| Description | Date | Identifier | |
| Report from Dodd about cars with faulty parts and scheduling the fix. | 2nd Jan 1935 | Box 84 \ 3 scan0245 | |
| Investigation report following a visit to Kingsbury concerning faulty Bentley axle control eye bolts missing an annular oil groove. | 1st Jan 1935 | Box 84 \ 3 scan0246 | |
| Part quality issues, including rough finish and blocked oil passages, with a list of chassis that passed or failed testing. | 1st Jan 1935 | Box 84 \ 3 scan0247 | |
| Issues with the front axle control damper anchorage, piece no. FB.690. | 2nd Jan 1935 | Box 84 \ 3 scan0248 | |
| Return of three defective front axle control bracket eye bolts due to an oil circulation issue. | 1st Jan 1935 | Box 84 \ 3 scan0249 | |
| Issues with front axle control damper anchorages on Chassis No.168.AH for Lord Stalbridge. | 2nd Jan 1935 | Box 84 \ 3 scan0250 | |
| Suggested modification for the lubrication of Bentley pivots to resolve an issue of seizing. | 2nd Jan 1935 | Box 84 \ 3 scan0251 | |
| Issues with Bentley brakes and axle lubrication on a trials car and other vehicles. | 3rd Jan 1935 | Box 84 \ 3 scan0252 | |
| Damage found on a 5-B-IV front axle and associated components after high speed braking tests. | 4th Jan 1935 | Box 84 \ 3 scan0253 | |
| Failure of Front Anchorage N.S. 4179 components, including ball pins, anchor brackets, and radius rods. | 4th Jan 1935 | Box 84 \ 3 scan0254 | |
| Progress on a pivot changeover for Bentley, including fatigue testing and related standardisation tasks. | 4th Jan 1935 | Box 84 \ 3 scan0255 | |
| Apparatus to measure wheel stop speeds during braking tests for Bentley and Spectre models. | 4th Jan 1935 | Box 84 \ 3 scan0256 | |
| On a front axle failure report, steering tube strength, and brake jagger tests. | 7th Jan 1935 | Box 84 \ 3 scan0257 | |
| Weekly supply schedule for pivot pins for Bentley C, D, A, and B series chassis. | 9th Jan 1935 | Box 84 \ 3 scan0258 | |
| Logistics and organisation of a changeover for Bentley Chassis pivot pins. | 11th Jan 1935 | Box 84 \ 3 scan0259 | |
| Drawings and design changes for the Bentley Front Axle Control system. | 19th Jan 1935 | Box 84 \ 3 scan0260 | |
| Insufficient side clearance on a Bentley front axle radius rod support bracket. | 14th Jan 1935 | Box 84 \ 3 scan0261 | |
| Pivot changeover for Bentley and modifications to water excluders on brake drums. | 21th Jan 1935 | Box 84 \ 3 scan0262 | |
| Query regarding action taken on a Front Axle Assembly and Front Road Springs for chassis B.11-AE. | 21th Jan 1935 | Box 84 \ 3 scan0263 | |
| Development of new water excluders for Bentley pivots to address brake judder issues after washing. | 22th Jan 1935 | Box 84 \ 3 scan0264 | |
| List of recommended maintenance actions for vehicles, including estimated times for completion at the Depot or a customer's location. | 22th Jan 1935 | Box 84 \ 3 scan0265 | |
| Two proposed arrangements for testing and increasing axle stiffness to address wet brake judder on a Bentley. | 23th Jan 1935 | Box 84 \ 3 scan0266 | |
| Requesting front wheel nuts to demonstrate the effects of increased front axle inertia on a Bentley chassis. | 7th Feb 1935 | Box 84 \ 3 scan0267 | |
| Reporting rusted Bentley Pivot Oil Feed Tubes and requesting galvanised replacements to be fitted. | 14th Feb 1935 | Box 84 \ 3 scan0268 | |
| Standardisation of strengthened pivot pin parts. | 8th Jan 1935 | Box 84 \ 3 scan0269 | |
| Estimate for extra jigs, tools, and equipment with fitting instructions for standardization of parts. | 17th Jan 1936 | Box 84 \ 3 scan0270 | |
| Modifications to the Spectre model's conventional front axle and brake system. | 9th Mar 1935 | Box 84 \ 3 scan0271 | |
| Steering geometry for the Spectre with a conventional front axle. | 9th Mar 1935 | Box 84 \ 3 scan0272 | |
| The Spectre model's conventional front axle and side steering lever drawing N.Sch.4407. | 9th Mar 1935 | Box 84 \ 3 scan0273 | |
| Pivot failure on an experimental Bentley car, with recommendations for inspection and strengthening. | 25th May 1935 | Box 84 \ 3 scan0274 | |
| Photograph of a broken component with handwritten notes detailing its failure mileage. | 29th May 1935 | Box 84 \ 3 scan0275 | |
| Modification to the Spectre front pivot to assist lubrication. | 29th May 1935 | Box 84 \ 3 scan0276 | |
| Letter concerning a recurring fractured axle tube on chassis B.152-AH, belonging to the Prince of Siam. | 14th Aug 1935 | Box 84 \ 3 scan0277 | |
| Fitting of strengthened front axle pivots to early model Bentley chassis. | 18th Sep 1935 | Box 84 \ 3 scan0278 | |
| Incompatibility of three-stud stub axles on 'A' and 'B' series Bentley chassis and the dispatch of replacement two-stud axles. | 18th Sep 1935 | Box 84 \ 3 scan0279 | |
| Despatch of Bentley chassis stub axles and material availability in Paris. | 20th Sep 1935 | Box 84 \ 3 scan0280 | |
| Confirming a request to test a Bentley axle to destruction by torsional loading. | 14th Feb 1936 | Box 84 \ 3 scan0281 | |
| The GB.1250 torsion test performed on a Bentley front axle. | 6th Mar 1936 | Box 84 \ 3 scan0282 | |
| A plan to rebuild and re-allocate Bentley front axles to economise on material. | 9th Apr 1936 | Box 84 \ 3 scan0283 | |
| Plan to reuse and transfer parts between Bentley front axles to economize on materials. | 15th Apr 1936 | Box 84 \ 3 scan0284 | |
| Confirming the replacement of a front axle on a 4 1/4 Litre Bentley chassis due to severe brake judders. | 28th May 1936 | Box 84 \ 3 scan0285 | |
| Experimenting with a simplified Bentley front axle in collaboration with Girling, advising against commitment to existing forgings. | 8th Jun 1936 | Box 84 \ 3 scan0286 | |
| Decision on the Bentley Front Axle Control standardization scheme following tests in France. | 26th Oct 1936 | Box 84 \ 3 scan0287 | |
| Recurring trouble and customer complaints of rattles with the front axle damper on the Bentley, recommending production of new parts. | 4th Nov 1938 | Box 84 \ 3 scan0288 | |
| Standardisation of parts report for improved axle controls to overcome customer complaints. | 24th Nov 1936 | Box 84 \ 3 scan0289 | |
| Estimated cost for extra jigs, tools and equipment and its introduction into the 'K' series chassis production. | 29th Oct 1936 | Box 84 \ 3 scan0290 | |
| Complaint of a noisy axle on a Bentley, identifying a broken steel cage on a thrust bearing. | 2nd Dec 1936 | Box 84 \ 3 scan0291 | |
| Complaint of a noisy axle on a Bentley vehicle, identifying a broken bearing cage. | 3rd Dec 1936 | Box 84 \ 3 scan0292 | |
| Cost discrepancy for the Bentley Improved Axle Control. | 31th Dec 1936 | Box 84 \ 3 scan0293 | |
| Dispatch of Bentley Front Axle Anchorages. | 16th Mar 1937 | Box 84 \ 3 scan0294 | |
| Faulty new front axle where a drill bit was found broken and wedged inside an oil duct. | 31th Mar 1937 | Box 84 \ 3 scan0295 | |
| Parts list detailing the update to increased diameter ball joints for the Bentley 11 chassis steering. | 28th Feb 1938 | Box 84 \ 3 scan0296 | |
| Instructions for a scheme regarding sleeves for a steering joint to provide greater friction on the ball pin. | 28th Feb 1938 | Box 84 \ 3 scan0297 | |
| Design modifications and drawings for the Peregrine & Bensport rear axle. | 20th Aug 1932 | Box 84 \ 4 scan0001 | |
| Higher gear ratio for the Peregrine rear axle casing. | 29th Oct 1932 | Box 84 \ 4 scan0002 | |
| Modifications to the rear axle and damper mountings on a Bensport model, addressing clearance and sales requirements. | 3rd Mar 1933 | Box 84 \ 4 scan0003 | |
| Comparing stresses in Bensport and Peregrine differential gears with other car models. | 20th Apr 1933 | Box 84 \ 4 scan0004 | |
| The failure of the Bensport differential, proposing two alternative schemes for improvement. | 25th Apr 1933 | Box 84 \ 4 scan0005 | |
| Comparison table of stress in differential and driving pinions for different car models. | 17th Jun 1933 | Box 84 \ 4 scan0006 | |
| Different Bentley axle ratios and their suitability for various car types. | 17th Jun 1933 | Box 84 \ 4 scan0007 | |
| Comparing stresses and loads on various Bentley axle gear ratios. | 19th Jun 1933 | Box 84 \ 4 scan0008 | |
| The Bensport Rear Axle, discussing a material change from Nickel to Chrome Casehardening Steel for twisted axle shafts. | 13th Jul 1933 | Box 84 \ 4 scan0009 | |
| Halting all work on 3 1/2-Litre Bentley Axle Tubes due to a failure during a 10,000-mile test. | 8th Aug 1935 | Box 84 \ 4 scan0010 | |
| Broken rear axle tube on a 3½ Litre Bentley and the decision to use electrical petrol pumps. | 8th Aug 1933 | Box 84 \ 4 scan0011 | |
| Investigation into an axle failure on a 10,000 mile Bentley, concluding overload as the likely cause. | 22th Dec 1933 | Box 84 \ 4 scan0012 | |
| Modifying a bearing assembly by altering housing and race dimensions. | 22th Dec 1933 | Box 84 \ 4 scan0013 | |
| Log sheet detailing axle, gear, and pinion thrust race mileages for various components. | 9th Jan 1934 | Box 84 \ 4 scan0014 | |
| Trial application of a 'Perfect' oil seal to the Bentley rear axle pinion. | 20th Jan 1934 | Box 84 \ 4 scan0015 | |
| To Mr. Fedden asking if a higher geared axle should be fitted to a Bentley B.189.AE, which will have a streamlined Saloon body. | 18th Jan 1934 | Box 84 \ 4 scan0016 | |
| Recommendation for a high geared axle for Bentley B. 189.AE. | 20th Jan 1934 | Box 84 \ 4 scan0017 | |
| Standardisation of rear axle enlarged oil drains from brake drums. | 20th Dec 1933 | Box 84 \ 4 scan0018 | |
| Twisted 4.B.1V rear axle shafts, noting the amount of twist and that they were re-fitted. | 20th Apr 1934 | Box 84 \ 4 scan0019 | |
| Standardisation of parts report for a Ransome & Marles rear axle pinion thrust race to improve reliability on Bentley vehicles. | 9th Apr 1934 | Box 84 \ 4 scan0020 | |
| Design alteration for a Bentley rear axle pinion to prevent wear and stiffen the pinion nose. | 17th May 1934 | Box 84 \ 4 scan0021 | |
| Twisted half shafts on a Bentley rear axle after a 10,000-mile test run. | 18th May 1934 | Box 84 \ 4 scan0022 | |
| New design for a Bentley rear axle pinion with an integral inner bearing race. | 27th Jun 1934 | Box 84 \ 4 scan0023 | |
| Failure of a new departure type bearing in Bentley rear axles and the need for replacement. | 6th Jul 1934 | Box 84 \ 4 scan0024 | |
| Leaks from the rear axle into the brake drum and proposed solutions. | 16th Jul 1934 | Box 84 \ 4 scan0025 | |
| Modifications to resolve oil leaks in Bentley rear axles. | 19th Jul 1934 | Box 84 \ 4 scan0026 | |
| Solutions for oil leaks from the rear axle into the brake drum on the Bentley chassis. | 25th Jul 1934 | Box 84 \ 4 scan0027 | |
| Instances of axle shaft twisting on the Bentley and a potential solution involving the flywheel. | 25th Jul 1934 | Box 84 \ 4 scan0028 | |
| Blueprint showing the specified amount of twist for Near Side and Off Side shafts. | 26th Jul 1934 | Box 84 \ 4 scan0029 | |
| Order for oil seals for use in a Bentley rear axle test rig. | 15th Sep 1934 | Box 84 \ 4 scan0030 | |
| Suggestions to prevent oil from the rear axle casing getting onto the Bentley brakes. | 18th Sep 1934 | Box 84 \ 4 scan0031 | |
| Suggestions for modifying the Bentley Rear Axle casing, including plugging a drain hole and closing a machining slot. | 21th Sep 1934 | Box 84 \ 4 scan0032 | |
| Specific parts to be fitted to a Rear Axle for 5-B-IV. | 26th Sep 1934 | Box 84 \ 4 scan0033 | |
| Oil flinger tests for the Bentley Rear Axle, model GB.619. | 26th Sep 1934 | Box 84 \ 4 scan0034 | |
| Roller tail bearing for the Bentley Hypoid pinion, suggesting further experimentation on the current scheme. | 28th Sep 1934 | Box 84 \ 4 scan0035 | |
| The oil seal for the Bentley Rear Axle being too slack after passing the serrations on the shaft. | 1st Oct 1934 | Box 84 \ 4 scan0036 | |
| Oil flinger and 'Perfect Seal' gland tests for the Bentley rear axle, detailing issues with oil creep and modifications to improve sealing. | 1st Oct 1934 | Box 84 \ 4 scan0037 | |
| Requirement for a lower Bentley axle ratio due to increased body weight and higher engine revs. | 3rd Oct 1934 | Box 84 \ 4 scan0038 | |
| Analysis of a broken Bentley rear axle driving dog with two suggestions for strengthening the component. | 4th Oct 1934 | Box 84 \ 4 scan0039 | |
| Test report on a 'Perfect Seal' gland for a Bentley Rear Axle, including results from various run conditions. | 8th Oct 1934 | Box 84 \ 4 scan0040 | |
| Incorrectly sized oil seals for a Bentley rear axle and the arrangement for replacements. | 24th Oct 1934 | Box 84 \ 4 scan0041 | |
| The return of incorrectly sized oil seals from a supplier and arranging payment for replacements. | 25th Oct 1934 | Box 84 \ 4 scan0042 | |
| Oil flinger tests for a Bentley Rear Axle. | 20th Oct 1934 | Box 84 \ 4 scan0043 | |
| Testing 'Perfect Seal' glands on a Bentley rear axle, detailing a leak and proposed modifications. | 19th Nov 1934 | Box 84 \ 4 scan0044 | |
| Fitting and testing of a new lower axle ratio (10/43) for a Bentley. | 31th Dec 1934 | Box 84 \ 4 scan0045 | |
| Proposal to revert to a standard low geared axle for open Bentley models to prioritise acceleration over maximum speed. | 31th Dec 1934 | Box 84 \ 4 scan0046 | |
| Requesting a recommendation for a standard low axle for open Bentley models. | 2nd Jan 1935 | Box 84 \ 4 scan0047 | |
| | | | |
