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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DescriptionDateIdentifier
Whether to sell or dismantle several test cars, including a Phantom chassis.24th Jul 1929Box 20 \ 11  Scan357
Typed copy of a letter regarding experimental car bodies and relations with coachbuilders.3rd Aug 1929Box 20 \ 11  Scan358
Over-lubrication issues in the 20 HP engine and recommending a new standard piston ring.5th Sep 1929Box 20 \ 11  Scan359
The renewal and status of various motor car licences.17th Sep 1929Box 20 \ 11  Scan360
Requesting the renewal of a Chrysler's vehicle license until December.19th Sep 1929Box 20 \ 11  Scan361
Forwarding a report on Hooper bodies, noting unsatisfactory results with aluminium wings.19th Sep 1929Box 20 \ 11  Scan362
Letter discussing a complaint from coachbuilder Hoopers and proposing to send them performance reports on experimental bodies.3rd Aug 1929Box 20 \ 11  Scan363
Defects and design issues with experimental car bodies, focusing on cracked aluminium wings and general body design.19th Sep 1929Box 20 \ 11  Scan364
Faults and complaints with vehicle coachwork, focusing on rattling doors/windows and severe draughts.19th Sep 1929Box 20 \ 11  Scan365
Fault report detailing issues such as loose screws, rattles, and inadequate fittings, with a specific focus on a Cabriolet body mounted on chassis 19-EX.19th Sep 1929Box 20 \ 11  Scan366
Summary of common faults found in vehicle bodies, noting issues with wings, doors, windows, and fittings.30th Sep 1929Box 20 \ 11  Scan367
Requesting that coachbuilders be allowed to see their experimental bodies with notes on their performance.30th Sep 1929Box 20 \ 11  Scan368
Road traffic accident involving experimental car number 14 G 4.7th Oct 1929Box 20 \ 11  Scan369
Finish options for experimental chassis, comparing Staybrite, stainless steel, and chromium.15th Oct 1929Box 20 \ 11  Scan370
Status and allocation of cars in the Experimental Department.22th Oct 1929Box 20 \ 11  Scan371
Proposed new features for an Experimental Enclosed Limousine Phantom II for testing.7th Dec 1929Box 20 \ 11  Scan372
'C' Type Steering design changes and a proposal to sell an experimental Phantom II.7th Dec 1929Box 20 \ 11  Scan373
From F.H.R. to C.J. discussing a possible new engine design inspired by the Austrian Daimler.27th Jun 1910Box 21 \ 1  Scan001
Letter to Mr. Royce providing particulars of Cody's 120 HP six-cylinder Austro-Daimler Engine.14th Oct 1912Box 21 \ 1  Scan002
Short memo discussing an assessment of Cody's 120 HP six-cylinder Austro-Daimler Engine.21th Oct 1912Box 21 \ 1  Scan003
Proposal to purchase a 19/70 HP Austro-Daimler for evaluation, with a brief comparison to the Bentley.13th Oct 1925Box 21 \ 1  Scan004
Arranging a trial run for a 40 HP Fiat and a trial run for an Austro-Daimler on the same day.15th Oct 1925Box 21 \ 1  Scan005
Arranging trial runs on Fiat and Austro-Daimler cars.15th Oct 1925Box 21 \ 1  Scan006
From Hs to CJ regarding sending an assistant to test Fiat and Austro-Daimler cars.19th Oct 1925Box 21 \ 1  Scan007
Request for particulars on a tested Austro-Daimler car.22th Oct 1925Box 21 \ 1  Scan008
Car road test reports for a 40 HP Fiat and a 19-HP Austro-Daimler.23th Oct 1925Box 21 \ 1  Scan009
The road trial of a 40 HP Fiat.20th Oct 1925Box 21 \ 1  Scan010
Page 2 of an experimental report detailing issues with tappet knocks, lubrication, gearbox, and clutch.12th Jun 1925Box 21 \ 1  Scan011
The performance of a vehicle's brakes and steering systems.23th Oct 1925Box 21 \ 1  Scan012
The rear axle, suspension, and road performance of a car.23th Oct 1925Box 21 \ 1  Scan013
Vehicle acceleration, engine performance, and braking characteristics.23th Oct 1925Box 21 \ 1  Scan014
Braking issues, a gear growl, and a general impression of a vehicle's performance.12th Jun 1925Box 21 \ 1  Scan015
Experimental road trial report on an Austro-Daimler car.20th Oct 1925Box 21 \ 1  Scan016
The performance of the camshaft, gearbox, clutch, and steering systems.23th Oct 1925Box 21 \ 1  Scan017
The performance of various vehicle components like brakes, axle, suspension, and cooling.23th Oct 1925Box 21 \ 1  Scan018
Vehicle's on-road performance, including hill climbing, acceleration, and maximum speed.23th Oct 1925Box 21 \ 1  Scan019
Comparing a 20 HP car with an Austro-Daimler, including a performance graph and general impressions.12th Jun 1925Box 21 \ 1  Scan020
Overhead camshaft engine design and a comparison to a Chrysler.23th Oct 1925Box 21 \ 1  Scan021
Providing particulars for an Austro-Daimler vehicle.23th Oct 1925Box 21 \ 1  Scan022
Query regarding the performance and specifications of a tested Austro-Daimler 19/70 HP unit.26th Oct 1925Box 21 \ 1  Scan023
Letter from coachbuilder Barker & Co. regarding the guaranteed speed of an Austro-Daimler chassis.31th Oct 1925Box 21 \ 1  Scan024
Letter to coachbuilders Messrs. Barkers regarding vehicle speed limitations due to body design and wind resistance.4th Nov 1925Box 21 \ 1  Scan025
Letter from Barker & Co. Coachbuilders regarding a guaranteed speed of 70 mph for a car.5th Nov 1925Box 21 \ 1  Scan026
Visit to the Paris Show to test competitor cars, specifically the Austro Daimler and Tracta for their suspension.27th Sep 1928Box 21 \ 1  Scan027
Performance trial report for a Bentley with an open touring Weyman body, comparing its acceleration to a G.11 vehicle.18th Sep 1924Box 21 \ 2  Scan001
Comparing the performance of a Bentley car with a Weyman body against a 20 HP Rolls-Royce (G.11).22th Sep 1924Box 21 \ 2  Scan002
Effective lubrication system of the Bentley car and suggesting a review for potential application.10th Oct 1925Box 21 \ 2  Scan003
Potential purchase and analysis of competitor vehicles, the Austro-Daimler and the Bentley.13th Oct 1925Box 21 \ 2  Scan004
Assessing a competitor's 40 HP Bentley car, evaluating its engine and chassis design.13th Oct 1925Box 21 \ 2  Scan005
Weight saving strategies and performance comparisons for the New Phantom model.13th Oct 1925Box 21 \ 2  Scan006
Request for information on the number and type of lubricating points on a Bentley chassis.15th Oct 1925Box 21 \ 2  Scan007
Suggesting the trial of duralumin rockers to reduce 'Phantom' weight, noting Bentley's use of the material.15th Oct 1925Box 21 \ 2  Scan008
Comparing the performance of the new 6 1/2 Litre Bentley to the New Phantom.23th Oct 1925Box 21 \ 2  Scan009
Page comparing performance and specifications for various cars including the Phantom, Bentley and Fiat.23th Oct 1925Box 21 \ 2  Scan010
Hand-drawn graph comparing the Flywheel Brake Horsepower (B.HP) of a 'New Phantom' and a 'Bentley' against engine RPM.9th Dec 1925Box 21 \ 2  Scan011
Internal note requesting views following a test run of a 6-cylinder Bentley car.9th Dec 1925Box 21 \ 2  Scan012
Cover note for a report on a test run of a 6-cylinder Bentley car.10th Dec 1925Box 21 \ 2  Scan013
Test drive in a new six-cylinder Bentley, comparing its performance to the 'Phantom' model.12th Dec 1925Box 21 \ 2  Scan014
Letter to Hives arranging a test of a friend's 6-cylinder Bentley.5th Jul 1926Box 21 \ 2  Scan015
Letter regarding the performance of a Phantom car and its Lucas magneto.6th Jul 1926Box 21 \ 2  Scan016
Letter discussing the opportunity to test a 6-cylinder Bentley.6th Jul 1926Box 21 \ 2  Scan017
Test report on the suspension, power, and performance of a 6-cylinder Bentley car.23th Jul 1926Box 21 \ 2  Scan018
Vehicle performance issues including engine detonation, various noises, poor slow running, a jagging clutch, and a steering wobble.23th Jul 1926Box 21 \ 2  Scan019
Competitive analysis report on a Bentley vehicle, detailing issues with cooling, brakes, and oil consumption.17th Jul 1992Box 21 \ 2  Scan020
Request for chassis cards for a client, including an address and noting that payment is awaited.17th Jul 1992Box 21 \ 2  Scan021
Blueprint graph comparing the acceleration of various Bentley and Phantom models against road speed.1st Aug 1926Box 21 \ 2  Scan022
Comparison and analysis of reversed and rebound leaf springs as fitted to Lancia and Bentley cars.1st Aug 1926Box 21 \ 2  Scan023
Graph plotting spring compression against total load for a Woodhead Special Spring D.10th Aug 1926Box 21 \ 2  Scan024
Reverse side of a document showing a print room stamp from Derby.10th Aug 1926Box 21 \ 2  Scan025
Performance graph of deflection versus load for Lancia reversed leaf springs.10th Aug 1928Box 21 \ 2  Scan026
With a red rectangular date stamp in the bottom right corner.10th Aug 1928Box 21 \ 2  Scan027
Discrepancy in the stated ground clearance of a six-cylinder Bentley car.12th Nov 1926Box 21 \ 2  Scan028
Performance tests on a modified 20 HP car, comparing it to the standard Phantom.3rd Dec 1926Box 21 \ 2  Scan029
Graph comparing the acceleration performance of various vehicle models and configurations.3rd Dec 1926Box 21 \ 2  Scan030
Page with a receiving stamp from the Print Room in Derby.3rd Dec 1926Box 21 \ 2  Scan031
Two graphs comparing vehicle acceleration: Rolls Royce vs Bentley and High vs Low Axle Ratio.3rd Dec 1926Box 21 \ 2  Scan032
Performance graphs showing acceleration and velocity for a 20 HP engine with different configurations.3rd Dec 1926Box 21 \ 2  Scan033
Two graphs comparing acceleration performance for different 20 HP engine configurations.3rd Dec 1926Box 21 \ 2  Scan034
Two graphs comparing acceleration performance between a Rolls-Royce and a Bentley, and between different axle ratios.3rd Dec 1926Box 21 \ 2  Scan035
Two acceleration performance graphs comparing different engine configurations and car models.3rd Jan 1927Box 21 \ 2  Scan036
Blank document page with a Print Room stamp.3rd Jan 1927Box 21 \ 2  Scan037
Introductory document discussing car performance, specifically acceleration and the attached comparison curves.19th Nov 1926Box 21 \ 2  Scan038
Customer feedback on the 6-cylinder Bentley and its performance comparison to a Phantom and Sunbeam.25th Mar 1927Box 21 \ 2  Scan039
Typed note discussing a Bentley vehicle, a job by Vanden Plas, and interest in 6-cylinder models.24th Oct 1927Box 21 \ 2  Scan040
Recommending the purchase of a Stutz car for evaluation purposes over a Packard-8.24th Oct 1927Box 21 \ 2  Scan041
Road trial report from the 1927 Motor Show comparing a 6-cylinder Bentley to a Phantom.24th Oct 1927Box 21 \ 2  Scan042
Continued road test report and analysis of competitor cars including a Daimler and a Stutz.24th Oct 1927Box 21 \ 2  Scan043
Comparative analysis and road test report on Stutz, Bugatti, and Lea Francis cars.29th Feb 1928Box 21 \ 2  Scan044
Requesting information and a potential trial of the 4 ½ litre Bentley.29th Feb 1928Box 21 \ 2  Scan045
Arranging a test run of a competitor's six-cylinder Bentley Saloon to evaluate its steering and chassis.13th Jun 1928Box 21 \ 2  Scan046
Road testing a 6-cylinder Bentley under high-speed conditions to investigate wobbles.14th Jun 1928Box 21 \ 2  Scan047
Arranging a test drive for a six-cylinder Bentley in Cambridge, focusing on road conditions for testing steering control.15th Jun 1928Box 21 \ 2  Scan048
The postponement of a Bentley test, rescheduling it for the following Wednesday in Cambridge.19th Jun 1928Box 21 \ 2  Scan049
Confirming a meeting arrangement at The University Arms, Cambridge.9th Jun 1928Box 21 \ 2  Scan050
Letter discussing the springing arrangement for Chassis No. 29-CL, including the use of Continental springs and Hartford dampers.20th Jun 1928Box 21 \ 2  Scan051
Telegram from Northey to Hives postponing the Cambridge test due to a funeral.22th Jun 1928Box 21 \ 2  Scan052
Letter to the Royal Automobile Club from a car owner requesting a suitable road for a high-speed steering test.22th Jun 1928Box 21 \ 2  Scan053
Letter to The Royal Automobile Club concerning a suitable road found between Earith Bridge Station and Sutton.28th Jun 1928Box 21 \ 2  Scan054
Letter from the Royal Automobile Club to W. A. Robotham suggesting four straight roads for potential testing.23th Jun 1928Box 21 \ 2  Scan055
Road test comparing the steering and high-speed wobble characteristics of a 6 1/2 Litre Bentley with a 10-EX car.28th Jun 1928Box 21 \ 2  Scan056


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