Rolls-Royce Archives
| Identifier | Entry | ||
| Scan001 | Production timeline for a Phantom engine with a new aluminum head and an EAC-V11 chassis. | ||
| View original record | To R. from Hs. c. to BJ. Wor. c. to E. DA. c. to BY. X7050 Hs7/LG30.8.26. EAC-V11.X7770 We anticipate it will be 4 or 5 weeks before we have a Phantom engine running with the new aluminium head and… | ||
| Scan002 | Development of a revised engine with different cylinder block configurations. | ||
| View original record | To Hs. from E. c. to BY. X7050 RE. EAC. 7. X. 7770 X. 790 X. 7050 E1/M24.5.27. We are pushing on with a revised engine having a 9" high crankchamber, and cyl. blocks fitted with dry liners, as it is… | ||
| Scan003 | Instruction to fit a set of anti-distortion packings to 12-EX cylinder blocks during erection. | ||
| View original record | To RIC. From Hs/Rn. X7050 X1351 Hs/Rm5/LC17.8.27. Will you please fit a set of anti distortion packings to 12-EX. cyl. blocks when erecting. GWH. will supply the necessary material. Hs/Rn. | ||
| Scan004 | Design of an induction pipe and port arrangement, comparing 4-port and 6-port systems. | ||
| View original record | R. from E. c. to BJ. Hs. +7050 E4/M17.1.28. EAC.10 INDUCTION PIPE AND CYLINDER HEAD. X.7070 X.7050 X.4214 When in Derby recently we had a discussion with Mr. Lovesey on the above and as a result asked… | ||
| Scan005 | Note discussing the application of an undertype slot for 4 or 6 port induction pipes, referencing a blueprint. | ||
| View original record | contd :- -2- The question of using the undertype slot applies of course to either 4 or 6 port induction pipes. Blueprint Lec. 2509 herewith. E. | ||
| Scan006 | Blueprint for a cylinder head, its valve passages, and valve rocker layout. | ||
| View original record | R. from E. c. to BJ. Hs. BY. X7050 E4/M22.2.28. EAC.10 CYL: HEAD. X.7050 X.7060 We send herewith blueprint of Lec.2509 shewing the instructions sent to Derby for the cyl. head. The question of valve… | ||
| Scan007 | Design of exhaust and inlet valve guides for a Phantom aluminium head. | ||
| View original record | BY. from E. c. to BJ. Hs. 47050 E2/M23.3.28. PHANTOM ALUMINIUM HEAD. LeC.2464. X. 8050 X. 7050 X. 7060 X. 8060 X. 289 In reply to your BY8/G20.3.28., our requisition is founded on the EAC.14 and RR.F.… | ||
| Scan008 | Scheme to adapt an inlet pipe and cylinder head for a new type of carburetor. | ||
| View original record | BY. from E. c. to BY. Hs. X7050 E1/M24.3.28. EAC.10 CYL: HEAD. X.7050 X.7080 We send you herewith drg. Lec.2526, shewing a drg. of an inlet pipe to suit the present type of carb. for EAC.10 The object… | ||
| Scan009 | Modification to an induction pipe and cylinder head. | ||
| View original record | R. from E. c. to BJ. Hs. BY. X7050 E4/M24. 3. 28. EAC.10 CYL: HEAD. X. 7050 X. 7070 X. 7080 Since sending you a blueprint of LeC. 2528 - Induction Pipe - we have made a modification as shewn on the… | ||
| Scan010 | Standardisation of a cylinder head complete with double valve springs to reduce detonation. | ||
| View original record | RR 755 REVISED (10H) (DE 649 9-12-26) BM. 2/1187. STANDARDISATION of CHASSIS PARTS. COMPLETED 10.5.28 Date 23.3.28 No. 7050 Drawing No. E.76989 Part List Description of Parts. CYLINDER HEAD COMPLETE… | ||
| Scan011 | The implementation costs and test date for fitting a new part to a chassis. | ||
| View original record | STANDARDISATION OF CHASSIS PARTS (1) The number of the first chassis on which the new part will be fitted. X F.2.B series. (2) Date when the chassis will be handed to test. 9.6.28 (3) Cost of scrapped… | ||
| Scan012 | Suggesting the addition of nickel and chromium to iron castings to increase their strength for car parts. | ||
| View original record | BY. HL. from R. c. to BJ. Wor. c. to RG. Hs. +7050 R1/M23.5.28; IRON CASTINGS. X.5050 X.7050 X.8050 Many people seem to be adding nickel and chromium to iron castings to increase their strength,… | ||
| Scan013 | Production difficulties with Phantom induction pipes and engine tappet clearance issues. | ||
| View original record | BJ. from Hs. c: to Wor. BY. c: to C. SG. c: to FN. CWB. +7050 Hs4/LG30.5.28. PHANTOM INDUCTION PIPES. 48070 +7070 ----------------------- We visited WW. on Friday last to discuss with R: the… | ||
| Scan014 | The ignition timing setting for the turbulent head. | ||
| View original record | To BY. from Hs/Rm. x7050 Hs/Rm5/LG31.5.28. TURBULENT HEAD. x7060 The ignition setting on the turbulent head is 10° later than on the cast iron head. The flywheel marking for the timing with the hand… | ||
| Scan015 | The tappet push rod fouling the cylinder block on F.2.B. Chassis engines. | ||
| View original record | Hs X7050 Mx/McM5/T28.6.28. re F.2.B. Chassis. We find the tappet push rod on engines of the above series are still fouling the cylinder block, although the holes in the cylinders are to the new… | ||
| Scan016 | The properties, casting difficulties, and potential uses of Mr. Hall's light alloy. | ||
| View original record | BY. H1. from R. Hs. c. to BJ. Wor. +7050 R8/M20.8.28. RE. MR. HALL'S LIGHT ALLOY. X.7050 X.3801 I understand that this is satisfactory as regards specific gravity and strength even to fairly high… | ||
| Scan017 | Alterations for induction pipes, comparing an exhaust heated jacket with a water heated scheme. | ||
| View original record | +7050. BY. from E. c. to BJ. Hs. E2/M12.9.28. EAC.10. INDUCTION PIPES. X.7230 X.7070 X.8050 ------------------------- We send you herewith drgs. LeCs. 2591/2 dealing with the above. The former shews… | ||
| Scan018 | Results of experiments with nickel and nickel-chrome alloys in iron castings. | ||
| View original record | X7050 BY11/G.26.9.28. R. C. BJ. C. Wor. C. Hs. -------- IRON CASTINGS. -------- Referring to R1/M23.5.28. I was under the impression that I had explained what had been done up to date at the time your… | ||
| Scan019 | Reduction of silicon and phosphorus content for further experimental work. | ||
| View original record | - 2 - BY11/G.26.9.28. is 2 to 2.25%. We think this will be more effective by reducing the silicon by about .2%, and also reducing the phosphorus content. We are doing this in our further experimental… | ||
| Scan020 | Requesting further special cylinder heads to address a metallic clicking issue which a previous modification failed to solve. | ||
| View original record | X7050 By c Mr Hancock/Exp.Dept. c Mr Spitt [Struck through] c Mr walker/Pattern Shop [Struck through] from Mx. RE CYLINDERS WITH THICKER EXHAUST PORT WALLS Referring back to my memo Mx3/T14.8.28, in… | ||
| Scan021 | Confirmation request for a portion of an SS cylinder head to be used for gas flow tests. | ||
| View original record | To RHC. from Hs/Rn. X7050 Hs/Rn5/LG26.10.28. TESTS ON GAS FLOW. This is to confirm that you will let us have a portion of an SS. cyl. head having one inlet valve guide, valve seat and port face… | ||
| Scan022 | Request to supply a piece of lead with specified dimensions for the 'cast iron aluminium head controversy'. | ||
| View original record | To RHC. from Hs/Rn. X7050 Cyl. Hs/Rnl/LGZ.11.28. Will you please supply a piece of lead as per sketch. This lead is urgently required in connection with the cast iron aluminium head controversy.… | ||
| Scan023 | From a non-technical employee asking for a simplified explanation of the advantages of a 'turbulent head' for sales purposes. | ||
| View original record | X7050 HS To Wor. From BJ. Copy to Sg. Copy to Hs. Copy to Ev. Turbulent Head. I expect it is because I am not technical that I have so far been unable to understand clearly what is the real advantage… | ||
| Scan024 | The performance and characteristics of the turbulent head engine component. | ||
| View original record | WOR. c. HS. TURBULENT HEAD. -------------- Referring to BJ9/E.23.11.28, the introduction of the turbulent head was undoubtedly intended, amongst other advantages, to increase the available power, but… | ||
| Scan025 | Improvements of a new engine head design over an obsolete one, focusing on self-ignition, silencer firing, and detonation. | ||
| View original record | - 2 - undoubtedly make the engine re-action vibrations more noticeable. R's car (14-EX) is actually running with 4.75 to 1 compression, and is giving quite good results. R. is perfectly satisfied with… | ||
| Scan026 | Request to order half a dozen experimental gaskets using aluminium sheets and soft steel. | ||
| View original record | ROY. c. Hs. cyl? X7050 BY9/G.13.12.28. We would like to have some gaskets for our SS. chassis, made up with aluminium sheets instead of copper, and using soft annealed low carbon steel sheet for the… | ||
| Scan027 | Engine damage caused by carburetter air valve penny pin failure, with a recommendation to revert to a previous pin design. | ||
| View original record | To E. from Hs/Rn. c. to BY. Wor. (Handwritten) X7050 Hs/Rm6/LG14. 3.29. CARBURETTER AIR VALVE PENNY PINS. (Handwritten) X7080 We have completely scrapped an S.S. Cylinder head and damaged two pistons… | ||
| Scan028 | Design changes and material testing for an 'SS' Exhaust Manifold. | ||
| View original record | R. from E. c. to BJ. Hs. BY. +7050 E3/M29.1.29. 'SS' EXHAUST MANIFOLD. X.7230 X.7050 Blueprint Lec.2657 attached shews the above made up of 2.25 out.dia. pipe instead of the present 2", and welded to… | ||
| Scan029 | With sketches comparing two parts and their chassis applicability. | ||
| View original record | E72176. V to 150E2 1650 chassis E76463. 151E2 to H2 600 chassis | ||
| Scan030 | Cylinder and piston lubrication, particularly the risks during cold starts and comparing different engine models. | ||
| View original record | Hs ✔ C-By ✔ C-Wor C-MP from Mx. Mx3/T29.1.29 CYLINDER & PISTON LUBRICATION With reference to your Hs1/LC25.1.29. We are very interested in this matter, as we certainly do not agree that any recent… | ||
| Scan031 | Oil leaks, fastening issues, and potential design modifications for the 'SS' Valve Rocker Cover. | ||
| View original record | R. from E. c. to BJ. Hs. BY. Y7050 E1/M2.2.29. 'SS' VALVE ROCKER COVER. X.7050 X.7090 We have obtained from Derby a print of what is being tested for the above, and this print (Sch.1101) is attached.… | ||
| Scan032 | Alternative materials for Gasket E. 77361, comparing aluminium, steel, and brass combinations. | ||
| View original record | HS. c. BY/SS. c. BY/CS. X7050? BY2/G.12.2.29. GASKET E. 77361. -------- America informed us that they had been advised a gasket made up of aluminium top and bottom sheets with steel ferrules was… | ||
| Scan033 | Requesting details be added to sketches for lubrication on start-up, using existing part E.17144. | ||
| View original record | x7050? To RHC. from Hs/Rn. Hs/Rnl/LG17. 6. 29. CYL: LUBRICATION WHEN STARTING UP. Will you please make details to the attached sketches using, where necessary, the existing pieces of E.17144 which is… | ||
| Scan034 | The testing of an extra cylinder lubrication system, scheme Hs.222. | ||
| View original record | FILES. EXTRA LUBRICATION - CYLINDERS - SCHEME Hs.222. At the commencement of these tests as many standard parts as possible from E.17144 arrangement were used in conjunction with the special parts… | ||
| Scan035 | Test report on oil pressure, jet performance, and oil types under various temperatures and conditions. | ||
| View original record | -2- The pressure was increased to 25 lbs/sq.in. - the standard main oil pressure with slightly better results, but still No.1 jet was too slow. The supply pipe was then connected to the centre of the… | ||
| Scan036 | Schematic diagram showing the layout of a testing apparatus for extra cylinder lubrication. | ||
| View original record | PUMP PRESSURE SUPPLY TANK PUMP FILTER DELAY VALVE DELIVERY PRESSURE 6 5 4 3 2 1 CENTRAL FEED PIPE LAYOUT OF TESTING APPARATUS FOR EXTRA CYLINDER LUBRICATION - Hs 882 - 20-7-29. | ||
| Scan037 | Request to instruct the production of six sets of copper tubes for SS aluminium cylinder heads to test for corrosion. | ||
| View original record | BY/CS. Hs. RHC. C. BY/SS. -------- X7050 BY7/G.2.7.29. Will you please arrange to instruct up six sets of copper tubes suitable for the SS. aluminium cylinder head. We have in mind putting these in on… | ||
| Scan038 | Difficulties and a proposed scheme for extra cylinder lubrication. | ||
| View original record | To E. from Hs/Rn. c. to SS. Hs. c. to EP. x7050 Hs/Rn.1/MJ.3.9.29. For Sketch see original. S.S. EXTRA CYLINDER LUBRICATION. -------------------- "With reference to E1/MS.7.29., there are one or two… | ||
| Scan039 | Second page of a memorandum noting the attachment of a sketch. | ||
| View original record | -2- We attach a sketch of the bits we are using. Hs/Rm. | ||
| Scan040 | Delayed examination of a modified cylinder head on chassis No. 97-KR. | ||
| View original record | To Hm. from Hs/AJL. filing. x7050 Hs/AJL.2/WJ.13.9.29. Re. Chassis No. 97-KR. ------------------------- "With reference to your Hm/AVS.22/KW5.9.29., the cylinder head inquestion is in use on a car… | ||
| Scan041 | Private memorandum discussing recent troubles with aluminium heads and a suggested solution. | ||
| View original record | Hs/Rm Sèvres P/W "Hs/Rm" X7050. PRIVATE PsIO/RJ.30/9/29. Re: Aluminium Head & Recent troubles. I hear similar troubles were experienced by French Firms adopting aluminium heads, and that they were… | ||
| Scan042 | Radiator filter designed for collecting sediment from the cylinder block. | ||
| View original record | HS. From E. COPY. X 7050. E.1/M14.10.29. c. to Sg. c. to By. Y SS. RADIATOR FILTER. X. 7250 X. 7050 We send you herewith Lec. 2753., shewing a filter R. would like you to try for collecting the… | ||
| Scan043 | Adopting a method of heating Phantom II cylinders to form a protective skin against corrosion. | ||
| View original record | X.7050. By. from Hs. c. Wor. Hs4/AD28.10.29. CAR RADIATORS.HL1/EJW26.10.29. It would appear important that we adopt as soon as possible the method of heating the Phantom II cylinders so as to form a… | ||
| Scan044 | Heat treatment process to protect Phantom cylinders from corrosion and requesting hardness tests. | ||
| View original record | +7050. ~~EFH~~ ~~c. ST/Mr.Pendlebury.~~ ~~c. Nor.~~ ~~c. HS.~~ ~~c. HL.~~ PHANTOM CYLINDERS. ------------------- HL. has reported that he has obtained experimentally extremely good results in the way… | ||
| Scan045 | Report on the use of aluminium cylinder heads, referencing the experience of the Mack Truck Co. | ||
| View original record | X7050 RECEIVED NOV 1 1929 To Sg. cy. Bz. c. Hs. From Oy. Oy1/W1.11.29. RE CYLINDER ( ALUMINIUM HEAD) I attach a report written on September 25th by Mr.Allen, Metallurgist at Springfield, referring to… | ||
| Scan046 | Issues with aluminum cylinder heads based on the experience of a Mack Truck Service Station. | ||
| View original record | COPY. September 25, 1929. TO: Mr. Olley (England) CC. Mr. Beaver Mr. Ainsworth. Mr. Burton. Mr. Ross. FROM: Mr. Allen. RE: ALUMINUM CYLINDER HEAD. On Tuesday, while in Long Island, I visited the Mack… | ||
| Scan047 | Report discussing performance issues with aluminum components compared to cast iron. | ||
| View original record | -2- They experienced considerable trouble with corrosion in the Southwest, but not so much in other sections of the country and this, in itself, would not have been considered sufficient cause for the… | ||
| Scan048 | Corroded aluminium tubes in a Phantom cylinder head and the proposed solution of anodically treating them. | ||
| View original record | X7050. To BY. From Hs. c. to WGR. Hs. S/MJ.27.12.29. ALUMINIUM TUBES IN PHANTOM CYLINDER HEAD. X7050 X7250 We have received some further aluminium tubes from Paris which have corroded and leaked. We… | ||
| Scan049 | Preliminary tests for providing extra oil to cylinders. | ||
| View original record | 7050 To RHC. From Hs/Rn. Hs/Rn.2/MJ.8.1.30. EXTRA OIL TO THE CYLINDERS. We have now completed our preliminary tests on extra oil to the cylinders. We require crankshaft bottom half. pistons and… | ||
| Scan050 | Test report on an extra cylinder lubrication oiling scheme, detailing oil distribution results. | ||
| View original record | From Hs/Rm. C. to E. x7950 Hs/Rm.1/MJ.9.1.30. x7980 x7950 Extra Cylinder Lubrication. We have been doing some tests on the extra cylinder oiling scheme to N. Sch. 2742 using Amber A oil at shop… | ||
| Scan051 | Further tests for ensuring lubrication of the whole piston skirt. | ||
| View original record | -2- We are making further tests with a view to ensuring that the extra oil works round the piston and so lubricates the whole skirt. HS/Rm. | ||
| Scan052 | Request to fit an oil pump and pipes to an engine for crankshaft lubrication. | ||
| View original record | To RHC. From Hs/Rn. x7050. Hs/Rn.2/MJ.10.1.30. With reference to the engine with the extra lubrication to the cylinders, to which we have asked you to fit a crankshaft and bottom half. Will you please… | ||
| Scan053 | On tests for extra cylinder lubrication, recommending an 'off-centre' oil feed method for better distribution. | ||
| View original record | To R. From Hs/Rn. (Held up). c. to E. Wor. c. to SE. Ey. Handwritten: X719 Hs/Rn.2/MJ.3.2.30. EXTRA CYLINDER LUBRICATION. ----------------------- Further to our Hs/Rn.1/AJ9.1.30. We have now completed… | ||
| Scan054 | Recommendation to add bosses to crankcase castings for a scheme to supply extra oil to the cylinders. | ||
| View original record | DT. From He/Ra. [Strikethrough: Cylinders & Crankcases] X7980 X719 He/Ra. 4/M.J.13.E.30. EXTRA OIL TO THE CYLINDERS. --------------------------- We recommend that the bosses to take the scheme for… | ||
| Scan055 | Request for the inspection of corrosion on nickel-coated copper tubes within a cylinder head after steam treatment. | ||
| View original record | x7050. RHC. From Hs/Rn. Hs/Rn.3/MJ.17.3.30. We hand you herewith cylinder head with nickel coated copper tubes, which has been subjected to super-heated steam treatment for a fortnight. We should be… | ||
| Scan056 | Depot sheet regarding the corrosion of aluminium cylinder head tubes and the introduction of Nickel plated Copper replacements. | ||
| View original record | To Hm. From Hs/Rn. For Depot Sheet. Y7050. Hs/Rn.5/MJ. 21.3.30. X7250 Y7050 CORROSION OF CYLINDER HEAD TUBES. Several cases of water in the crankcase have been traced to corrosion of the aluminium… | ||
| Scan057 | Standardisation report for replacing aluminium cylinder head tubes with nickel-coated copper tubes to prevent corrosion. | ||
| View original record | RR 755 REVISED (100) (OF.SOT. A-1-29) BM. 2/5943 [Handwritten]: X7050 COMPLETED 15.4.30. STANDARDISATION of CHASSIS PARTS. Description of Parts. NICKEL COATED [Handwritten]: Copper CYLINDER HEAD… | ||
| Scan058 | Standardisation of chassis parts for extra cylinder lubrication. | ||
| View original record | RR 755 REVISED (10H) (DG 348 19-7-29) 5M. 6/543. COMPLETED 26.8.30. *X7980. X719 STANDARDISATION of CHASSIS PARTS. Description of Parts: EXTRA CYLINDER LUBRICATION. Origin: To prevent seizure of… | ||
| Scan059 | Modifications to raise the compression ratio of a 40/50 engine. | ||
| View original record | To RHC. From Hs/Rm. X7050 Hs/Rm.1/MJ.10.1.31. RAISED COMPRESSION RATIO. 40/50. The present 40/50 compression ratio is 4.6S. We want to raise it to approximately 4.9. To do this we must drop the… | ||
| Scan060 | Blueprint detailing a modification to a Phantom II cylinder head to raise the compression ratio. | ||
| View original record | RAISING COMPRESSION RATIO PHANTOM II HEAD. .125 ROLLS-ROYCE LIMITED PRINT 10 JAN 31 | ||
| Scan061 | Requesting urgent work on a Phantom Cylinder head for No. 5 Test. | ||
| View original record | To RHC. From Hs/LS. x705D. Hs/LS.5/KT. 21.4.31. Will you please carry out the following work on Phantom Cylinder head (large valves) which we have in No.5 Test. (1) machine cylinder head face .100 +10… | ||
| Scan062 | Instructions for alterations to a Phantom II cylinder head and the provision of special pistons for testing. | ||
| View original record | RHC. from Hs/Lov. X7010 Hs/Lovl/AD28.4.31. Phantom II Cylinder Head. Will you please carry out the following alterations to standard cylinder head of No. 7 unit :- Machine .100 + 10 - 5 off face of… | ||
| Scan063 | Clarifying that no modifications have been made to the Phantom II cylinder head. | ||
| View original record | To E. From Hs. 87050 Hs.3/MJ.18.7.31. PHANTOM 11 CYL. HEAD. When I was at W.W. the other day you mentioned that you thought the Phantom 11 cylinder head had been modified, making the sides of the… | ||
| Scan064 | From 'E' clarifying that a proposal to use a cylinder head without lips only applied to lower compression. | ||
| View original record | X7050. Hs. from E. E2/M20.7.31. P.2. CYLINDER HEAD X.7050 Thank you for your memo Hs3/MJ18.7.31. I have hunted out the report I had in mind - e.g. Hs5/MJ17.7.29 - and I see now the proposal to use a… | ||
| Scan065 | Instructions and blueprint list for a 40/50 HP Chassis cylinder, valves, and fittings experiment. | ||
| View original record | To RHC. c. Hs/Rm. Y7050. BY/CS3/EH.18.8.31. Re 40/50 HP Chassis - Cylinder - Section 5050. Valves & Fittings - Sec: 5060. 5.250 to 1 Compression Ratio. Please receive herewith blueprints of the… | ||
| Scan066 | Request to modify a Phantom II cylinder head for small 30° valves and high lift rockers. | ||
| View original record | 87050. To RHC. From Hs/Gry. Hs/Gry.13/MJ.21.8.31. PHANTOM 11 CYLINDER HEAD. We wish to run the cylinder head on which you have fitted the small 30° valves in conjunction with high lift rockers. Will… | ||
| Scan067 | Blueprints for E.82168 and E.82455 compression ratio heads and the difficulties of achieving higher compression ratios. | ||
| View original record | 87050. To E. From Hs/Rm. Hs/Rm.4/MJ.22.9.31. PII Herewith blue prints of E.82168 and E.82455, the 5/1 and 5¼/1 compression ratio heads respectively as produced by the D.O. We think that you will agree… | ||
| Scan068 | Policy document detailing the use of high compression heads on right-hand and left-hand drive Phantom II chassis. | ||
| View original record | E. Dept. Sft. M.S. T.P. C. Hc. RE USE OF HIGH COMPRESSION HEADS ON PHANTOM 11 CHASSIS. ----------------------------------------------------- RIGHT-HAND. The decision at the Conference in regard to the… | ||
| Scan069 | Standardisation of a 5:1 compression ratio cylinder head for increased car performance. | ||
| View original record | RR 785 (10H) [8459, 24-10-30] 6/3185. X7050. COMPLETED 15.10.31. STANDARDISATION of CHASSIS PARTS. Date 26.9.31 X No. 7050 Drawing No. E.82168 Part List Description of Parts. 5 : 1 COMPRESSION RATIO… | ||
| Scan070 | Standardization of chassis parts document detailing costs and implementation. | ||
| View original record | STANDARDISATION of CHASSIS PARTS The number of the first chassis on which the new part will be fitted... Cont. type chassis only. Date when chassis will be handed to test.... ---- Cost of scrapped… | ||
| Scan071 | Suggestion, costs, and benefits of using Austenitic nitro-hardened steel for car cylinder liners. | ||
| View original record | Handwritten: X 7050 BY. FROM R. RS/M28.9.31. Handwritten: X.7050, X.5050 c. to SG. WOR. RG. c. to HS. E. re. CAR CYLINDER LINERS. We are pleased to see BY's suggestion of the possibility of another… | ||
| Scan072 | Work request memo for modifications to a Phantom II cylinder head. | ||
| View original record | γ7050. To RHC. From Hs/Rm. Hs/Rm.7/MJ.13.11.31. Will you please carry out the following work on (5.25:1 compression ratio) P.11 cylinder head. Valve guides removed and machined to V.1126/7. Retaining… | ||
| Scan073 | Test results on a higher compression 40/50 cylinder head, comparing twin choke and single expanding carburetters. | ||
| View original record | X7050 X7080 T. From Hs/Rm. c. to SG. Sor. c. to S. Da. c. to Sy. HIGHER COMPRESSION HEAD 40/50. We have carried out tests on a Cyl head piece No. E 82455, a drawing of which we attach. The two curves… | ||
| Scan074 | Performance graph comparing two different engine compression ratios. | ||
| View original record | COMPARISON OF COMPRESSION RATIOS 114° CAMSHAFT E.82448. OPEN EXHAUST MANIFOLD ONLY STD. VALVES 1.9 VALVE THROAT STD. ROCKERS SINGLE S.U. CARB. PIPE EX 7188 SKETCH 5 Left Diagram: EX, IN, .020 CLCE,… | ||
| Scan075 | Blank page marked with a date stamp from the Derby location. | ||
| View original record | D 9 DEC 31 DERBY. | ||
| Scan076 | Graph comparing engine performance (BHP, BMEP, Induction Depression) against RPM for two different compression ratios. | ||
| View original record | COMPARISON OF COMPRESSION RATIOS RM P4G 114° CAMSHAFT E 82448 OPEN EXHAUST MANIFOLD ONLY STD VALVES 1.9 INLET THROAT. STD. ROCKERS RR TWIN CHOKE CARB. 1.4" DIA CHOKE COMPRESSION RATIO 5.22-1… | ||
| Scan077 | Heavily faded document, possibly a cover sheet, marked with a purple date stamp. | ||
| View original record | ROLLS-ROYCE LIMITED PPY 9 DEC 31 R: | ||
| Scan078 | Drawing showing three sectional views of a crankcase or cylinder block. | ||
| View original record | Cfo files E S2455 SECTION AA SECTION BB FOR ALL OTHER DIMENSIONS REFER TO E19854 DESIGN DEPTT ORIGINAL PROPERTY 3.985 IR 3.985 0.375 R 1.250 R 0.811 4.400 4.800 1.125 R 2.000 R 1.000 R 1.500 R 0.562… | ||
| Scan079 | Modifications to cast iron cylinder head E.56604 to increase the compression ratio. | ||
| View original record | R.H.C. From Hs/Rn. Hs/Rn. 2/MA. 9.12.31. CAST IRON HEAD E.56604 We understand that we have one of these heads finished machined and that by machining off the face of the cyl head until it is .062… | ||
| Scan080 | Confirming a request to test the fitment of exhaust valves into a Phantom II cylinder head. | ||
| View original record | Y7050. To RHC. From Hs/Rm. Hs/Rm.3/MJ.20.6.32. PHANTOM 11 CYLINDER HEAD. This is to confirm asking you to see if it is possible to fit exhaust valves E.100087, throat dia. 1.125, in place of the inlet… | ||
| Scan081 | Testing of a 5 1/2 to 1 compression ratio cylinder head on the 19-EX Phantom II. | ||
| View original record | x7050 To E. from Hs/Rm. Hs/Rm.4/ADL6.8.32. PHANTOM II CYLINDER HEADS 19-EX has returned from France after running 10,000 miles on straight petrol and cannot be said to detonate excessively. In view of… | ||
| Scan082 | Standardisation of a 5-1 cylinder head for a standard chassis. | ||
| View original record | RR 755 (10M) (10120, 13-10-31) BM. 5/7586. X7050. COMPLETED 30.8.32. STANDARDISATION of CHASSIS PARTS. Description of Parts. 5 - 1 CYLINDER HEAD. STANDARD CHASSIS. Origin. To improve performance.… | ||
| Scan083 | Standardisation of chassis parts form detailing costs and the first chassis to be fitted. | ||
| View original record | STANDARDISATION OF CHASSIS PARTS. The number of the first chassis on which the new part will be fitted......... 'O' series Date when chassis will be handed to test ................... Cost of scrapped… | ||
| Scan084 | Standardisation of a 5.25 C/R cylinder head to improve the continental chassis. | ||
| View original record | RR 755 (10M) (19120, 15-10-31) BM. 3/7588. STANDARDISATION of CHASSIS PARTS. COMPLETED 30.8.32. Date 9.6.32. X No.7050. Description of Parts. CYLINDER HEAD 5.25 C/R. Origin. To improve continental… | ||
| Scan085 | Introduction of a new standardized chassis part. | ||
| View original record | STANDARDISATION OF CHASSIS PARTS The number of the first chassis on which the new part will be fitted........ 'O' Series. Date when chassis will be handed to test. 15 th Oct. 1934 Cost of scrapped… | ||
| Scan086 | Incorrect combustion chamber capacity on a Phantom II cylinder head, investigating the cause and requesting an urgent alteration. | ||
| View original record | X/010 To RHC. from Hs/Std. Hs/Std.13/KT.24.5.33. P.II. CYLINDER HEAD - E.83906. The combustion chambers of this head are of incorrect capacity due to two reasons. (1) Drawing office error. (2)… | ||
| Scan087 | Instruction to re-fit a Phantom II Cylinder Head with original valve springs and guides before re-assembly. | ||
| View original record | X70550. To RHC. From Hs/Std. Hs/Std.5/KT.9.8.33. Please have P.II Cyl. Head E.83906 at present in shop being fitted with lightened inlet valves, re-fitted with E.81550 valve springs, E.82456 inlet… | ||
| Scan088 | Returning a damaged Phantom II No. 27 unit due to a sheared exhaust valve and subsequent damage. | ||
| View original record | X7086. To RHC. from Hs/Swdl. Hs/Swdl.3/KT. 29.8.33. We are returning P.II. No. 27 unit for your attention. No.6 exhaust valve head sheared off, knocking a hole in the piston crown, also damaging the… | ||
| Scan089 | Instructions for modifications to a Phantom head to create a high compression, large valve version. | ||
| View original record | To RHC. from Hs/Swdl. Hs/Swdl.2/KT.29.8.33. HIGH COMPRESSION LARGE VALVE HEAD. Please have a Phantom head made with modifications shown on attached drawing Hs.1012. (1) Ceiling of combustion chamber… | ||
| Scan090 | Instructions to correct the compression ratio of a Phantom II high compression cylinder head by machining the joint face. | ||
| View original record | x7050 To RHC, from Hs/Std, Hs/Std.9/KT.15.11.33. P.II. HIGH COMPRESSION CYLINDER HEAD ( 6 : 1 ). We send you herewith the P.II. high compression ratio (6 : 1) head to Hs.1012, which we received from… | ||
| Scan091 | Providing details of the Phantom II cylinder centres. | ||
| View original record | x719 To Hs/Wd. Hs/Rm.19/KW.1.6.35. Herewith details of the Phantom II cylinder centres, as requested. Hs/Rm. | ||