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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Log of vehicle faults related to front axle and steering issues, with statistical analysis and remediation details.1st Jan 1940Box 146 \ 2  scan0188
Vehicle faults over quarterly and six-month periods.1st Jan 1940Box 146 \ 2  scan0189
Customer complaints about springs, suspension, and hydraulic systems over quarterly periods.1st Jan 1940Box 146 \ 2  scan0190
Summary report detailing vehicle faults, including hydraulics, bonnet rattles, dynamo, and petrol gauge issues, over a six-month period.1st Jan 1940Box 146 \ 2  scan0191
Summary report of vehicle component faults and repairs.14th Apr 1937Box 146 \ 2  scan0192
Speedometer and rear axle issues over different time periods.14th Apr 1937Box 146 \ 2  scan0193
The investigation into an engine's big end bearing failure on chassis B.100.HK.15th Apr 1937Box 146 \ 2  scan0194
The return and examination of brake drums for chassis 3.AZ.20, the Continental Trials Car.27th Apr 1937Box 146 \ 2  scan0195
Cover letter sending further particulars about Mr. Giraud's invention.20th Apr 1937Box 146 \ 2  scan0196
Letter in French outlining the advantages of a proposed motion transmission mechanism.15th Apr 1937Box 146 \ 2  scan0197
Analysis of the principles of a variable and automatic transmission system, this being page two of the document.15th Apr 1937Box 146 \ 2  scan0198
Technical explanation in French of a mechanical system, focusing on its operational advantages and simplicity.15th Apr 1937Box 146 \ 2  scan0199
Concluding page of a letter from an inventor regarding guarantees for his invention.21th Apr 1937Box 146 \ 2  scan0200
The condition and replacement of scored brake drums for a Phantom III continental trials car.21th Apr 1937Box 146 \ 2  scan0201
Issues with brake drum scoring on the Phantom III and the subsequent change in materials.23th Apr 1937Box 146 \ 2  scan0202
Short internal memo dismissing R. Giraud's unpatented invention.26th Apr 1937Box 146 \ 2  scan0203
Correspondence about returning front brake drums and skimming the rear drums for chassis 3.AZ.20, the Continental Trials Car.27th Apr 1937Box 146 \ 2  scan0204
Final tune-up for two Bentley cars and requesting large capacity oil pumps, while considering potential customs issues.28th Apr 1937Box 146 \ 2  scan0205
Query regarding steering wobble issues on the Phantom III chassis and a request for a future modification.30th Apr 1937Box 146 \ 2  scan0206
Customer complaints from Paris regarding Phantom III and Bentley models.4th May 1937Box 146 \ 2  scan0207
Vehicle complaints from Paris, covering issues with P.III, G.5, and Bentley models.4th May 1937Box 146 \ 2  scan0208
Excessive oil consumption on a 4 1/2 Litre Bentley by suggesting the use of alternative piston rings.4th May 1937Box 146 \ 2  scan0209
Requesting rubber anchorages from the rear springs of experimental car 35-EX be sent to Derby.11th May 1937Box 146 \ 2  scan0210
Letter arranging a car conference for Depot Chiefs and offering accommodation.11th May 1937Box 146 \ 2  scan0211
Steering wobbles experienced on the Phantom III model.13th May 1937Box 146 \ 2  scan0212
Query regarding the general fitting of large capacity oil pumps to 4 1/4 Litre Bentley chassis in France.14th May 1937Box 146 \ 2  scan0213
Letter detailing the repair history and condition of engine bearings from chassis B.179.AE.14th May 1937Box 146 \ 2  scan0214
Dimensions and measurements of a crankshaft for chassis B.179.AE.14th May 1937Box 146 \ 2  scan0215
Brief internal memo dismissing 'Radiant Products' as not useful.19th May 1937Box 146 \ 2  scan0216
Letter forwarding an enquiry and pamphlet from Radiant Products Inc. about their fuel saver products.10th May 1937Box 146 \ 2  scan0217
Promotional letter in French from Radiant Products, Inc. to Franco Britannic Autos Ltd. about their automotive products.15th Apr 1937Box 146 \ 2  scan0218
Page 2 of a business letter in French from Radiant Products, Inc. regarding a sales proposal.10th Jan 1936Box 146 \ 2  scan0219
Promotional leaflet for 'Colgra Plated Lubrication' featuring an engineer's sworn statement on its performance.10th Jan 1936Box 146 \ 2  scan0220
Advertisement for COLGRA, a super-lubricant oil additive.10th Jan 1936Box 146 \ 2  scan0221
Promotional leaflet for the Radiant Fuel Saver and Automatic Top Oiler.10th Jan 1936Box 146 \ 2  scan0222
Advertisement for the 'Radiant FUEL SAVER' device for automobiles.21th May 1937Box 146 \ 2  scan0223
Short typed memo acknowledging remarks regarding Radiant Products.21th May 1937Box 146 \ 2  scan0224
Query regarding a faulty wheel repair on car 22.G.V. which led to a subsequent collapse.26th May 1937Box 146 \ 2  scan0225
Request from Levallois to Derby for three sets of high pressure scraper rings for a Bentley 4 1/4 Litre chassis.31th May 1937Box 146 \ 2  scan0226
Requesting the despatch of piston and cylinder block parts for trial purposes.31th May 1937Box 146 \ 2  scan0227
Oil consumption for a Bentley Trials car and offering it for sale.5th Jun 1937Box 146 \ 2  scan0228
The dispatch of various Bentley 4 1/4 litre engine components for production and trials.7th Jun 1937Box 146 \ 2  scan0229
Engine work, oil consumption, and bearing issues for the Paris Trials car, chassis B.8.GA.7th Jun 1937Box 146 \ 2  scan0230
Technical memo detailing crankshaft measurements and procedures for fitting new bearings.7th Jun 1937Box 146 \ 2  scan0231
Correspondence regarding repairs to a spare wheel for chassis 22.G.V - Experimental Car.8th Jun 1937Box 146 \ 2  scan0232
Responding to a complaint about an axle, missing studs, and noisy ball bearings on Chassis No. 3-AX-185.9th Jun 1937Box 146 \ 2  scan0233
Main bearings and crankshaft regrinding for the Paris Trials Car.10th Jun 1937Box 146 \ 2  scan0234
Method for recovering worn, nitrided crankshafts, including processes for lapping and regrinding.6th Nov 1936Box 146 \ 2  scan0235
Translated letter from a customer suggesting an electrical control to change the gearing for high-speed travel.15th Jun 1937Box 146 \ 2  scan0236
Communication regarding modifications and parts supply for Mr. Embricos' car, chassis B.260.GA, to address excessive oil consumption.16th Jun 1937Box 146 \ 2  scan0237
Instructions to fit new main bearings and modify crankpin lubrication holes on a Bentley B.35.K.U. chassis.18th Jun 1937Box 146 \ 2  scan0238
Supply and specification of oversize Bentley pistons and rings for a trials car.21th Jun 1937Box 146 \ 2  scan0239
Letter regarding a complaint about wheel repairs on experimental car chassis 22.G.V.16th Jun 1937Box 146 \ 2  scan0240
Correspondence concerning a collapsed wheel on experimental car chassis 22.G.V and the examination of its spokes.18th Jun 1937Box 146 \ 2  scan0241
Supply of oversize pistons and scraper rings for a Bentley trials car.21th Jun 1937Box 146 \ 2  scan0242
Request to despatch Bentley pistons and scraper rings to the Paris Depot.21th Jun 1937Box 146 \ 2  scan0243
Investigation into wheel spokes for vehicle 22.G.V.23th Jun 1937Box 146 \ 2  scan0244
The excessive oil consumption of a 4 1/4 Litre Bentley, chassis B.260.GA, owned by Mr. Embiricos.23th Jun 1937Box 146 \ 2  scan0245
Vehicle's oil consumption, shock absorber load adjustments, and handling issues.23th Jun 1937Box 146 \ 2  scan0246
Various engine issues including connecting rod and main bearing wear, and oil leaks from crankshaft fouling.23th Jun 1937Box 146 \ 2  scan0247
High oil consumption, comparing results from steady and fast runs, and the effectiveness of different piston rings.23th Jun 1937Box 146 \ 2  scan0248
Bearing failures on 3 1/2 litre Bentley cars and proposed solutions for customer repairs.22th Jun 1937Box 146 \ 2  scan0249
Car's performance during a high-speed trial, including details on speed, braking, oil pressure, and comparisons with Bugatti cars.23th Jun 1937Box 146 \ 2  scan0250
Race report discussing the performance and mechanical issues of various cars like Alfa-Romeo, Delahaye, and Lagonda.23th Jun 1937Box 146 \ 2  scan0251
Responding to suggestions regarding petrol pumps.24th Jun 1937Box 146 \ 2  scan0252
Excessive oil consumption on the Embiricos chassis B.200.G.A.28th Jun 1937Box 146 \ 2  scan0253
Urgent request from the Showrooms to Derby for the brake horse-power of the 25/30 HP model.1st Jul 1937Box 146 \ 2  scan0254
Cover note for attached information regarding banging in the silencer.2nd Jul 1937Box 146 \ 2  scan0255
The boring and honing operations for Bentley cylinders, including tool specifications and procedures.3rd Jul 1937Box 146 \ 2  scan0256
Letter discussing inconsistent oil consumption results, bearing repairs, and fitting a new chassis with the latest bearings.5th Jul 1937Box 146 \ 2  scan0257
Production testing the B-35-KU Paris-Trials Bentley car with Duckham adcoids fuel additive.6th Jul 1937Box 146 \ 2  scan0258
Cover letter regarding a quarterly list of complaints for the 3 1/2 & 4 1/4 litre Bentley chassis.6th Jul 1937Box 146 \ 2  scan0259
Quarterly complaints report for Bentley chassis, detailing brake issues for the June quarter of 1937.30th Jun 1937Box 146 \ 2  scan0260
Quarterly report summarizing brake faults and resolutions for 3.1/2 and 4.1/4 Litre models.30th Jun 1937Box 146 \ 2  scan0261
Summary of faults and remedial actions for rear brakes, servo, and clutch systems over a six-month period.30th Jun 1937Box 146 \ 2  scan0262
Clutch and sparking plug defects, with associated remedies for 3.1/2 and 4.1/4 litre models.30th Jun 1937Box 146 \ 2  scan0263
Report page detailing vehicle faults concerning defective spark plugs and excessive oil consumption.30th Jun 1937Box 146 \ 2  scan0264
List of customer complaints and service actions taken regarding excessive oil consumption and overoiling.30th Jun 1937Box 146 \ 2  scan0265
Vehicle faults including excessive oil consumption, engine bearing slack, and connecting rod replacements.30th Jun 1937Box 146 \ 2  scan0266
Vehicle failures including connecting rods, oil pressure, and water leaks from engines, with statistics and specific case details.30th Jun 1937Box 146 \ 2  scan0267
Summary report on engine pinking and front axle control issues, detailing cases and resolutions.30th Jun 1937Box 146 \ 2  scan0268
Faults and repairs for front axle controls and transmission rattles.30th Jun 1937Box 146 \ 2  scan0269
Failures, noise, and slack in rear wheel drivers for 3.1/2 and 4.1/4 Litre models.30th Jun 1937Box 146 \ 2  scan0270
Summary of complaints and resolutions for hydraulic dampers and dynamos over a six-month period.30th Jun 1937Box 146 \ 2  scan0271
Summary of complaints and statistics regarding dynamo and S.U. petrol pump faults.30th Jun 1937Box 146 \ 2  scan0272
The performance of S.U. petrol pumps, detailing irregular operation and failures with quarterly statistics and specific case notes.30th Jun 1937Box 146 \ 2  scan0273
Leaks and noisy operation in S.U. petrol pumps for 3.1/2 and 4.1/4 Litre models.30th Jun 1937Box 146 \ 2  scan0274
Faults and modifications for S.U. petrol pumps and wing stay bolts.30th Jun 1937Box 146 \ 2  scan0275
Faults with speedometers and rattles from W.B. bumpers across different vehicle models.6th Jul 1937Box 146 \ 2  scan0276
Stating the brake horse-power of the 25/30 car with an open exhaust.6th Jul 1937Box 146 \ 2  scan0277
Cover letter for the quarterly complaints list regarding the 25/30 HP, PH.II & PH.III Chassis.13th Jul 1937Box 146 \ 2  scan0278
Quarterly complaints report detailing brake issues for various chassis models for the quarter ending June 1937.30th Jun 1937Box 146 \ 2  scan0279
Summary report on brake and servo faults, case counts, and associated remedial actions.30th Jun 1937Box 146 \ 2  scan0280
Summary report detailing various clutch complaints and remedial actions over a six-month period.30th Jun 1937Box 146 \ 2  scan0281
Engine faults and corresponding maintenance actions over two consecutive quarters.30th Jun 1937Box 146 \ 2  scan0282
Engine and exhaust system faults, statistics, and corrective actions taken on specific vehicles.30th Jun 1937Box 146 \ 2  scan0283
Faults and repairs related to vehicle exhaust systems over a six-month period.30th Jun 1937Box 146 \ 2  scan0284
Summary report on faults related to front axle controls and steering systems.30th Jun 1937Box 146 \ 2  scan0285
Summary of complaints and repairs for dynamos and electrical petrol gauges.30th Jun 1937Box 146 \ 2  scan0286
Faults and failures of S.U. petrol pumps over a six-month period.12th Jul 1937Box 146 \ 2  scan0287


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