| scan0163 | Page 2 of a typed letter discussing car modifications including a filler cap and headlamps for a 24-hour race. | ||
| View original record | -2- Hs/Rm.12/KW.26.3.36. It is splendid that Sleator is going to continue to be marshall of the course, since we shall be able to see how you are getting on. Incidentally you will see that the filler… | ||
| scan0164 | Letter to C.H. Brooks of The Light Production Co. Ltd. regarding the performance and testing of piston rings. | ||
| View original record | x236 Exptl. Dept. Hs/Rm.8/KW. 27th March, 1936. C.H. Brooks Esq., The Light Production Co.Ltd., 60/66, Rochester Row, Westminster, LONDON, S.W.1. Dear Brooks, Many thanks for the piston rings. Our… | ||
| scan0165 | Table of daily oil consumption figures for a Bentley (B-56-BN) and a 25 HP (22-G-V) model. | ||
| View original record | Daily oil Consumption Figures. Bentley (B-56-BN) 11.3.36. 360 m.p.g. 12.3.36. 621 " 13.3.36. 609 " 14/15.3.36. 615 " 16.3.36. 642 " 17.3.36. 604 " 18.3.36. 815 " 19.3.36. 870 " 20.3.36. 1191 "… | ||
| scan0166 | Preparations for the Le Mans Race, including using a Phantom III for course policing and accommodation arrangements. | ||
| View original record | W/P - Sr. Hs/Rm.6/KW.27.3.36. Le Mans Race. Many thanks for Sr/Dn.9/ET.21.3.36. I agree almost exactly with everything Faroux says: it seems sound advice. I suggest that you ought to use a Ph.III for… | ||
| scan0167 | Short communication regarding the unavailability of headlamp brackets. | ||
| View original record | x262 28.3.36. HALL, WELBECK 5010, LONDON. REGRET NO HEADLAMP BRACKETS AVAILABLE. ROBOTHAM, ROYCAR. | ||
| scan0168 | Letter to The Light Production Co. Ltd. requesting high unit pressure turned surface rings for trial on a Bentley. | ||
| View original record | X236 Hs/Rm.8/KW. Exptl. Dept. 4th April, 1936. C.H. Brooks, Esq., The Light Production Co.Ltd., 60/66, Rochester Row, Westminster, LONDON, S.W.1. Dear Mr. Brooks, Thank you for your letter of the 2nd… | ||
| scan0169 | Request to place an official order for two different types of piston sets from Light Production Co. Ltd. | ||
| View original record | To Roy. x23b Hs/Mths.19/KW.7.4.36. Will you please send an official order to the Light Production Co.Ltd., for the following :- 3 sets of Pistons having heat break sawcut in the scraper ring groove,… | ||
| scan0170 | Letter to The Light Production Co. Ltd. about returning a set of cracked pistons that failed during a high-compression engine test. | ||
| View original record | Exptl. Dept. Hs/Mths.15/KW. 7th April, 1936. The Light Production Co.,Ltd., 60/66, Rochester Row, Westminster, LONDON, S.W.1. For the attention of Mr. C.H. Brooks. Dear Sirs, We are returning to you… | ||
| scan0171 | Request for six sets of pistons with modified specifications including dimensions, weight, and heat break sawcuts. | ||
| View original record | -2- Hs/Mths.15/KW.7.4.36. We should now like as soon as possible, three set of pistons having the heat break sawcut in the scraper ring groove but at the same time retaining the normal skirt… | ||
| scan0172 | Correcting piston dimensions for an order placed with Light Production Co. Ltd. | ||
| View original record | +236 To Roy. Hs/Mths.5/JH.18.4.36. In our memo. Hs/Mths.19/KW.7.4.36. we requested you to pass an order to the Light Production Co. Ltd., for :- 3 sets of pistons having heat break sawcut in scraper… | ||
| scan0173 | Request to issue a covering order for an invoice from The Light Production Co. Ltd. for slotted scraper rings. | ||
| View original record | K.W. Please issue a covering order Rm Hs. C. to Roy. G/Cam/CA.45/IL.23.4.36. We have an invoice from The Light Production Co.Ltd. dated 9th inst. on which we are charged 10d. each nett for 72. Slotted… | ||
| scan0174 | Confirming the receipt of scraper rings for a 4 1/4 litre Bentley chassis. | ||
| View original record | X236 To G/Cam/EM. c. to G/Mt. Hs/Mths.18/JH. 24.4.36. With reference to your memo. G/Cam/EM.36/IL. 23.4.36 we have received the 18 scraper rings referred to and they are for use on 4¼ litre Bentley… | ||
| scan0175 | Request to place an official order for 72 Slotted Scraper Rings. | ||
| View original record | +236 To Roy. c. to C/Cam. Hs/Rm.11/JH. 25.4.36. Replying to G/Cam/CA.45/IL. 23.4.36. Will you please pass an official order to the Light Production Co.Ltd., for :- 72 Slotted Scraper Rings 3 1/4 x… | ||
| scan0176 | Requesting the preparation of Bentley pistons to be sent for grinding. | ||
| View original record | x236 To HHC. Hs/Mths.4/JH. 27.4.36. Bentley Pistons. Will you please prepare 12 off each of Rm. 91 and Rm. 92 Pistons as far as the grinding stage as we wish to send them to the Light Production Co.… | ||
| scan0177 | Requesting an official order for 36 Scraper Rings from Light Production Co. Ltd. | ||
| View original record | To Roy. X236 Hs/Mths.21/KW.28.4.36. We have asked the Light Production Co.Ltd. to supply us with 36. Scraper Rings suitable for 3 1/4" bores to our drawing EB.2378 but having unit pressure of 26… | ||
| scan0178 | Letter to a supplier requesting scraper rings and discussing ongoing tests on other piston and ring designs for Bentley engines. | ||
| View original record | Exptl. Dept. 28th April, 1936. Hs/Wths.19/KW. The Light Production Co.Ltd., 60/66, Rochester Row, Westminster, LONDON, S.W.1. For the attention of Mr. C.H.Brooks. Dear Sirs, Will you please supply us… | ||
| scan0179 | Letter concerning piston design and an official order for rings. | ||
| View original record | -2- We do not think it will have much effect but we shall have to make certain before we change over from existing design of piston. We are instructing our Order Office to forward to you an official… | ||
| scan0180 | Letter to The Light Production Ltd. requesting the supply of various piston rings. | ||
| View original record | X236 Exptl. Dept. Hs/Mths.27/RW. 4th May, 1936. The Light Production Ltd. Ltd., 60/66, Rochester Row, Westminster, LONDON, S.W.1. For the attention of Mr. C.H. Brooks. Dear Sirs, Will you please… | ||
| scan0181 | To Roy requesting an official order for 48 Piston Rings for the Light Production Co. Ltd. | ||
| View original record | To Roy. x236 Hs/Mths.5/KW.5.5.36. Will you please pass an official order to the Light Production Co.Ltd. for 48. Piston Rings, in accordance with the details given in our letter Hs/Mths.27/KW.4.5.36,… | ||
| scan0182 | Letter to Mr. Brooks of The Light Production Co. Ltd. to arrange a meeting about piston rings. | ||
| View original record | 4236 Exptl. Dept. HS/Rm.22/KW. 25th May, 1936. C.H. Brooks, Esq., The Light Production Co.Ltd., 60/66, Rochester Row, London, S.W.1. Dear Brooks, We have got a lot of information from Mr. Taub, The… | ||
| scan0183 | Recommending the trial and potential standardization of turned Bentley Scraper Rings to address high oil consumption. | ||
| View original record | x236 To By. c. to E. c. to Mx. Hs/Rm.22/KW.26.5.36. Bentley Scraper Rings. With reference to Hs/Mths.4/JH.26.5.36, we recommend that we should at once order 50 sets of turned rings and put them… | ||
| scan0184 | Experiments on Bentley scraper rings to improve engine oil consumption. | ||
| View original record | To Hy. c. to R. c. to Mx. Hs/Mths.4/JH. 25.5.36. Bentley Scraper Rings. We have recently been carrying out experiments with a view to improving the oil consumption of Bentley units and have come to… | ||
| scan0185 | Supplier of piston scraper rings for the Bentley chassis and arranging an order. | ||
| View original record | Hs/Rm. BY/Cgh.4/W.4.6.36. BENTLEY CHASSIS - PISTON SCRAPER RINGS. With reference to Hs/Rm.22/KW.26.5.36, as you are aware, pistons for the Bentley chassis are bought out complete with gudgeon pins and… | ||
| scan0186 | The procurement and performance issues of piston scraper rings for the Bentley chassis. | ||
| View original record | X256 To By. c. to E. c. to Roy. Hs/Rm.8/KW.6.6.36. Bentley Chassis - Piston Scraper Rings. With reference to By/Cgh.4/W.4.6.36. Will you please order the turned rings from the Light Production Co.,… | ||
| scan0187 | Dispatching pistons to the Light Production Co. for grinding and requesting an official order be passed. | ||
| View original record | x236 To Roy. Hs/Mths.10/KW.9.6.36. We are despatching to-day the following Pistons for the Light Production Co. to grind to their No.10 Cam :- 15. Rm.91 (Bentley O/No. 54107). 15. Rm.92 (Bentley O/No.… | ||
| scan0188 | Letter to The Light Production Co. Ltd. despatching pistons for grinding to a No.10 cam. | ||
| View original record | x236 Exptl. Dept. Hs/Mths.9/KW. 9th June, 1936. The Light Production Co.Ltd., 60/66, Rochester Row, Westminster, LONDON, S.W.1. For the attention of Mr. C.H.Brooks. Dear Sirs, We are despatching to… | ||
| scan0189 | Letter to The Light Production Co. Ltd. requesting the supply of 14 modified 4.5 litre Bentley pistons. | ||
| View original record | Exptl. Dept. Hs/Mths.26/KW. 10th June, 1936. The Light Production Co.Ltd., 60/66, Rochester Row, Westminster, LONDON, S.W.1. For the attention of Mr. C.H. Brooks. Dear Sirs, We should like you to… | ||
| scan0190 | Instructing Roy to place an official order for 14 pistons with the Light Production Co. Ltd. | ||
| View original record | To Roy. X236 Hs/Mths.27/KW.10.6.36. Will you please pass an official order to the Light Production Co.Ltd. for the 14 Pistons complete with rings and gudgeon pins mentioned in our letter… | ||
| scan0191 | Letter from The Light Production Co. Ltd. regarding a discrepancy in an engineering drawing for a special Aerolite piston. | ||
| View original record | Matthews. Is this our order or one of the single cylinder jobs. R.M. TELEPHONE: VICTORIA 0671 (6 LINES). ALL COMMUNICATIONS TO BE ADDRESSED TO THE COMPANY. THE LIGHT PRODUCTION CO. LTD. PROPRIETORS OF… | ||
| scan0192 | The closing page of a letter from the General Manager of The Light Production Co. Ltd. | ||
| View original record | - 2 - Messrs. Rolls Royce Limited. Your early reply would be appreciated. Yours faithfully, FOR THE LIGHT PRODUCTION CO.LTD. [Signature: C.N. Brooks] GENERAL MANAGER. | ||
| scan0193 | Letter to a supplier regarding a drawing correction for an angle and faulty scraper rings causing high oil consumption. | ||
| View original record | x-236 Exptl. Dept. Hs/Mths.23/KW. 17th June, 1936. The Light Production Co.Ltd., 60/66, Rochester Row, Westminster, LONDON, S.W.1. For the attention of Mr. C.H. Brooks. Dear Sirs, Many thanks for your… | ||
| scan0194 | Despatch of Piston Scraper Rings to the makers for examination due to high oil consumption. | ||
| View original record | x236 To D/BP. c. to G/Mt. Hs/Mths.21/KW.17.6.36. We are sending into the Stores for despatch to The Light Production Co.Ltd., 60/66, Rochester Row, Westminster, London, S.W.1. 18. Piston Scraper… | ||
| scan0195 | Letter from The Light Production Co. Ltd. discussing the flatness and manufacturing process of scraper rings. | ||
| View original record | x236 MATTHEWS- TELEPHONE: VICTORIA 0671 (5 LINES). CODES: A. B. C. 5TH EDITION. ALL COMMUNICATIONS TO BE ADDRESSED TO THE COMPANY. ON ADMIRALTY, WAR OFFICE AND AIR MINISTRY LISTS. THE LIGHT PRODUCTION… | ||
| scan0196 | Letter from The Light Production Company Ltd. regarding high oil consumption. | ||
| View original record | 2. Messrs. Rolls Royce Ltd. 22/6/36. small amount in actual fact, and in our opinion high oil consumption could not be entirely attributable to this feature, although it may be in a small way a… | ||
| scan0197 | Letter to The Light Production Co. Ltd. requesting 72 modified scraper rings for oil consumption tests. | ||
| View original record | x23b Exptl. Dept. Hs/Mths.28/KW. 23rd June, 1936. The Light Production Co.Ltd., 60/66, Rochester Row, Westminster, LONDON, S.W.1. For the attention of Mr. C.H. Brooks. Dear Sirs, We should like you to… | ||
| scan0198 | Comparison of piston ring details and oil consumption between Chevrolet and Bentley engines. | ||
| View original record | Y 236 FILES. 23rd June, 1936. Comparison of Piston Ring Details and Oil Consumption. The rings compared in this report are those used on the Chevrolet and bently engines and although there is a wide… | ||
| scan0199 | Specification sheet detailing the properties of compression rings and Chevrolet scraper rings. | ||
| View original record | -2- Compression Rings. (E.80820). Tangential load = 1.954 lbs. Dial of ring = 3.500 Width = .0937 Radial thickness = .120 Cylinder wall pressure, = 11.9 lbs./sq.in. Ratio Cylinder dia./Radial… | ||
| scan0200 | Page detailing specifications for 'Stepped type' and 'Plain' compression rings, with a note comparing them to Chevrolet rings. | ||
| View original record | -3- Compression Rings (Stepped type). Tangential load = 5.234 lbs. Dia. of ring. = 3.312 Width (total) = .123 Width (bearing) = .073 Radial thickness = .142 Cylinder wall pressure = 43.3 lbs./sq.in.… | ||
| scan0201 | Technical analysis and comparison of piston rings, including material properties, manufacturing methods, and oil consumption tests. | ||
| View original record | -44- rings vary as much as 15% but even allowing for the fact that we may have a set of the strong rings and assuming their variation to be similar to our own they would still have a considerably… | ||
| scan0202 | Comparison of various lubricating oils' consumption and viscosity, with analysis of the results. | ||
| View original record | -5- TYPE OF OIL | CONSUMPTION PTS/HR. | REDWOOD VISCOSITY 110°C. 0°C. --- Castrol "Z" | 1.75" | 43.0 | 7250 Castrol "C.W". | 2.75 | 43.0 | 9000 Castrol "XXL" | 1.75 | 79.0 | 32500 Mobiloil "Arctic" |… | ||
| scan0203 | Specifications and analysis requirements for Chevrolet piston rings. | ||
| View original record | Further Particulars of Chevrolet Rings. A { To require a load of 9 lbs. min. (11 to 12 lbs. desired) (applied at 'W' and supported at 'R' to close gap in ring. B Rings must pass light gauge test 100%… | ||
| scan0204 | Letter from The Light Production Co. Ltd. updating on the production status of various piston sets. | ||
| View original record | x236 Mths. Please note & return Rm. TELEPHONE: VICTORIA 0671 (5 LINES). CODES: B.C. 5TH EDITION. ALL COMMUNICATIONS TO BE ADDRESSED TO THE COMPANY. ON ADMIRALTY, WAR OFFICE AND AIR MINISTRY LISTS. THE… | ||
| scan0205 | Letter to W.A. Robotham regarding delivery updates for Aerolite pistons and R.R. Castings. | ||
| View original record | - 2 - W. A. Robotham Esq. will be necessary to effect delivery of these. 3. Fourteen Aerolite Pistons to R.S.201 - We have encountered one or two annoying hitches in the foundry with this job, but the… | ||
| scan0206 | Letter from The Light Production Co. Ltd. regarding the supply of Type 'B' piston rings. | ||
| View original record | Matthews x236 Please note & return THE LIGHT PRODUCTION CO. LTD. PROPRIETORS OF THE LONDON PISTON RING CO. LIMITED. ENGINEERS TELEPHONE: VICTORIA 0671 (5 LINES). CODES: A.B.C. 5TH EDITION. ALL… | ||
| scan0207 | Letter to The Light Production Co. Ltd. requesting a supply of compression rings for oil consumption tests. | ||
| View original record | Exptl. Dept. Hs/Mths.28/KW. 3rd July, 1936 The Light Production Co.Ltd., 60/66, Rochester Row, Westminster, LONDON, S.W.1. For the attention of Mr. C.H. Brooks. Dear Sirs, In connection with our oil… | ||
| scan0208 | Requesting an official order be passed to the Light Production Co. for Compression Rings. | ||
| View original record | To Roy. X-236 Hs/Mths.29/KW.3.7.36. Will you please pass an official order to the Light Production Co. for the Compression Rings detailed in our letter Hs/Mths.28/KW.3.7.36, a copy of which is… | ||
| scan0209 | Telegraphic request for the urgent supply of a set of D Type rings. | ||
| View original record | X236 BROOKS, NAPOLEONIC, SOWEST, LONDON. 9.7.36. HOW SOON CAN YOU SUPPLY A SET OF P.R.657 D TYPE RINGS TURNED. VERY URGENTLY REQUIRED. ROBOTHAM, ROYCAR. | ||
| scan0210 | Letter from The Light Production Co. Ltd. confirming the despatch of a set of rings. | ||
| View original record | TELEPHONE: VICTORIA 0671 (5 LINES). CODES: A.B.C. 5TH EDITION. ALL COMMUNICATIONS TO BE ADDRESSED TO THE COMPANY. ON ADMIRALTY, WAR OFFICE AND AIR MINISTRY LISTS. THE LIGHT PRODUCTION CO. LTD.… | ||
| scan0211 | Request to pass an official order for two sets of P.R.657 'D' type turned rings to the Light Production Co. Ltd. | ||
| View original record | X236 To Roy. Hs/Rm.14/KW.11.7.36. Will you please pass an official order to the Light Production Co.Ltd., for 2 sets of P.R.657 'D' type turned Rings. One of these sets was despatched in response to… | ||
| scan0212 | Letter to The Light Production Co. Ltd. regarding a cracked ring and a request for a replacement. | ||
| View original record | x236 Exptl. Dept. Hs/Rm.12/KW. 11th July, 1936. The Light Production Co.,Ltd., 60/66, Rochester Row, Westminster, LONDON, S.W.1. For the attention of Mr. Brooks. Dear Sirs, Many thanks for despatching… | ||
| scan0213 | Urgent telegram requesting 48 turned compression rings with a 3 1/2' diameter. | ||
| View original record | X236 11.7.36. NAPOLEONIC, SOWEST, LONDON. URGENTLY REQUIRE 48 TURNED COMPRESSION RINGS 3 1/2" DIAMETER. ROBOTHAM, ROYCAR. | ||
| scan0214 | Requesting an official order be passed to the Light Production Co. for compression and scraper rings. | ||
| View original record | x236 To Roy. Hs/Swdl.3/KW.11.7.36. Will you please pass an official order to the Light Production Co. for the Compression and Scraper rings detailed in our letter Hs/Swdl.2/MJ.11.7.36, a copy of which… | ||
| scan0215 | Letter to The Light Production Co. Ltd. placing an order for various types of rings. | ||
| View original record | x236 Expl. Dept. Hs/Swdl.2/MJ. 11th. July, 1936. The Light Production Co. Ltd., 60/66, Rochester Row, Westminster, LONDON. S.W.1. Dear Sirs, We thank you for the 6 P.R.657 D. type scraper rings which… | ||
| scan0216 | Telegram requesting the earliest delivery date for turned compression rings with scarf and butt joints. | ||
| View original record | X206 16.7.36. BROOKS, NAPOLEONIC, SOWEST, LONDON. WIRE EARLIEST DATE DELIVERY TURNED COMPRESSION RINGS STOP IF POSSIBLE SEND SCARF AND BUTT JOINTS. ROBOTHAM, ROYCAR. | ||
| scan0217 | Letter to The Light Production Co. Ltd. confirming a telegram and urgently requesting the delivery of turned compression rings. | ||
| View original record | X236 Exptl. Dept. Hs/Mths.29/KW. 17th July, 1936. The Light Production Co.Ltd., 60/66, Rochester Row, Westminster, London, S.W.1. For the attention of Mr. C.H. Brooks. Dear Sirs, This is to confirm… | ||
| scan0218 | Letter to The Light Production Co. Ltd. concerning piston ring sideways clearance. | ||
| View original record | x236 Exptl. Dept. Hs/Rm.21/KW. 28th July, 1936. C.H. Brooks Esq., The Light Production Co.Ltd., 60/66, Rochester Row, Westminster, LONDON, S.W.1. Dear Mr. Brooks, Piston Ring Sideways Clearance. For… | ||
| scan0219 | Letter to The Light Production Co. Ltd. ordering 50 plain piston rings. | ||
| View original record | x236 Hs/Mths.22/MA. 4th August, 1936. The Light Production, Co.Ltd., 60-66, Rochester Row, Westminster, London, S.W.1. For the attention of Mr.C.H.Brooks. Dear Sirs, Will you please supply 50 piston… | ||
| scan0220 | Official order for 50 piston rings from Light Production Co. Ltd. | ||
| View original record | X236 To Roy. Hs/Mths.31/JH.4.8.36. Will you please pass an official order to the Light Production Co.Ltd., for the 50 piston rings asked for in our letter reference Hs/Mths.22/MA.4.8.36.… | ||
| scan0221 | Requesting an official order for rings for a 25/30 chassis and Bentley spares. | ||
| View original record | x236 To Roy. Hs/Mths.4/JH.13.8.36. Will you please pass an official order for the rings mentioned in our letter Hs/Mths.5/JH.13.8.36. a copy of which is attached. The rings to E.61115/6, 6 similar… | ||
| scan0222 | Letter to a supplier requesting the supply of rings and correcting specifications on the associated drawings. | ||
| View original record | Exptl. Dept. Hs/Mths.5/JH. 13th August, 1936. Messrs. The Light Production Co.Ltd., 60/66, Rochester Row, Westminster, London.S.W.1. For the attention of Mr. C.H.Brooks. Dear Sirs, We should like you… | ||
| scan0223 | Specifications and ordering requirements for various types of piston rings, including scraper and compression rings. | ||
| View original record | -2- Hs/Mths.5/JN.13.5.36. We should like you to confirm these figures but we believe they are approximately correct; we have checked over the standard scraper rings, and using these values we get a… | ||
| scan0224 | Letter to a supplier requesting the production of specific piston rings and detailing additional requirements for a previous order. | ||
| View original record | Roy. V236 Hs/Mths.15/MA. 14th August, 1936. The Light Production Co.Ltd., 60/66 Rochester Row, Westminster, London, S.W.1. For the attention of Mr.C.H.Brooks. Dear Sir, We shouldlike you to produce… | ||
| scan0225 | Letter discussing the increased weight of a standard Bentley production piston compared to its original specification. | ||
| View original record | -2- We have also found that the weight of the standard Bentley production piston is now heavier than it was originally. Theoriginal weight of the Piston without rings or gudgeon pin was 18¾ ozs. The… | ||
| scan0226 | Recommendations for Simplex ring fitments on Rolls-Royce and Rolls-Bentley pistons. | ||
| View original record | X236 For the attention of Mr.Blackith. Copy to Mr.Noble. With reference to the two pistons from Messrs. Rolls Royce, Mr.Noble stated that the split skirt piston was used in the Rolls Royce engine and… | ||
| scan0227 | Order be placed for various types of rings. | ||
| View original record | To Roy. x236 Hs/Mths.3/JH.18.8.36. Will you please pass an order to the Light Production Co.Ltd., 60/66 Rochester Row, Westminster, London, S.W.1. for the following - 12 Plain Compression rings.… | ||
| scan0228 | Correct manufacturing process for 'L' shape piston rings. | ||
| View original record | BY/OC. [crossed out] G. Sect. [crossed out] G. C. O. [crossed out] c. Hs/Rm. L236 [handwritten] BY.6/G.26.8.36. 'L' SHAPE PISTON RINGS. It is of the utmost importance when producing 'L' shape rings to… | ||
| scan0229 | Requesting a covering order for 72 scraper rings received from the Light Production Co. Ltd. | ||
| View original record | <236 To Roy, Hs/Mths.15/JH. 4.9.36. Will you please issue a covering order for the 72 Scraper Rings referred to in memo. C/Cam/AA,55/KI. 1.9.36. These rings have been received by us from the Light… | ||
| scan0230 | Letter to The Light Production Co. Ltd. ordering various rings and querying the wall pressure of a previously supplied batch. | ||
| View original record | Exptl. Dept. Hs/Mths.1/KW. 11th September, 1936. The Light Production Co.Ltd., 60/66, Rochester Row, Westminster, London, S.W.1. For the attention of Mr. C.H. Brooks. Dear Sirs, We should like you to… | ||
| scan0231 | Letter discussing issues with overweight pistons and returning scored cast rings with excessive gaps. | ||
| View original record | -2- Hs/Mths.1/KW.11.9.36. With regard to the weight of pistons, the writer has checked over some of these on production and they are now 18.9 to 19.1 ozs. Where the piston that weighed 19 1/4 ozs.… | ||
| scan0232 | Official order be passed to The Light Production Co. Ltd. for piston rings. | ||
| View original record | To Roy. x236 Hs/Mths.2/KW.11.9.36. Will you please pass an official order to The Light Production Co. Ltd. for the Piston rings detailed in our letter Hs/Mths.1/KW.11.9.36, a copy of which is… | ||
| scan0233 | Requesting the modification of ring grooves on a set of Aerolite Pistons to fit Sealed power Rings. | ||
| View original record | To RHC. x236 Hs/Swdl.4/KW.11.9.36. Will you please modify the ring grooves on the set of Aerolite Pistons which we will supply to Rm.216 in order to fit Sealed power Rings. These are available as soon… | ||
| scan0234 | Clarifying the correct supply of rings ordered from the Light Production Co. Ltd. | ||
| View original record | To G/Cam. x236 Hs/Mths.9/KW.22.9.36. In reply to your memo. G/Cam/CA.68/JM.19.9.36, the Light Production Co.Ltd. were correct in supplying 40 of each type of ring, the extra rings were ordered in a… | ||
| scan0235 | Letter to The Light Production Co. Ltd requesting the supply of rings to various drawing specifications. | ||
| View original record | x Exptl. Dept. Hs/Mths.17/JH. 24th September, 1936. The Light Production Co.Ltd, 60/66, Rochester Row, Westminster, LONDON, S.W.1. For the attention of Mr. C.H. Brooks. Dear Sirs, We should like you… | ||
| scan0236 | Requesting an official order be sent to the Light Production Co. Ltd. for rings. | ||
| View original record | To Roy. c. to G/JWH. X236 Hs/Mths.17/KW.24.9.36. Will you please send an official order to the Light Production Co. Ltd. for the rings ordered in our letter reference Hs/Mths.17/JH.24.9.36, a copy of… | ||
| scan0237 | The condition of cylinders for chassis B.34.BN, detailing measurements, modifications, and oil consumption. | ||
| View original record | copy. x236 Levallois. To Bentley Motors Ltd. Derby............ Hs/Rm. Sr/VAL/ET.15.10.36. Re: CHASSIS B.34.BN - Dr. FLESCH. ----------------------- (Total mileage 27,270 Kms.) Please find attached… | ||
| scan0238 | Key sheet detailing the procedure for measuring cylinder bore dimensions. | ||
| View original record | Levallois. Sr/VA2/ET.15.10.36. CYLINDER BORE DIMENSIONS. KEY SHEET. -------------------- Measurements are now taken by us in 5 places in the cylinder bores, as specially requested by GWH. The 5 places… | ||
| scan0239 | Blueprint showing a cross-section and dimensions for Bentley Cylinder Bores. | ||
| View original record | BENTLEY CYLINDER BORES 5. 3.25 CROWN. CENTRE MOUTH 5.250" 3.500" 2.250" 5 1 2 3 4 PLEASE REFER TO MEMO SR/VA2/ET. 15.10.36. V.A. 15/10/36 | ||
| scan0240 | The condition and dimensions of cylinder bores after a grind out. | ||
| View original record | CONN. RODS HAVE No. .031" DIA: HOLE IN SIDE REPORT UPON CONDITION OF CYLINDERS CHASSIS Nº B-34-BN JOB Nº 35702 DATE 12-10-36 1ST GRIND OUT MILEAGE 27270 KMS. ORIGINAL BORES YES. CYLINDER BORE… | ||
| scan0241 | Internal request to order various piston rings for the Paris service station. | ||
| View original record | x286 To Roy, c. to G/JWH. Hs/Mths.5/JH.17.10.36. Will you please order with as little delay as possible, the following Piston rings. 36 E.61152 Compression rings. 18 E.61162 Scraper " 18 611184 "L"… | ||
| scan0242 | Confirming the dispatch of a set of Aerolite pistons and explaining a delay in supplying the associated rings. | ||
| View original record | W/P - Sr/VA. x236 Hs/Mths.4/JH.17.10.36. In reply to your memo. Sr/VA.1/ET.13.10.36. we are sending over to you one set of Aerolite pistons complete with rings and Gudgeon Pins suitable for .010… | ||
| scan0243 | Requesting an official order for replacement rings from the Light Production Co. Ltd. | ||
| View original record | x2367 Roy. From Rm/Mths. c. to G/JWH. Rm/Mths.9/MA.22.10.36. Will you please pass an official order to the Light Production Co.Ltd., for the rings to order number 22329 these are namely :- 20 E.61115… | ||
| scan0244 | Patent application and modified designs for grooved scraper rings. | ||
| View original record | Hs. Rm. E. 236 BY.3/G.16.11.36. SCRAPER RINGS OF THE GROOVED TYPE. -------------------------------- We have put in a patent application for a modified form of scraper ring; when we went to the grooved… | ||
| scan0245 | Oil consumption tests and the interchangeability of groove-type scraper rings for Bentley and 25/30 engines. | ||
| View original record | 236 By. from Rm. c. to Hs. c. to E. Rm5/R.17.11.36. SCRAPER RINGS OF THE GROOVE TYPE. With reference to By.3/G.16.11.36., we have done the majority of our oil consumption tests on the Bentley. We… | ||
| scan0246 | Standardisation report for an Aerolite piston detailing modifications following endurance test failures. | ||
| View original record | RR 755B (10H) 88620 12-8-35 W.H.K. 21800 COMPLETED 19.b.37. BENTLEY STANDARDISATION of PARTS. Date 22.12.36 (handwritten: 29.12.36) X No. 236 Drawing No. EB.2844 Description of Parts: Aerolite piston.… | ||
| scan0247 | Statement confirming nil tool cost for production starting with the 'L' Series chassis. | ||
| View original record | Estimated Tool Cost - Nil. Could be brought on to production at the first chassis in "L" Series (without scrap) | ||
| scan0248 | Failure of heat-stressed piston rings in Bentley engines and their replacement. | ||
| View original record | 236. Hs. from Rm/GWH. S. By. Rm. Kingsbury. Rm/GWH1/R.11.3.37. BENTLEY - PISTON RINGS. The Kingsbury Department has recently been receiving piston rings that are apparently heat stressed in place of… | ||
| scan0249 | Specifications and production updates for Bentley pistons and scraper rings. | ||
| View original record | W/K - Rm/GWH. Rm/Mths.11/JH.15.6.37. Bentley Pistons. With reference to your letter of the 12th inst. re Bentley Pistons, you have been supplied with the latest type EB.3151 as now on production,… | ||
| scan0250 | Request to machine six Aerolite pistons for Bentley engines to drawing Rm.216 to fit American piston rings. | ||
| View original record | To HPS. 236 Rm/Mths.9/JH.12.7.37. Bentley Pistons. Will you please arrange to have machined to drawing Rm.216, six aerolite pistons. Rm.216 is modification to ring grooves in order that American… | ||
| scan0251 | Letter from The Light Production Co. Ltd. confirming the dispatch of urgently requested High Pressure Bentley Compression Rings. | ||
| View original record | Files 236 TELEPHONE: VICTORIA 0671 (6 LINES). CODES: A.B.C. 5TH EDITION. ALL COMMUNICATIONS TO BE ADDRESSED TO THE COMPANY. ON ADMIRALTY, WAR OFFICE AND AIR MINISTRY LISTS. THE LIGHT PRODUCTION CO.… | ||
| scan0252 | Depot sheet memo regarding the fitting of replacement Bentley pistons for the K-series chassis. | ||
| View original record | 236 Hd. (For Depot Sheet). c. By. Rm/Swdl3/R.2.11.37. BENTLEY PISTONS. Will you please issue a Depot Sheet to cover the following:- (1) If in service it is necessary to fit new pistons for any reason,… | ||
| scan0253 | Piston supply issues for a 4.5 Litre Bentley, following an engine seizure. | ||
| View original record | To RMC. from Hd. o/to Hs. c to BY. (crossed out) Handwritten: Swadl Run Files HAlo/MW24.11.37. Handwritten: 236 4 1/4 Litre Bentley - Pistons. --------------------------- As a matter of interest to… | ||
| scan0254 | The correct type of pistons to be fitted to 4¼ Litre Bentley vehicles. | ||
| View original record | Hd. COPY. BY6/N16.10.37. 4¼ Litre Bentley - Pistons. -------------------------- It is most impostant that where it is necessary to fit new pistons, the same type should be used as originally fitted.… | ||
| scan0255 | Requesting the sawcutting and drilling of Aerolite pistons for Bentley. | ||
| View original record | 236 To HPS. Rm/Cwdl.8/JH.16.8.38. PISTONS (BENTLEY) Will you please complete by sawcutting and drilling in accordance with the attached drawing Rm.92, the Aerolite pistons which will be supplied by… | ||
| scan0256 | Requesting average bore wear figures for Bentley pistons for comparison with previous pistons. | ||
| View original record | 236 also 1113 W/K - GWH. Rm/CTS.9/JH.23.1.39. BENTLEY PISTONS. With reference to your memo. Rm/GWH.8/N.20.1.39. Can you please supply as soon as possible, an average bore wear figure taken on a number… | ||
| scan0257 | Requesting sets of raised crown pistons for 4 1/4-litre Bentleys to improve performance and gain experience. | ||
| View original record | 236 Rm/Swdl. from Rm. Rm4/R.31.3.39. We should like to get a few sets of raised crown pistons for 4 1/4-litre Bentleys which can be fitted when people want improved performance. Customers will pay for… | ||