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
Sketch illustrating the modification of funnels, comparing a new design with an old design.4th Mar 1938Box 99 \ 2  scan0149
Graph from a rubber bearing test, plotting load versus deflection for longitudinal spindle movement under end thrust.4th Mar 1938Box 99 \ 2  scan0150
Photograph of two cylindrical metal and rubber bushings.4th Mar 1938Box 99 \ 2  scan0151
Note comparing Yoke Bearings (Inlox vs. Silentbloc) after 1420 hours of operation.4th Mar 1938Box 99 \ 2  scan0152
Photograph showing two cylindrical metal and rubber bushings.4th Mar 1938Box 99 \ 2  scan0153
Hower lever bearings.4th Mar 1938Box 99 \ 2  scan0154
Photograph of a two-piece rubber mounting block with integrated studs.4th Mar 1938Box 99 \ 2  scan0155
Note on a modified rear engine mounting after 24 hours of running.4th Mar 1938Box 99 \ 2  scan0156
Photograph showing two acorn-shaped rubber buffers with threaded studs.4th Mar 1938Box 99 \ 2  scan0157
Short handwritten note regarding Rebound Buffers.4th Mar 1938Box 99 \ 2  scan0158
Photograph showing the components of a failed ball joint assembly.4th Mar 1938Box 99 \ 2  scan0159
Note with a photograph showing an off-side torque arm and spherical rubber after use.4th Mar 1938Box 99 \ 2  scan0160
Close-up photograph of a fabricated metal mounting bracket bolted to a chassis frame.4th Mar 1938Box 99 \ 2  scan0161
Off-side central bracket for lower arm pivots.4th Mar 1938Box 99 \ 2  scan0162
Photograph showing a close-up of a front stub axle and steering arm assembly.4th Mar 1938Box 99 \ 2  scan0163
Note on an off-side yoke bearing with a Silentbloc component after 1750 hours of use.4th Mar 1938Box 99 \ 2  scan0164
Close-up photograph of a suspension or brake component with a tag labelled '1' inside a brake drum.4th Mar 1938Box 99 \ 2  scan0165
Condition of a Yoke Bearing and Inlox bushing after 1750 hours of use.4th Mar 1938Box 99 \ 2  scan0166
A modification to hover arm bearings after a certain number of hours.4th Mar 1938Box 99 \ 2  scan0168
Close-up photograph showing a complex welded joint on a heavy metal chassis or frame component.4th Mar 1938Box 99 \ 2  scan0169
The bottom flange of a 0.5 gusset after 32 hours.4th Mar 1938Box 99 \ 2  scan0170
Close-up photograph of a fabricated or cast metal component, showing details of joints, welds, and a crack.4th Mar 1938Box 99 \ 2  scan0171
The condition of a bottom flange of a side member after 32 hours.4th Mar 1938Box 99 \ 2  scan0172
Close-up photograph of a complete fracture in a welded metal component.4th Mar 1938Box 99 \ 2  scan0173
The condition of bottom flanges and a gusset on a scale member after a duration.4th Mar 1938Box 99 \ 2  scan0174
The state of a bump buffer after 32 hours.2nd Feb 1938Box 99 \ 2  scan0176
Photograph of a Bentley 111 Bump Chassis torque arm made from pressed steel, following a failure test.2nd Feb 1938Box 99 \ 2  scan0177
Photograph of a failed aluminium torque arm from a Bentley III after bump chassis testing.2nd Feb 1938Box 99 \ 2  scan0178
A central bracket for lower levers.2nd Feb 1938Box 99 \ 2  scan0180
Close-up photograph showing the welded joints of a metal chassis or frame component.2nd Feb 1938Box 99 \ 2  scan0181
The bottom flange of a near side gusset after 32 hours.2nd Feb 1938Box 99 \ 2  scan0182
On a mostly blank document describing specific vehicle components.2nd Feb 1938Box 99 \ 2  scan0184
Photograph showing a clean cut or fracture through a large metal beam or chassis member.2nd Feb 1938Box 99 \ 2  scan0185
Photograph showing the bottom flange and web of an O.S side member after 32 hours.30th Mar 1938Box 99 \ 2  scan0186
Estimate for motor frame pressings including sidemembers, gussets, and cruciforms.30th Mar 1938Box 99 \ 2  scan0187
Tabular record of parts, costs, and allocations for Bentley III frames.24th Feb 1938Box 99 \ 2  scan0188
Cost summary for frames ordered and delivered, with a recommendation for an additional payment.4th Apr 1938Box 99 \ 2  scan0189
Recommendation regarding rear frame deflection due to jacking, with proposed modifications.4th Apr 1938Box 99 \ 2  scan0190
Frame deflection measurements with notes on strengthening and clearance.4th Apr 1939Box 99 \ 2  scan0191
Diagram illustrating a test for frame deflection due to jacking.6th Apr 1938Box 99 \ 2  scan0192
Letter to Briggs Motor Bodies Ltd. concerning the production of longer chassis frames and press die suitability.6th Apr 1938Box 99 \ 2  scan0193
Letter from Briggs Motor Bodies Ltd. discussing frame lengths and press capacity.7th Apr 1938Box 99 \ 2  scan0194
Letter to Briggs Motor Bodies discussing vehicle frame lengths and arranging a meeting with Mr. Tjaarda.8th Apr 1938Box 99 \ 2  scan0195
Production and development costs for B.III and B.50 frames from various suppliers.11th Apr 1938Box 99 \ 2  scan0196
Letter from John Thompson Motor Pressings Ltd. regarding the cost and supply of Bentley Frames.14th Apr 1938Box 99 \ 2  scan0197
Estimate from John Thompson Motor Pressings Ltd for six experimental frames and associated parts.15th Apr 1938Box 99 \ 2  scan0198
Letter to John Thompson Motor Pressings Ltd. confirming instructions for the assembly of three short frames.25th Apr 1938Box 99 \ 2  scan0199
Request to send a covering order to Thompsons for three Bentley III frames.26th Apr 1938Box 99 \ 2  scan0200
Letter from John Thompson Motor Pressings Ltd. acknowledging an order for three short frames and associated parts.26th Apr 1938Box 99 \ 2  scan0201
Order of three B.III frames from Thompsons, including part numbers and assembly instructions.27th Apr 1938Box 99 \ 2  scan0202
Supplementary payment to a supplier for experimental frames.27th Apr 1938Box 99 \ 2  scan0203
Letter from John Thompson Motor Pressings Ltd. regarding the costs and supply of Bentley Frames.14th Apr 1938Box 99 \ 2  scan0204
Letter to John Thompson Motor Pressings Ltd. concerning the production of frames and enclosing new drawings.29th Apr 1938Box 99 \ 2  scan0205
Required and obsolete parts for the Bentley III chassis rear frame end.29th Apr 1938Box 99 \ 2  scan0206
Letter from John Thompson Motor Pressings Ltd regarding receipt of a letter, drawings for a rear boxing, and a new arrangement drawing.4th May 1938Box 99 \ 2  scan0207
Instructions to John Thompson regarding the delivery and specifications for three new B.III frames.4th May 1938Box 99 \ 2  scan0208
Parts list for a Bentley III chassis, detailing frame and fittings to be sent to Messrs. John Thompson.5th May 1938Box 99 \ 2  scan0209
Letter to John Thompson Motor Pressings Ltd. regarding specifications for new Bentley frames.6th May 1938Box 99 \ 2  scan0210
Forwarding of revised blueprints for the Bentley III chassis frame and fittings.11th May 1938Box 99 \ 2  scan0211
Letter to John Thompson Motor Pressings Ltd. regarding replacement prints and upcoming detail drawings.19th May 1938Box 99 \ 2  scan0212
Letter from John Thompson Motor Pressings Ltd. acknowledging receipt of replacement prints for F.B.3658.20th May 1938Box 99 \ 2  scan0213
Letter regarding the dispatch of drawings for frame brackets and gussets to John Thompson Motor Pressings Ltd.21th May 1938Box 99 \ 2  scan0214
Letter to Briggs Motor Bodies Ltd. requesting a quotation for 1000 unplated pressings.23th May 1938Box 99 \ 2  scan0215
Letter from John Thompson Motor Pressings Ltd enclosing detail drawings for Frame Brackets and Frame Gussets.23th May 1938Box 99 \ 2  scan0216
Letter to John Thompson Motor Pressing Ltd. concerning a change in rivet size for experimental frames.1st Jun 1938Box 99 \ 2  scan0217
Letter from John Thompson Motor Pressings Ltd regarding the use of 3/8' diameter rivets on experimental frames.3rd Jun 1938Box 99 \ 2  scan0218
Parts list detailing additions and replacements for the Bentley III Chassis, focusing on the frame, rear springs, and tools.4th Aug 1938Box 99 \ 2  scan0219
Parts and instructions for shortening a vehicle frame and supplying rear bumper components.4th Aug 1938Box 99 \ 2  scan0220
Instruction to produce drawings for fitting a Silver Wraith Front Cross Member to specific Bentley chassis.22th Sep 1938Box 99 \ 2  scan0221
Letter requesting the arc welding of a returned Bentley III frame.28th Oct 1938Box 99 \ 2  scan0222
Blueprint changes and part requirements for the Bentley 111 chassis rear axle buffer.1st Nov 1938Box 99 \ 2  scan0223
Alterations and additional parts for the B.III frame.11th Nov 1938Box 99 \ 2  scan0224
Parts, tooling costs and manufacturing plans for the first 500 chassis.11th Nov 1938Box 99 \ 2  scan0225
The ordering of two experimental B.III frames for chassis 11.B.5 and 12.B.5.11th Nov 1938Box 99 \ 2  scan0226
Parts list and blueprint request for modifications to the Bentley 111 chassis frame and exhaust fittings.23th Nov 1938Box 99 \ 2  scan0227
List of five Bentley frames on order from Thompson's, arranged by urgency with component specifications.6th Dec 1938Box 99 \ 2  scan0228
Parts list for an 11'1' wheelbase with a 'V' type front crossmember and bumper.14th Dec 1938Box 99 \ 2  scan0229
Scheme for a rear frame extension and jack bracket for the Bentley 5 frame.14th Dec 1938Box 99 \ 2  scan0230
Authorisation to pay John Thompson Ltd. for welding one B.V. frame.30th Dec 1938Box 99 \ 2  scan0231
The Bentley 111 fan and fan drive, noting exceptions compared to the Wraith III design.20th Nov 1937Box 99 \ 3  scan0001
Proposal for a new fan mounting scheme for Wraith & B.III models using Ferodo 'Fero-grip' belts, eliminating the need for adjustment.8th Feb 1938Box 99 \ 3  scan0002
Request to design a modified, common fan mounting for the Wraith and Bentley III models.18th Feb 1938Box 99 \ 3  scan0003
Change of material for fan blades on Wraith and B.III models.26th Feb 1938Box 99 \ 3  scan0004
Requesting a factory cost comparison for a revised fan mounting for the Wraith and B.III models.3rd Mar 1938Box 99 \ 3  scan0005
List of new drawings for the Bentley 111 fan assembly, including pulleys, hubs, and an adjusting bracket.30th Apr 1938Box 99 \ 3  scan0006
Modifications to the fan spindle for Bentley 111 Chassis 5220.6th May 1938Box 99 \ 3  scan0007
Instruction to modify a Phantom III fan flange and blades to be fitted on a B.III hub for testing.17th May 1938Box 99 \ 3  scan0008
Instructions for an endurance test on 'Ferrogrip' belts for a Bentley 111 fan and spring drive assembly.25th May 1938Box 99 \ 3  scan0009
Revision to the Bentley III chassis fan blade, reducing its length.13th Jul 1938Box 99 \ 3  scan0010
Request to detail the parts needed to adapt a standard B.II fan blade set and flange onto a B.III fan, and correct the speed ratio.19th Jul 1938Box 99 \ 3  scan0011
Modified fan parts, replacements, and blueprints for a Bentley 111.11th Aug 1938Box 99 \ 3  scan0012
Flexible bladed fan for the B.III engine, including a mould scheme from British Goodrich.5th Sep 1938Box 99 \ 3  scan0013
Parts list and instructions for an experimental Bentley 111 Fan assembly.20th Sep 1938Box 99 \ 3  scan0014
Instruction to receive new L.O.P. blueprints for the fan on the Bentley III & Bentley 50 Chassis.14th Oct 1938Box 99 \ 3  scan0015
Parts list and instruction memo for a Bentley 111 Fan, specifying new drawings and standard components for 3 sets.11th Nov 1938Box 99 \ 3  scan0016
Request to fit Wraith fan blades made of 'Duralumin' to a Bentley III fan flange for testing by Ferodo Ltd.21th Nov 1938Box 99 \ 3  scan0017
Instruction regarding fan blade material and grease for Wraith and B.V. models.25th Nov 1938Box 99 \ 3  scan0018
Request for an adaptor to test a B.V. flexible blade fan on a Phantom III fan hub for Messrs. Ferodo's test rig.1st Dec 1938Box 99 \ 3  scan0019
Required blueprints and parts for a Bentley 5 Fan to be used on the Phantom III Fan testing rig.8th Dec 1938Box 99 \ 3  scan0020
Instructing the fitting of backing strips to a flexible bladed fan.7th Feb 1939Box 99 \ 3  scan0021


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