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
Solutions for headlamp and wing movement on Bentley cars, particularly for the French market.1st Dec 1934Box 118 \ 2  scan0131
Continuation of a report regarding complaints on Bentley cars and a proposed modification.1st Dec 1934Box 118 \ 2  scan0132
Query requesting specifications for stabilising bumpers for a Bentley vehicle.1st Dec 1934Box 118 \ 2  scan0133
Sourcing of a model stabilising bumper bar from Wilmot-Breeden's.3rd Dec 1934Box 118 \ 2  scan0134
Letter to Wilmot-Breeden Ltd. confirming details about the materials and construction of a Stabiliser.4th Dec 1934Box 118 \ 2  scan0135
Grooved clips for attaching the number plate to the stabiliser springs.4th Dec 1934Box 118 \ 2  scan0136
Modification of a starting handle to suit a bumper bar fitting.4th Dec 1934Box 118 \ 2  scan0137
Requesting an official order for a Harmonic Stabiliser Bumper Bar from Wilmot-Breeden Ltd for experimental work on a Bentley.6th Dec 1934Box 118 \ 2  scan0138
Modifications required for fitting a Bentley stabiliser bumper.4th Dec 1934Box 118 \ 2  scan0139
Modifying a Bentley bumper bar for starting handle clearance.7th Dec 1934Box 118 \ 2  scan0140
Modifications to a bumper bar for fitting a Bentley starting handle.8th Dec 1934Box 118 \ 2  scan0141
Bumper bar design and its proximity to the starting handle for chassis B-11-BN.8th Dec 1934Box 118 \ 2  scan0142
New rig to measure the periodicity and natural frequency of bumper bars for the 20/25 model.8th Dec 1934Box 118 \ 2  scan0143
Test results for a W.B. Harmonic Stabiliser, detailing frequency and vibration range under various configurations.8th Dec 1934Box 118 \ 2  scan0144
Modifications and trial proposals for the Bentley starting handle and bumper bar.8th Dec 1934Box 118 \ 2  scan0145
Urgent request for the manufacture of longer U clips to enable an extra leaf spring to be fitted to a stabiliser.13th Dec 1934Box 118 \ 2  scan0146
Modification details for the starting handle and bumper bar mounting on a Bentley chassis, listing new, replacement, and obsolete parts.11th Dec 1934Box 118 \ 2  scan0147
Parts to be supplied by Wilmot-Breeden Ltd. for stabilising bumpers and their fixing.11th Dec 1934Box 118 \ 2  scan0148
Modifications to the starting handle and bumper bar mounting for Bentley chassis.12th Dec 1934Box 118 \ 2  scan0149
Urgent request to fit a Wilmot-Breeden stabiliser to chassis 1-B-IV, fabricate two missing nuts, and supply a modified starting handle.13th Dec 1934Box 118 \ 2  scan0150
Query regarding the total weight of a stabiliser buffer fitted on a Bentley chassis.14th Dec 1934Box 118 \ 2  scan0151
Requesting an official order be sent for various Bentley parts from supplier Wilmot-Breeden Ltd.17th Dec 1934Box 118 \ 2  scan0152
The types and weights of bumper bars fitted to Bentley cars.17th Dec 1934Box 118 \ 2  scan0153
Specifications and sourcing of stabilising bumpers for a Bentley.18th Dec 1934Box 118 \ 2  scan0154
Specification for a Bentley stabilising bumper with a list of particulars and modifications for the starting handle.18th Dec 1934Box 118 \ 2  scan0155
Urgent order for Stabilising Bumper Bars from a supplier.18th Dec 1934Box 118 \ 2  scan0156
Letter to Wilmot-Breeden Ltd. detailing the specification for Bentley Stabiliser type 'A'.18th Dec 1934Box 118 \ 2  scan0157
Letter querying the specification of Bentley Type 'A' Stabilisers and suggesting a design change to the bumper bars.18th Dec 1934Box 118 \ 2  scan0158
Modifications to a Bentley bumper bar following an inspection of a sample from Wilmot Breedon.18th Oct 1934Box 118 \ 2  scan0159
Internal memorandum requesting the status and urgent fitting of a stabilising bumper for a specific customer's car.19th Dec 1934Box 118 \ 2  scan0160
The specification, production difficulties, and ordering of stabilising bumpers.19th Dec 1934Box 118 \ 2  scan0161
Instructions for an experimental trial fitting of a Stabilising Bumper Bar to chassis B-157-AE.19th Dec 1934Box 118 \ 2  scan0162
Request to manufacture three sets of lightened dropped front cross members and fit a new bumper.19th Dec 1934Box 118 \ 2  scan0163
The order of stabilising bumper bars and the required modified starting handles for Bentley cars.19th Dec 1934Box 118 \ 2  scan0164
Part changes for the Bentley Chassis concerning the re-ordering of stabilising bumpers.20th Dec 1934Box 118 \ 2  scan0165
Questioning the necessity of designing a special bumper for the Bentley in-house.28th Dec 1934Box 118 \ 2  scan0166
Letter to Wilmot-Breeden Ltd. regarding the failure of a specimen Type A stabiliser cap during an endurance test.28th Dec 1934Box 118 \ 2  scan0167
Modifications for a Bentley bumper from Wilmot Breedon.29th Dec 1934Box 118 \ 2  scan0168
Graph analyzing frame movement with different wing, headlamp, and stabilizer configurations.31th Dec 1934Box 118 \ 2  scan0169
Letter from Wilmot-Breeden Ltd discussing a modification to bumper caps from zinc alloy to steel and the despatch of stabilisers.31th Dec 1934Box 118 \ 2  scan0170
Promised delivery of bumper bars for chassis B-169-CW.31th Dec 1934Box 118 \ 2  scan0171
Letter to Wilmot-Breeden Ltd. enclosing a drawing for a steel cap for type A stabilisers.1st Jan 1934Box 118 \ 2  scan0172
Modification drawing for a Bentley Stabiliser, Type A.29th Dec 1934Box 118 \ 2  scan0173
Parts required for fitting Wilmot Breeden's stabilising bumpers to a Bentley chassis.1st Jan 1935Box 118 \ 2  scan0174
The fitting of a Wilmot stabilising bumper to chassis B.169.CW.2nd Jan 1935Box 118 \ 2  scan0175
Letter to Messrs. Wilmot-Breeden Ltd. requesting six stabilisers for a Bentley to be sent by passenger train.4th Jan 1935Box 118 \ 2  scan0176
Letter from supplier Wilmot-Breeden Ltd confirming a delivery delay for Front Stabilizing Bumpers.7th Jan 1935Box 118 \ 2  scan0177
Letter from Wilmot-Breeden Ltd. concerning a delay in dispatching six bumpers and a query about supplying Type A bumpers for a Bentley.7th Jan 1935Box 118 \ 2  scan0178
Letter to Messrs. Wilmot-Breeden Ltd. regarding a delay in bumper delivery and instructions for future production.8th Jan 1935Box 118 \ 2  scan0179
Blueprints for Bentley chassis stabiliser parts being sent to the supplier, Wilmot-Breedens.12th Jan 1935Box 118 \ 2  scan0180
Suggested front stabiliser for the Spectre model, including a reference to an unfinished scheme drawing.12th Jan 1935Box 118 \ 2  scan0181
Parts for a Wilmot Breedon Bumper Bar to be sent to the Despatch Stores for shipment to Paris.14th Jan 1935Box 118 \ 2  scan0182
Letter to a supplier regarding alterations for Bentley Type A Stabilisers and associated parts.14th Jan 1935Box 118 \ 2  scan0183
Internal request to order 3 Bentley Type A Stabilisers from Wilmot-Breeden Ltd.15th Jan 1935Box 118 \ 2  scan0184
Depot sheet regarding the stabilising bumper bar for a Bentley, detailing the required modified starting handle for different car configurations.18th Jan 1935Box 118 \ 2  scan0185
Bentley Stabilising Bumper Bars and the need for modified starting handles.18th Jan 1935Box 118 \ 2  scan0186
Difficulty in estimating demand for new Bentley stabilising bumpers and suggesting an alternative part.21th Jan 1935Box 118 \ 2  scan0187
Letter to Messrs. Wilmot-Breeden Ltd. requesting a delivery date for an order of 50 Type A. Stabilisers and 3 other items.29th Jan 1935Box 118 \ 2  scan0188
Technical drawing for a section of steel for bumpers, with material specifications and heat treatment instructions.4th Sep 1934Box 118 \ 2  scan0189
Blueprint drawing for a section of steel for bumpers for a Ford B.HP'Y' 1934 model.4th Sep 1934Box 118 \ 2  scan0190
The quality and sourcing of studs and nuts for Wilmot Bumpers on Bentley Chassis.22th Feb 1935Box 118 \ 2  scan0191
Letter to supplier Wilmot-Breeden Ltd. requesting to expedite an order for Bentley Bumper Bars.23th Feb 1935Box 118 \ 2  scan0192
Letter from Wilmot-Breeden Ltd discussing the supply of bumper bars and special parts for a Bentley chassis.25th Feb 1935Box 118 \ 2  scan0193
Typed letter to Mr. W.A. Robotham regarding personal attention to future deliveries.25th Feb 1935Box 118 \ 2  scan0194
Production and supply of studs and nuts for Wilmot bumpers on Bentley chassis.5th Feb 1935Box 118 \ 2  scan0195
Specification for Wilmot Breeden Type 'A' Stabilising Bumpers for the Bentley Chassis.26th Feb 1935Box 118 \ 2  scan0196
The supply of studs and nuts for fitting Wilmot bumpers to Bentley chassis.27th Feb 1935Box 118 \ 2  scan0197
Specification for fitting Wilmot Breeden Type 'A' stabilising bumpers to a Bentley chassis, noting a replacement part.14th Mar 1935Box 118 \ 2  scan0198
Modification to Bentley Stabilising Bumper Bars to prevent a nut from working loose.19th Mar 1935Box 118 \ 2  scan0199
Modification sheet for Bentley Stabilising Bumper Bars, replacing a plain nut with a castellated one.20th Mar 1935Box 118 \ 2  scan0200
Blue Prints for the Wilmot Breeden Type 'A' Stabilising Bumpers on the Bentley Chassis.21th Mar 1935Box 118 \ 2  scan0201
Arranging for the manufacture and dispatch of a bumper from J.R. Engineering Co.27th Mar 1935Box 118 \ 2  scan0202
Article reprinted from 'The Motor' magazine describing a novel steering stabilizer device.25th Apr 1933Box 118 \ 2  scan0203
Article detailing Blue Bird's steering stabiliser, an inertia-type device also available for private cars.1st Mar 1935Box 118 \ 2  scan0204
Secret memo discussing modifications to the bumper and fixings for Spectre models.18th May 1935Box 118 \ 2  scan0205
Design, sourcing, and fitting of bumpers for the Spectre model.18th May 1935Box 118 \ 2  scan0206
Secret memo regarding the production of bumpers for Spectre by an external engineering company.21th May 1935Box 118 \ 2  scan0207
Failing clips on Wilmot bumpers fitted to a Bentley chassis.30th May 1935Box 118 \ 2  scan0208
Communication to Bentley Motors regarding dangerous bumper clips on a Paris Trials car.4th Jul 1935Box 118 \ 2  scan0209
The supply of improved nickel steel bumper clips for a Paris Trials Car and other Bentley cars in France.6th Jul 1935Box 118 \ 2  scan0210
Report from the driver of the Bentley Trials Car, B-2-GW, on the effectiveness of a newly fitted stabilising bumper.17th Jul 1935Box 118 \ 2  scan0211
Ineffectiveness of a newly fitted Bentley stabilising bumper bar and questioning its standardisation.7th Jul 1935Box 118 \ 2  scan0212
Bentley Bumper Bar's performance on chassis B-2-CW and the need for a front cross member.18th Jul 1935Box 118 \ 2  scan0213
Arranging a trial for chassis B-2-CW at the Sand Pits.19th Jul 1935Box 118 \ 2  scan0214
Failures and modifications of the Wilmot Breeden bumper on a Bentley chassis.19th Jul 1935Box 118 \ 2  scan0215
The standardisation of bumper bars and fitting new strengthened parts to customers' cars.19th Jul 1935Box 118 \ 2  scan0216
Urgent need to replace incorrect 'U' bolts and studs for Bentley chassis stabilising bumpers.19th Jul 1935Box 118 \ 2  scan0217
Urgent request for a dozen clamps and studs for Bentley chassis stabilising bumpers to be sent to Paris.20th Jul 1935Box 118 \ 2  scan0218
Standardization and pricing of a Bentley bumper bar.22th Jul 1935Box 118 \ 2  scan0219
The supply of stabilising bumpers for Bentley chassis to Paris.23th Jul 1935Box 118 \ 2  scan0220
Testing arrangements for a Bentley Bumper Bar and cross member.22th Jul 1935Box 118 \ 2  scan0221
The fitting of genuine bumpers versus stabilisers as standard for the 'Spectre' model.29th Jul 1935Box 118 \ 2  scan0222
Testing and fitting of a Bentley Bumper Bar.30th Jul 1935Box 118 \ 2  scan0223
Fitting a cross member and bumper bar to a Bentley demonstration car and arranging a test drive.3rd Sep 1935Box 118 \ 2  scan0224
Trip to London to test a Bentley Bumper Bar.6th Sep 1935Box 118 \ 2  scan0225
Seeking confirmation to proceed with negotiations to standardize J.R. Shock Absorbers on the SPECTRE model.9th Sep 1935Box 118 \ 2  scan0226
Request for a replacement front bumper for a Spectre demonstration car.10th Sep 1935Box 118 \ 2  scan0227
Acceptance and further testing requirements for the J.R. Bumper.13th Sep 1935Box 118 \ 2  scan0228
Requesting a modification to the Bentley stabilising bumper bar due to a serious failure of the spring plates.20th Sep 1935Box 118 \ 2  scan0229
Modifications to the Phantom III bumpers.8th Oct 1935Box 118 \ 2  scan0230


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