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
Correcting a previously reported fan speed to engine speed ratio for a Cadillac car.11th Sep 1936Box 155 \ 1  scan0253
Specification sheet detailing the particulars of two different fans, the Phantom III and the Cadillac.4th Sep 1936Box 155 \ 1  scan0254
Further radiator, fan, and cowl tests conducted at Brooklands on the Ph.III car.4th Sep 1936Box 155 \ 1  scan0255
Conclusions and summary of cooling fan tests, comparing different fan and cowl configurations.2nd Sep 1936Box 155 \ 1  scan0256
Summary of radiator test results under various fan and cowling configurations.5th Sep 1936Box 155 \ 1  scan0257
Addition to a report detailing cooling tests on a Phantom III after removing lights, horns, and bumper.5th Sep 1936Box 155 \ 1  scan0258
Results of a Brooklands test comparing critical air temperature under various car configurations at high speed.8th Sep 1936Box 155 \ 1  scan0259
Telegram received by telephone confirming track availability for the following day.23th Sep 1936Box 155 \ 1  scan0260
Short telegram message enquiring about the availability of a track for testing.23th Sep 1936Box 155 \ 1  scan0261
Test report detailing lap times and adjustments for a T.T. Bentley at Brooklands on October 3rd, 1936.5th Oct 1936Box 155 \ 1  scan0262
Test report for Race Car No. 7, detailing performance, lap times, and tyre changes.5th Oct 1936Box 155 \ 1  scan0263
T.T. Bentleys at Brooklands, detailing car setup, lap times, and speeds for two vehicles.20th Oct 1936Box 155 \ 1  scan0264
Summary of performance results comparing a No. 7 Race Car with an 'A' Practice Car.20th Oct 1936Box 155 \ 1  scan0265
Letter from Brooklands Automobile Racing Club advising that an average speed of 90 m.p.h. is not possible on the outer circuit due to repairs and traffic.5th Jan 1937Box 155 \ 1  scan0266
Letter from the Experimental Department inquiring about continuous running tests at the Brooklands Motor Course.26th Feb 1937Box 155 \ 1  scan0267
Telex message inquiring about the availability of the Weybridge track for testing.6th Apr 1937Box 155 \ 1  scan0268
Telegram received by telephone regarding track availability.6th Apr 1937Box 155 \ 1  scan0269
Telegram received by telephone regarding the availability of a track on certain weekdays.6th Apr 1937Box 155 \ 1  scan0270
Post office telegram advising of track availability on specific days.6th Apr 1937Box 155 \ 1  scan0271
Prepaid reply telegram enquiring about the availability of the Weybridge track for testing.7th Apr 1937Box 155 \ 1  scan0272
Telegram received by telephone concerning track availability.7th Apr 1937Box 155 \ 1  scan0273
Telegram received by telephone confirming that the track is available all day.7th Apr 1937Box 155 \ 1  scan0274
Telegram confirming the availability of a track on requested days.7th Apr 1937Box 155 \ 1  scan0275
The work required to prepare car 37-EX for Brooklands cooling tests.22th May 1937Box 155 \ 1  scan0276
Continuation of instructions regarding feed lines to petrol pumps and obtaining a louvered bonnet for car 37-EX.26th May 1937Box 155 \ 1  scan0277
Request to fit a standard set of engine sideguards to the 37-EX car for Brooklands.26th May 1937Box 155 \ 1  scan0278
Testing the 37-EX model in London traffic and fitting an alternative thermometer union.27th May 1937Box 155 \ 1  scan0279
Post Office telegram confirming track availability.26th May 1937Box 155 \ 1  scan0280
Prepaid reply telegram enquiring about the availability of a track for testing.28th May 1937Box 155 \ 1  scan0281
Daily report on overheating tests conducted at Cricklewood and Brooklands.1st Jun 1937Box 155 \ 1  scan0282
Daily report detailing overheating tests carried out on a Standard Phantom III at Brooklands.3rd Jun 1937Box 155 \ 1  scan0283
Engine cooling performance under idling and full speed conditions, and a maximum lap speed for car 37-EX.8th Jun 1937Box 155 \ 1  scan0284
Daily report on radiator and fan testing conducted at Brooklands to resolve overheating issues.8th Jun 1937Box 155 \ 1  scan0285
Daily report on radiator cooling tests conducted at Brooklands.10th Jun 1937Box 155 \ 1  scan0286
Letter from Brooklands Automobile Racing Club proposing the rental of a depot at the racetrack.16th Jun 1937Box 155 \ 1  scan0287
Lap and 1/2 mile speeds from radiator tests at Brooklands, with additional results for a 36-EX car.17th Jun 1937Box 155 \ 1  scan0288
Letter to A.P. Bradley of the Brooklands Automobile Racing Club regarding a forthcoming discussion in Derby.18th Jun 1937Box 155 \ 1  scan0289
Query regarding test results for a high-speed fan and its effectiveness in preventing a car from boiling.18th Jun 1937Box 155 \ 1  scan0290
Letter from the Brooklands Automobile Racing Club confirming a meeting.21th Jun 1937Box 155 \ 1  scan0291
Letter to Mr. P. Bradley of Brooklands Automobile Racing Club confirming a visit to the works.23th Jun 1937Box 155 \ 1  scan0292
Performance of various engine cooling fans and the standardization of an improved 5-bladed version.23th Jun 1937Box 155 \ 1  scan0293
Telegram to Bradley in Weybridge regarding the opening of the track.23th Jun 1937Box 155 \ 1  scan0294
Tests carried out on Phantom III radiators and fans at Brooklands and Cricklewood.24th Jun 1937Box 155 \ 1  scan0295
Vehicle cooling system tests and conclusions drawn from the results.24th Jun 1937Box 155 \ 1  scan0296
Tests and conclusions on improving engine cooling systems and under-bonnet temperatures.24th Jun 1937Box 155 \ 1  scan0297
Summary of test results and conclusions regarding the cooling system performance, including fan, bonnet, and radiator matrix configurations.24th Aug 1937Box 155 \ 1  scan0298
Summary of overheating issues, proposing the standardisation of a 5-blade Cadillac fan and discussing a new dashboard thermometer.24th Aug 1937Box 155 \ 1  scan0299
Results of idling cooling tests carried out on a 37 EX car at Brooklands.24th Aug 1937Box 155 \ 1  scan0300
Test figures for component temperatures during vehicle operation in dense London traffic.24th Aug 1937Box 155 \ 1  scan0301
Table of results from cooling tests carried out at Brooklands on the 37 EX car.24th Aug 1937Box 155 \ 1  scan0302
Table detailing the results of cooling tests carried out at Brooklands on an experimental car.24th Aug 1937Box 155 \ 1  scan0303
Results of tests at Brooklands on under bonnet temperatures.26th Jun 1937Box 155 \ 1  scan0304
Performance test data sheet for vehicle 39 EX at Brooklands, detailing lap speeds, acceleration, and deceleration times.26th Jun 1937Box 155 \ 1  scan0305
Performance test results for two Bentley models.25th Jun 1937Box 155 \ 1  scan0306
Brief note acknowledging the receipt and noting the contents of a previous communication.25th Jun 1937Box 155 \ 1  scan0307
Graph showing the Tractive Resistance Curve and Horse Power Required at the road wheels for a 47cwt car at Brooklands.29th Jun 1937Box 155 \ 1  scan0308
Acceleration curve graph comparing the performance of various car models.26th May 1937Box 155 \ 1  scan0309
Letter proposing to conduct tests at the Brooklands Motor Course track.26th Jun 1937Box 155 \ 1  scan0310
Works slip returning memos and a file copy that were sent to the sender by mistake.26th Jun 1937Box 155 \ 1  scan0311
Telegram informing of track unavailability on a Tuesday and Wednesday.28th Jun 1937Box 155 \ 1  scan0312
From Robotham to J.L. Evans arranging a meeting at Brooklands for a Bentley comparison test.28th Jun 1937Box 155 \ 1  scan0313
Telegram received by telephone regarding the availability of a track.28th Jun 1937Box 155 \ 1  scan0314
Letter from Brooklands Automobile Racing Club regarding the unavailability of the track for testing.28th Jun 1937Box 155 \ 1  scan0315
Personal letter to W. A. Robotham apologising for missing a meeting at the Track.30th Jun 1937Box 155 \ 1  scan0316
Cover note for Phantom III performance test curves from Brooklands, detailing acceleration, retardation and speedometer results.2nd Jul 1937Box 155 \ 1  scan0317
Performance graph for a Vauxhall 25 HP vehicle tested at Brooklands, showing tractive resistance and horsepower required at various speeds.24th Jun 1937Box 155 \ 1  scan0318
Comparing car performance data for a Brooklands lap.16th Mar 1939Box 155 \ 1  scan0319
Graph showing results of tractive resistance versus speed tests conducted at Brooklands.25th Jun 1937Box 155 \ 1  scan0320
Hand-drawn performance comparison of a 28 HP Oldsmobile and a 30 HP Rolls-Royce, including data tables for acceleration/deceleration times and a graph of Horsepower vs. MPH.24th Jun 1937Box 155 \ 1  scan0321
Tractive resistance curve graph for an Oldsmobile, plotting horsepower and seconds against miles per hour.24th Jun 1937Box 155 \ 1  scan0322
Graph showing speedometer correction curve test results for a Phantom III at Brooklands.29th Jun 1937Box 155 \ 1  scan0323
Graph showing the results of a retardation test for a Phantom III Park Ward Saloon at Brooklands.29th Jun 1937Box 155 \ 1  scan0324
Graph showing acceleration test curves for a Phantom III with an overdrive gearbox, conducted at Brooklands.29th Jun 1937Box 155 \ 1  scan0325
Programme of test bed work for a Phantom engine, detailing carburettor, ignition, and camshaft tests.24th Nov 1936Box 155 \ 2  scan0001
Progress report on endurance testing and component specifications for various engine units.24th Nov 1936Box 155 \ 2  scan0002
Test procedures and requirements for various engines, including B.22, C.16, and the B.23 O.H.C. engine.24th Nov 1936Box 155 \ 2  scan0003
Order for solid idler gears for Phantom III test bed engines due to cracking issues.27th Nov 1936Box 155 \ 2  scan0004
Proposing a reliability test rig for a 4¼-Litre Bentley overhead camshaft engine conversion.28th Nov 1936Box 155 \ 2  scan0005
Program of test bed work for Phantom III and Bentley engine units.30th Nov 1936Box 155 \ 2  scan0006
Engine test instructions and specifications for B.19 and O.H.C. Bentley No.23.30th Nov 1936Box 155 \ 2  scan0007
Instructions for oil testing on a C.14 unit and assembly details for a B.9 test bed unit.30th Nov 1936Box 155 \ 2  scan0008
Programme of test bed work for Phantom III and Bentley engine units.30th Nov 1936Box 155 \ 2  scan0009
List of engine endurance test instructions and specifications for an O.H.C. Bentley engine.30th Nov 1936Box 155 \ 2  scan0010
Instructions for completing jobs and carrying out various oil and engine unit tests.30th Nov 1936Box 155 \ 2  scan0011
Sending holders for each test bed to indicate special parts and the nature of the test.4th Dec 1936Box 155 \ 2  scan0012
Programme of test bed work for various engine units, outlining endurance tests and development features.7th Dec 1936Box 155 \ 2  scan0013
Technical memo detailing continued testing and assembly programmes for various engine units.7th Dec 1936Box 155 \ 2  scan0014
Test specifications for unit B.9 (25/30) including air intake, exhaust valves, and spark plug requirements.7th Dec 1936Box 155 \ 2  scan0015
Request to test the deletion of the front inlet water pipe on the Phantom III hot spot box to save weight and expense.9th Dec 1936Box 155 \ 2  scan0016
Request confirming the addition of a radius to chromium-plated front collets for airscrew hubs on test beds.10th Dec 1936Box 155 \ 2  scan0017
Order for 12 glass tube thermometers from L. Casartelli & Sons.14th Dec 1936Box 155 \ 2  scan0018
Programme of test bed work for Phantom III, Continental, and Bentley engine units.14th Dec 1936Box 155 \ 2  scan0019
Engine component assembly and testing procedures for endurance and oil consumption.14th Dec 1936Box 155 \ 2  scan0020
Request to arrange a test bed mounting for a Bentley engine.15th Dec 1936Box 155 \ 2  scan0021
Programme of test bed work for a Phantom III engine, No. 9 unit, outlining specifications and jobs to be carried out.30th Dec 1936Box 155 \ 2  scan0022
Instructions for engine assembly, testing, and component modifications for various Continental and Bentley units.30th Dec 1936Box 155 \ 2  scan0023
List of tests and considerations for an OHC engine's valve gear, induction system, and related components.30th Dec 1936Box 155 \ 2  scan0024
List of tests, reports, and modifications for various engine components.30th Dec 1936Box 155 \ 2  scan0025
Outlining the programme of test bed work for various engine units.4th Jan 1936Box 155 \ 2  scan0026
Instructions for endurance and oil consumption testing of engine components B-3 and B-9.4th Jan 1936Box 155 \ 2  scan0027


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