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
To Mr. Lappin confirming a mechanic, Bowering, will be arriving by train with a petrol pump.20th Dec 1933Box 107 \ 1  scan0197
Replacement of a petrol pump unit for chassis GLN-60.20th Dec 1933Box 107 \ 1  scan0198
Order for a new S.U. petrol pump for a Bentley chassis.20th Dec 1933Box 107 \ 1  scan0199
Providing feedback on modifications to a 20-G4 vehicle's clutch, air silencer, and brakes after testing in traffic.1st Jan 1934Box 107 \ 1  scan0200
Test status and despatch timeline for the 20/25HP Chassis GUB-5.1st Jan 1934Box 107 \ 1  scan0201
Fitting issue with a modified hand brake lever on chassis GUB-5, the 'Wor's Car'.22th Jan 1934Box 107 \ 1  scan0202
Modifications to a car's body and fuel tank to accommodate a new concealed luggage grid.31th Jan 1934Box 107 \ 1  scan0203
Requesting to fit a grid and tank, explaining a delay in the job due to awaiting sales approval for expenditure on body modifications.31th Jan 1934Box 107 \ 1  scan0204
Instructions for a tank.2nd Feb 1934Box 107 \ 1  scan0205
Requesting the manufacture of a new petrol tank to accommodate a concealed luggage grid on car GUB-5.2nd Feb 1934Box 107 \ 1  scan0206
Timeline for detailed drawings and manufacturing of a concealed luggage grid for car GUB-5.2nd Feb 1934Box 107 \ 1  scan0207
Noisy tappet caused by a sticking valve and loose bronze valve seat inserts.12th Feb 1934Box 107 \ 1  scan0208
Performance and issues report for car GLN-60 after 5210 miles, noting engine noise and fuel consumption.27th Feb 1934Box 107 \ 1  scan0209
Transfer of experimental vacuum-assisted clutch and throttle parts from car 20-G-1V to car GAW-3.21th Mar 1934Box 107 \ 1  scan0210
Transferring experimental parts from one car to another, specifically concerning GAW-3 and 20-G-IV.22th Mar 1934Box 107 \ 1  scan0211
Confirming a telephone conversation about the handover of chassis 20-G-4 and the transfer of its experimental parts to car GAW-3.1st Apr 1934Box 107 \ 1  scan0212
Requesting modifications to a car, including fitting Terraplane engine mountings and removing parts for a vacuum-assisted clutch.16th Apr 1934Box 107 \ 1  scan0213
Query about when special clutch, throttle, and Servo parts are being sent for car GAW-3.19th Apr 1934Box 107 \ 1  scan0214
Request to despatch clutch parts and an air valve from Mr. Cowen's car to Cricklewood for fitting to another vehicle.20th Apr 1934Box 107 \ 1  scan0215
Despatching Air Valve and Clutch parts from chassis 20-G-IV to Cricklewood, noting the servo will be sent later.20th Apr 1934Box 107 \ 1  scan0216
Improvements and comparisons of the GUB-5 car with the Essex Terraplane, focusing on a new rubber engine mounting.25th Apr 1934Box 107 \ 1  scan0217
Five requested modifications for a 20/25 Car.26th Apr 1934Box 107 \ 1  scan0218
Fitting of a new expanding carburetter to a 20/25 model car.4th May 1934Box 107 \ 1  scan0219
Delayed use of car GAW-3 for testing a new carburetter.5th May 1934Box 107 \ 1  scan0220
The unavailability of car GAW-3 for testing a new carburettor.9th May 1934Box 107 \ 1  scan0221
The performance of vehicle unit GLN-60 after completing over 10,000 miles.19th May 1934Box 107 \ 1  scan0222
Driver's feedback report on a car's performance, detailing both improvements and remaining issues.23th May 1934Box 107 \ 1  scan0223
Instructions to replace Aerolite pistons with a standard set and fit a Textolite water pump pinion to car GLN-60.24th May 1934Box 107 \ 1  scan0224
Steering shock fault on a 20/25 car and exploring fitting parts from Terraplane and La Salle vehicles.31th May 1934Box 107 \ 1  scan0225
Petrol consumption tests on a new carburetter.6th Jun 1934Box 107 \ 1  scan0226
Request for a blueprint or general arrangement drawing for an experimental clutch damper fitment.14th Aug 1934Box 107 \ 1  scan0227
Dispatch of an air valve from chassis GAW-3, replaced by a suction chamber from chassis 20-G-IV.10th Sep 1934Box 107 \ 1  scan0228
Dispatch of an air valve removed from chassis GAW-3 and replaced with a suction chamber from chassis 20-G-IV.10th Sep 1934Box 107 \ 1  scan0229
Stuck Special Air Valve on car GAW-3, which caused power loss.18th Sep 1934Box 107 \ 1  scan0230
The replacement of a standard valve with a special valve on chassis GAW-3.21th Sep 1934Box 107 \ 1  scan0231
Modifications required for a Wor's 20/25 HP Car to standardize parts.24th Oct 1934Box 107 \ 1  scan0232
Removal of special features from car GLN-60 before its sale.9th Nov 1934Box 107 \ 1  scan0233
Modifications to car GLN-60, which has experimental engine parts, to make it suitable for sale.12th Nov 1934Box 107 \ 1  scan0234
Private letter from Lp. to Hs. proposing to fit a redundant 'gutty' 25 HP engine into car GLN-60.13th Nov 1934Box 107 \ 1  scan0235
Letter agreeing to proposals for engine alterations on a chassis and requesting a cost and time estimate for the work.13th Nov 1934Box 107 \ 1  scan0236
Response regarding a request for a 'gutty' 25 HP engine and a proposal to modify a GLN-60 unit for sale.15th Nov 1934Box 107 \ 1  scan0237
Non-standard parts on chassis GLN-60 and required changes.16th Nov 1934Box 107 \ 1  scan0238
Necessary specification changes to the camshaft and timing gears for chassis GLN-60.16th Nov 1934Box 107 \ 1  scan0239
Ordering and fitting a second Marles Type L.7 Steering Gear to chassis GUB-V, and manufacturing additional levers.19th Nov 1934Box 107 \ 1  scan0240
Testing a new clutch, suggesting using company cars rather than demonstration or Trials cars.20th Nov 1934Box 107 \ 1  scan0241
New clutch fitment, steering adjustments, and the reallocation of hydraulic jacks and a bumper bar.22th Nov 1934Box 107 \ 1  scan0242
The chassis GLG-5, requesting the fitting of an improved clutch and a lower steering ratio.23th Nov 1934Box 107 \ 1  scan0243
Confirming preparation of an altered steering ratio and improved clutch for chassis GLG-5.26th Nov 1934Box 107 \ 1  scan0244
The fitting of Jackall jacks and a stabilising bumper to an experimental coachwork car, GZU-24.26th Nov 1934Box 107 \ 1  scan0245
Request to prepare and fit an improved 20/25 HP flywheel and clutch to trial cars for London traffic testing.28th Nov 1934Box 107 \ 1  scan0246
Modifications and observations for experimental car GZU-24, including a new clutch and bumper bars.26th Nov 1934Box 107 \ 1  scan0247
Testing of jacks and a harmonic stabilising bumper on a 20/25 HP Car, chassis GZU-24.29th Nov 1934Box 107 \ 1  scan0248
Testing jacks and a stabilising bumper on a 20/25 HP car, No. GZU-24.30th Nov 1934Box 107 \ 1  scan0249
Return of a bumper bar removed from the GZU-24 experimental car.7th Dec 1934Box 107 \ 1  scan0250
The return of a bumper bar and the dispatch of fittings for chassis GZU 24.8th Dec 1934Box 107 \ 1  scan0251
High compression head for a 20/25 Continental Trials Car.12th Dec 1934Box 107 \ 1  scan0252
Inquiry regarding the expected dispatch of parts for car GAW-3, referencing GZU-24.31th Dec 1934Box 107 \ 1  scan0253
Note about using up all available forgings for the new type flywheel and clutch, with a 3-4 week delay for new stock.3rd Jan 1935Box 107 \ 1  scan0254
Requesting the fitting of a new type of clutch to Wor's car, detailing the necessary modifications.3rd Jan 1935Box 107 \ 1  scan0255
Delay in new flywheel and clutch parts, and an inquiry about the readiness of parts for a steering experiment.3rd Jan 1935Box 107 \ 1  scan0256
Communication regarding the delayed readiness of steering pieces for car GZU-24, to be sent with the flywheel.8th Jan 1935Box 107 \ 1  scan0257
Request to supply one 25 HP carburetter complete for car GUB-5.11th Jan 1935Box 107 \ 1  scan0258
Road test and initial impressions of the Marles Type Steering system on a car.17th Jan 1935Box 107 \ 1  scan0259
Request to try fitting a side steering tube to Wor's car, GUB-5.18th Jan 1935Box 107 \ 1  scan0260
Seeking feedback on Marles Type Steering and proposing a conversion.30th Jan 1935Box 107 \ 1  scan0261
Personal review and initial feedback on the Marles Type Steering system.1st Feb 1935Box 107 \ 1  scan0262
Lower ratio of Marles Type Steering on a car and plans for comparison.2nd Feb 1935Box 107 \ 1  scan0263
Flywheel and shorter pendulum lever for Cowen's Car, chassis GZU-24.13th Feb 1935Box 107 \ 1  scan0264
Arranging the shipment of a new clutch, flywheel, and shorter pendulum lever to Cricklewood.13th Feb 1935Box 107 \ 1  scan0265
Confirming the dispatch of a latest type clutch, flywheel and shorter pendulum lever to Cricklewood.14th Feb 1935Box 107 \ 1  scan0266
Despatch of Ferodo clutch linings for car GZU24 to the Cricklewood Depot.2nd Mar 1935Box 107 \ 1  scan0267
Steering improvements and exhaust issues for the GAE-20 Trials Car.21th Mar 1935Box 107 \ 1  scan0268
The steering effort on car GAE-20 and proposing a modification.21th Mar 1935Box 107 \ 1  scan0269
Excessive play and an annoying rattle from the exhaust pipe sliding joint on the GAE-20 Trials Car.22th Mar 1935Box 107 \ 1  scan0270
Requesting rectification of a fault on Trials Car GAE-20.22th Mar 1935Box 107 \ 1  scan0271
Trial and comparison of cars with chassis numbers GAE-19 and GAE-20.22th Mar 1935Box 107 \ 1  scan0272
Arranging for experimental body insulation work on a car with chassis number GAE-20.25th Mar 1935Box 107 \ 1  scan0273
Complaint regarding poor brakes and a transmission rattle on a new 20/25 saloon car.1st Apr 1935Box 107 \ 1  scan0274
Arrival and investigation of car GSF-4 in Derby.4th Apr 1935Box 107 \ 1  scan0275
20/25HP Trials Car (GSF-4) returned for inefficient brakes and a second gear rattle.5th Apr 1935Box 107 \ 1  scan0276
Brake and transmission issues on chassis GSF-4, proposing modifications.5th Apr 1935Box 107 \ 1  scan0277
Oil leakage issue with the axle pivot on the 20/25 model and recommending further tests.11th Apr 1935Box 107 \ 1  scan0278
Potential improvements to the 20/25 chassis steering and back axle.11th Apr 1935Box 107 \ 1  scan0279
Note on reducing coachwork noise with felt lining and addressing a gearbox rattle issue.11th Apr 1935Box 107 \ 1  scan0280
Improvements to a car's steering due to a reduced cross steering tube poundage and a shorter pendulum lever.11th Apr 1935Box 107 \ 1  scan0281
Oil leak from the steering pivot on a 20/25 HP trials car and a subsequent modification.2nd Apr 1935Box 107 \ 1  scan0282
Oil leak from the steering pivot on a 20/25HP trials car, GSF-4.9th Apr 1935Box 107 \ 1  scan0283
Steering feel on a 20/25 model, requesting a shorter pendulum lever for testing.15th Apr 1935Box 107 \ 1  scan0284
Feedback and issues with a chassis after a 650-mile test drive, focusing on brakes, steering, and fuel consumption.25th Apr 1935Box 107 \ 1  scan0285
Customer complaints about reduced petrol consumption with a new carburetter.25th Apr 1935Box 107 \ 1  scan0286
Request to dispatch an experimental 25 HP Pendulum lever to Cricklewood for fitting to Mr. Sidgreaves' car.26th Apr 1935Box 107 \ 1  scan0287
Dispatching a short type pendulum lever for a 25 HP car and a potential fitting issue.26th Apr 1935Box 107 \ 1  scan0288
Responding to feedback on a new 20/25 HP chassis, addressing brake performance, oil leakage, and proposed improvements.29th Apr 1935Box 107 \ 1  scan0289
Modifications including 35° angle cams, servo components, steering, and petrol consumption for a 20/25 model.29th Apr 1935Box 107 \ 1  scan0290
Carburetter modification, brake thumping, and steering 'joggling' issues.29th Apr 1935Box 107 \ 1  scan0291
Car modifications, specifically a special cam, and petrol consumption results.1st May 1935Box 107 \ 1  scan0292
Fitting a special cam and other modifications to car GSF-4, and investigating petrol consumption.2nd May 1935Box 107 \ 1  scan0293
Improvements fitted to a new 20/25 HP car, model GLG.5, and discussing its performance.7th May 1935Box 107 \ 1  scan0294
Performance and issues of a 20/25 HP car after a test drive.8th May 1935Box 107 \ 1  scan0295
Customer feedback on reduced petrol mileage with a new carburetter.1st May 1935Box 107 \ 1  scan0296


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