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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Agenda for a Derby conference on car work, outlining various model improvements and tests.17th Jul 1931Box 19 \ 1  Scan120
Design for a Continental Touring Saloon with side-mounted spare wheels.22th Aug 1931Box 19 \ 1  Scan121
Record of a telephone conversation discussing camshaft specifications and engine improvements for various models.4th Sep 1931Box 19 \ 1  Scan122
The Brooklands testing of the Continental P.2. car, comparing a new camshaft against a high compression ratio.1st Oct 1931Box 19 \ 1  Scan123
Power output and track tests of the Continental Model car, chassis 27-EX.5th Oct 1931Box 19 \ 1  Scan124
Graph comparing engine performance with 1 3/4 inch and 1 1/2 inch diameter chokes under various conditions.23th Mar 1931Box 19 \ 1  Scan125
Heavily faded typed document with a purple 'Print Room' stamp.28th Sep 1931Box 19 \ 1  Scan126
Testing a 27-EX car at Brooklands to evaluate increased performance from non-standard engine modifications.5th Oct 1931Box 19 \ 1  Scan127
Performance test results for a 27 Ex. car at Brooklands, including an acceleration graph and valve timing diagram.5th Oct 1931Box 19 \ 1  Scan128
Page with a purple date stamp.13th Oct 1931Box 19 \ 1  Scan129
Proposed 10% higher back axle ratio to gain 8HP and improve efficiency.20th Oct 1931Box 19 \ 1  Scan130
Customer feedback on the braking of a Continental Touring Saloon 31-GX and requesting further technical information.1st Nov 1931Box 19 \ 1  Scan131
Letter responding to Major Cox, discussing car performance, engine vibration, and braking systems.26th Oct 1931Box 19 \ 1  Scan132
The concluding page of a letter from Ernest G. Kleinwort regarding a trial run and his opinion of the 20-25 HP model.2nd Nov 1931Box 19 \ 1  Scan133
Engine modifications, balancing increased power with the undesirable engine roar from a double carburetter.2nd Nov 1931Box 19 \ 1  Scan134
Page 2 of a memo discussing modifications for noise reduction.3rd Nov 1931Box 19 \ 1  Scan135
Engine roar issues and comparative tests of different camshaft and carburettor configurations.3rd Nov 1931Box 19 \ 1  Scan136
Follow-up request for a reply to a letter of criticism from a motorist, forwarded from a Mr. Kleinwort.11th Nov 1931Box 19 \ 1  Scan137
Response to a letter from Mr. Kleinwort concerning vibration and brake performance on a Continental Phantom II.12th Nov 1931Box 19 \ 1  Scan138
Modifications to the Continental Phantom II air silencer to improve high-speed performance.13th Nov 1931Box 19 \ 1  Scan139
Performance test on a Continental Phantom II by removing its air-silencer tubes.16th Nov 1931Box 19 \ 1  Scan140
Requesting a progress update on modifications to the epicyclic gearbox on car 27-EX.20th Nov 1931Box 19 \ 1  Scan141
Arrangements for the 10,000-mile test of car 27-EX and a discussion on carburetter types.21th Dec 1931Box 19 \ 1  Scan142
Proposal for a 10,000-mile test on a Continental Phantom II using a modified P.2 experimental car.21th Dec 1931Box 19 \ 1  Scan143
Arrangements for a 10,000-mile test on a Continental Phantom II vehicle, chassis 19-EX.22th Dec 1931Box 19 \ 1  Scan144
Proposal outlining seven modifications to improve the performance of the Continental Phantom II.22th Dec 1931Box 19 \ 1  Scan145
List of proposed modifications and performance considerations for creating a fast Continental sports car.22th Dec 1931Box 19 \ 1  Scan146
Progress report on the development and testing of various carburetter types including twin, two single, and single models.22th Dec 1931Box 19 \ 1  Scan147
Carburetter configurations for the improved Phantom II Continental car, comparing options and development timelines.24th Dec 1931Box 19 \ 1  Scan148
From Sg. to Hs. regarding an Improved Continental Phantom II, discussing a test drive and parts availability.24th Dec 1931Box 19 \ 1  Scan149
Test report on a Continental Phantom trials car by Mons. Pierre Delage.24th Dec 1931Box 19 \ 1  Scan150
Translated covering letter from Mr. Pierre Delage providing feedback on a test of a Continental model vehicle.4th Dec 1931Box 19 \ 1  Scan151
Trial run report on the 31 G.X. 'Continental' model by Mr. Pierre-Delage.8th Dec 1931Box 19 \ 1  Scan152
Road test report detailing a car's handling, suspension, brakes, and fuel consumption.8th Dec 1931Box 19 \ 1  Scan153
Observations on a vehicle's interior features, performance, and issues encountered during use.5th Dec 1931Box 19 \ 1  Scan154
Report by Mr. Pierre Delage detailing a trial run of the 31 G.X. 'Continental' model in France.5th Dec 1931Box 19 \ 1  Scan155
Road test log detailing a journey from Besancon to Paris, with timings, distances, fuel consumption, and speed analysis.9th Dec 1931Box 19 \ 1  Scan156
Information for the controls and induction pipe of the P.2. Continental Expanding Carburetter.9th Dec 1931Box 19 \ 1  Scan157
Carburettor options (RR vs SU) for the Continental Phantom programme and required improvements for the SU carburettor.31th Dec 1931Box 19 \ 1  Scan158
The RR Continental carburetter and the central idea for an expanding diffuser jet carburetter.28th Dec 1931Box 19 \ 1  Scan159
Response to a criticism about the dynamo output on a Continental Phantom car, 31-GX.28th Dec 1931Box 19 \ 1  Scan160
Thanking for a satisfactory test report on the Continental Phantom by Mons. Pierre Delage.29th Dec 1931Box 19 \ 1  Scan161
Implementation of SU carburettors and testing procedures for the Continental Phantom.30th Dec 1931Box 19 \ 1  Scan162
Safest testing procedure for the Continental Phantom II, comparing engine bench tests with road tests.31th Dec 1931Box 19 \ 1  Scan163
Carburettor options for the Continental Phantom.9th Jan 1932Box 19 \ 1  Scan164
Instruction to Messrs. Sanderson & Holmes to carry out work on a car as per an attached estimate.8th Jan 1932Box 19 \ 1  Scan165
Modifications to the Continental Phantom petrol pump to improve high-speed fuel output.12th Jan 1932Box 19 \ 1  Scan166
Requesting an update on completion dates and the start of a 10,000 miles test for the Continental Phantom.18th Jan 1932Box 19 \ 1  Scan167
Schemes of modifications for the SU carburetters on the Continental Phantom chassis.19th Jan 1932Box 19 \ 1  Scan168
Following up on the arrangement for a trial of car 27-EX after work on the carburetters.20th Jan 1932Box 19 \ 1  Scan169
Delays with car 27-EX due to gearbox tests and carburetter adjustments at the S.U. factory.21th Jan 1932Box 19 \ 1  Scan170
Gearbox issues delaying the delivery of the Continental Phantom 27-EX.26th Jan 1932Box 19 \ 1  Scan171
Specification sheet for the build of New Chassis 19-EX.28th Jan 1932Box 19 \ 1  Scan172
Specification list outlining production details for various vehicle components and their associated parts.28th Jan 1932Box 19 \ 1  Scan173
List of vehicle components and their corresponding production specifications.28th Jan 1932Box 19 \ 1  Scan174
List of vehicle components with corresponding part numbers, production series, and suitability notes.28th Jan 1932Box 19 \ 1  Scan175
The modification of Continental P. 2 induction pipes by cutting off the back water extensions.30th Jan 1932Box 19 \ 1  Scan176
The development status of the 27-EX car, detailing work on the gearbox, S.U. carburettors, and modified valve springs.2nd Mar 1932Box 19 \ 1  Scan177
Requesting a revised list of modifications to be tested on the improved Continental Phantom II car.12th Feb 1932Box 19 \ 1  Scan178
List of features and modifications to be fitted to model 19-EX.16th Mar 1932Box 19 \ 1  Scan179
List of modified parts fitted to car 27-EX.17th Feb 1932Box 19 \ 1  Scan180
Request for a list of modifications from the standard specification for a particular car.19th Feb 1932Box 19 \ 1  Scan181
Providing feedback on a car's road test performance, noting specifically the ineffectiveness of the brakes.22th Feb 1932Box 19 \ 1  Scan182
Private note from H.S. regarding criticism of the brakes on car 27-EX.23th Feb 1932Box 19 \ 1  Scan183
Brakes and servo of a car not being loaded up due to time constraints.25th Feb 1932Box 19 \ 1  Scan184
Performance trial for the Continental Phantom and 25HP models.26th Feb 1932Box 19 \ 1  Scan185
Development and comparative performance of single versus dual carburetter setups for the Continental Phantom and 25 HP models.2nd Mar 1932Box 19 \ 1  Scan186
Page 2 of a typed document recommending experiments be made without delay.2nd Mar 1932Box 19 \ 1  Scan187
Performance trials of car 27-EX with increased compression and 2 S.U. carburettors.2nd Mar 1932Box 19 \ 1  Scan188
Carburettor development and performance trials for the Phantom II Continental model.2nd Mar 1932Box 19 \ 1  Scan189
Proposal for revising the specification of the 19-EX car, discussing potential changes to components like carburetters and gearboxes.2nd Mar 1932Box 19 \ 1  Scan190
Adjustable shock dampers and plans to test cars at Brooklands with new carburetters.2nd Mar 1932Box 19 \ 1  Scan191
Proposing to proceed with a 10,000-mile trial for car 19-EX to test its engine durability with new components.2nd Mar 1932Box 19 \ 1  Scan192
Gearbox of car 27-EX and recommendations for future development.2nd Mar 1932Box 19 \ 1  Scan193
Meeting and engine testing for the 19-EX experimental car.3rd Mar 1932Box 19 \ 1  Scan194
Disposal of experimental cars, agreeing to sell 27-EX and scrap 22-EX.3rd Mar 1932Box 19 \ 1  Scan195
The sale of experimental car 27-EX, its final test run, and the replacement of experimental carburettors with standard ones.4th Mar 1932Box 19 \ 1  Scan196
Planned trip to Brooklands to test several cars and a follow-up meeting to discuss parts.8th Mar 1932Box 19 \ 1  Scan197
List of faults found on the first production diamond engine car, with recommended modifications.8th Mar 1932Box 19 \ 1  Scan198
Instructions for adjusting radiator mounting and replacing parts to correct movement and clearance issues.8th Mar 1932Box 19 \ 1  Scan199
Warning about not using short distance piece F.84088 with hard rubber E.80612 to avoid excessive load on the centre mounting.8th Mar 1932Box 19 \ 1  Scan200
Urgent job on tank engines, requiring an employee to remain in Derby.9th Mar 1932Box 19 \ 1  Scan201
Removal of an epicyclic gearbox and refitting a standard gearbox on car 27-EX.14th Mar 1932Box 19 \ 1  Scan202
List of modifications required to bring a car to standard condition for sale.14th Mar 1932Box 19 \ 1  Scan203
List of alterations and standardizations made to various vehicle components including the gearbox, fuel system, and brakes.14th May 1932Box 19 \ 1  Scan204
Confirming the decision to convert car 27-EX to a standard specification.16th Mar 1932Box 19 \ 1  Scan205
The delivery date for Chassis No. 27-EX, pending parts from the Experimental Department.18th Mar 1932Box 19 \ 1  Scan206
Issues with stiffer springs causing bumping on the rear buffers of the Phantom II Continental Tourers.7th Jun 1932Box 19 \ 1  Scan207
Recommendation for increased clearances for Continental Tourers when fully loaded.7th Jun 1932Box 19 \ 1  Scan208
Comparing the performance of standard versus stiffer road springs under various load conditions.16th Jun 1932Box 19 \ 1  Scan209
Spring stiffness and buffer clearance for continental chassis to prevent 'crashing'.16th Jun 1932Box 19 \ 1  Scan210
Poor performance of the Continental P.II, trials results, and potential brake modifications.8th Jul 1932Box 19 \ 1  Scan211
Copy of a letter from Mr. Kleinwort providing feedback on a car's performance, including brakes, speed, and cockpit heat.1st Jul 1932Box 19 \ 1  Scan212
Summary of correspondence with Mr. Kleinwort regarding his feedback on car performance and features.2nd Jul 1932Box 19 \ 1  Scan213
Delaying a reply pending comparative carburettor test results for the Continental P.2 at Brooklands.1st Jul 1932Box 19 \ 1  Scan214
Reminding a colleague to provide written information regarding the Continental Phantom II for record purposes.21th Jul 1932Box 19 \ 1  Scan215
The 10,000-mile test of the 19-EX car, focusing on its new semi-expanding carburetter and performance.16th Aug 1932Box 19 \ 1  Scan216
Petrol pump and governor performance on the 19-EX car, with recommendations for modifications.16th Aug 1932Box 19 \ 1  Scan217
Replacement blueprint part numbers for rear springs on the Phantom II Continental chassis.19th Aug 1932Box 19 \ 1  Scan218
Showroom report comparing a Continental Trials car against a competitor's Lincoln 8-cylinder Vee.7th Sep 1932Box 19 \ 1  Scan219


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