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
Rear wheel arch clearances on the Phantom II, addressing tyre rubbing issues and the need for modifications.2nd Jan 1930Box 14 \ 8  Scan201
Phantom II rear wheel arch clearances, addressing brake drum and various tyre fitment issues.2nd Jan 1930Box 14 \ 8  Scan202
Request for the dimensions of new proposed 20' tyres and rims to progress with coachwork which has been held up.2nd Jan 1930Box 14 \ 8  Scan203
Blueprints for modifications to the rear wheel arch clearances on the Phantom II.3rd Jan 1930Box 14 \ 8  Scan204
Letter concerning a subframe fouling a brake drum on chassis 22-WJ and a query about correct coachbuilding procedures.18th Jan 1930Box 14 \ 8  Scan205
Customer complaint regarding weak suspension, traced to a faulty sub-frame fitting by the body builder.2nd Jan 1930Box 14 \ 8  Scan206
Subframe and body clearance issues for Chassis 22-WJ, a Phantom II.6th Jan 1930Box 14 \ 8  Scan207
Responding to three queries regarding subframe and body fitting on chassis 22-WJ.22th Jan 1930Box 14 \ 8  Scan208
Brief thank you note regarding information on subframes.28th Jan 1930Box 14 \ 8  Scan209
Investigations into radiator shimmy, detailing experiments with frame stiffening, axle changes, and wheel sizes.29th Jan 1930Box 14 \ 8  Scan210
Modifications required for fitting a spare wheel carrier for 7' section tyres.3rd Feb 1930Box 14 \ 8  Scan211
Solutions for radiator shimmy on the Phantom II, including suspension modifications and suggestions from Mr. Royce.10th Feb 1930Box 14 \ 8  Scan212
Design proposal and sketch for a modified body mounting scheme to address chassis torsion and radiator shimmy.15th Feb 1930Box 14 \ 8  Scan213
Schemes to cure 'radiator jellying', requesting sketches for a single point body mounting.15th Feb 1930Box 14 \ 8  Scan214
Solutions for 'frame jellying' by testing different shock absorber mountings.15th Feb 1930Box 14 \ 8  Scan215
Methods of observation for the phenomenon known as 'frame jellying'.19th Feb 1930Box 14 \ 8  Scan216
Analysis of vehicle frame vibration, specifically 'frame jellying' and its relationship to high-speed wobble.19th Feb 1930Box 14 \ 8  Scan217
Analysis of vehicle frame twisting, engine movement, and wobbles, exploring solutions for 'jellying'.19th Feb 1930Box 14 \ 8  Scan218
Experiments to counteract 'jellying' by altering frame periodicity and shock damper loading.19th Feb 1930Box 14 \ 8  Scan219
Experiments on vehicle body attachments and frame damping.19th Feb 1930Box 14 \ 8  Scan220
Experiments to improve steering and reduce 'jellying' by altering the front axle assembly, which yielded no improvements.19th Feb 1930Box 14 \ 8  Scan221
Summary of the position on chassis vibration ('jellying') issues and potential solutions.19th Feb 1930Box 14 \ 8  Scan222
Page discussing the fitting of spare wheels and extra damping.19th Feb 1930Box 14 \ 8  Scan223
Blueprint showing a test rig and recording apparatus for measuring radiator movement.20th Feb 1930Box 14 \ 8  Scan224
Heavily faded typed document with a purple 'Print Room' stamp in the bottom right corner.20th Feb 1930Box 14 \ 8  Scan225
Five drawings for the application of increased stiffness to the front end of the Phantom II frame.24th Feb 1930Box 14 \ 8  Scan226
Frame modifications, including fitting a larger diameter tube near the radiator and a new shock absorber scheme.3rd Mar 1930Box 14 \ 8  Scan227
Tenth report of the design committee discussing frame jellying, rear axle failure, and battery recharging capacity.5th Mar 1930Box 14 \ 8  Scan228
Experimental subframe mounting techniques and tests on body 'booming' and engine roughness.12th Mar 1930Box 14 \ 8  Scan229
Remarks on body mounting, comparing rubber isolation to metal-to-metal contact.12th Mar 1930Box 14 \ 8  Scan230
Tests conducted to resolve 'frame and radiator jellying' issues.12th Mar 1930Box 14 \ 8  Scan231
Explanation of measurements shown on an attached print, relating to various curves that demonstrate engine mounting, frame stiffness, and radiator movement.15th Mar 1930Box 14 \ 8  Scan232
Historical problems with subframe mounting and the justification for adding a central support.15th Mar 1930Box 14 \ 8  Scan233
Methods for mounting the car body to the chassis to reduce rolling and engine vibrations.15th Mar 1930Box 14 \ 8  Scan234
Testing requirements for body sub-frames and engine mountings prior to standardisation.15th Mar 1930Box 14 \ 8  Scan235
Wheel arch clearances and rear track dimensions for the P.2. vehicle.7th Apr 1930Box 14 \ 8  Scan236
Proposed improvements for an experimental car to address frame jellying, steering, and engine smoothness.14th Apr 1930Box 14 \ 8  Scan237
Requesting drawings for a subframe for the 26-EX car, needed by May 2nd.24th Apr 1930Box 14 \ 8  Scan238
Specifying the chassis number 26-KX for a Continental Phantom II and its production schedule.24th Apr 1930Box 14 \ 8  Scan239
Modifications to the scuttle, dashboard, and subframe for a Phantom II experimental car.28th Apr 1930Box 14 \ 8  Scan240
Providing instructions on the subframe for a Continental car, specifying it should be the standard Universal Type.28th Apr 1930Box 14 \ 8  Scan241
Solutions for radiator jellying, inertia dampers, and universal body mounting.5th May 1930Box 14 \ 8  Scan242
Continued memorandum outlining three methods for insulating a vehicle's power unit, body, and passengers from vibrations.5th May 1930Box 14 \ 8  Scan243
Issues and required improvements for body mounting and chassis isolation.21th May 1930Box 14 \ 8  Scan244
Investigation into chassis and body-related noise and vibration issues, including 'boom' and 'rumble'.21th May 1930Box 14 \ 8  Scan245
Body mounting, scuttle isolation, and recommendations for front and rear aprons.24th May 1930Box 14 \ 8  Scan246
Modifications to body mounting, exhaust, and subframe support to improve smoothness and reduce fumes.24th May 1930Box 14 \ 8  Scan247
New cantilever battery support (N. scheme 3114) for the Phantom II model.29th May 1930Box 14 \ 8  Scan248
Design of a cantilever support for a left-hand chassis battery with a universal subframe.6th Jun 1930Box 14 \ 8  Scan249
Body rattles attributed to the P.2 subframe and defending it against blame for the issues.16th Jun 1930Box 14 \ 8  Scan250
The mileage and body condition of five Phantom II cars fitted with sub-frame bodies.18th May 1930Box 14 \ 8  Scan251
Condition of car bodies, focusing on window rattles and the benefits of using a subframe to increase body longevity.18th May 1930Box 14 \ 8  Scan252
The time taken to mount subframe versus non-subframe bodies and the advantages of the subframe.25th Jun 1930Box 14 \ 8  Scan253
Decision to order universal subframes for the N.2 series.25th Jun 1930Box 14 \ 8  Scan254
Modifications to the subframe on the 25-EX model, painting, and fitting of accessories.25th Jun 1930Box 14 \ 8  Scan255
Tests of completed cars detailing issues with subframe support and body alignment.26th Jun 1930Box 14 \ 8  Scan256
Standardization of the N.2 series universal type subframe, pending a 10,000-mile test.27th Jun 1930Box 14 \ 8  Scan257
Process and advantages of using subframes and subframe jigs for body assembly.27th Jun 1930Box 14 \ 8  Scan258
Body mounting alignment with coachbuilder Hoopers and proposing the use of a dummy subframe to ensure correct fitting.25th Jun 1930Box 14 \ 8  Scan259
Typed letter arranging a meeting regarding sub-frames with Mr. Carpenter of Hoopers.30th Jun 1930Box 14 \ 8  Scan260
Extract from a report on completed car tests, regarding a request to the Works for more accurate subframe production.5th Jul 1930Box 14 \ 8  Scan261
Extract detailing issues with the P.2. model's rear wheel arch, subframe centre bearing, and subframe manufacturing.15th Jul 1930Box 14 \ 8  Scan262
Body interchangeability and a specific issue with the body runner bracket in the subframe.22th Jul 1930Box 14 \ 8  Scan263
Failure of subframe rear support brackets on P.2. cars and requesting an investigation.22th Jul 1930Box 14 \ 8  Scan264
Arguing against the use of wooden subframes and in favor of metal ones for RRAI, citing issues with wood in American climates.22th Jul 1930Box 14 \ 8  Scan265
Third failure of a P.2 Subframe Rear Support Bracket.23th Jul 1930Box 14 \ 8  Scan266
Failure and redesign of the Phantom II subframe rear support bracket.24th Jul 1930Box 14 \ 8  Scan267
Diagram with notes illustrating a design modification to strengthen a bracket at its weak points.24th Jul 1930Box 14 \ 8  Scan268
Blueprint for a strengthened rear support for the Phantom II subframe.24th Jul 1930Box 14 \ 8  Scan269
Deletion of subframes from a contract and the method of mounting bodies without them.25th Jul 1930Box 14 \ 8  Scan270
The investigation of subframes for the American operation (R.R.A.I.).29th Jul 1930Box 14 \ 8  Scan271
Subframe for the L.H. P.ll, its vibration issues, and the suitability of wood in car bodies.28th Jul 1930Box 14 \ 8  Scan272
Letter concluding a discussion on problems with Brewster bodies, signed by Maurice Olley.2nd Sep 1930Box 14 \ 8  Scan273
Sub-frames, spare wheels, and chassis blueprints for the L.A.P. II Chassis project.2nd Sep 1930Box 14 \ 8  Scan274
Sg. to BY regarding the supply of blueprints requested by Mr. Beaver.2nd Sep 1930Box 14 \ 8  Scan275
Tests on the Phantom II chassis regarding the removal of the flexible subframe mounting.3rd Sep 1930Box 14 \ 8  Scan276
The use of subframes on the 20 HP model and the standard placement for spare wheels.3rd Sep 1930Box 14 \ 8  Scan277
Instructing a department to omit the subframe from the American L.H. Phantom II chassis programme.3rd Sep 1930Box 14 \ 8  Scan278
Request to confirm work on a universal subframe for a short type Phantom chassis.10th Oct 1930Box 14 \ 8  Scan279
Conference report detailing subframe fitting issues and agreed accuracy limits.2nd Oct 1930Box 14 \ 8  Scan280
List of specifications and agreed procedures for body mounting, including subframe dimensions, rear axle alignment, and bonnet contouring.11th Oct 1930Box 14 \ 8  Scan281
The subframe for car 27-EX being sent to Messrs. Park Wards and the chassis specification.11th Oct 1930Box 14 \ 8  Scan282
Questioning the request for wider wheels on a car, citing reduced maneuverability and potential legal issues in Europe.21th Oct 1930Box 14 \ 8  Scan283
Implications of fitting new wheels to the Phantom II model.24th Oct 1930Box 14 \ 8  Scan284
Recommendation to reduce the wheel cone angle to prevent paint damage on the spokes.19th Aug 1930Box 14 \ 8  Scan285
Standardisation document for the universal subframe and related chassis parts.19th Aug 1930Box 14 \ 8  Scan286
Letter to Mr. Hives discussing the technical advantages of a three-point body subframe support system.26th Jan 1931Box 14 \ 8  Scan287
Analysis of sill bending loads and the effects of moving rear support points.23th Jun 1930Box 14 \ 8  Scan288
Fundamentals of body construction, load distribution, and bending moments.23th Jun 1930Box 14 \ 8  Scan289
Fundamentals of body construction, including load distribution and bending moments.23th Jun 1930Box 14 \ 8  Scan290
Design analysis for an ideal car sill, comparing uniform and concentrated load calculations.23th Jun 1930Box 14 \ 8  Scan291
Report discussing chassis and body interferences concerning crossmembers, hangers, and wheel housing clearance.23th Jun 1930Box 14 \ 8  Scan292
Proposed body suspension designs, experimental body construction, and patent considerations.2nd Mar 1931Box 14 \ 8  Scan293
Design improvements for the rear spring front anchorage.2nd Mar 1931Box 14 \ 8  Scan294
Strongly disagreeing with a report to discontinue using subframes, citing past failures and suggesting further testing.7th Feb 1931Box 14 \ 8  Scan295
Reviewing the use and cost-effectiveness of subframes, particularly on the 25 HP model.5th Mar 1931Box 14 \ 8  Scan296
From Sg. to Hs. regarding the need to discuss subframes before making a decision.9th Mar 1931Box 14 \ 8  Scan297
Frame jellying and steering tests conducted on three experimental Phantom II cars with varying configurations.1st Apr 1931Box 14 \ 8  Scan298
Engine booming and induction roar in car 27-EX, comparing its performance to car 26-EX.21th Apr 1931Box 14 \ 8  Scan299
Test report on an undamped frame stiffener to combat 'jellying' on car 25-EX.21th Apr 1931Box 14 \ 8  Scan300


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