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
Importance of reducing windage and aerodynamic drag in future car designs.22th Feb 1938Box 161 \ 1  scan0088
Analysis of the performance benefits of the 'Paulin' Bentley compared to the standard model at various speeds.22th Feb 1938Box 161 \ 1  scan0089
Summary of windage reduction knowledge and recommendations for streamlined body designs on Bentley models.22th Feb 1938Box 161 \ 1  scan0090
Illustrations of two Bugatti Type 57 cabriolet designs.22th Feb 1938Box 161 \ 1  scan0091
Page of illustrations featuring streamlined car body designs from Peugeot and Delage.22th Feb 1938Box 161 \ 1  scan0092
Illustrations of two Figoni-bodied Delahaye cars, a closed coupe and a roadster-sport.23th Feb 1938Box 161 \ 1  scan0093
Brake modification specifications for the Embiricos car, detailing aluminium front drums and standard rear iron drums.23th Feb 1938Box 161 \ 1  scan0094
Enquiry about the 'Streamlined Bentley'.23th Feb 1938Box 161 \ 1  scan0095
Responding to remarks on chassis details, brake drums, noise insulation and instrument quality.25th Feb 1938Box 161 \ 1  scan0096
Letter from Rm to Sleator discussing radiator options and a performance-enhancing cut-out for the Embiricos' chassis.28th Feb 1938Box 161 \ 1  scan0097
Photographs of a Bentley chassis and details of a high compression engine's performance.1st Mar 1938Box 161 \ 1  scan0098
Returning a new 'L' series production radiator from chassis B.27.LE for credit.2nd Mar 1938Box 161 \ 1  scan0099
Confirming no action on wind resistance until results are ascertained from a car with a special body in Paris.2nd Mar 1938Box 161 \ 1  scan0100
The modifications required for fitting a radiator to chassis B.27.LE.21th Mar 1938Box 161 \ 1  scan0101
Article from 'The Motor' magazine about Hitler's 'Strength-Through-Joy' car, also known as the K.D.F or People's Car.7th Jun 1938Box 161 \ 1  scan0102
Page from 'The Motor' magazine with articles on the German 'People's Car', the US auto industry, and caravanning in France.7th Jun 1938Box 161 \ 1  scan0103
Request to Bentley Motors Ltd. for an oil thermometer and fittings for tests on chassis B.27.LE - EMBIRICOS.9th Jun 1938Box 161 \ 1  scan0104
Correcting an omission in a previous document regarding the maximum speeds of the Streamline Car.10th Jun 1938Box 161 \ 1  scan0105
Road speeds, parts shipment, and bearing failures for three different vehicles.13th Jun 1938Box 161 \ 1  scan0106
Request to fabricate a main pressure oil pipe for the Embiricos car, to be sent to the Paris Depot.13th Jun 1938Box 161 \ 1  scan0107
Providing an update on the completion and testing schedule for the streamlined Bentley.15th Jun 1938Box 161 \ 1  scan0108
Request for further information and testing to complete an analysis on the windage of various models compared with American practice.16th Jun 1938Box 161 \ 1  scan0109
Letter from Franco-Britannic Autos to Carrosserie Pourtout detailing performance test results for a Bentley aerodynamic car.16th Jun 1938Box 161 \ 1  scan0110
Testing of the Paulin-Bentley and its aerodynamic performance in relation to the upcoming B.III chassis.20th Jun 1938Box 161 \ 1  scan0111
Returning the drawing for the radiator mounting of Embricos' car B.27.LE.4th Jul 1938Box 161 \ 1  scan0112
Letter discussing travel arrangements, performance testing, and tyre pressure settings for a streamlined car.5th Jul 1938Box 161 \ 1  scan0113
Letter addressing queries on the supply of a roll rod, oil, filters, bearings, and parts for Bentley models.5th Jul 1938Box 161 \ 1  scan0114
From 'Rm' to 'Hs' reviewing the performance and features of the Paulin Bentley after initial testing in Paris.14th Jul 1938Box 161 \ 1  scan0115
The performance testing of the Paulins Streamline Bentley car, comparing actual track results with wind tunnel predictions.15th Jul 1938Box 161 \ 1  scan0116
Performance and design comparison between a streamlined Paulin Bentley and a standard model.15th Jul 1936Box 161 \ 1  scan0117
Internal report evaluating a car's design, performance, and practicality compared to competitors.15th Jul 1938Box 161 \ 1  scan0118
Attracting potential Bentley purchasers with the Paulin body.18th Jul 1938Box 161 \ 1  scan0119
Front view of a vehicle's bodywork under construction, showing the radiator and headlight mounts.18th Jul 1938Box 161 \ 1  scan0120
Photograph showing the front chassis and bodywork of a vehicle during assembly, with headlight pods and radiator visible.18th Jul 1938Box 161 \ 1  scan0122
Photograph of the rear of a DeSoto convertible car.18th Jul 1938Box 161 \ 1  scan0123
Photograph of the front of a DeSoto convertible car.18th Jul 1938Box 161 \ 1  scan0124
Photograph of the rear three-quarter view of an Oldsmobile car.18th Jul 1938Box 161 \ 1  scan0125
Black and white photograph showing the front view of a Jowett Javelin saloon car.19th Jul 1938Box 161 \ 1  scan0126
Advertisement from 'The Motor' magazine for the Alvis 4.3 Litre Saloon car, highlighting its acceleration.19th Jul 1938Box 161 \ 1  scan0127
Advertisement for Delahaye cars celebrating a victory at Le Mans and listing models for sale.19th Jul 1938Box 161 \ 1  scan0128
Article from 'The Autocar' magazine discussing the design trend of streamlined rear-ends on modern cars, with illustrated examples.15th Jul 1938Box 161 \ 1  scan0129
Article by Granville Bradshaw discussing the pros and cons of different independent front suspension systems.15th Jul 1938Box 161 \ 1  scan0130
Article from 'The Autocar' magazine about the evolution of car tail design, with illustrations.15th Jul 1938Box 161 \ 1  scan0131
Promotional flyer detailing the speed records for the Gnome & Rhône CM2 motorcycle at the Linas-Montlhéry autodrome.15th Jul 1938Box 161 \ 1  scan0132
French language speed conversion chart for a 12.5 km road circuit, showing lap times against average speed.15th Jul 1938Box 161 \ 1  scan0133
Paulin Streamline Bentley Car, its performance, modifications, and the possibility of a repeat build on an 'M' Series chassis.15th Jul 1938Box 161 \ 1  scan0134
Querying wind resistance test data and clarifying the naming history of a specific car.21th Jul 1938Box 161 \ 1  scan0135
Letter from Paris discussing the performance of the 'Streamlined car' and a test drive of a new 6-cylinder Citroen.21th Jul 1938Box 161 \ 1  scan0136
To 'Rm' concerning engine and brake performance, and discussions with Marcel Michelin about tyres and wheels for Bentley.21th Jul 1938Box 161 \ 1  scan0137
Secret internal memo discussing arrangements for the 'Paulin' car, a trip to the continent, and a visit by Monsieur Paulin.22th Jul 1938Box 161 \ 1  scan0138
With recommendations for the 'Paulin Bentley' concerning its name, axle ratio, hubs, brake drums, and exhaust system.22th Jul 1938Box 161 \ 1  scan0139
Comparison of modifications including engine, radiator, tyres, and interior dimensions against a Paulin Bentley.22th Jul 1938Box 161 \ 1  scan0140
Cover note enclosing a copy of a document regarding the Paulin Streamlined Bentley.22th Jul 1938Box 161 \ 1  scan0141
Letter concerning the Paulin Streamline Bentley car, its design, coachbuilders, cost, and arrangements for inspection.22th Jul 1938Box 161 \ 1  scan0142
Requesting side and front view photographs of a Paulin Bentley.25th Jul 1938Box 161 \ 1  scan0143
Secret internal memo regarding the Paulin Streamlined Bentley and a meeting with Mr. Embiricos.25th Jul 1938Box 161 \ 1  scan0144
Status of fitting large capacity oil pumps to 3 1/2 litre Bentley chassis for various owners.25th Jul 1938Box 161 \ 1  scan0145
Fitting large oil pumps to 3 1/2 litre cars and related customer costs.25th Jul 1938Box 161 \ 1  scan0146
Translating a letter from customer Count Nicolas de Sangro praising the Paulin Streamlined Bentley.25th May 1938Box 161 \ 1  scan0147
'Rm.' to 'Hs.' discussing an attached memo from 'Sr.' and anticipating unflattering remarks from Conduit Street.28th Jul 1938Box 161 \ 1  scan0148
Photographs taken to compare the performance of a Paulin Bentley with a standard Vanvooren.28th Jul 1938Box 161 \ 1  scan0149
Letter confirming the dispatch of a pair of Marchal wing lamps.28th Jul 1938Box 161 \ 1  scan0150
Short typed note thanking Mr. Rose for 'Marchal' wing lamps.29th Jul 1938Box 161 \ 1  scan0151
Braking performance of the Embiricos car and evaluating 'Fram' and 'General' filters.29th Jul 1938Box 161 \ 1  scan0152
Performance trial results from Montlhéry for a Paulin Bentley and a Standard Car.30th Jul 1938Box 161 \ 1  scan0153
Calculations predicting the speed of a Paulin Bentley based on drag and rolling resistance results.30th Jul 1938Box 161 \ 1  scan0154
Page of calculations for vehicle windage, total tractive resistance, horsepower and maximum speed.30th Jul 1938Box 161 \ 1  scan0155
Calculation of aerodynamic coefficient 'K' for a car based on its frontal area.2nd Aug 1938Box 161 \ 1  scan0156
Summarizing engine development points and investigations for the Paulin Bentley.2nd Aug 1938Box 161 \ 1  scan0157
File page with a clipping comparing short and long bonnet car designs, labelled 'Paulin Bentley File'.5th Aug 1938Box 161 \ 1  scan0158
Collage of images illustrating the 'Streamlining' design trend in cars, trains, radios and domestic appliances.29th Jul 1938Box 161 \ 1  scan0159
Album page with five photographs showing various views of a streamlined teardrop-style coupe.5th Aug 1938Box 161 \ 1  scan0160
Test for a forward-facing air intake on the Paulin Streamlined Bentley.4th Aug 1938Box 161 \ 1  scan0161
Correspondence regarding accident damage and repair delays for a Paulin Streamlined Bentley in Paris.4th Aug 1938Box 161 \ 1  scan0162
Sending snapshots of the Paulin Bentley.5th Aug 1938Box 161 \ 1  scan0163
Holiday plans impacting the completion and testing schedule of the Paulin car.5th Aug 1938Box 161 \ 1  scan0164
Sending a dimension drawing of a Vanvooren body and a photo of a streamlined Bentley, which has been in an accident.5th Aug 1938Box 161 \ 1  scan0165
Letter to H.A. Adkins in New York enclosing pictures of the Streamline Bentley.5th Aug 1938Box 161 \ 1  scan0166
From Paris regarding a delay in the coachbuilding work for a Streamlined Bentley, providing a new delivery estimate.8th Aug 1938Box 161 \ 1  scan0167
Attaching a report received from Mr. Embiricos concerning his streamlined Bentley, chassis B-27-LE.8th Aug 1938Box 161 \ 1  scan0168
Customer report on the performance and faults of a Streamlined Bentley following an accident.5th Aug 1938Box 161 \ 1  scan0169
Page two of a letter from a client detailing numerous faults with a car's bodywork and interior.10th Aug 1938Box 161 \ 1  scan0170
Cover note for a print comparing the outline of the Paulin Bentley with that of the standard car.10th Aug 1938Box 161 \ 1  scan0171
Design of a streamline body for a Bentley 4 seater.11th Aug 1937Box 161 \ 1  scan0172
Letter requesting the return of the Paulin Bentley model for further wind tunnel tests.13th Aug 1938Box 161 \ 1  scan0173
Secret report on full-scale tests comparing the wind resistance of American and British cars.15th Aug 1938Box 161 \ 1  scan0174
Car aerodynamics, wind tunnel testing, and comparing the frontal designs of various cars including Bentley and American models.15th Jun 1938Box 161 \ 1  scan0175
Comparative table of performance data for various car models.15th Aug 1938Box 161 \ 1  scan0176
Comparative table of wind resistance and performance data for various car models.15th Aug 1938Box 161 \ 1  scan0177
Comparative table of performance data for various car models.15th Aug 1938Box 161 \ 1  scan0178
Photographic comparison of eight different car front-end designs.15th Aug 1938Box 161 \ 1  scan0179
Comparison of the projected frontal areas of various car models.15th Aug 1938Box 161 \ 1  scan0180
Letter regarding a persistent low-speed wobble on a customer's 4 1/4 Bentley and a crashed 'Streamlined' car.17th Aug 1938Box 161 \ 1  scan0181
Acknowledging a previous communication regarding the Vanvooren Bentley-Paris Trials.18th Aug 1938Box 161 \ 1  scan0182
Letter discussing the causes of low speed wobbles in cars and mentioning an attached memo on wind resistance.19th Aug 1938Box 161 \ 1  scan0183
Correspondence from Levallois regarding the despatch of a miniature model Bentley car.19th Aug 1938Box 161 \ 1  scan0184
Letter regarding a damaged Paulin Bentley body model, its required repair before testing, and an update on the Embiricos car.19th Aug 1938Box 161 \ 1  scan0185
News clipping about a streamlined Mercedes Benz used for high-speed tyre tests.23th Aug 1938Box 161 \ 1  scan0186
The blueprints and parts required for a new Bentley air intake, designed to test supercharging on the Bentley 11 engine.7th Sep 1938Box 161 \ 1  scan0187
Confidential letter discussing the results of wind tunnel tests on a Streamline Bentley car.14th Sep 1938Box 161 \ 1  scan0188


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