Rolls-Royce Archives
From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
Rolls-Royce Experimental Archives                
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Performance and testing of post-war rationalised chassis designs.24th Nov 1942Box 133 \ 4  scan0298
Difficulty in locating drawings after they were contributed to a wartime salvage effort, but confirming the job is proceeding.2nd Nov 1943Box 133 \ 4  scan0299
Status of chassis and coachwork projects, and listing required specifications for various models and components.3rd Jan 1944Box 133 \ 4  scan0300
List of required designs for the Silver Ripple model, split into two stages.22th Dec 1943Box 133 \ 4  scan0301
Advertisement for Metalastik Crankshaft Dynamic Balancers fitted by Austin, Daimler & M.G.30th Sep 1938Box 133 \ 4  scan0302
Reprint from 'ENGINEERING' magazine about the bonding of rubber and metal by Metalastik, Limited.30th Sep 1938Box 133 \ 4  scan0303
Page discussing various applications of bonded rubber for vibration damping and illustrating a shearing test.1st Jan 1937Box 133 \ 4  scan0304
Preliminary leaflet from Metalastik Ltd. regarding engine mountings.1st Jan 1937Box 133 \ 4  scan0305
Promotional document for METALASTIK Ltd. describing their rubber-bonded-to-metal anti-vibration mountings.1st Jan 1937Box 133 \ 4  scan0306
Promotional document detailing various 'Metalastik' vibration-damping components for motor vehicles.1st Jan 1937Box 133 \ 4  scan0307
Product information page for METALASTIK rubber mountings, suspensions, and couplings.1st Jan 1937Box 133 \ 4  scan0308
Reprint from 'Machinery' journal describing the Metalastik process.29th Sep 1938Box 133 \ 4  scan0309
Journal reprint discussing the Metalastik process of bonding metal and rubber for vibration-absorbing applications.29th Sep 1938Box 133 \ 4  scan0310
Letter from Metalastik Ltd following up on a visit to their stand at the Motor Show and sending pamphlets.19th Nov 1938Box 133 \ 4  scan0311
Letter from Metalastik following up on engine mountings provided for testing.21th Nov 1938Box 133 \ 4  scan0312
Letter to Metalastik Ltd. requesting dimensions and rubber hardness for a body mounting.22th Dec 1938Box 133 \ 4  scan0313
Letter from Metalastik Ltd regarding rubber body mountings and arranging a meeting to show samples.24th Nov 1938Box 133 \ 4  scan0314
Letter to Metalastik Ltd. regarding experiments with engine mounts, rubber air dashpots, and rubber rings.25th Nov 1938Box 133 \ 4  scan0315
Letter to Metalastik Ltd. arranging a meeting to discuss body mountings.26th Nov 1938Box 133 \ 4  scan0316
Letter from Metalastik postponing a meeting regarding body mountings due to their General Manager's attendance at the Paris Aero Show.28th Nov 1938Box 133 \ 4  scan0317
Letter to Metalastik Ltd. postponing a visit.2nd Dec 1938Box 133 \ 4  scan0318
Letter from Metalastik Ltd. arranging a meeting to discuss crankshaft vibration dampers and dynamic balancers.2nd Dec 1938Box 133 \ 4  scan0319
Letter from Metalastik Ltd regarding a proposed visit to the works on Thursday 8th instant.3rd Dec 1938Box 133 \ 4  scan0320
Typed message to Metalastik in Leicester regarding a meeting with Goldschmidt.7th Dec 1938Box 133 \ 4  scan0321
Letter from the Experimental Department to Metalastik Ltd. arranging a meeting with Mr. Goldschmidt.7th Dec 1938Box 133 \ 4  scan0322
Letter from Metalastik Ltd concerning Body Mountings, enclosing drawings as alternatives to flat and L-type designs.14th Dec 1938Box 133 \ 4  scan0323
Letter to Metalastik Ltd. requesting the experimental production of parts with a specified rubber hardness.16th Dec 1938Box 133 \ 4  scan0324
Letter from Metalastik Ltd. confirming instructions to prepare Metalastik Body Mountings.19th Dec 1938Box 133 \ 4  scan0325
Request to order experimental body mountings from Metalastik Ltd. for Bentley V and Bentley 50 cars.22th Dec 1938Box 133 \ 4  scan0326
Tests on different body mountings to improve vehicle quietness and steering stability.4th May 1939Box 133 \ 4  scan0327
The testing and comparison of 'Metalastik' and 'Rubber insertion' body mountings.4th May 1939Box 133 \ 4  scan0328
Technical note comparing car body quietness, rumbling, and buffeting effects on models 1.B.50 and 2.B.50.4th May 1939Box 133 \ 4  scan0329
Suggesting the use of metal-spraying on exhaust pipes to prevent corrosion and increase their lifespan, proposing a trial on a Bentley.18th May 1939Box 133 \ 4  scan0330
Responding to a query about the 'Aluminising' process used on standard Bentley cars.24th May 1939Box 133 \ 4  scan0331
Letter to Metalastik Ltd. declining further tests on their body mountings as no improvement was found.8th Jun 1939Box 133 \ 4  scan0332
Recommendation for high front engine mounts based on experiments with low and raised mounting systems.27th Jun 1939Box 133 \ 4  scan0333
Request to have two sets of engine mounting parts made by Messrs. White Ltd. to fit cast iron engine units onto a B.V. chassis.7th Nov 1939Box 133 \ 4  scan0334
Fan noise and improvements to the 8-cylinder engine mounting.15th Dec 1939Box 133 \ 4  scan0335
Order for 12 rear engine mounting rubbers with specific hardness ratings.19th Mar 1940Box 133 \ 4  scan0336
On experiments with front engine mounting on the B.50 Chassis to improve performance at slow speeds.1st Apr 1940Box 133 \ 4  scan0337
Photograph showing the front of an engine with a cooling fan, belt, and pulley system.13th Apr 1940Box 133 \ 4  scan0338
Instructions for a modified front engine mounting on the Ripplet chassis.13th Apr 1940Box 133 \ 4  scan0339
Re-design of the Left Hand B.80 Front Engine Mounting.14th May 1940Box 133 \ 4  scan0340
Continuation memo regarding a fan belt, enclosing prints of PL.222 and copies of a memo.28th Dec 1940Box 133 \ 4  scan0341
Excessive B.60 engine movement and a request to increase engine control.28th Dec 1940Box 133 \ 4  scan0342
Report on vehicle tests and suggesting their replication to confirm results on production cars.2nd Mar 1929Box 133 \ 4  scan0343
Dynamometer test report for chassis number 17-G-IV.3rd Jun 1929Box 133 \ 4  scan0344
Engine valve timing, ignition timing, power curve data, compression ratio, and clearance volume.11th Jul 1929Box 133 \ 4  scan0345
Procedure for dynamometer testing, suggesting a lower torque run in first gear to prevent damage.10th Jun 1932Box 133 \ 4  scan0346
The procedure for a Phantom II dynamometer test and a proposal for a change based on recent experience.5th Jul 1932Box 133 \ 4  scan0347
Modification to the Phantom II dynamometer test for the full torque on first gear.7th Jul 1932Box 133 \ 4  scan0348
Dynamometer test report for the 'Peregrine' model.27th Jul 1932Box 133 \ 4  scan0349
Letter concerning the shaft material, design, and alignment issues for a 40 HP Dynamometer.13th Oct 1936Box 133 \ 4  scan0350
Continuation of a letter from Laurence, Scott & Electromotors, Ltd. discussing a shaft issue.13th Oct 1936Box 133 \ 4  scan0351
Requesting the fitting of newly produced 10/43 back axle gears to the Bentley Dynamometer Chassis 5.B.1V.28th Mar 1938Box 133 \ 4  scan0352
Quotation from Hopkinsons Limited for an 8-inch dial pressure gauge.17th Jan 1939Box 133 \ 4  scan0353
Letter of inquiry to Hopkinsons Ltd. regarding the supply and price of two specific pressure gauges.19th Jan 1939Box 133 \ 4  scan0354
Letter from Hopkinsons Limited regarding a quotation for 8' pressure gauges and an inability to supply a specific calibration.31th Jan 1939Box 133 \ 4  scan0355
Confirming a request for drawings for a Bentley Dynamometer Chassis.7th Feb 1939Box 133 \ 4  scan0356
Parts and drawings required for a hydraulic measuring unit for all chassis.17th Feb 1939Box 133 \ 4  scan0357
Parts and drawings for a torque measuring apparatus modification on the rear axle.17th Feb 1939Box 133 \ 4  scan0358
The order of a pressure gauge for a Bentley 11 torque measuring apparatus.14th Mar 1939Box 133 \ 4  scan0359
The peculiar behaviour of a B.60 unit on a dynamometer and standardising future horsepower curve reporting.24th Mar 1939Box 133 \ 4  scan0360
Request for a pair of dynamometer axle gears for testing under 8 cylinder torque, based on new blueprints.11th Aug 1939Box 133 \ 4  scan0361
Letter from a chartered patent agent acknowledging receipt of correspondence.21th Jul 1937Box 134 \ 1  scan0001
Letter to Dr. J.C. Morrison regarding information on valve gear and arranging a meeting.24th Jul 1937Box 134 \ 1  scan0002
Work plan for testing and modifying a Chassis S/C Unit, detailing timings, tasks, and spare parts status.29th Jul 1937Box 134 \ 1  scan0003
Letter to Dr. J. Morrison confirming a convenient date for a visit and enclosing a railway voucher.2nd Aug 1937Box 134 \ 1  scan0004
Letter to Mr. J.C. Morrison of Glasgow University regarding Bentley chassis layout prints and a humorous take on Birmingham's traffic scheme.9th Jul 1937Box 134 \ 1  scan0005
Visit to H.R. Ricardo & Co. Ltd. to discuss the correlation of single-cylinder engine results with main engines.12th Jul 1937Box 134 \ 1  scan0006
Engine testing methods, focusing on single-cylinder induction systems and valve timing issues.12th Jul 1937Box 134 \ 1  scan0007
Engine induction, valve timing, and exhaust back pressure effects on power output.12th Jul 1937Box 134 \ 1  scan0008
Engine valve timing, noise reduction, and the introduction of Venturi valve seats with a diagram.14th Jul 1937Box 134 \ 1  scan0009
Air flow tests examining the effects of masking and fairing on valve seats.1st Jul 1937Box 134 \ 1  scan0010
Page discussing tests on different valve forms and their effect on air and exhaust flow, with an accompanying diagram.12th Jul 1937Box 134 \ 1  scan0011
Work schedule for the Chassis S/C Unit, detailing tests, time allocation, and required spares.10th Aug 1937Box 134 \ 1  scan0012
Letter to Dr. J.C. Morrison providing engine specifications for standard Bentley and O.H.C. Bentley models.16th Aug 1937Box 134 \ 1  scan0013
Page two of a letter enclosing a Bentley Production arrangement drawing for an exhaust system.17th Aug 1937Box 134 \ 1  scan0014
Confirming the repair and associated charge for an Amal flowmeter Mark IX.17th Aug 1937Box 134 \ 1  scan0015
Work order detailing running times, tests to be done, and required spares for a Chassis S/C Unit.18th Aug 1937Box 134 \ 1  scan0016
Letter to Dr. J.C. Morrison acknowledging receipt of his report and recommendations for the Bentley Exhaust System.31th Aug 1937Box 134 \ 1  scan0017
Letter to Coventry Climax Engines Ltd. requesting a meeting to discuss the development of a six-in-line engine.2nd Sep 1937Box 134 \ 1  scan0018
Letter to Dr. J.C. Morrison of Glasgow University discussing engine valve lift curves and silencers.2nd Sep 1937Box 134 \ 1  scan0019
Letter to the Ethyl Export Corporation requesting more details on their research into supercharging for small displacement engines.3rd Sep 1937Box 134 \ 1  scan0020
Brief acknowledgement letter addressed to Mr. F.R. Banks at the Ethyl Export Corporation.7th Sep 1937Box 134 \ 1  scan0021
Letter to Coventry Climax Engineers Ltd. regarding the arrangement of a meeting.7th Sep 1937Box 134 \ 1  scan0022
Letter to Dr. J.C. Morrison of Glasgow University explaining a delay in providing test results.15th Sep 1937Box 134 \ 1  scan0023
Loose valve seat in a high power head, proposing a Venturi type replacement and requesting a new seat be fitted.22th Sep 1937Box 134 \ 1  scan0024
Loose inserted valve seat on a No.3 High Power Head and a request to fit a new seat.22th Sep 1937Box 134 \ 1  scan0025
Letter to Dr. J.C. Morrison discussing the results of tests on a new silencing system and proposing two schemes for interference pipes.5th Oct 1937Box 134 \ 1  scan0026
Letter discussing an interference chamber design and the logistics of obtaining a Phantom car for testing.5th Oct 1937Box 134 \ 1  scan0027
Scheme SCT.67 for modifying a standard Bentley head to use raised crown pistons.5th Oct 1937Box 134 \ 1  scan0028
Letter to Coventry Climax Engine Ltd. arranging a meeting to discuss an engine.5th Oct 1937Box 134 \ 1  scan0029
Letter discussing the initial test results of an exhaust system, focusing on its power improvement versus noise levels.5th Oct 1937Box 134 \ 1  scan0030
Letter from John C. Morrison of the University of Glasgow arranging a meeting in Derby.8th Oct 1937Box 134 \ 1  scan0031
Letter to Dr. J.C. Morrison of Glasgow University regarding the quality of previously sent information and arranging a meeting.8th Oct 1937Box 134 \ 1  scan0032
Letter to Coventry Climax Engines Ltd. regarding a meeting arrangement.8th Oct 1937Box 134 \ 1  scan0033
Program outlining the urgent jobs and modifications for a chassis single cylinder unit.11th Oct 1937Box 134 \ 1  scan0034
Outlining proposed modifications to Bentley heads, further mechanical improvements, and the status of spare parts.11th Oct 1937Box 134 \ 1  scan0035
Request to make two compression plates for a Bentley engine to vary the compression ratio.18th Oct 1937Box 134 \ 1  scan0036


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