| Description | Date | Identifier | |
| Suitability of a specific material for the front roll rod based on test results. | 5th Jan 1939 | Box 100 \ 1 scan0225 | |
| Modification of drawing PD.339 for the 2' tension shackle on rear springs. | 2nd Feb 1939 | Box 100 \ 1 scan0226 | |
| Modification scheme for the Bentley 5 front roll rod. | 7th Feb 1939 | Box 100 \ 1 scan0227 | |
| Modifications to the front anti-roll rod for Bentley 5 cars. | 9th Feb 1939 | Box 100 \ 1 scan0228 | |
| Standardization of Firth Springs for the Bentley V rear road springs. | 2nd Mar 1939 | Box 100 \ 1 scan0229 | |
| Packing modification for the Bentley V chassis front spring suspension. | 24th Mar 1939 | Box 100 \ 1 scan0230 | |
| The investigation and modification of seizing shackle pins on a Bentley V. | 29th Mar 1939 | Box 100 \ 1 scan0231 | |
| Front Suspension Spring Rate for B.V. & B.50 models. | 30th Mar 1939 | Box 100 \ 1 scan0232 | |
| Order for B.V & B.50 road springs and bumper chassis for H.B.50 and existing B.50 cars. | 31th Mar 1939 | Box 100 \ 1 scan0233 | |
| Breakdown of weights for the Bentley V front suspension components. | 9th Mar 1939 | Box 100 \ 1 scan0234 | |
| Investigation into using a flexible pipe for front suspension lubrication and awaiting cost comparison results. | 18th Apr 1939 | Box 100 \ 1 scan0235 | |
| Testing and modification of Bentley V rear road springs. | 8th May 1939 | Box 100 \ 1 scan0236 | |
| Use of specific rubber pads and metal shields for the rear springs on a Bentley 5. | 11th May 1939 | Box 100 \ 1 scan0237 | |
| Leaf spring failures, comparing stress tests on B.V. and 25/30 chassis springs. | 13th May 1939 | Box 100 \ 1 scan0238 | |
| Page 2 of a report detailing stress testing and modifications to leaf springs. | 13th May 1939 | Box 100 \ 1 scan0239 | |
| Graph showing stress on the main leaf of a BV road spring. | 19th May 1939 | Box 100 \ 1 scan0240 | |
| Request to manufacture six sets of parts for B.V. Front Buffers. | 19th May 1939 | Box 100 \ 1 scan0241 | |
| Confirmation request for a list of drawing numbers for B-V front suspension parts to facilitate their collection for examination and photography. | 12th Jun 1939 | Box 100 \ 1 scan0242 | |
| Testing and standardisation of Bentley V rear road springs. | 6th May 1939 | Box 100 \ 1 scan0243 | |
| Weight analysis of the B.V. front suspension, suggesting it be used for cost analysis. | 13th Jun 1939 | Box 100 \ 1 scan0244 | |
| Request for a scheme to replace the silentbloc bush with a Harris bush on the Bentley V front suspension. | 20th Jun 1939 | Box 100 \ 1 scan0245 | |
| Requesting a design scheme for a roll rod with Harris bushes and an order for three carbon steel rods. | 21th Jun 1939 | Box 100 \ 1 scan0246 | |
| Request to alter the rebound buffer depth for the Bentley 5 rebound straps. | 22th Jun 1939 | Box 100 \ 1 scan0247 | |
| Requesting a pattern to be made for a modified Bentley V torque arm. | 23th Jun 1939 | Box 100 \ 1 scan0248 | |
| Request for a drawing of a simplified torque arm spherical bearing. | 23th Jun 1939 | Box 100 \ 1 scan0249 | |
| Specification changes for the Bentley 5 front suspension coil spring, including plating, hardening, and finishing processes. | 23th Jun 1939 | Box 100 \ 1 scan0250 | |
| Outlining experiments and investigations into front end movement and shake on a vehicle. | 29th Jun 1939 | Box 100 \ 1 scan0251 | |
| Request to Mr. Cooper at the Alum Foundry to cast two B.V. torque arms in R.R. 50 material. | 30th Jun 1939 | Box 100 \ 1 scan0252 | |
| Request to create a drawing for a Bentley V lower yoke bearing. | 4th Jul 1939 | Box 100 \ 1 scan0253 | |
| The order of rear springs for production Bentley V models. | 8th Jul 1939 | Box 100 \ 1 scan0254 | |
| Order for Bentley V production springs. | 8th Jul 1939 | Box 100 \ 1 scan0255 | |
| Instructing the fitting of front buffers to a Bentley V chassis. | 10th Jul 1939 | Box 100 \ 1 scan0256 | |
| Scheme for Bentley 5 rear springs to reduce vibration. | 12th Jul 1939 | Box 100 \ 1 scan0257 | |
| Request to manufacture two sets of Bentley V Pivots using 1% chromium steel instead of 3½% nickel steel. | 18th Jul 1939 | Box 100 \ 1 scan0258 | |
| Calculation of the moment of inertia and centre of gravity for vehicle 9.B.V. | 20th Jul 1939 | Box 100 \ 1 scan0259 | |
| Calculation sheet for vehicle moment of inertia, unsprung mass, and spring rates. | 20th Jul 1939 | Box 100 \ 1 scan0260 | |
| Calculations for the centre of gravity of car model 10.B.V. | 20th Jul 1939 | Box 100 \ 1 scan0261 | |
| Requesting a new drawing and an order for 6 sets of Bentley V front buffers. | 21th Jul 1939 | Box 100 \ 1 scan0262 | |
| Requesting the production of blueprints and sets for a new, lighter rubber buffer for the Bentley V Chassis front wheel suspension. | 24th Jul 1939 | Box 100 \ 1 scan0263 | |
| Listing parts for the Bentley V front suspension mechanism. | 8th Aug 1939 | Box 100 \ 1 scan0264 | |
| Requesting blueprints and listing parts required for the B.V. Rear Bearing (Lower Triangle). | 24th Aug 1939 | Box 100 \ 1 scan0265 | |
| Requesting a report on a broken cast steel lower suspension lever, its brittleness, and potential improvements via heat treatment. | 10th Apr 1940 | Box 100 \ 1 scan0266 | |
| Providing instructions for welding stiffening plates for a B.V. front suspension. | 15th May 1940 | Box 100 \ 1 scan0267 | |
| List of suppliers for lower front suspension levers with part numbers and reliability notes. | 23th Nov 1940 | Box 100 \ 1 scan0268 | |
| Modifying existing Barnato's B.V. springs with a packing and altering the drawing for future purchases. | 23th Nov 1940 | Box 100 \ 1 scan0269 | |
| Modifications to customers' B.V cars to prevent front-end crashing by altering the buffer stop and front spring packings. | 5th Dec 1940 | Box 100 \ 1 scan0270 | |
| Alterations to the front suspension mechanism, including a longer spring and modified stop, to prevent the torque arm from fouling the frame. | 16th Dec 1940 | Box 100 \ 1 scan0271 | |
| Cost-saving design for Bentley III side and cross steering tubes. | 16th Dec 1936 | Box 100 \ 2 scan0001 | |
| Modifications to the steering pivot lubrication system for the Bentley III. | 19th Jan 1937 | Box 100 \ 2 scan0002 | |
| Reduction in the number of fixing screws for the Bentley III steering column lock plate. | 20th Feb 1937 | Box 100 \ 2 scan0003 | |
| Suggestion to modify the Bentley III steering column lock plate by reducing the number of fixing screws used. | 20th Feb 1937 | Box 100 \ 2 scan0004 | |
| Design considerations for the Bentley III steering system, rejecting the Holkenberger layout. | 5th Jul 1937 | Box 100 \ 2 scan0005 | |
| Design and testing of side steering tube joints for Bentley III and Wraith III chassis. | 5th Jul 1937 | Box 100 \ 2 scan0006 | |
| The design of the side steering tube for the Bentley III and its comparison with the Wraith III. | 3rd Jul 1937 | Box 100 \ 2 scan0007 | |
| Cross steering arrangement and levers for the Bentley III. | 5th Jul 1937 | Box 100 \ 2 scan0008 | |
| Cross steering arrangement and levers for the Bentley III, including bearing designs. | 5th Jul 1937 | Box 100 \ 2 scan0009 | |
| The cross steering tube for the Bentley 111. | 17th Aug 1937 | Box 100 \ 2 scan0010 | |
| Outlining design suggestions for the Bentley III steering system. | 19th Aug 1937 | Box 100 \ 2 scan0011 | |
| The Bentley 111 steering column, comparing it to the Wraith model. | 30th Aug 1937 | Box 100 \ 2 scan0012 | |
| Theoretical investigation into the steering qualities of the Bentley III, comparing different rear spring designs. | 15th Oct 1937 | Box 100 \ 2 scan0013 | |
| Investigating the under and over-steering properties of the Bentley III, comparing layouts and tyre behaviours. | 15th Oct 1937 | Box 100 \ 2 scan0014 | |
| Analysis of vehicle roll stiffness and cornering forces for different spring layouts and tyre pressures on a Bentley III. | 15th Oct 1937 | Box 100 \ 2 scan0015 | |
| Concluding note about a calculation method, suggesting its predictions be compared with actual results from a Bentley III to determine its accuracy for future use. | 15th Oct 1937 | Box 100 \ 2 scan0016 | |
| Table detailing the over and under-steering properties of a Bentley III under various suspension and tyre configurations. | 1st Jan 1935 | Box 100 \ 2 scan0017 | |
| Graph plotting cornering coefficient against the percentage of rated radial load on a tyre for 0 and 5 degree camber angles. | 1st Jan 1935 | Box 100 \ 2 scan0018 | |
| Theoretical investigation into the steering qualities of the Bentley III. | 15th Oct 1937 | Box 100 \ 2 scan0019 | |
| Investigating the under or over-steering properties of the Bentley III. | 15th Oct 1937 | Box 100 \ 2 scan0020 | |
| Analysis of roll stiffness and spring deflection for a Bentley III, comparing different spring layouts and tyre pressures. | 15th Oct 1937 | Box 100 \ 2 scan0021 | |
| Justification for the calculation method used, suggesting a comparison with actual results from Bentley III to assess its accuracy for future use. | 15th Oct 1937 | Box 100 \ 2 scan0022 | |
| Table detailing the over and under-steering properties of the Bentley III under various configurations. | 1st Jan 1935 | Box 100 \ 2 scan0023 | |
| Graph of cornering coefficient versus the percentage of rated radial load on a tyre for different camber angles. | 1st Jan 1935 | Box 100 \ 2 scan0024 | |
| Scheme for modified cross steering tubes for the Bentley 111, proposing the use of Wraith type ball joints. | 29th Nov 1937 | Box 100 \ 2 scan0025 | |
| Temporary scheme for mounting the steering box on the Bentley 111 steering column for the first car. | 3rd Dec 1937 | Box 100 \ 2 scan0026 | |
| Revised mixture controls operated from the steering column for the Bentley 111 model. | 6th Jan 1938 | Box 100 \ 2 scan0027 | |
| Positioning of the steering column for various car models. | 17th Jan 1938 | Box 100 \ 2 scan0028 | |
| Insufficient space between the steering wheel and door on the Bentley III, with comparative dimensions for other models. | 3rd Feb 1938 | Box 100 \ 2 scan0029 | |
| Design alternatives for a car body, including widening options and component placement. | 3rd Feb 1938 | Box 100 \ 2 scan0030 | |
| Decision to move the steering column nearer to the centre of the car on the next Bentley. | 4th Feb 1938 | Box 100 \ 2 scan0031 | |
| The findings of an investigation into the steering and independent front wheel suspension of the Bentley III. | 28th Feb 1938 | Box 100 \ 2 scan0032 | |
| Spring specifications, stresses, and deflection calculations in response to verbal questions. | 25th Feb 1938 | Box 100 \ 2 scan0033 | |
| Continued document discussing rear spring deflection, Packard-type suspension features, and turning circle calculations. | 25th Feb 1938 | Box 100 \ 2 scan0034 | |
| Potential improvements related to wheels, suspension, and steering. | 25th Feb 1938 | Box 100 \ 2 scan0035 | |
| Vehicle modifications to increase suspension movement by raising the front of the car and fitting new components. | 25th Feb 1938 | Box 100 \ 2 scan0036 | |
| Requesting the instruction of one set of parts for the Bentley 111 chassis cross steering to correct geometry errors. | 8th Mar 1938 | Box 100 \ 2 scan0037 | |
| Blueprints for a Ball End Pin and Washer for a Bentley 111 chassis to correct geometry errors. | 8th Mar 1938 | Box 100 \ 2 scan0038 | |
| Request for a special ball pin to correct steering wander due to front suspension geometry errors. | 8th Mar 1938 | Box 100 \ 2 scan0039 | |
| The introduction of a new yoke piece to improve steering lock on the B.III model. | 14th Mar 1938 | Box 100 \ 2 scan0040 | |
| Request for a drawing to experimentally fit an angular contact ball bearing to a steering pivot pin. | 14th Mar 1938 | Box 100 \ 2 scan0041 | |
| Replacement of an obsolete steering yoke piece with a newly designed one for the B.III model. | 14th Mar 1938 | Box 100 \ 2 scan0042 | |
| Blueprints for the application of a needle roller bearing to the lower pivot of the Bentley lll. | 15th Mar 1938 | Box 100 \ 2 scan0043 | |
| Comparing the rear axle steer angle and spring layout of Bentley II and Bentley III models. | 21th Mar 1938 | Box 100 \ 2 scan0044 | |
| Comparison of steering geometry errors between the B.III model and a Packard. | 21th Mar 1938 | Box 100 \ 2 scan0045 | |
| Investigating steering geometry modifications for larger tyres, focusing on turning circle and component clearances. | 22th Mar 1938 | Box 100 \ 2 scan0046 | |
| Methods for improving steering geometry and turning circles. | 22th Mar 1938 | Box 100 \ 2 scan0047 | |
| Determination of minimum tyre size based on cornering ability and skid pan tests for car models B.50 and B.III. | 23th Mar 1938 | Box 100 \ 2 scan0048 | |
| Implications of wheel and tyre dimensions on the steering geometry for models B.111 and B.50. | 28th Apr 1938 | Box 100 \ 2 scan0049 | |
| Car wandering at high speeds due to steering geometry errors. | 14th May 1938 | Box 100 \ 2 scan0050 | |
| Steering geometry issues, wandering, and proposed modifications for chassis B.III and B.50. | 24th May 1938 | Box 100 \ 2 scan0051 | |
| Design compromise to be mocked up on vehicle 7.B.V. for a road test. | 24th May 1938 | Box 100 \ 2 scan0052 | |
| Graph comparing steering geometry errors for B III and B 50 models under different conditions. | 24th May 1938 | Box 100 \ 2 scan0053 | |
| | | | |
