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                
Choose Archive


Browsing Records        Page 369 of 2367        Sort by   Box   Date   Description

Filter      from        to             identifier   [all]
DescriptionDateIdentifier
Summary of findings on engine cooling for the Phantom II, focusing on bonnet ventilation, fan, and radiator design.25th Jun 1930Box 29 \ 3  Scan206
Necessity of ventilated or louvered bonnets for cars used at high speeds on the Continent.25th Jun 1930Box 29 \ 3  Scan207
Graph plotting top water, oil, and bottom water temperatures against miles run under specific test conditions.2nd Jul 1938Box 29 \ 3  Scan208
Blank document page with a purple ink stamp from the Print Room in Derby.2nd Jul 1938Box 29 \ 3  Scan209
Graph showing the ambient temperatures at which a Standard Phantom II Cabriolet will overheat under various ventilation configurations.2nd Jul 1938Box 29 \ 3  Scan210
Graph comparing top and bottom water temperatures under various bonnet and shutter configurations.2nd Jul 1938Box 29 \ 3  Scan211
Graph plotting oil and top water temperatures against miles run under varying speed and cooling conditions.2nd Jul 1938Box 29 \ 3  Scan212
Graph comparing critical atmospheric temperature for spring tensioned versus positively tensioned fan belts on a 19 E.X. model at 62 M.P.H.2nd Jul 1938Box 29 \ 3  Scan213
Graph comparing the top water temperature against miles run for two different engine and radiator configurations.2nd Jul 1938Box 29 \ 3  Scan214
Blueprint showing a modification to the front undershield to improve the cooling system.2nd Jul 1930Box 29 \ 3  Scan215
Mostly blank page with a purple date stamp from Derby.2nd Jul 1930Box 29 \ 3  Scan216
Request to order two complete sets of six special tyres from the Dunlop Rubber Co. for use on Brooklands Track.26th Jun 1930Box 29 \ 3  Scan217
Phantom's cooling system performance, potential modifications, and comparisons with competitor vehicles.1st Jul 1930Box 29 \ 3  Scan218
Results of the Brooklands Tests, potential modifications, and future high-speed testing locations.2nd Jul 1930Box 29 \ 3  Scan219
Brooklands tests for vehicle overheating issues and modifications made to improve cooling.3rd Jul 1930Box 29 \ 3  Scan220
Letter of apology to Shell Depot, Brooklands Racing Track, for inadvertently taking some tables.4th Jul 1930Box 29 \ 3  Scan221
List of recommendations for improvements to the fan belt, autovac, bonnet, and cooling/fuel systems.9th Jul 1930Box 29 \ 3  Scan222
Vehicle cooling system performance and factors affecting overheating.9th Jul 1930Box 29 \ 3  Scan223
Engine cooling circulation and water temperature tests with speed.9th Jul 1930Box 29 \ 3  Scan224
Engine overheating, fuel supply issues, and radiator performance comparisons.9th Jul 1930Box 29 \ 3  Scan225
Cooling system fan belt performance, mixture strength, and fuel supply issues at high speeds.9th Jul 1930Box 29 \ 3  Scan226
Fuel supply issues related to vacuum pump efficiency and overheating at high speeds.9th Jul 1930Box 29 \ 3  Scan227
Second report on Brooklands radiator tests detailing the failure of the autovac fuel supply system.9th Jul 1930Box 29 \ 3  Scan228
Graphs illustrating the effects of the fan, speed, and ventilation on the cooling system.2nd Jul 1930Box 29 \ 3  Scan229
Blank page with a date stamp from Derby.12th Jul 1930Box 29 \ 3  Scan230
Series of graphs showing the effect of circulation on overheating in a PII water system.2nd Jul 1930Box 29 \ 3  Scan231
Line graph charting top and bottom water temperatures from a test conducted at Brooklands under various conditions.2nd Jul 1930Box 29 \ 3  Scan232
Graph plotting the effect of bottom water temperature on complete car circulation and pump suction depression.12th Jul 1930Box 29 \ 3  Scan233
Page with a purple ink reception stamp.12th Jul 1930Box 29 \ 3  Scan234
Outlining a series of radiator tests to be conducted on the 19-EX car at Brooklands.10th Jul 1930Box 29 \ 3  Scan235
Cooling tests for 25 HP and 40/50 HP models, specifically the Phantom II.1st Jul 1930Box 29 \ 3  Scan236
Testing of a square tube radiator and the on-track comparison with other cars.1st Jul 1930Box 29 \ 3  Scan237
Third report on Brooklands tests comparing the cooling performance of the Phantom II against other cars.23th Jul 1930Box 29 \ 3  Scan238
Performance test report on a 5-passenger closed sedan, detailing issues with cooling and piston failure.23th Jul 1930Box 29 \ 3  Scan239
Road test report on a car's performance, noting issues with engine detonation, suspension, steering, and braking.23th Jul 1930Box 29 \ 3  Scan240
Performance and comparison report of a Pierce-Arrow 8 cylinder sedan against a Phantom II.23th Jul 1930Box 29 \ 3  Scan241
Performance evaluation report of a vehicle, commenting on steering, gearbox, engine, and fuel consumption.23th Jul 1930Box 29 \ 3  Scan242
Cooling and performance tests conducted on a 1927 Hispano-Suiza Coupe, comparing it to the Phantom II.23th Jul 1930Box 29 \ 3  Scan243
Performance comparison report between a Hispano-Suiza car and a Phantom II, focusing on radiator efficiency, acceleration, and speed.23th Jul 1930Box 29 \ 3  Scan244
Test report on a 6-cylinder Graham Paige car, focusing on its cooling system and performance.22th Jul 1930Box 29 \ 3  Scan245
Continuation of a performance and engine analysis report for a Graham-Paige automobile, comparing it to other makes.22th Jul 1930Box 29 \ 3  Scan246
Technical report on a 'Miniature Paige' car, assessing its steering, brakes, clutch, and suspension in comparison to Rolls-Royce standards.28th Feb 1931Box 29 \ 3  Scan247
Summary of comparative tests on car cooling systems, comparing their ventilated bonnet to Hispano Suiza and American cars.22th Jul 1920Box 29 \ 3  Scan248
Comparative analysis of competitor vehicles, focusing on engine performance, gearboxes, and other design features, with specific mention of the Graham Paige.22th Jul 1920Box 29 \ 3  Scan249
Comparative data table detailing specifications and performance for various motor cars.23th Jul 1930Box 29 \ 3  Scan250
Blank document page with a purple date stamp in the bottom right corner.23th Jul 1930Box 29 \ 3  Scan251
Radiator tests on the Montlhéry Track with car 24-EX confirming earlier Brooklands results.23th Jul 1930Box 29 \ 3  Scan252
List of vehicle performance and cooling system tests conducted on the Montlhéry track.17th Jul 1930Box 29 \ 3  Scan253
Record of vehicle tests measuring water loss and temperatures at various speeds and configurations.18th Jul 1930Box 29 \ 3  Scan254
Temperature readings from tests involving bonnet shutters, vehicle speed, and ignition timing.18th Jul 1930Box 29 \ 3  Scan255
Test report detailing cooling system performance under various conditions, including different shutter, fan, and thermostat configurations.17th Jul 1930Box 29 \ 3  Scan256
Log sheet detailing a series of temperature tests conducted under various fuel and ignition settings.17th Jul 1930Box 29 \ 3  Scan257
Brooklands tests comparing specifications of Marmon, Pierce-Arrow, and Graham Paige cars.28th Jul 1930Box 29 \ 3  Scan258
Note discussing the PII cooling system, suggesting the fan drive is outdated compared to American cars.31th Jul 1930Box 29 \ 3  Scan259
Brooklands radiator tests, whittle fan belt performance, and the cooling capabilities of the Phantom II.31th Jul 1930Box 29 \ 3  Scan260
Performance and cooling of 200 Left-Hand Phantom II's sent to America.31th Jul 1930Box 29 \ 3  Scan261
Test conditions for the Phantom II during a comparison report with American cars.19th Aug 1930Box 29 \ 3  Scan262
Letter to the Shell Depot at Brooklands returning a book of tables.19th Aug 1930Box 29 \ 3  Scan263
The fourth series of tests at Brooklands, focusing on radiator and cooling system comparisons.21th Aug 1930Box 29 \ 3  Scan264
Radiator performance, including the square tube matrix, corrosion prevention, and tests on the effectiveness of louvres and shutters.21th Aug 1930Box 29 \ 3  Scan265
The efficiency of various components on the vehicle's cooling system.21th Aug 1930Box 29 \ 3  Scan266
Report page discussing vehicle performance tests, focusing on gear ratio, ignition, and cooling systems, with a comparison to a Chrysler model.21th Aug 1930Box 29 \ 3  Scan267
The conditions of tests for shutters, fan belts, altered fans, and gear ratios.1st Sep 1930Box 29 \ 3  Scan268
Test results for a standard radiator comparing performance based on bonnet ventilation, fan type, and speed.1st Sep 1930Box 29 \ 3  Scan269
Test results table comparing bonnet ventilation and radiator performance under different conditions and configurations.1st Sep 1930Box 29 \ 3  Scan270
Effect of various car alterations on top water temperature at different speeds.1st Sep 1930Box 29 \ 3  Scan271
Top water temperatures during full throttle tests at 45 M.P.H. and 30 M.P.H.1st Sep 1930Box 29 \ 3  Scan272
Test report comparing the cooling performance and lap speeds of a Chrysler against a Phantom II and other trial cars.25th Aug 1930Box 29 \ 3  Scan273
Fifth Brooklands report comparing the cooling performance of five cars against the Phantom II.25th Aug 1930Box 29 \ 3  Scan274
Comparison of cooling system specifications and performance against competitor vehicles.25th Aug 1930Box 29 \ 3  Scan275
Car performance comparisons, speedometer calibration, and maximum speed tests for various models.25th Aug 1930Box 29 \ 3  Scan276
Page discussing gains from a 112° camshaft and higher compression.25th Aug 1930Box 29 \ 3  Scan277
Comparison tables of various cars' face area, volume per displacement, and on-track temperature.25th Aug 1930Box 29 \ 3  Scan278
Blueprint containing two graphs comparing acceleration figures and speedometer calibrations for various cars.1st Jan 1929Box 29 \ 3  Scan279
Comparative analysis of cooling system specifications and performance for various motor cars.1st Jan 1929Box 29 \ 3  Scan280
Request for twenty-five Brooklands Track tickets.22th Sep 1930Box 29 \ 3  Scan281
Dispatch of 25 Brooklands tickets and a request for a usage report.24th Sep 1930Box 29 \ 3  Scan282
Typed thank you note for Brooklands tickets.25th Sep 1930Box 29 \ 3  Scan283
Inquiry to Brooklands Racing Track regarding its winter closure and availability for testing.29th Sep 1930Box 29 \ 3  Scan284
Letter from the Brooklands Automobile Racing Club regarding winter track closures.30th Sep 1930Box 29 \ 3  Scan285
Inconsistent test results for a square tube radiator at Brooklands.7th Oct 1930Box 29 \ 3  Scan286
Sixth Brooklands Report detailing the results of tests on six different types of radiator core.14th Oct 1930Box 29 \ 3  Scan287
Performance tests of various radiator tube designs, including standard, turbulent, and square tubes.4th Oct 1930Box 29 \ 3  Scan288
Technical comparison of different radiator tubes and a Gallay radiator core.14th Oct 1930Box 29 \ 3  Scan289
The design and cooling efficiency of various radiator tubes, including a sample from America.14th Oct 1930Box 29 \ 3  Scan290
Comparison of square and round radiator tubes at full throttle and low speeds.14th Oct 1930Box 29 \ 3  Scan291
Comparative table of radiator tube performance and specifications under various test conditions.14th Oct 1930Box 29 \ 3  Scan292
Graph showing the hydraulic restriction of a parallel square tube radiator, plotting delivery and pump suction pressure against engine RPM.14th Oct 1930Box 29 \ 3  Scan293
Heavily faded document, with only a purple ink office stamp being legible.14th Oct 1930Box 29 \ 3  Scan294
Graph of water flow tests on a Phantom II No.7 unit with a standard radiator.14th Oct 1930Box 29 \ 3  Scan295
Heavily faded and illegible document page with a date stamp in the bottom right corner.14th Oct 1930Box 29 \ 3  Scan296
Requirements for radiator tests to be conducted at Brooklands.27th Oct 1930Box 29 \ 3  Scan297
Results of radiator and acceleration tests conducted at Brooklands.31th Oct 1930Box 29 \ 3  Scan298
Radiator tests comparing different tube designs and their cooling efficiency.6th Nov 1930Box 29 \ 3  Scan299
Obtaining wind tunnel data from N.P.L. or Boulton & Paul for interpreting full-scale results.6th Nov 1931Box 29 \ 3  Scan300
Correcting a chassis number for proposed tests at Brooklands.9th Apr 1931Box 29 \ 3  Scan301
Rescheduling a meeting with Jack Barclay at Brooklands for car 27-EX.9th Apr 1931Box 29 \ 3  Scan302
Arranging a meeting and vehicle tests at Brooklands Track.13th Apr 1931Box 29 \ 3  Scan303
Series of radiator comparison tests under specific conditions.14th Apr 1931Box 29 \ 3  Scan304
Outlining a series of high and low speed radiator comparison tests to be conducted at Brooklands.4th May 1931Box 29 \ 3  Scan305


Copyright Sustain 2025, All Rights Reserved.    whatever is rightly done, however humble, is noble
An unhandled error has occurred. Reload 🗙