| Description | Date | Identifier | |
| Confirming the decision to dynamically balance all fans using a special machine from Giesler's. | 15th Jul 1935 | Box 86 \ 5 scan0056 | |
| Request to modify the Bentley 20/25 flexible bladed fan due to a crack developing at the root during testing. | 19th Mar 1936 | Box 86 \ 5 scan0057 | |
| Bentley quarterly complaints about fan bracket and hub failures, suggesting they may be due to unbalanced fans. | 29th Apr 1936 | Box 86 \ 5 scan0058 | |
| Testing, failure, and proposed redesign of flexible blade fans for 20/25 HP & Bentley models. | 15th May 1936 | Box 86 \ 5 scan0059 | |
| Invoice from Bentley Motors for two fan belts supplied to Mr. Steadman. | 31th Aug 1936 | Box 86 \ 5 scan0060 | |
| Official order be sent to Bentley Motors for two fan belts. | 1st Sep 1936 | Box 86 \ 5 scan0061 | |
| Requesting an order be passed to Bentley Motors Ltd. for two fan belts. | 31th Aug 1936 | Box 86 \ 5 scan0062 | |
| Official order for a fan belt from British Goodrich Tyre & Rubber Co., Ltd. | 10th Nov 1936 | Box 86 \ 5 scan0063 | |
| Fan breakages on a Bentley, suspecting a lack of balance as the cause. | 3rd Nov 1936 | Box 86 \ 5 scan0064 | |
| Requesting a new standard Bentley fan to be fitted to a customer's car at the Paris Dept. | 4th Nov 1936 | Box 86 \ 5 scan0065 | |
| Proposal outlining modifications to reduce the cost of Bentley and 25/30 fans. | 14th Nov 1936 | Box 86 \ 5 scan0066 | |
| Requesting endurance and power loss tests on various Bentley car fans following a failure. | 18th Nov 1936 | Box 86 \ 5 scan0067 | |
| Request for a cost estimate to manufacture Phantom III fan pulleys from sheet metal pressings versus machining from solid. | 27th Nov 1936 | Box 86 \ 5 scan0068 | |
| Proposal to reduce production costs for Bentley and 25/30 HP fans by standardizing components. | 1st Dec 1936 | Box 86 \ 5 scan0069 | |
| Cost savings for a new fan type and a design update for the fan pulley on Bentley and Phantom III cars. | 27th Nov 1936 | Box 86 \ 5 scan0070 | |
| Request to place an official order for fan belts from British Goodrich Ltd. | 12th Dec 1936 | Box 86 \ 5 scan0071 | |
| Six fan belts to be sent to The British Tyre & Rubber Co. Ltd. | 17th Dec 1936 | Box 86 \ 5 scan0072 | |
| The modification of two standard Bentley fans for testing and standardization purposes. | 12th Mar 1937 | Box 86 \ 5 scan0073 | |
| Tests conducted on pressed sets of fan blades for Bentley and 25/30HP cars. | 4th May 1937 | Box 86 \ 5 scan0074 | |
| Proposal to adopt the EW.947 fan blade set for 25/30.HP and Bentley cars after a 15,000-mile test. | 4th May 1937 | Box 86 \ 5 scan0075 | |
| Comparison of different fan types on a Bentley car B.56.BN, recording critical air temperatures at various speeds. | 4th May 1937 | Box 86 \ 5 scan0076 | |
| Comparison of different fan blades and their critical air temperature under engine idling conditions on a 22.G.V. car. | 24th Nov 1937 | Box 86 \ 5 scan0077 | |
| Failure of a fan blade on car 6.B.IV. | 24th Nov 1937 | Box 86 \ 5 scan0078 | |
| Laboratory report on the failure analysis of a Wraith Fan EW.947, detailing material and design flaws. | 16th Nov 1937 | Box 86 \ 5 scan0079 | |
| Lack of fan lubrication on 'M' series Bentley cars and proposing a modification. | 8th Jun 1938 | Box 86 \ 5 scan0080 | |
| Alternative schemes for supporting the Bensport engine. | 18th Jun 1932 | Box 86 \ 5 scan0081 | |
| Blueprint proposal for the Bensport engine suspension system. | 28th Jun 1932 | Box 86 \ 5 scan0082 | |
| Design of the Bensport engine mounting, including its cross member and flexible links. | 27th Aug 1932 | Box 86 \ 5 scan0083 | |
| Use of ball joints and rods on a front axle. | 27th Aug 1932 | Box 86 \ 5 scan0084 | |
| Unsatisfactory aspects of the Bensport front engine suspension and proposing modifications. | 19th Sep 1932 | Box 86 \ 5 scan0085 | |
| Two alternative designs for the Bensport (J.1) rear engine suspension, one using a Ferodo ring and another a rubber ring. | 7th Nov 1932 | Box 86 \ 5 scan0086 | |
| Bensport gearbox suspension, its supports, and removal procedure. | 12th Mar 1932 | Box 86 \ 5 scan0087 | |
| Tests to measure the constraint that various components have on engine movement for the 4.B.IV model. | 8th Aug 1933 | Box 86 \ 5 scan0088 | |
| Graph plotting deflection versus applied torque for various vehicle assembly configurations. | 22th Aug 1933 | Box 86 \ 5 scan0089 | |
| Knocking issue with the Bentley engine mounting bush. | 22th Aug 1933 | Box 86 \ 5 scan0090 | |
| Use of graphite-impregnated bakelite for Bentley front engine mounting bearing bushes. | 22th Aug 1933 | Box 86 \ 5 scan0091 | |
| Issues with a Ferobestos bush (EB.184) on the Bentley engine mounting, and an urgent order for experimental replacements made from Continental Bakelite. | 25th Aug 1933 | Box 86 \ 5 scan0092 | |
| Sample Oilite Bush for the Bentley engine suspension. | 29th Aug 1933 | Box 86 \ 5 scan0093 | |
| Request to order six experimental Oilite bushes for a Bentley engine mounting. | 7th Sep 1933 | Box 86 \ 5 scan0094 | |
| Experiments with rubber rear engine mountings on a Bentley to improve smoothness and reduce engine boom. | 11th Dec 1933 | Box 86 \ 5 scan0095 | |
| Cross-sectional drawing of a gearbox cross-member mounting bracket assembly. | 13th Dec 1933 | Box 86 \ 5 scan0096 | |
| The development of Bentley rubber rear engine mountings for improved smoothness. | 13th Dec 1933 | Box 86 \ 5 scan0097 | |
| Development of rubber engine mountings for Bentley models to improve smoothness and reduce vibrations. | 13th Dec 1933 | Box 86 \ 5 scan0098 | |
| Title page or brief note concerning the Bentley engine. | 14th Dec 1933 | Box 86 \ 5 scan0099 | |
| Bentley smoothness and rubber rear engine mounting ahead of a conference. | 14th Dec 1933 | Box 86 \ 5 scan0100 | |
| Standardisation of an Oillite Bush for Front Engine Suspension. | 20th Dec 1933 | Box 86 \ 5 scan0101 | |
| Lack of progress on adopting flexible engine mountings. | 6th Mar 1934 | Box 86 \ 5 scan0102 | |
| Inquiring about the adoption of 'floating power' engine mountings, as seen in American cars. | 1st Dec 1932 | Box 86 \ 5 scan0103 | |
| Progress and plans for developing engine mountings for Bentley and Spectre models. | 17th Mar 1934 | Box 86 \ 5 scan0104 | |
| Engine mounting issues for the 40/50 and 20/25 models, and the purchase of a Terraplane 6-cylinder for research. | 20th Mar 1934 | Box 86 \ 5 scan0105 | |
| Proposing to test a Terraplane engine mounting on a Bentley chassis to address wing flap and engine roughness. | 22th Mar 1934 | Box 86 \ 5 scan0106 | |
| Engine mounting schemes, including a central mounting for the radiator, wings and lamps, and rear mounting flexibility for the 10,000 mile Bentley to eliminate booms. | 22th Mar 1934 | Box 86 \ 5 scan0107 | |
| Blueprint for a Bentley Rear Engine Mounting, mentioning modifications and comparisons to a Terraplane. | 21th Mar 1934 | Box 86 \ 5 scan0108 | |
| Blueprint for an experimental Bentley front engine support. | 21th Apr 1934 | Box 86 \ 5 scan0109 | |
| Adaptation of front engine mountings and a cantilever pedal scheme for a Bentley Terraplane Type. | 1st May 1934 | Box 86 \ 5 scan0110 | |
| The issue of the gearbox hitting the floorboards due to Terraplane engine mountings on the Bentley, and the proposed solution. | 7th May 1934 | Box 86 \ 5 scan0111 | |
| The difficulties encountered when experimentally fitting a Terraplane mounting to a Bentley car. | 14th May 1934 | Box 86 \ 5 scan0112 | |
| Technical report page discussing engine mounting results and solutions for various component rattles and movements. | 14th May 1934 | Box 86 \ 5 scan0113 | |
| Need for a stronger stay for the back of the gearbox on the Terraplane engine mounting for a Bentley. | 28th May 1934 | Box 86 \ 5 scan0114 | |
| Investigations into clutch trouble and flexible engine mounting by visiting other car manufacturers. | 14th Jun 1934 | Box 86 \ 5 scan0115 | |
| Visit to Rover Cars, discussing their experimental features, transmissions, and coachwork, with an attached diagram of a clutch mechanism. | 14th Jun 1934 | Box 86 \ 5 scan0116 | |
| List of particulars for a Morris cork clutch. | 14th Jun 1934 | Box 86 \ 5 scan0117 | |
| Request to make two sets of parts for Bentley Rear Engine Feet to be sent to France. | 5th Jul 1934 | Box 86 \ 5 scan0118 | |
| Bentley Flex. Engine Mounting, detailing a new scheme for a larger overflow oil pipe and a modified gearbox bracket. | 14th Jul 1934 | Box 86 \ 5 scan0119 | |
| Implementation of complete rubber engine mounting on a Bentley model. | 17th Jul 1934 | Box 86 \ 5 scan0120 | |
| Distortion of a Bentley engine suspension crossmember and the provision of a stiffener. | 23th Jul 1934 | Box 86 \ 5 scan0121 | |
| Requesting the modification of a cross member on the 25 HP Bump chassis to a new scheme applicable to both Bentley and 25 HP cars. | 24th Jul 1934 | Box 86 \ 5 scan0122 | |
| Letter to The British Goodrich Rubber Co. Ltd. arranging a meeting to discuss engine mounting rubbers. | 2nd Aug 1934 | Box 86 \ 5 scan0123 | |
| Letter to Leyland & Birmingham Rubber Co. Ltd. arranging a follow-up visit due to new difficulties. | 2nd Aug 1934 | Box 86 \ 5 scan0124 | |
| Proposal for a Bentley flexible engine mounting clutch pedal connection. | 29th Aug 1934 | Box 86 \ 5 scan0125 | |
| The front flexible engine mounting for a Bentley 10,000 mile car. | 6th Sep 1934 | Box 86 \ 5 scan0126 | |
| Requesting drawing numbers and details for Bentley car parts to ensure production accuracy. | 13th Sep 1934 | Box 86 \ 5 scan0127 | |
| Omitted detail in the rubber engine mounting schemes for the Bentley. | 1st Nov 1934 | Box 86 \ 5 scan0128 | |
| List of required items concerning the Bentley Flexible Engine Mounting. | 1st Nov 1934 | Box 86 \ 5 scan0129 | |
| Standardisation of a rubber mounting crossmember at the rear of the engine. | 5th Nov 1934 | Box 86 \ 5 scan0130 | |
| Estimated cost and production details for extra jigs, tools, and equipment for the 'D' series chassis. | 28th Sep 1934 | Box 86 \ 5 scan0131 | |
| Engine mounting rubbers for the 20/25 HP & Bentley models. | 3rd Jan 1935 | Box 86 \ 5 scan0132 | |
| Lightening the design of 25 HP torque reaction dampers and their potential application to the Bentley. | 6th Mar 1935 | Box 86 \ 5 scan0133 | |
| Requesting to fit a lightened torque reaction damper to S-B-IV before it goes to France, listing the relevant part numbers. | 8th Mar 1935 | Box 86 \ 5 scan0134 | |
| Required design modification for a thermometer pipe on a Bentley due to full rubber engine mounting. | 11th Mar 1935 | Box 86 \ 5 scan0135 | |
| Cause and solution for a breaking thermometer tube due to engine movement. | 8th Mar 1935 | Box 86 \ 5 scan0136 | |
| Diagram indicating the location of previous breakages on a pipe connection. | 11th Apr 1935 | Box 86 \ 5 scan0137 | |
| Drawings for flexible water connections and throttle controls for the Bentley all-rubber engine mounting. | 11th Apr 1935 | Box 86 \ 5 scan0138 | |
| Request to fit pipes, rubber connections, and new throttle controls to a Bentley chassis. | 16th Apr 1935 | Box 86 \ 5 scan0139 | |
| Requesting the replacement of collapsed front engine mounting rubbers on a Spectre I car. | 26th Jun 1935 | Box 86 \ 5 scan0140 | |
| Internal request to issue an order to the British Tyre & Rubber Co. Ltd. for specific invoices. | 13th Sep 1935 | Box 86 \ 5 scan0141 | |
| Letter to The British Tyre & Rubber Co. Ltd. requesting a range of experimental engine mounting rubbers. | 13th Sep 1935 | Box 86 \ 5 scan0142 | |
| Letter from British Tyre & Rubber Co. Ltd. confirming the preparation of requested samples. | 14th Sep 1935 | Box 86 \ 5 scan0143 | |
| Letter from British Tyre & Rubber Co. Ltd. regarding the preparation of samples for Part F. 60398/9 and the supply of metal parts. | 17th Sep 1935 | Box 86 \ 5 scan0144 | |
| Covering order request for special rubbers and steel inserts to be sent to the British Tyre & Rubber Co. Ltd. | 24th Sep 1935 | Box 86 \ 5 scan0145 | |
| Letter to the British Tyre & Rubber Co. Ltd. about supplying metal parts to enable the production of special rubbers. | 24th Sep 1935 | Box 86 \ 5 scan0146 | |
| Follow-up letter from British Tyre & Rubber Co. Ltd. about the supply of metal parts for a Front Engine Rubber component. | 24th Sep 1935 | Box 86 \ 5 scan0147 | |
| Standardisation of parts for lightened type torque reaction dampers. | 15th Jun 1935 | Box 86 \ 5 scan0148 | |
| Cost estimation for extra jigs, tools and equipment, with a cost comparison of old versus new parts. | 27th Aug 1935 | Box 86 \ 5 scan0149 | |
| Requesting a drawing for a raised front engine mounting for a Bentley. | 3rd May 1937 | Box 86 \ 5 scan0150 | |
| Two schemes for a coil bracket for the Bentley High Engine Mounting. | 8th Jun 1937 | Box 86 \ 5 scan0151 | |
| Internal request to place an official order for various rubber parts for a Bentley engine mounting. | 26th Oct 1937 | Box 86 \ 5 scan0152 | |
| Additional order for a rubber engine mounting for a Bentley. | 30th Oct 1937 | Box 86 \ 5 scan0153 | |
| Request to place an official order with the British Tyre & Rubber Co. for moulding rubber for a Bentley front engine mounting. | 13th Nov 1937 | Box 86 \ 5 scan0154 | |
| Design changes and material specifications for the Bensfort radiator. | 18th Oct 1932 | Box 87 \ 1 scan0001 | |
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