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).
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DescriptionDateIdentifier
Preview from 'The Motor' magazine of the 1939 Le Mans 24 Hours sports car race, including a track map and list of entrants.13th Jun 1939Box 128 \ 3  scan0054
Letter to Park Ward & Co. Ltd. regarding a new design for a spare wheel cover.17th Aug 1939Box 128 \ 3  scan0055
Cover memo regarding figures for the sales of cars in Great Britain, including 1938.22th Aug 1939Box 128 \ 3  scan0056
Table of new private car registrations in Great Britain by horse power class from 1929 to 1938.10th Jul 1939Box 128 \ 3  scan0057
Graph comparing car acceleration from 20 to 40 M.P.H. against fuel consumption in litres per ton per mile for various models.10th Jul 1939Box 128 \ 3  scan0058
Inquiry to Sunbeam Motors Ltd. regarding radiator coolant loss in Talbot 10 and Minx cars.11th Dec 1939Box 128 \ 3  scan0060
Performance and specification comparison between Vauxhall 14 and Rover 16 models.1st Dec 1939Box 128 \ 3  scan0061
Comparison of performance and specification data for Vauxhall I4 and Rover I6 models.10th Feb 1939Box 128 \ 3  scan0062
Note about a letter from Morris Motors regarding fin and tube radiators.30th Jan 1940Box 128 \ 3  scan0063
Summary of design trends in 1940 cars, extracted from a S.A.E. journal.9th Feb 1940Box 128 \ 3  scan0064
List of modifications and specifications for competitor vehicles, including Cadillac, Buick, and Hudson.9th Feb 1940Box 128 \ 3  scan0065
Summary of technical specifications for American cars, covering tyres, brakes, suspension, and frames.1st Feb 1940Box 128 \ 3  scan0066
List of observations on competitor automobile design trends, including features on aerials, jacks, body dimensions, and convertible tops.3rd Feb 1940Box 128 \ 3  scan0067
Letter from the Experimental Department responding to a query about valve seat recessing on a Rapier car.1st Mar 1940Box 128 \ 3  scan0068
Letter to Smith, Esq. discussing the effects of adjusting valve timing on engine performance.1st Mar 1940Box 128 \ 3  scan0069
Specifications of the Minx Gearbox.8th Mar 1940Box 128 \ 3  scan0070
With a data table for tooth depth and chordal thickness, recommending a new process for forming oil grooves on splines.8th Mar 1940Box 128 \ 3  scan0071
Thank you letter regarding the performance impact of engine alterations.19th Mar 1940Box 128 \ 3  scan0072
Test report and review of competing 10-HP cars, specifically the Vauxhall and Austin saloons.3rd Apr 1940Box 128 \ 3  scan0073
Technical assessment and comparison of an Austin Saloon and a Hillman Minx Saloon.3rd Apr 1940Box 128 \ 3  scan0074
Performance and handling comparison report for a Wolseley Saloon and a Morris Saloon.3rd Apr 1940Box 128 \ 3  scan0075
Competitor vehicle assessment report for Morris and Sunbeam-Talbot models.3rd Apr 1940Box 128 \ 3  scan0076
Performance and quality assessment of three 1939 saloon cars.3rd Apr 1940Box 128 \ 3  scan0077
Report continuing the review of a 1939 Standard 12 Saloon and summarizing competitor 10-HP car performance.3rd Apr 1940Box 128 \ 3  scan0078
Comparing Wolseley, Standard, and Hillman cars and discussing the potential purchase of a second-hand vehicle.5th Apr 1940Box 128 \ 3  scan0079
Options for sourcing a second-hand Standard 10 HP car.5th Apr 1940Box 128 \ 3  scan0080
Request to borrow a Lagonda car for comparative testing at the Works.9th Apr 1940Box 128 \ 3  scan0081
Arranging the viewing of a second-hand 1940 Super 10 Standard Saloon.9th Apr 1940Box 128 \ 3  scan0082
Letter from High Duty Alloys Ltd. regarding the loan of a Lagonda.12th Apr 1940Box 128 \ 3  scan0083
Letter from British & Colonial Motors regarding a customer's test drive and subsequent engine tuning.13th Apr 1940Box 128 \ 3  scan0084
Letter to W.C. Devereux of High Duty Alloys Ltd. regarding the use of a car for no more than a week.15th Apr 1940Box 128 \ 3  scan0085
Letter regarding the urgent purchase of a 1939 Super Standard 10-HP car.15th Apr 1940Box 128 \ 3  scan0086
Letter to British & Colonial Motors regarding poor suspension feedback on a 10-HP Standard Car after a trial run.15th Apr 1940Box 128 \ 3  scan0087
Letter to the Society of Motor Manufacturers & Traders requesting sales figures for popular 10-HP cars.22th Apr 1940Box 128 \ 3  scan0088
Comparing the interior body dimensions of a Lagonda car with the Cresta and Bentley V models.26th Apr 1940Box 128 \ 3  scan0089
Comparative table of vehicle dimensions for Lagonda, B.V., and Cresta models.26th Apr 1940Box 128 \ 3  scan0090
Performance test results for a Lagonda 12 Cylinder car comparing acceleration times using Ethyl and Pool fuel.30th Apr 1940Box 128 \ 3  scan0091
And comparing the acceleration performance figures of a Lagonda against another vehicle, likely a Bentley.3rd May 1940Box 128 \ 3  scan0092
From Sg. to Ev. requesting information on tests concerning 'The Lagonda' in the absence of Rm.6th May 1940Box 128 \ 3  scan0093
Secret internal memo concerning Lagonda, attaching a note and a drafted reply.7th May 1940Box 128 \ 3  scan0094
Secret internal memorandum comparing performance tests against a Lagonda vehicle.7th May 1940Box 128 \ 3  scan0095
Comparison of acceleration figures between a Lagonda and model 11.B.V. (Comet) from a 1939 Autocar test.30th Jun 1939Box 128 \ 3  scan0096
Comparison of alleged and actual performance curves for a Lagonda vehicle.20th May 1940Box 128 \ 3  scan0097
Comparative table of interior dimensions and other data for different 10 HP car bodies.5th Apr 1940Box 128 \ 3  scan0098
Performance and petrol consumption test results for a Bentley Car 11 B.V. Unit B.80. No.3, comparing Stromberg and S.U. carburettors.5th Apr 1940Box 128 \ 3  scan0099
Comparison of fuel consumption figures for Stromberg versus 3 S.U. carburettors, with details of the test vehicle's configuration.17th May 1940Box 128 \ 3  scan0100
Performance curves for a 12 Cylinder Lagonda.17th May 1940Box 128 \ 3  scan0101
Forwarding a report on the poor performance of a Lagonda power plant due to low M.E.P.1st Jul 1940Box 128 \ 3  scan0102
Performance comparison memorandum between a 12-cylinder Lagonda and a Bentley.30th Jun 1940Box 128 \ 3  scan0103
Performance comparison of various cars, including Lagonda, Bentley, and Wraith, based on 'Cubic Ft./Ton Mile' figures.30th Jun 1940Box 128 \ 3  scan0104
Graph comparing the Brake Mean Effective Pressure (B.M.E.P.) of a 12-cylinder Lagonda engine and a Bentley B80 engine.30th Jun 1949Box 128 \ 3  scan0105
Performance graph for a Lagonda V12 engine, plotting B.HP and B.M.E.P. against R.P.M.30th Jun 1940Box 128 \ 3  scan0106
Letter on Grosvenor Hotel letterhead discussing a BMW's performance, specifically its ignition, weight, and fuel consumption.28th Jun 1941Box 128 \ 3  scan0107
Letter on Grosvenor Hotel letterhead discussing bonnet and battery specifications.17th Sep 1925Box 128 \ 3  scan0108
Telegram from Minchin to Robotham arranging a visit to the Derby factory.10th Jun 1941Box 128 \ 3  scan0109
Weight measurements of Mr. Minchin's B.M.W.30th Jun 1941Box 128 \ 3  scan0110
Weight measurement report for a Mr. Minchin's B.M.W.30th Jun 1941Box 128 \ 3  scan0111
Letter on Pritchett & Gold letterhead regarding the weight and performance of a B.R.W. car, its brakes, and a new lighter battery.1st Jul 1941Box 128 \ 3  scan0112
Invitation to test drive a newly acquired 1940 Lancia Aprilia and compare it to other vehicles.22th May 1942Box 128 \ 3  scan0113
Declining an offer to test drive an Aprilia car due to a full schedule.28th May 1942Box 128 \ 3  scan0114
Interim report on the performance and failures of various small cars, with a detailed log for a Studebaker.23th Aug 1943Box 128 \ 3  scan0115
List of vehicle repairs and maintenance notes with corresponding mileage readings.23th Aug 1943Box 128 \ 3  scan0116
Maintenance and issues with an Austin 10 HP and a Lancia Aprilia.23th Aug 1943Box 128 \ 3  scan0117
Log of failures and repairs for a Lancia Aprilia and an Austin 8 HP, with corresponding mileage readings.23th Aug 1943Box 128 \ 3  scan0118
Continued log of vehicle failures and maintenance for an Austin 8 HP, with corresponding speedometer readings, and a note on a Vauxhall 10 HP.23th Aug 1943Box 128 \ 3  scan0119
Log of vehicle repairs and component failures with corresponding speedometer readings.23th Aug 1943Box 128 \ 3  scan0120
Log of vehicle faults, repairs, and component replacements recorded by mileage.23th Aug 1943Box 128 \ 3  scan0121
Comparison of petrol and oil consumption figures for various competitor car models.22th Oct 1943Box 128 \ 3  scan0122
Explaining an attached chart of car engine R.P.M. figures at 60 Miles per Hour.22th Oct 1943Box 128 \ 3  scan0123
Comparison table of various cars, listing axle ratios, tyre sizes, and performance data at 60MPH.22th Oct 1943Box 128 \ 3  scan0124
Letter of gratitude for repairs to a 100,000-mile car.29th Oct 1943Box 128 \ 3  scan0125
Article from 'The Motor' magazine detailing Mercedes-Benz and Hanomag-Diesel speed record attempts on a German autobahn.14th Feb 1939Box 128 \ 3  scan0126
Page from 'The Motor' magazine reporting on the Oxford University Trial and the Coventry Cup trial.14th Feb 1939Box 128 \ 3  scan0127
Test report on a Hillman 14 HP car with registration JPA.762.31th Jan 1944Box 128 \ 3  scan0128
Vehicle assessment report detailing issues with suspension, body, and providing technical specifications.31th Jan 1944Box 128 \ 3  scan0129
Specification sheet detailing gearbox, dimensions, wheels, and capacities of a vehicle.31th Jan 1944Box 128 \ 3  scan0130
The weight of a car when fully fuelled, including front, rear, and total measurements.7th Feb 1944Box 128 \ 3  scan0131
Internal memorandum inquiring about the performance and failures of the Minx gearbox used in the 14 HP Hillman chassis.7th Feb 1944Box 128 \ 3  scan0132
Vehicle assessment report on the Hillman Minx 10 HP 1942 model.17th Feb 1944Box 128 \ 3  scan0133
Vehicle road test report detailing suspension, miscellaneous issues, and performance figures, with a comparison to a Vauxhall 10 HP.17th Feb 1944Box 128 \ 3  scan0134
Specification sheet detailing petrol consumption, engine, gearbox, and dimensions for a vehicle.17th Feb 1944Box 128 \ 3  scan0135
Specification sheet detailing wheel size, fluid capacities, and vehicle weight.22th Feb 1944Box 128 \ 3  scan0136
Failures of the Minx gear box fitted in a 14 HP Hillman Chassis.22th Feb 1944Box 128 \ 3  scan0137
Removal and examination of a Minx gearbox from a 14 HP Hillman chassis for potential use in the Silver Ripple.25th Feb 1944Box 128 \ 3  scan0138
Use of an American-made silent chain front end drive for the Wraith, with a comparison to a Cadillac's drive.26th Nov 1934Box 128 \ 3  scan0139
Blueprints and the request for detail drawings for the Wraith Engine wheelcase chain drives.19th Dec 1934Box 128 \ 3  scan0140
Letter from Morse Chain Co. providing engineering data for chain and sprockets.3rd Apr 1934Box 128 \ 3  scan0141
Letter from Morse Chain Company requesting a tentative sketch for an Automatic Adjustment Sprocket design.4th Mar 1934Box 128 \ 3  scan0142
Technical blueprint of a Morse Automatic Adjustment Sprocket.11th Jun 1931Box 128 \ 3  scan0143
Blueprint detailing the dimensions for Guide Groove No. 6 for a duplex chain.24th Sep 1931Box 128 \ 3  scan0144
Blueprint for a crankshaft sprocket for the Cadillac Motor Car Co.9th Oct 1929Box 128 \ 3  scan0145
Automotive engineering data for Morse genuine silent chains and sprockets.9th Oct 1929Box 128 \ 3  scan0146
Sprocket and chain dimension data for center guide and side guide type timing chains.13th Apr 1934Box 128 \ 3  scan0147
Letter to the Morse Chain Co. discussing chain pitch preferences following a visit to the Graham-Paige plant.13th Apr 1934Box 128 \ 3  scan0148
Letter to The Morse Chain Co. questioning statistics on the popularity of gear drives over chain drives.21th Apr 1934Box 128 \ 3  scan0149
Letter to F.C. Thomas of The Morse Chain Co. thanking him for the courtesy extended to Mr. Robotham.7th May 1934Box 128 \ 3  scan0150
Letter from Morse Chain Co. discussing the relative merits of 1/2 inch and 3/8 inch pitch chains.4th May 1934Box 128 \ 3  scan0151
Letter from Morse Chain Company discussing chain drive systems in various American car engines.5th Mar 1934Box 128 \ 3  scan0152
Letter from Morse Chain Co. regarding the accuracy of specifications in 'Automotive Industries' and the use of chains versus gears by US car manufacturers.3rd May 1934Box 128 \ 3  scan0153
Letter to The Morse Chain Co. Ltd. regarding violent flapping and noise issues with a camshaft chain drive on an experimental unit.27th Oct 1936Box 128 \ 3  scan0154


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