| Description | Date | Identifier | |
| Work in progress report concerning the Bensport brake gear and exhaust system. | 6th Dec 1932 | Box 3 \ 4 04-page143 | |
| Performance impression of a 2 1/2 litre engine model and comparison with a larger 3660 c.c. engine. | 7th Dec 1932 | Box 3 \ 4 04-page144 | |
| Trial run report and comparison of a Thrupp & Maberly four-door saloon on an Alvis Speed Twenty chassis. | 7th Dec 1932 | Box 3 \ 4 04-page145 | |
| Road test report commenting on a vehicle's performance, comfort, build quality, and pricing. | 7th Dec 1932 | Box 3 \ 4 04-page146 | |
| Chassis arrangement and modifications for an Experimental Bensport Chassis. | 9th Dec 1932 | Box 3 \ 4 04-page147 | |
| Confirming the fitment of a steering wheel and controls to the Bensport 1st Chassis. | 30th Dec 1932 | Box 3 \ 4 04-page148 | |
| Specification for the Bensaport J.I. chassis. | 30th Nov 1932 | Box 3 \ 4 04-page149 | |
| Chassis specification sheet for the Bensport J.I. (B.3) model. | 30th Nov 1932 | Box 3 \ 4 04-page150 | |
| Specification sheet detailing various engine components and their design references. | 30th Nov 1932 | Box 3 \ 4 04-page151 | |
| Specification sheet listing various vehicle components and their corresponding design reference numbers. | 30th Nov 1932 | Box 3 \ 4 04-page152 | |
| Specification sheet listing various vehicle components with their descriptions and design numbers. | 30th Nov 1932 | Box 3 \ 4 04-page153 | |
| Specification sheet detailing various components and their design schemes for a vehicle. | 30th Nov 1932 | Box 3 \ 4 04-page154 | |
| Specification sheet for vehicle components including the instrument board, battery box, and headlamps. | 11th Jan 1933 | Box 3 \ 4 04-page155 | |
| Modifications to improve the Bensport engine's power output for a saloon car. | 11th Jan 1933 | Box 3 \ 4 04-page156 | |
| Results of engine modifications on power output and considerations for reliability under road conditions. | 11th Jan 1933 | Box 3 \ 4 04-page157 | |
| Performance graph detailing improvements to the J1 engine's power output for the Bensport car. | 18th Jan 1933 | Box 3 \ 4 04-page158 | |
| Blueprint detailing modifications to a cylinder head. | 18th Jan 1933 | Box 3 \ 4 04-page159 | |
| Further test involving machining the lips of a combustion chamber, which resulted in no noticeable gain in power. | 11th Jan 1933 | Box 3 \ 4 04-page160 | |
| Blueprint showing modifications to a cylinder head for Bensport J.I. | 15th Nov 1932 | Box 3 \ 4 04-page161 | |
| List of drawings issued for the first experimental Bensport chassis. | 12th Jan 1933 | Box 3 \ 4 04-page162 | |
| Index page listing documents for double valve springs, tappet spring, and axle position layout. | 12th Jan 1933 | Box 3 \ 4 04-page163 | |
| Progress and plans for the Peregrine and Bensport chassis. | 17th Jan 1933 | Box 3 \ 4 04-page164 | |
| Progress report on the Peregrine and Bensport car projects, detailing road tests and development status. | 18th Jan 1933 | Box 3 \ 4 04-page165 | |
| Road test and performance review of a new car with a mock-up engine unit. | 23th Jan 1933 | Box 3 \ 4 04-page166 | |
| The final weight of a car and the estimated time for completion. | 23th Jan 1933 | Box 3 \ 4 04-page167 | |
| The 'Bensport' car, discussing modifications, performance, and its production timeline. | 27th Jan 1933 | Box 3 \ 4 04-page168 | |
| Production of the proposed Renaport car using existing parts and its exhibition at Olympia. | 27th Jan 1933 | Box 3 \ 4 04-page169 | |
| The 'Bensport' proposition and the decision not to delay its launch for a new gearbox. | 30th Jan 1933 | Box 3 \ 4 04-page170 | |
| Strategy and specifications for the 'Bensport' car project. | 31th Jan 1933 | Box 3 \ 4 04-page171 | |
| Recommendation on the company's manufacturing ethos, prioritizing quality over price. | 31th Jan 1933 | Box 3 \ 4 04-page172 | |
| Urgent testing at Brooklands and delivery of the 'Bensport' car to France. | 2nd Feb 1933 | Box 3 \ 4 04-page173 | |
| Sg to Hs regarding 'Bensport', noting that a recent discussion has rendered a formal reply unnecessary. | 2nd Feb 1933 | Box 3 \ 4 04-page174 | |
| Travel arrangements for the 'Bensport' car to France. | 4th Feb 1933 | Box 3 \ 4 04-page175 | |
| Performance tests of the 'Monsoon' car at the Brooklands track. | 6th Feb 1933 | Box 3 \ 4 04-page176 | |
| Oil leaks from the clutch pit and a comparison of losses in the exhaust system. | 6th Feb 1933 | Box 3 \ 4 04-page177 | |
| Tests concerning steering feel and pivot inclination for the Mac.VIII new axle. | 22th Sep 1926 | Box 3 \ 4 04-page178 | |
| Steering tests comparing a standard axle altered for vertical king pins against one with transverse pivot inclination. | 22th Sep 1924 | Box 3 \ 4 04-page179 | |
| Tests on steering geometry, specifically the effects of transverse rake and pivot inclination on a 20 HP axle. | 22th Jan 1926 | Box 3 \ 4 04-page180 | |
| Separator or cover page for drawings, marked with the letter 'X'. | 22th Jan 1926 | Box 3 \ 4 04-page181 | |
| Drawing cancellation page marked with a large 'X' and the abbreviation for drawing. | 28th Jan 1933 | Box 3 \ 4 04-page182 | |
| Performance graph of a C.S. unit engine showing BHP and BMEP curves at various RPMs with different exhaust setups. | 28th Jan 1933 | Box 3 \ 4 04-page183 | |
| Performance graph plotting BHP and BMEP against RPM for an engine with two different valve timing settings. | 26th Jan 1933 | Box 3 \ 4 04-page184 | |
| Driver feedback and technical opinions following a car trial. | 27th Feb 1933 | Box 3 \ 4 04-page185 | |
| Test report on the 'Bensport' car's performance and handling characteristics following a run at Brooklands. | 6th Feb 1933 | Box 3 \ 4 04-page186 | |
| Critique of a car's design, focusing on its wire wheels, wings, and body. | 8th Feb 1933 | Box 3 \ 4 04-page187 | |
| Reduction of dynamo speed on Peregrine and Bensport car engines due to excessive wear at high RPMs. | 8th Feb 1933 | Box 3 \ 4 04-page188 | |
| Modifications, testing plans, and production risks for the Bensport car model. | 8th Feb 1934 | Box 3 \ 4 04-page189 | |
| Proposed modifications to a car, including the crankshaft, axle ratio, clutch, wheels, and body dimensions. | 8th Feb 1933 | Box 3 \ 4 04-page190 | |
| Alterations to the Bensport car, including the dynamo drive, magneto, and bodywork. | 10th Feb 1933 | Box 3 \ 4 04-page191 | |
| Design and performance aspects of the Bensport Car. | 14th Feb 1933 | Box 3 \ 4 04-page192 | |
| New induction pipe with three carburetters for the Bensport engine to maximize power output. | 14th Feb 1933 | Box 3 \ 4 04-page193 | |
| Blueprint for an induction pipe for 3 carburetters - JI. | 14th Feb 1933 | Box 3 \ 4 04-page194 | |
| Modifications required on Bensport, enclosing a copy of a related memo. | 16th Feb 1933 | Box 3 \ 4 04-page195 | |
| List of modifications required for the Bensport model concerning the engine and ancillary components. | 15th Feb 1933 | Box 3 \ 4 04-page196 | |
| List of required modifications and patterns for various engine and chassis components. | 15th Feb 1933 | Box 3 \ 4 04-page197 | |
| List of modifications and required changes for an experimental chassis, covering various components. | 15th Feb 1933 | Box 3 \ 4 04-page198 | |
| Brief memo concerning a 'Bensport' reference, instructing to add an attached document. | 17th Feb 1933 | Box 3 \ 4 04-page199 | |
| List of required modifications for the Bensport model engine components. | 15th Feb 1933 | Box 3 \ 4 04-page200 | |
| List of required modifications for various components, including rocker cover, clutch, induction pipes, and engine controls. | 15th Feb 1933 | Box 3 \ 4 04-page201 | |
| Technical memorandum detailing modifications and requirements for various chassis components. | 15th Feb 1933 | Box 3 \ 4 04-page202 | |
| Internal memorandum discussing the difficulty of the ignition changeover system and proposing modifications for easier coil replacement without tools. | 16th Feb 1933 | Box 3 \ 4 04-page203 | |
| Unauthorised modifications to the Bensport car and their impact on the July delivery schedule. | 16th Feb 1933 | Box 3 \ 4 04-page204 | |
| Disturbing list of car modifications and the decision to proceed to avoid missing the 1934 production schedule. | 17th Feb 1933 | Box 3 \ 4 04-page205 | |
| Evaluating proposed refinements for the Bensport model running in France. | 18th Feb 1933 | Box 3 \ 4 04-page206 | |
| The performance and required modifications for various car components, including notes on a 'Bensport' model. | 18th Feb 1933 | Box 3 \ 4 04-page207 | |
| Modifications to the dynamo drive and crankcase pattern for the 25 HP and Bensport models. | 18th Feb 1933 | Box 3 \ 4 04-page208 | |
| Modifications to the brake equalizing shafts and gearbox on a Bensports model. | 18th Feb 1933 | Box 3 \ 4 04-page209 | |
| Modifications to the Peregrine 2 rear axle for clearance on Bensport models. | 18th Feb 1933 | Box 3 \ 4 04-page210 | |
| Listing engineering drawings and modifications for the Bensport Series 1. | 18th Feb 1933 | Box 3 \ 4 04-page211 | |
| Clarifying the nomenclature for different editions of Bentley/Bensport chassis drawings. | 20th Feb 1933 | Box 3 \ 4 04-page212 | |
| Technical feedback on a test car regarding the gearbox, steering wheel, radiator guard, and fuel pumps. | 22th Feb 1933 | Box 3 \ 4 04-page213 | |
| Whether the 'pot' for the pedals is a body item or a chassis point. | 22th Feb 1933 | Box 3 \ 4 04-page214 | |
| Design points and features for a 'Bensport' car. | 22th Feb 1935 | Box 3 \ 4 04-page215 | |
| Specifications of the Bensport and Peregrine cars. | 24th Feb 1933 | Box 3 \ 4 04-page216 | |
| Instruction to ensure future 'Bensport' vehicles for testing and demonstration are fitted with the latest improvements. | 27th Feb 1933 | Box 3 \ 4 04-page217 | |
| From Sg. to Hs. regarding Bensport, chasing a snapshot photograph discussed at Grantham. | 3rd Mar 1933 | Box 3 \ 4 04-page218 | |
| Drilling of breather holes for the Bensport J.1. Engine. | 2nd Mar 1933 | Box 3 \ 4 04-page219 | |
| Gratifying report on the Bensport car and arranging a follow-up discussion in Derby. | 3rd Mar 1933 | Box 3 \ 4 04-page220 | |
| Mounting of a spare coil and the capacity of the petrol tank for the Bensport Car. | 3rd Mar 1933 | Box 3 \ 4 04-page221 | |
| Collaborative creation of the Bensport 4 Specification. | 3rd Mar 1933 | Box 3 \ 4 04-page222 | |
| Attaching and distributing the 'Bensport Specification' to various departments and individuals. | 4th Mar 1933 | Box 3 \ 4 04-page223 | |
| Confirming arrangements for a spare coil and petrol tank modifications for a Bensport Car. | 6th Mar 1933 | Box 3 \ 4 04-page224 | |
| Axle and damper mountings on the Bensport model, discussing clearances and modifications. | 6th Mar 1933 | Box 3 \ 4 04-page225 | |
| New drawing for the Bensport Series 1 Peregrine fan and drive, superseding a previous version. | 7th Mar 1933 | Box 3 \ 4 04-page226 | |
| Specification document detailing modifications for the Series I Bemport chassis. | 4th Mar 1933 | Box 3 \ 4 04-page227 | |
| Continued list of vehicle components including pipes, pedals, and the Bentley monogram on hub caps. | 4th Mar 1933 | Box 3 \ 4 04-page228 | |
| Specification sheet for the Bensport Series I experimental and production chassis. | 10th Feb 1933 | Box 3 \ 4 04-page229 | |
| Specification sheet detailing modifications for engine and fuel system components. | 10th Feb 1933 | Box 3 \ 4 04-page230 | |
| Specification list detailing configurations for various engine and chassis components. | 10th Feb 1933 | Box 3 \ 4 04-page231 | |
| Specification sheet detailing modifications and design numbers for various engine and chassis components. | 10th Feb 1933 | Box 3 \ 4 04-page232 | |
| Specification sheet detailing various vehicle components and their design references. | 10th Feb 1933 | Box 3 \ 4 04-page233 | |
| Specification sheet listing vehicle components, their descriptions, and design numbers. | 10th Feb 1933 | Box 3 \ 4 04-page234 | |
| Specification sheet detailing various chassis and component parts with their corresponding design numbers. | 10th Feb 1933 | Box 3 \ 4 04-page235 | |
| Specification sheet detailing the design and components for a vehicle chassis. | 10th Feb 1933 | Box 3 \ 4 04-page236 | |
| Parts specification table for chassis components including pumps, pipes, dampers, and wheel carriers. | 10th Feb 1933 | Box 3 \ 4 04-page237 | |
| Specification list for various electrical equipment components and their associated design numbers. | 17th Mar 1933 | Box 3 \ 4 04-page238 | |
| Design alteration to the clutch pedal shaft and levers for the Bensport Series 1. | 17th Mar 1933 | Box 3 \ 4 04-page239 | |
| Drawings produced for improvements to the Bensport Series 1 experimental car. | 10th Mar 1933 | Box 3 \ 4 04-page240 | |
| The status and development of components for the Bensport Series 1. | 18th Mar 1933 | Box 3 \ 4 04-page241 | |
| Amendments and additions to the Bensport Series 1 specification. | 22th Mar 1933 | Box 3 \ 4 04-page242 | |
| | | | |
