| Description | Date | Identifier | |
| Test results for engine cooling system components, including radiator calibration and condenser performance. | 19th Dec 1932 | Box 179b \ 2 img236 | |
| Condenser performance tests, comparing plain and finned condensers and methods of condensate return. | 30th Dec 1932 | Box 179b \ 2 img237 | |
| Condenser testing, detailing the replacement of a blow-off valve and conclusions on the advantages of finned designs. | 30th Dec 1932 | Box 179b \ 2 img238 | |
| Graph comparing coolant performance in a Hawker Fury radiator using water and ethylene glycol mixtures. | 28th Dec 1932 | Box 179b \ 2 img239 | |
| Blueprint detailing the test arrangement of a leading edge condenser on a High Speed Fury aircraft. | 28th Dec 1932 | Box 179b \ 2 img240 | |
| Diagram of the method used for returning condensate to the header tank for the High-Speed Fury's centre section leading-edge condenser. | 28th Dec 1932 | Box 179b \ 2 img241 | |
| Full-size section drawing of a leading edge condenser with fins. | 20th Dec 1932 | Box 179b \ 2 img242 | |
| Arrangement of a model condenser in a wind stream. | 20th Dec 1932 | Box 179b \ 2 img243 | |
| Graph showing the calibration curve for Brass Constantan thermo-couples. | 20th Dec 1932 | Box 179b \ 2 img244 | |
| Graph showing the relationship between heat flow and the surface temperature of a condenser. | 20th Dec 1932 | Box 179b \ 2 img245 | |
| Graph plotting cooling over a leading edge condenser (without fins) against air speed on logarithmic scales. | 20th Dec 1932 | Box 179b \ 2 img246 | |
| Graph comparing the cooling performance of plain versus finned condensers against air speed. | 20th Dec 1932 | Box 179b \ 2 img247 | |
| Graph illustrating the relationship between servo multiplication of torque and brake force distribution for I.M. Brakes. | 20th Dec 1932 | Box 179b \ 2 img248 | |
| Interim report on tests conducted on leading edge condensers. | 20th Dec 1932 | Box 179b \ 2 img249 | |
| Tests on leading edge condensers, including temperature measurements and wind stream analysis. | 20th Dec 1932 | Box 179b \ 2 img250 | |
| Schematic diagram and calculations for a brake layout. | 20th Dec 1932 | Box 179b \ 2 img251 | |
| Partial blueprint showing a mechanical component with annotations. | 20th Dec 1932 | Box 179b \ 2 img252 | |
| Blueprint showing two views of a 66-inch panel with internal partitions and a scrap view detail. | 20th Dec 1932 | Box 179b \ 2 img253 | |
| Blueprint for a fabricated brass component with stiffeners. | 20th Dec 1932 | Box 179b \ 2 img254 | |
| Blueprint showing a detail of a condenser shell and a vent connection made of brass. | 20th Dec 1932 | Box 179b \ 2 img255 | |
| Blueprint detailing the construction and dimensions of a condenser, including fin placement and specifications. | 20th Dec 1932 | Box 179b \ 2 img256 | |
| Blueprint of an outline section for an experimental component made from brass sheet. | 20th Dec 1932 | Box 179b \ 2 img257 | |
| Drawing for a leading edge condenser, detailing the arrangement of internal stiffeners and fins. | 14th Nov 1932 | Box 179b \ 2 img258 | |
| Schematic for a brass condenser component with dimensions and assembly instructions. | 14th Nov 1932 | Box 179b \ 2 img259 | |
| Test results and further experiments on a damper governor control system. | 2nd Jan 1933 | Box 179b \ 3 img001 | |
| Test report on damper governor control, detailing pressure and time lag measurements. | 30th Dec 1932 | Box 179b \ 3 img002 | |
| Graph plotting valve spring rating against control movement percentage for the R.R.S 269 hand control system at various RPMs. | 23th Dec 1932 | Box 179b \ 3 img003 | |
| Four performance graphs for a J III Rear 40/40 LB Low Pressure double diaphragm system at various RPMs. | 23th Dec 1932 | Box 179b \ 3 img004 | |
| Tests and standardisation of an air silencer for the 25 HP carburetter. | 4th Jan 1933 | Box 179b \ 3 img005 | |
| Decision to order and standardise a new type of shock absorber for the 20/25 HP model. | 4th Jan 1933 | Box 179b \ 3 img006 | |
| Flight experience and proposed modifications for the Goshawk I carburettor's accelerating pump. | 4th Jan 1933 | Box 179b \ 3 img007 | |
| Continued description of a fuel pump plunger system's operation and comparison with a spring-loaded system. | 4th Jan 1933 | Box 179b \ 3 img008 | |
| Blueprint diagram and explanation of the Goshawk Carburettor's accelerating pump. | 3rd Jan 1933 | Box 179b \ 3 img009 | |
| Cross-sectional diagram of a pump assembly, noting the filling cap, piston, and spring. | 3rd Jan 1933 | Box 179b \ 3 img010 | |
| Preliminary rig test report for a combined pump and injector unit. | 6th Jan 1933 | Box 179b \ 3 img011 | |
| Preliminary rig test results for a combined pump and injector for a four-stroke C.I. engine. | 6th Jan 1933 | Box 179b \ 3 img012 | |
| Specifications and performance analysis of a fuel pump, including plunger details and injection pressure. | 6th Jan 1933 | Box 179b \ 3 img013 | |
| Fuel injection pump calculations, test rig setup, and initial performance results. | 6th Jan 1933 | Box 179b \ 3 img014 | |
| Test report detailing modifications and performance analysis of a fuel injection pump. | 6th Jan 1933 | Box 179b \ 3 img015 | |
| Fuel pump delivery calculations, performance testing, and future development plans. | 6th Jan 1935 | Box 179b \ 3 img016 | |
| Design improvements for injector pumps, specifically the relief passage and needle valve. | 2nd Jan 1935 | Box 179b \ 3 img017 | |
| Graph showing the discharge control position curve for a combined pump and injector. | 2nd Jan 1935 | Box 179b \ 3 img018 | |
| Blueprint graph of a combined pump and injector delivery curve, plotting injection quantity against pump speed. | 2nd Jan 1935 | Box 179b \ 3 img019 | |
| Cross-sectional blueprint diagram of a pump mechanism, labelled as Figure 1. | 30th Oct 1940 | Box 179b \ 3 img020 | |
| Blueprint cross-section of a fuel pump and injector. | 30th Oct 1940 | Box 179b \ 3 img021 | |
| Technical report on issues with the Peregrine clutch, specifically concerning slipping, torque, and casing distortion. | 7th Jan 1933 | Box 179b \ 3 img022 | |
| Continued analysis of clutch slipping and overheating, with a comparative table of different clutch specifications. | 7th Jan 1933 | Box 179b \ 3 img023 | |
| Comparison table of specifications for three different clutch types. | 7th Jan 1933 | Box 179b \ 3 img024 | |
| Modifications to improve the power output of a Bensport saloon engine. | 11th Jan 1933 | Box 179b \ 3 img025 | |
| Results of engine modifications on power output and reliability. | 11th Jan 1933 | Box 179b \ 3 img026 | |
| Performance graph comparing power output modifications for Mr. Bensport's J1 engine car. | 11th Jan 1933 | Box 179b \ 3 img027 | |
| Graph of Brake Horse Power (BHP) against RPM, with camshaft timing diagrams for a standard 25 HP and a Bensport camshaft. | 12th Jan 1933 | Box 179b \ 3 img028 | |
| Blueprint for a modification to a Bensport J.I. cylinder head, involving machining and trepanning. | 12th Jan 1933 | Box 179b \ 3 img029 | |
| Steering positions and the suitability of the 'E' Type steering column for the Peregrine model. | 11th Jan 1933 | Box 179b \ 3 img030 | |
| Acceptance test report for a Kestrel II.S. engine intended for a high-speed 'Fury' aircraft. | 12th Jan 1933 | Box 179b \ 3 img031 | |
| Engine power curves, adjustments, and performance tests. | 12th Jan 1933 | Box 179b \ 3 img032 | |
| Final engine test graph for a Kestrel II S engine, showing power curves, boost, and fuel consumption. | 10th Jan 1933 | Box 179b \ 3 img033 | |
| Visit to Curtiss Wright in Paterson, New Jersey, discussing engine design and ethylene glycol cooling. | 14th Jan 1931 | Box 179b \ 3 img034 | |
| Aircraft engine development, discussing cooling systems, brazing techniques, and competitor engines. | 14th Jan 1931 | Box 179b \ 3 img035 | |
| Notes on the design and performance of rotor, diffuser, piston, and bearing components. | 14th Jan 1931 | Box 179b \ 3 img036 | |
| Technical notes on the inspection and design of various engine components. | 1st Sep 1932 | Box 179b \ 3 img037 | |
| Comparative analysis of fuel, engine performance, detonation, and airscrew technology. | 1st Sep 1932 | Box 179b \ 3 img038 | |
| Technical report discussing motor mounting, propellers, mechanical failures, and observations on various aircraft. | 29th Jan 1930 | Box 179b \ 3 img039 | |
| Blueprint detailing features of Curtiss Wright engine construction. | 29th Jan 1930 | Box 179b \ 3 img040 | |
| Diagrams showing a piston profile, big end bearings, and a master rod arrangement. | 3rd Jan 1929 | Box 179b \ 3 img041 | |
| Diagrams for a radio screened ignition system and streamlined cowling with a spinner. | 24th Jan 1935 | Box 179b \ 3 img042 | |
| Investigation into fuel boiling and freezing problems with a Goshawk carburetter on a Kestrel engine. | 17th Jan 1933 | Box 179b \ 3 img043 | |
| Test report detailing the investigation into fuel boiling within a carburetter and its effects on engine performance. | 17th Jan 1931 | Box 179b \ 3 img044 | |
| Tests on fuel boiling and temperature changes within a carburetter floatchamber under various engine conditions. | 17th Jan 1933 | Box 179b \ 3 img045 | |
| Test report on carburetter water jacketing, fuel temperatures, and flooding causes. | 17th Jan 1931 | Box 179b \ 3 img046 | |
| Graph investigating fuel boiling in a Goshawk carburetter, showing fuel and water temperatures against engine RPM. | 1st Feb 1933 | Box 179b \ 3 img047 | |
| Chart investigating fuel boiling in a Goshawk carburettor on a Kestrel 27 engine. | 17th Jan 1934 | Box 179b \ 3 img048 | |
| Graph showing an investigation of fuel boiling on a Goshawk carburetter for a Kestrel 27 engine. | 6th Jul 1932 | Box 179b \ 3 img049 | |
| Performance of a Borg & Beck clutch for the 20/25 HP engine and related patent obligations. | 17th Jan 1933 | Box 179b \ 3 img050 | |
| Letter from Borg & Beck Company Ltd. concerning collaboration on clutch features and materials. | 12th Jan 1933 | Box 179b \ 3 img051 | |
| The condition of shock dampers from a 10,000-mile trial car. | 19th Jan 1933 | Box 179b \ 3 img052 | |
| Inspection report detailing the condition and wear of various engine components. | 19th Jan 1933 | Box 179b \ 3 img053 | |
| Analysis of external pressure cylinders, glands, and dampers, noting their condition and weakest features. | 19th Jan 1933 | Box 179b \ 3 img054 | |
| Confirming an investigation into substituting dole fittings for banjos on the governor control for shock dampers. | 23th Jan 1933 | Box 179b \ 3 img055 | |
| US motor show, focusing on a new G.M. body ventilation system and its potential application. | 23th Jan 1933 | Box 179b \ 3 img056 | |
| Letter from New York detailing new features at a Motor Show, including automatic systems and the 'Fisher' No-Draft ventilating scheme. | 23th Jan 1933 | Box 179b \ 3 img057 | |
| Review of innovations in radiator fans, valve springs, and frame stiffeners from other car manufacturers. | 23th Jan 1933 | Box 179b \ 3 img058 | |
| Flexible engine mounting and a detailed sketch of an aero screened ignition system. | 23th Jan 1933 | Box 179b \ 3 img059 | |
| Outlining a travel and meeting schedule across various US cities. | 23th Jan 1933 | Box 179b \ 3 img060 | |
| Road test of a car with a mock-up J.1 unit, evaluating its performance and handling. | 23th Jan 1933 | Box 179b \ 3 img061 | |
| Covering memo for a report on the Peregrine 2 engine after 12,000 miles of testing in France. | 24th Jan 1933 | Box 179b \ 3 img062 | |
| The condition of engine FER.11 after being dismantled following a 12,000 miles test. | 24th Jan 1933 | Box 179b \ 3 img063 | |
| Inspection report detailing wear and issues with an automatic governor, water pump, and clutch assembly. | 24th Jan 1933 | Box 179b \ 3 img064 | |
| Inspection report detailing wear on various engine and drivetrain components. | 24th Jan 1933 | Box 179b \ 3 img065 | |
| The condition of vehicle components following a strip-down inspection. | 24th Jan 1933 | Box 179b \ 3 img066 | |
| Faults with hydraulic dampers, axle brackets, and the chassis frame. | 24th Jan 1933 | Box 179b \ 3 img067 | |
| Photographic record of various upper and lower engine bearing halves. | 25th Jan 1933 | Box 179b \ 3 img068 | |
| Proposing to standardize a larger 28-gallon petrol tank for the Phantom II model to increase its range. | 25th Jan 1933 | Box 179b \ 3 img069 | |
| Development, modifications, and production plans for the Bensport car. | 27th Jan 1933 | Box 179b \ 3 img070 | |
| Production economics of the proposed Bentsport model and the strategy for the Bentley business. | 27th Jan 1933 | Box 179b \ 3 img071 | |
| Flight tests of a steam-cooled Hart aircraft, focusing on modifications to the cooling system to prevent freezing. | 30th Jan 1933 | Box 179b \ 3 img072 | |
| Proposal to build and test a 'HASL' pump for the Kestrel. | 24th Sep 1934 | Box 179b \ 3 img073 | |
| Schematic diagram of the Steam Cooled Hart system. | 31th Jan 1933 | Box 179b \ 3 img074 | |
| Graph plotting various temperatures against altitude during a climb test of a Hart K.1102 aircraft. | 18th Feb 1923 | Box 179b \ 3 img075 | |
| Lever test rig failure, where the case cracked and bearings seized due to a hollow shaft deforming. | 30th Jan 1933 | Box 179b \ 3 img076 | |
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