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
Graph of vehicle performance readings, including temperatures and fuel consumption, recorded at 25-mile intervals.2nd Aug 1934Box 82 \ 2  scan0184
Hand-drawn performance graph tracking vehicle metrics such as speed, fuel consumption, and temperatures over several days.2nd Aug 1934Box 82 \ 2  scan0185
Graph charting petrol consumption, water, oil, and air temperatures taken every 25 miles over three days.6th Sep 1934Box 82 \ 2  scan0186
Instruction to fit a Terrplane clutch to a chassis before installing the B-1 unit.6th Sep 1934Box 82 \ 2  scan0187
Failure of Kelmit big end bearings on 20/25 and Bentley models and the switch to lead bronze bearings.7th Sep 1934Box 82 \ 2  scan0188
Clarifying the testing status of a dropped front cross member for car 4-B-IV.19th Sep 1934Box 82 \ 2  scan0189
Requesting the results for a 15,000-mile test car trial that ended in a breakdown due to big ends running out.7th Sep 1934Box 82 \ 2  scan0190
Clarifying a confusion between two different dropped cross members designed for the Bentley.8th Sep 1934Box 82 \ 2  scan0191
Photograph of a failed flexible pipe or hose, sectioned to show internal structure.10th Sep 1934Box 82 \ 2  scan0192
Requesting the urgent fitting of a cross member between headlamps onto a specific trials car for testing purposes.10th Sep 1934Box 82 \ 2  scan0193
Trial of a higher compression head on a Bentley experimental car.19th Sep 1934Box 82 \ 2  scan0194
Request for a Bentley larger oil pump to be returned from France to England.19th Sep 1934Box 82 \ 2  scan0195
Engine detonation issues with a high-compression streamlined Bentley.22th Sep 1934Box 82 \ 2  scan0196
The overhaul and performance testing of a B-7 unit, detailing issues with gear backlash and adjustments to valve timing.27th Sep 1934Box 82 \ 2  scan0197
Engine performance tests, modifications to the cylinder block and gears, and analysis of piston friction, gear rattle, and whine.27th Sep 1934Box 82 \ 2  scan0198
Resolving noise issues in a balancing cam mechanism and tappets by fitting new parts.15th Sep 1934Box 82 \ 2  scan0199
Performance curves for a B.7 Unit engine with Aerolite Pistons, comparing different valve timings and cylinder configurations.15th Sep 1934Box 82 \ 2  scan0200
Chassis repairs for car 5-B-IV and arranging a coachwork inspection at Derby.13th Jun 1935Box 82 \ 2  scan0201
Outlining arrangements for testing and inspecting French coach-built cars, including the Paris Trials Car and a Van Vooren bodied car.13th Jun 1935Box 82 \ 2  scan0202
Requesting information from the 15,000 miles test report for standardisation purposes.13th Jun 1935Box 82 \ 2  scan0203
Correspondence regarding a delay in inspecting a car body due to Mr. Ward of Park Ward being on holiday.14th Jun 1935Box 82 \ 2  scan0204
The standardization of parts for the 10,000 Miles Car, listing items cleared for production and those for which standardization has started.14th Jun 1935Box 82 \ 2  scan0205
Component parts performance report following a 10,000-mile test.14th Jun 1935Box 82 \ 2  scan0206
List of standard parts causing trouble that are scheduled for alteration and improvement.14th Jun 1935Box 82 \ 2  scan0207
Requesting an examination of the gearbox, back axle, and servo from car 5-B-IV after running on a new lubricant.18th Jun 1935Box 82 \ 2  scan0208
Authorisation to pay an invoice for two Lockhead flexes ordered by telephone.24th Jun 1935Box 82 \ 2  scan0209
Official order for two Lockhead Flexes from S. Smith & Sons Ltd.25th Jun 1935Box 82 \ 2  scan0210
Telegram from Robotham to Hancock in France regarding tests to cure vapour lock.25th Jun 1935Box 82 \ 2  scan0211
Arranging for a 5-B-IV frame and body to be sent to Park Wards for coachwork repairs.27th Jun 1935Box 82 \ 2  scan0212
Instruction to arrange delivery of a 5-B-IV Bentley chassis to Park Wards.27th Jun 1935Box 82 \ 2  scan0213
Letter from the Experimental Department confirming the dispatch of a chassis and body to Park Ward & Co. Ltd.27th Jun 1935Box 82 \ 2  scan0214
Specification for a new chassis, detailing 18 engine components.27th Mar 1934Box 82 \ 3  scan0001
List of specifications for the chassis and brake components.27th Mar 1934Box 82 \ 3  scan0002
Numbered list of vehicle component specifications and revisions, page 3.27th Mar 1934Box 82 \ 3  scan0003
Requesting a specific crankshaft for model 5-B-IV and discussing manufacturing constraints.10th Apr 1934Box 82 \ 3  scan0004
Specification for the Engine having the 1' wide Crank Pins with lead bronze Connecting Rod Bearings.14th May 1934Box 82 \ 3  scan0005
Completed body and chassis specification for the New Bentley 5-B-IV.18th May 1934Box 82 \ 3  scan0006
Revisions to a chassis specification by listing 18 changes to be incorporated into the engine.18th May 1934Box 82 \ 3  scan0007
List of specifications and modifications for a vehicle chassis.18th May 1934Box 82 \ 3  scan0008
List of specifications for various vehicle components, including the dashboard, pedals, and springs.18th May 1934Box 82 \ 3  scan0009
Schematic diagram of a brake linkage system for model 5 B IV, including lever lengths and ratios.18th May 1934Box 82 \ 3  scan0010
Blueprint for a Peregrine multiplate servo for direct braking to all wheels.18th May 1934Box 82 \ 3  scan0011
Amendment adding a Dropped Front Cross Member and Lamp Standard to a specification.31th May 1934Box 82 \ 3  scan0012
Request to fit a front cross member to a Bentley 5 car to eliminate headlamp and wing movement.9th Jul 1934Box 82 \ 3  scan0013
Requesting the addition of five specific components to the specification of a Bentley 5 Car.27th Jul 1934Box 82 \ 3  scan0014
Directive to change the gearbox specification for the Bentley 5-B-IV from a Peregrine to a standard 20/25 gearbox due to production issues.2nd Jun 1934Box 82 \ 3  scan0015
Delays with a Bentley 5 car body and a proposal to amend the gearbox specification to simplify the build.3rd Aug 1934Box 82 \ 3  scan0016
Confirmation to fit a temporary unit to vehicle 5-B-IV for it to be sent to the Coachbuilders.7th Sep 1934Box 82 \ 3  scan0017
Two design schemes, prioritizing one for front axle control to resolve buckled spring issues and reduce 'jellying'.13th Sep 1934Box 82 \ 3  scan0018
Two new designs for the 5-B-IV project: a clutch and a front engine mounting.19th Sep 1934Box 82 \ 3  scan0019
Requesting modifications for a 10,000-mile test on a Bentley B-10 unit with a narrow pin crankshaft.3rd Oct 1934Box 82 \ 3  scan0020
Specification for model 5-B-IV and suggesting a final diagram for the brake layout.3rd Oct 1934Box 82 \ 3  scan0021
Specification sheet detailing the components and modifications for the Engine (B-10 Unit).3rd Oct 1934Box 82 \ 3  scan0022
List of part specifications and modifications for a vehicle's chassis and engine.3rd Oct 1934Box 82 \ 3  scan0023
Numbered list of technical specifications and modifications for various vehicle components.3rd Oct 1934Box 82 \ 3  scan0024
Request to send a set of aluminium shields and brackets for headlamp pillars to Messrs. Park Ward for an Experimental Chassis.4th Oct 1934Box 82 \ 3  scan0025
The final specification for chassis and engine 5-B-IV and the streamlined car.10th Oct 1934Box 82 \ 3  scan0026
Specification sheet detailing the components and modifications for an engine (B-10 Unit).10th Oct 1934Box 82 \ 3  scan0027
Specification sheet detailing modifications to engine and chassis components.10th Oct 1934Box 82 \ 3  scan0028
List of technical specifications and updates for various vehicle components.10th Oct 1934Box 82 \ 3  scan0029
Specification for a lightened exhaust system for a 10,000-mile trial on a 5-B-IV model.12th Oct 1934Box 82 \ 3  scan0030
Lightened exhaust system for 5-B-IV, detailing weight savings and material specifications.12th Oct 1934Box 82 \ 3  scan0031
Request to draw up a scheme for a cut-out on the exhaust system for model 5-B-IV.15th Oct 1934Box 82 \ 3  scan0032
Requesting to fit a Spectre type fuel pump to chassis 5-B-IV, detailing the required modifications.16th Oct 1934Box 82 \ 3  scan0033
Dispatch request for a front apron, fittings, and horns to be sent to Messrs. Park Ward.17th Oct 1934Box 82 \ 3  scan0034
Dispatch of a Front Apron and Horns for car 5-B-IV to Messrs. Park Wards.17th Oct 1934Box 82 \ 3  scan0035
Fitting heavier brake drums with deeper ribs to model 5-B-IV to combat high temperatures.19th Oct 1934Box 82 \ 3  scan0036
Instruction to use Wakefield Hi-Press oil for a rear axle, specifically noting not to use Whitmore oil.25th Oct 1934Box 82 \ 3  scan0037
Modification to the rear silencer of an exhaust system.25th Oct 1934Box 82 \ 3  scan0038
Communication regarding the feasibility of fitting Marschall headlamps to a model 5-B-4 without special brackets.26th Oct 1934Box 82 \ 3  scan0039
Requesting a progress update on 5-B-IV, stating that parts are ready for a 10,000-mile chassis run.26th Oct 1934Box 82 \ 3  scan0040
List of modifications and features incorporated into the 10,000 Miles Bentley chassis, model 5-B-IV.26th Oct 1934Box 82 \ 3  scan0041
Numbered list detailing vehicle component specifications and modifications for an engine.26th Oct 1934Box 82 \ 3  scan0042
The approximate start date for a test on Bentley Car 5-B-IV.29th Oct 1934Box 82 \ 3  scan0043
Implementation of adjustable brake ropes for the 5-B-IV brake layout.29th Oct 1934Box 82 \ 3  scan0044
Inquiring if a lightened front crossmember modification is still to be fitted to chassis 5-B-IV.29th Oct 1934Box 82 \ 3  scan0045
Testing a lightened type cross member on one car before fitting it to another.30th Oct 1934Box 82 \ 3  scan0046
Short typed memo regarding the fitting of Smith Jacks to a vehicle, model 5-B-IV.30th Oct 1934Box 82 \ 3  scan0047
Fitting superior Ferodo B.Z. brake linings to model 5-B-IV.2nd Nov 1934Box 82 \ 3  scan0048
Requesting a Crankcase Lower Half for the Magnesium Castings for 5-B-IV.2nd Nov 1934Box 82 \ 3  scan0049
Request to dispatch a complete kit of tools to Messrs. Park Ward for a chassis having its body fitted.2nd Nov 1934Box 82 \ 3  scan0050
Letter to Park Ward & Co. Ltd. clarifying confusion regarding the despatch of tool kits for chassis models 4-B-IV and 5-B-IV.5th Nov 1934Box 82 \ 3  scan0051
Confirming a car will be ready for collection on a specific date.8th Nov 1934Box 82 \ 3  scan0052
Follow-up note regarding the start of testing for Bentley Car 5-B-IV.8th Nov 1934Box 82 \ 3  scan0053
Car's delay from the coachbuilders, required modifications including a new clutch and bumper, and urgent work on a Bentley.9th Nov 1934Box 82 \ 3  scan0054
Requesting a driver to collect vehicle 5-B-IV from Park Wards and bring it to Derby.9th Nov 1934Box 82 \ 3  scan0055
Request to produce engine side guards without louvres for a Bentley due to a customer complaint about snow ingress.13th Nov 1934Box 82 \ 3  scan0056
Front, rear, and total weight measurements.15th Nov 1934Box 82 \ 3  scan0057
The creation of front and rear number plates for car 5-B-IV.16th Nov 1934Box 82 \ 3  scan0058
Request for the weights of various car body extras and components.19th Nov 1934Box 82 \ 3  scan0059
Requesting an order for a special rear number plate for a car.26th Nov 1934Box 82 \ 3  scan0060
Request for the weights of various car body modifications and a standard Bentley part.26th Nov 1934Box 82 \ 3  scan0061
Copy of a request to cast one front number plate for a car with registration RC.2344.26th Nov 1934Box 82 \ 3  scan0062
Letter to S. Smith & Co. regarding a fractured Jackall jack bracket from a 5-B-IV chassis.26th Nov 1934Box 82 \ 3  scan0063
Letter discussing fitting brackets to a car in the shop and the satisfactory condition of the jacks.26th Nov 1934Box 82 \ 3  scan0064
The coachwork weight and complete kerb weight of a car with non-standard features.26th Nov 1934Box 82 \ 3  scan0065
Refitting of hydraulic jacks with modified front brackets on chassis 5-B-IV.27th Nov 1934Box 82 \ 3  scan0066
Hydraulic jacks on 5-B-IV, attaching a drawing for front and rear axle fittings.28th Nov 1934Box 82 \ 3  scan0067
Excessive weight of the coachwork on an experimental car.28th Nov 1934Box 82 \ 3  scan0068
Weight of the experimental car 5-B-IV body compared to standard Bentley Saloons.1st Dec 1934Box 82 \ 3  scan0069


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