| Description | Date | Identifier | |
| Test report on magneto performance, detailing primary/secondary resistances and milli-ampere readings. | 31th Jul 1922 | West Wittering \ I \ July1922 Scan130 | |
| Performance comparison graph of DC Volts and Amperes versus RPM for various dynamos. | 10th Jul 1922 | West Wittering \ I \ July1922 Scan131 | |
| Test report measuring the slip of the Goshawk fan belt and its effect on radiator airflow. | 1st Jun 1922 | West Wittering \ I \ June1922 Scan0 | |
| Inlet and outlet water temperature tests at various speeds, including a table of results and conclusions on Goshawk cooling. | 1st Jun 1922 | West Wittering \ I \ June1922 Scan1 | |
| Report detailing daily mileage, total mileage since leaving Derby, and the failure of a CAV dynamo. | 4th Jun 1922 | West Wittering \ I \ June1922 Scan2 | |
| Heat damage to a dynamo and a battery, causing insulation failure and melting. | 6th Jun 1922 | West Wittering \ I \ June1922 Scan3 | |
| Report detailing vehicle faults including a broken speedometer and worn spring shackles. | 29th Jun 1922 | West Wittering \ I \ June1922 Scan4 | |
| Broken swan neck exhaust pipe bracket being patched with wire, following a request for spare top spring plates. | 2nd Jun 1922 | West Wittering \ I \ June1922 Scan5 | |
| The condition and replacement of tyres for car 79II. | 4th Jun 1922 | West Wittering \ I \ June1922 Scan6 | |
| Tyre defects and a cracked crankcase on car 79H. | 13th Jun 1922 | West Wittering \ I \ June1922 Scan7 | |
| Examination report on a Goshawk 11 engine cylinder head after boiling and detonation tests. | 7th Jun 1932 | West Wittering \ I \ June1922 Scan8 | |
| Engine run without water, detailing observations and proposing further road tests to reproduce a cylinder head failure. | 23th Jun 1922 | West Wittering \ I \ June1922 Scan9 | |
| Testing a Goshawk 11 gearbox vent, which resulted in oil leakage and emulsion. | 9th Jun 1922 | West Wittering \ I \ June1922 Scan10 | |
| Report of a recurring front spring failure on car 6-Goshawk-11 and the dispatch of new replacement springs. | 9th Jun 1922 | West Wittering \ I \ June1922 Scan11 | |
| Failing Goshawk II battery box brackets and a proposal for a more secure modification. | 10th Jun 1922 | West Wittering \ I \ June1922 Scan12 | |
| Testing of Goshawk II rear axle shafts made from two different types of steel. | 2nd Jun 1922 | West Wittering \ I \ June1922 Scan13 | |
| Investigation into Goshawk engine cooling issues and cylinder head cracking due to material choice. | 13th Jun 1922 | West Wittering \ I \ June1922 Scan14 | |
| Investigation into why some cylinder heads cracked, attributing the cause to the material or its condition. | 13th Jun 1922 | West Wittering \ I \ June1922 Scan15 | |
| Letter detailing mileage and observations on engine overheating during a road test. | 14th Jun 1922 | West Wittering \ I \ June1922 Scan16 | |
| Engine cooling tests comparing performance with and without a bonnet, alongside notes on various mechanical repairs. | 14th Jun 1922 | West Wittering \ I \ June1922 Scan17 | |
| Faulty ball bearing, and a discussion of personnel and vehicle logistics. | 14th Jun 1922 | West Wittering \ I \ June1922 Scan18 | |
| The unavailability of a car designated for an amateur drivers test. | 4th Jun 1922 | West Wittering \ I \ June1922 Scan19 | |
| Telegram received by telephone regarding the commencement of an 'amateurs test'. | 14th Jun 1922 | West Wittering \ I \ June1922 Scan20 | |
| Return of car G-Goshawk-11 to the Works and plans for fitting modified parts. | 14th Jun 1922 | West Wittering \ I \ June1922 Scan21 | |
| Road test in France detailing the testing of new fan blades to solve an engine overheating problem. | 10th Jun 1922 | West Wittering \ I \ June1922 Scan22 | |
| Road testing, detailing issues with dynamo noise, tappets, and engine boiling, with suggestions for future monitoring. | 10th Jun 1922 | West Wittering \ I \ June1922 Scan23 | |
| Vehicle's road test performance, detailing overheating on a hill, brake squeak, gearbox rattle, and a mileage log. | 14th Jun 1932 | West Wittering \ I \ June1922 Scan24 | |
| Weights of the Goshawk 11 car and a comparison of front axle weights with the 40/50 HP model. | 14th Jun 1932 | West Wittering \ I \ June1922 Scan25 | |
| The weights of various Goshawk car body styles with and without passengers. | 14th Jun 1932 | West Wittering \ I \ June1922 Scan26 | |
| Comparison of front axle weights between the 40/50 HP and Goshawk II models. | 15th Jun 1922 | West Wittering \ I \ June1922 Scan27 | |
| Hill climb test out of Vizille, detailing performance, weather conditions, and gradient calculations. | 15th Jun 1922 | West Wittering \ I \ June1922 Scan28 | |
| Upholstery dye running when wet and a request for a replacement dynamo due to a noisy bearing. | 15th Jun 1922 | West Wittering \ I \ June1922 Scan29 | |
| The comparative test of standard nickel chrome and air hardened axle shafts for the Goshawk car. | 6th Jun 1922 | West Wittering \ I \ June1922 Scan30 | |
| Dispatch of and modifications to a Goshawk Limousine, X4219. | 9th Jun 1922 | West Wittering \ I \ June1922 Scan31 | |
| Test report on the Goshawk engine's cooling system performance when started with low water levels. | 19th Jun 1922 | West Wittering \ I \ June1922 Scan32 | |
| Test report on Goshawk & Focker rollers, noting the formation of flats and recommending a new design to replace them. | 19th Jun 1922 | West Wittering \ I \ June1922 Scan33 | |
| The performance and premature wear issues of Hartford shock absorbers fitted to cars. | 22th Jun 1922 | West Wittering \ I \ June1922 Scan34 | |
| Continued memo regarding a guarantee for shock absorbers and increased bearing areas. | 28th Jun 1922 | West Wittering \ I \ June1922 Scan35 | |
| Front spring failures for the Goshawk model, and the testing of new springs with an increased rating. | 28th Jun 1922 | West Wittering \ I \ June1922 Scan36 | |
| Issues with cracking Goshawk aluminium brake shoes and the proposed modifications. | 1st Jun 1922 | West Wittering \ I \ June1922 Scan37 | |
| Cracking issues discovered in Goshawk cast iron cylinder heads. | 28th Jun 1922 | West Wittering \ I \ June1922 Scan38 | |
| Continuation page discussing component stress and the risk of cracking when an engine runs out of water. | 28th Jun 1922 | West Wittering \ I \ June1922 Scan39 | |
| Issues with the preparation, engine, and body of a 3-Goshawk-11 car. | 29th Jun 1922 | West Wittering \ I \ June1922 Scan40 | |
| Issues and modifications to a car, including problems with the controls, accelerator, and dynamo. | 30th Jun 1922 | West Wittering \ I \ June1922 Scan41 | |
| Deficiencies found in a 7-Goshawk-11 car, including issues with the rear wheel, brakes, and steering. | 30th Jun 1922 | West Wittering \ I \ June1922 Scan42 | |
| Failure and testing of a Goshawk steering box and its supporting tube. | 30th Jun 1932 | West Wittering \ I \ June1922 Scan43 | |
| Analysis of engine unit movement and steering box failure, specifically referencing Goshawk models. | 1st Jun 1922 | West Wittering \ I \ June1922 Scan44 | |
| Trial of a Hoffmann deep groove bearing for the Goshawk rear axle, in competition with a New Departure bearing. | 1st Jun 1922 | West Wittering \ I \ June1922 Scan45 | |
| Fitment, clearances, and proposed design alteration of the Goshawk undershield. | 1st Jun 1922 | West Wittering \ I \ June1922 Scan46 | |
| Treatment of an undershield on a sloping cross member, referencing the Goshawk design. | 2nd Jun 1922 | West Wittering \ I \ June1922 Scan47 | |
| Ignition issues with a No.4 Goshawk engine, detailing problems with the distributor, rocker spring, and spark plug adjustments. | 2nd Jun 1922 | West Wittering \ I \ June1922 Scan48 | |
| Improvements for Goshawk steering column controls and instrument board fittings. | 2nd Jun 1922 | West Wittering \ I \ June1922 Scan49 | |
| Revised layout of the Goshawk instrument board. | 2nd Jun 1922 | West Wittering \ I \ June1922 Scan50 | |
| Modifications to the Goshawk bonnet and radiator to alter its proportions from the 40/50 model. | 2nd Jun 1922 | West Wittering \ I \ June1922 Scan51 | |
| The poor quality of Goshawk engine tappets, detailing issues with non-hardened, incorrectly sized nuts, screws, and spanners. | 2nd Jun 1922 | West Wittering \ I \ June1922 Scan52 | |
| Ignition issues and suggested modifications for a Goshawk engine. | 2nd Jun 1922 | West Wittering \ I \ June1922 Scan53 | |
| Fortunate failure of experimental Goshawk dynamo brushes. | 7th Jun 1922 | West Wittering \ I \ June1922 Scan54 | |
| Confirmation of a wire from Royce regarding a fracture caused by water loss and suggested modifications. | 7th Jun 1922 | West Wittering \ I \ June1922 Scan55 | |
| Cause of and potential solutions for a cracked Goshawk engine cylinder head. | 7th Jun 1922 | West Wittering \ I \ June1922 Scan56 | |
| Comparing Dunlop and Rudge-Whitworth wheels for the Goshawk project. | 7th Jun 1922 | West Wittering \ I \ June1922 Scan57 | |
| Complaint and replacement offer for a Dunlop tyre cover for a Delage car. | 8th Jun 1922 | West Wittering \ I \ June1922 Scan58 | |
| Lubrication options for the Goshawk pedal countershaft. | 8th Jun 1922 | West Wittering \ I \ June1922 Scan59 | |
| Internal memorandum discussing revised 'D' type floorboards for the Goshawk project. | 8th Jun 1922 | West Wittering \ I \ June1922 Scan60 | |
| Modifications to the Goshawk engine's water circulation system, including pipes, fan, and radiator. | 9th Jun 1922 | West Wittering \ I \ June1922 Scan61 | |
| Query investigating the effects of water loss and overheating on the cooling system, specifically regarding temperature rise and alarm signals. | 9th Jun 1922 | West Wittering \ I \ June1922 Scan62 | |
| Use of tougher metals and modifications for Goshawk engine cylinder heads to prevent cracking. | 9th Jun 1922 | West Wittering \ I \ June1922 Scan63 | |
| The overheating of the Goshawk engine, suggesting tests and material improvements for castings. | 9th Jun 1922 | West Wittering \ I \ June1922 Scan64 | |
| Proposal by Mr. Royce to fit Goshawk handles to the 40/50 bonnet to make it easier to lift. | 9th Jun 1922 | West Wittering \ I \ June1922 Scan65 | |
| The status of modifications to the Goshawk Bendix to prevent sticking. | 9th Jun 1922 | West Wittering \ I \ June1922 Scan66 | |
| Incorrectly fitted rubber strip on the Goshawk radiator suspension. | 9th Jun 1922 | West Wittering \ I \ June1922 Scan67 | |
| Standardising spring washers based on drawing TDC 1594 and removing certain nut sizes from standard lists. | 10th Jun 1922 | West Wittering \ I \ June1922 Scan68 | |
| Modifications to the Goshawk 11 cylinder head to reduce cracking. | 13th Jun 1922 | West Wittering \ I \ June1922 Scan69 | |
| 40/50 engine cooling, the effects of running without water, and experiments to prevent boiling. | 13th Jun 1922 | West Wittering \ I \ June1922 Scan70 | |
| Comparative tests on water loss from boiling with different radiator filler caps. | 13th Jun 1932 | West Wittering \ I \ June1922 Scan71 | |
| Engine boiling time and steam loss with and without the fan operating. | 13th Jun 1922 | West Wittering \ I \ June1922 Scan72 | |
| The design and specifications for the Goshawk instrument board. | 14th Jun 1922 | West Wittering \ I \ June1922 Scan73 | |
| Page 2 of a letter detailing that a board must be fixed to the scuttle and a coachwork print will be sent. | 14th Jun 1922 | West Wittering \ I \ June1922 Scan74 | |
| Proposed modifications to the steering column controls for the Goshawk. | 14th Jun 1922 | West Wittering \ I \ June1922 Scan75 | |
| Proposed improvements for Goshawk tappet rollers to prevent flats. | 16th Jun 1922 | West Wittering \ I \ June1922 Scan76 | |
| Proposed modifications to the Goshawk bonnet and radiator. | 16th Jun 1922 | West Wittering \ I \ June1922 Scan77 | |
| Following Mr. Rowledge's visit, outlining decisions on the Aero Engine Programme, including swash plate experiments and engine starters. | 19th Jun 1922 | West Wittering \ I \ June1922 Scan78 | |
| Policy document outlining future design considerations for new aero engines, including various cylinder configurations and power outputs. | 7th Jun 1932 | West Wittering \ I \ June1922 Scan79 | |
| Hardening processes for parts and failures related to Eagle gears. | 19th Jun 1922 | West Wittering \ I \ June1922 Scan80 | |
| From RS to EFC providing Mr. Royce's remarks on several standardisation sheets. | 19th Jun 1922 | West Wittering \ I \ June1922 Scan81 | |
| Stiff Goshawk valve gear rocker spindle, questioning the Experimental department about the need for a stronger design. | 20th Jun 1922 | West Wittering \ I \ June1922 Scan82 | |
| Modifications to the Goshawk fan mounting, putting a hold on the production of the fan bracket and hub. | 21th Jun 1922 | West Wittering \ I \ June1922 Scan83 | |
| Modifications for the Goshawk carburetter. | 20th Jun 1922 | West Wittering \ I \ June1922 Scan84 | |
| Recommendation to standardise a modification for the 2 BA box spanner. | 20th Jun 1922 | West Wittering \ I \ June1922 Scan85 | |
| Sketch for a raised Goshawk 'B' type steering wheel. | 20th Jun 1922 | West Wittering \ I \ June1922 Scan86 | |
| Alterations to the Goshawk engine, specifically cancelling rollers on valves due to flats forming and replacing them with case-hardened rockers. | 21th Jun 1922 | West Wittering \ I \ June1922 Scan87 | |
| Suggested modification to the radiator height and width on the No. 3 Goshawk Limousine. | 21th Jun 1922 | West Wittering \ I \ June1922 Scan89 | |
| Car body types and features for the Goshawk model. | 23th Jun 1922 | West Wittering \ I \ June1922 Scan90 | |
| Modifications to the Goshawk crankcase bolting at the rear end. | 23th Jun 1922 | West Wittering \ I \ June1922 Scan91 | |
| The arrangement of the Goshawk throttle control. | 23th Jun 1922 | West Wittering \ I \ June1922 Scan92 | |
| Design feedback on the No.3 Goshawk Hooper Original Limousine, covering its appearance, steering, and pedals. | 23th Jun 1922 | West Wittering \ I \ June1922 Scan93 | |
| Feedback and proposed modifications for a vehicle's floorboards, seating, clutch, body, radiator, and tank. | 23th Jun 1922 | West Wittering \ I \ June1922 Scan94 | |
| Modifications to a car's radiator, bodywork, and chassis. | 23th Jun 1922 | West Wittering \ I \ June1922 Scan95 | |
| Issues found with the No. 3 Goshawk Hooper limousine upon its arrival. | 23th Jun 1922 | West Wittering \ I \ June1922 Scan96 | |
| Poor condition of a chassis due to a faulty non-standard dynamo and neglect. | 10th Dec 1920 | West Wittering \ I \ June1922 Scan97 | |
| Goshawk engine's performance issues and proposing a test arrangement for future designs like the Vulture marine engine. | 23th Jun 1922 | West Wittering \ I \ June1922 Scan98 | |
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