| Description | Date | Identifier | |
| Dynamo and starter motor for the 'Goshawk II'. | 24th Aug 1921 | Box 51 \ 5 Scan027 | |
| The earthing of externally produced Goshawk II dynamo and motor parts. | 9th Sep 1921 | Box 51 \ 5 Scan028 | |
| Modifications to starter motors and dynamos for the 'Goshawk' earthed electrical system. | 10th Sep 1921 | Box 51 \ 5 Scan029 | |
| Suitability of dynamos and motors from various manufacturers for the Goshawk II engine's earthed electrical system. | 13th Sep 1921 | Box 51 \ 5 Scan030 | |
| The testing and evaluation of C.A.V. dynamos and motors for the Goshawk car. | 13th Sep 1921 | Box 51 \ 5 Scan031 | |
| The poor performance of a motor for the 40/50 chassis, its heavy current draw, and the necessary modifications for its application. | 13th Sep 1921 | Box 51 \ 5 Scan032 | |
| Comparing dynamos and motors from suppliers Rotax, Lucas, C.A.V., and Smith for the Goshawk II. | 13th Oct 1921 | Box 51 \ 5 Scan033 | |
| Modifications to the dynamo and starter motor drives for Goshawk 11 and 40/50 models. | 15th Dec 1921 | Box 51 \ 5 Scan034 | |
| Unsatisfactory drives, recommending magnetic operating for a 40/50 modified engine and ceasing use of Rotax. | 15th Dec 1921 | Box 51 \ 5 Scan035 | |
| Comparative table of specifications for various starter motors for a small car. | 23th May 1927 | Box 51 \ 5 Scan036 | |
| Sourcing of lighting and starting equipment from Brolt Ltd. | 1st Jun 1921 | Box 51 \ 5 Scan037 | |
| Letter to Brolt Ltd. discussing revised specifications for starting and lighting equipment, specifically dynamos and starter motors. | 20th Jun 1921 | Box 51 \ 5 Scan038 | |
| Letter from Brolt Limited regarding the review of drawings and curves for machines against a revised specification. | 21th Jun 1921 | Box 51 \ 5 Scan039 | |
| Letter from Brolt Limited discussing specifications for various dynamo models and enclosing blueprints. | 8th Jul 1921 | Box 51 \ 5 Scan040 | |
| Letter from a supplier discussing specifications for L3 and L2 type starters. | 9th Jul 1921 | Box 51 \ 5 Scan041 | |
| Suitability of starter motors from various makes for the Goshawk II engine. | 9th Jul 1921 | Box 51 \ 5 Scan042 | |
| Suitability of dynamos and starter motors from Brolt Limited for large and small cars. | 11th Jul 1921 | Box 51 \ 5 Scan043 | |
| Following up on the consideration of blueprints for a Brolt dynamo and starter motor. | 19th Aug 1921 | Box 51 \ 5 Scan044 | |
| Decision to not proceed with Brolt dynamos and starters, confirming the use of existing suppliers. | 31th Aug 1921 | Box 51 \ 5 Scan045 | |
| Copy of a letter sent to Messrs Joseph Lucas and Rotax Motors regarding a starter motor scheme. | 18th Apr 1921 | Box 51 \ 5 Scan046 | |
| Copy of a letter from The Lucas Electrical Company Ltd. regarding a Starting Motor for a Goshawk II engine. | 20th Apr 1921 | Box 51 \ 5 Scan047 | |
| Extract from a report on a visit to Lucas in Birmingham regarding dynamo and motor suitability for a small car. | 4th May 1921 | Box 51 \ 5 Scan048 | |
| Dynamos and starter motors for the Goshawk II chassis, concerning the involvement of the Lucas company. | 14th Jun 1921 | Box 51 \ 5 Scan049 | |
| Letter to Joseph Lucas Ltd. regarding the specifications for a starter motor for the 'Goshawk II' engine. | 5th Jul 1921 | Box 51 \ 5 Scan050 | |
| Letter to Lucas Electrical Co. regarding a starter motor for 'Goshawk II' and associated drawings. | 6th Jul 1921 | Box 51 \ 5 Scan051 | |
| Continued correspondence detailing specifications for motor components, including bearings and terminals. | 1st Jul 1921 | Box 51 \ 5 Scan052 | |
| Letter from The Lucas Electrical Company Ltd. regarding the starting motor for the 'Goshawk II' engine. | 7th Jul 1921 | Box 51 \ 5 Scan053 | |
| Extract discussing the suitability of starter motors from other makes for the 'GOSHAWK II' engine. | 9th Jul 1921 | Box 51 \ 5 Scan054 | |
| Visit to Messrs Lucas regarding the Goshawk starter motor and switchbox. | 12th Jul 1921 | Box 51 \ 5 Scan055 | |
| Letter from The Lucas Electrical Company Ltd. regarding the design of a starter and dynamo for the Goshawk I engine. | 13th Jul 1921 | Box 51 \ 5 Scan056 | |
| Letter from Lucas Electrical Co. Ltd. detailing design modifications for a dynamo, including bearings, oil grooves, and materials. | 16th Jul 1921 | Box 51 \ 5 Scan057 | |
| Special parts required for the 'Goshawk' II Lucas sample starter motor, referencing blueprints and providing production instructions. | 16th Jul 1921 | Box 51 \ 5 Scan058 | |
| Letter to The Lucas Electrical Co. regarding drawings and modifications for a Goshawk II starter motor. | 15th Jul 1921 | Box 51 \ 5 Scan059 | |
| Communication confirming a decision regarding the Starter Motor. | 15th Jul 1921 | Box 51 \ 5 Scan060 | |
| Order for a dynamo and starter motor for the 'Goshawk II' from Lucas Co., and the decision not to order from Rotax. | 15th Aug 1921 | Box 51 \ 5 Scan061 | |
| Extract regarding electrical equipment for the 40/50 HP chassis and 'Goshawk II'. | 9th Sep 1921 | Box 51 \ 5 Scan062 | |
| Letter to Lucas Electrical Co. Ltd. regarding the modification of a dynamo and motor for the Goshawk project to suit an earthed electrical system. | 8th Sep 1921 | Box 51 \ 5 Scan063 | |
| Letter from The Lucas Electrical Company regarding modifications to a Dynamo and Motor for the Goshawk project. | 9th Sep 1921 | Box 51 \ 5 Scan064 | |
| The supply of electrical equipment for the 'Goshawk II' from Lucas Electrical Co., covering pricing and supply issues. | 17th Nov 1921 | Box 51 \ 5 Scan065 | |
| Confirmation from Lucas Electrical Co. Ltd. that blueprints for the Goshawk 11 starter motor components are in order. | 30th Nov 1921 | Box 51 \ 5 Scan066 | |
| The Lucas Starter Motor Type 4880. | 14th Dec 1921 | Box 51 \ 5 Scan067 | |
| Instruction sheet detailing the construction of an armature and its associated components. | 14th Dec 1921 | Box 51 \ 5 Scan068 | |
| Specifications and details for Lucas Motor A880. | 15th Dec 1921 | Box 51 \ 5 Scan069 | |
| Instruction sheet with calculations for Goshawk engine motor performance and specifications. | 15th Dec 1921 | Box 51 \ 5 Scan070 | |
| Instructions detailing performance metrics at two-thirds of the engine's torque. | 15th Dec 1921 | Box 51 \ 5 Scan071 | |
| Brake test report for a Lucas A880 starter motor. | 9th Dec 1921 | Box 51 \ 5 Scan072 | |
| Brake test results for a Lucas H880 starter motor. | 9th Dec 1921 | Box 51 \ 5 Scan073 | |
| Construction, materials, and dimensions of the Lucas motor for the Goshawk II. | 3rd Jan 1922 | Box 51 \ 5 Scan074 | |
| Test report and analysis of a Lucas motor's performance specifications and brake test results with a Goshawk engine. | 1st Jan 1922 | Box 51 \ 5 Scan075 | |
| Comparison of motor performance characteristics, including torque and efficiency, for the Goshawk engine. | 3rd Jan 1922 | Box 51 \ 5 Scan076 | |
| Comparison of Lucas and C.A.V. motors, discussing engine torque, battery performance, and the need for further testing. | 3rd Jan 1922 | Box 51 \ 5 Scan077 | |
| Performance graph showing the brake efficiency curves for a Lucas starter motor. | 3rd Jan 1922 | Box 51 \ 5 Scan078 | |
| Performance graph showing the brake efficiency, power, speed, voltage, and current curves for a starter motor. | 25th Apr 1922 | Box 51 \ 5 Scan079 | |
| Notice confirming that three A.880 Lucas starters are now located in No. 2 Stores. | 25th Apr 1922 | Box 51 \ 5 Scan080 | |
| Lucas starter motor sent for examination to Mr. Elliott and Sir Henry Royce. | 24th Oct 1931 | Box 51 \ 5 Scan081 | |
| Returning a Lucas starter motor to the makers for credit. | 7th Nov 1931 | Box 51 \ 5 Scan082 | |
| Letter sent to suppliers Joseph Lucas and Rotax Motors regarding a suitable starter motor for 'N' Scheme 839. | 18th Apr 1921 | Box 51 \ 5 Scan083 | |
| Letter from Rotax Motor Accessories Co. Ltd. discussing the suitability of a starter motor for an engine. | 20th Apr 1921 | Box 51 \ 5 Scan084 | |
| Visit to Rotax Company regarding a Goshawk II starter motor and a bulky cutout, with a preference for a Smith component. | 10th Dec 1939 | Box 51 \ 5 Scan085 | |
| Letter to Rotax Motor Accessories Co. regarding the supply of parts for a Goshawk II starter motor. | 10th May 1921 | Box 51 \ 5 Scan086 | |
| Specifications and arrangements for an experimental starter motor and its components. | 10th May 1921 | Box 51 \ 5 Scan087 | |
| Letter to Rotax Motor Accessories Ltd. requesting drawings for a driving end bracket and magnet case. | 10th May 1921 | Box 51 \ 5 Scan088 | |
| Issues fitting a Rotax starter motor to the Goshawk II engine due to a new crankcase breather. | 5th May 1921 | Box 51 \ 5 Scan089 | |
| Letter from Rotax Motor Accessories Co. Ltd. regarding drawings for a Goshawk II starter. | 20th May 1921 | Box 51 \ 5 Scan090 | |
| Letter to Rotax Motor Accessories Co., Ltd. requesting the shortening of the M.T.1.L. starter motor for the Goshawk II engine. | 26th May 1921 | Box 51 \ 5 Scan091 | |
| Letter from Rotax Motor Accessories Ltd. regarding the dimensions of a Starter Motor for Goshawk II. | 31th May 1921 | Box 51 \ 5 Scan092 | |
| Selection of a suitable starter motor for the Goshawk II engine. | 28th Jun 1921 | Box 51 \ 5 Scan093 | |
| Suitability of starter motors from various manufacturers for the 'Goshawk II' engine. | 9th Jul 1921 | Box 51 \ 5 Scan094 | |
| Requesting a copy of a previous memo regarding the Rotax MT1L Starter Motor for 'Goshawk II'. | 14th Jul 1921 | Box 51 \ 5 Scan095 | |
| Forwarding a report on the Rotax MT1L starter motor for the Goshawk II engine. | 15th Jul 1921 | Box 51 \ 5 Scan096 | |
| Ordering a dynamo and starter motor for the 'GOSHAWK II' from the Lucas Co. | 15th Aug 1921 | Box 51 \ 5 Scan097 | |
| The Dynamo & Starter Motor for the 'Goshawk II'. | 24th Aug 1921 | Box 51 \ 5 Scan098 | |
| Letter from Rotax advising on the modifications required for a 'Goshawk' dynamo to make it suitable for an earthed system. | 9th Sep 1921 | Box 51 \ 5 Scan099 | |
| Letter to suppliers S. Smith & Sons and C.A. Vandervell regarding the suitability of their starter motors for 'N' Scheme 838. | 18th Apr 1921 | Box 51 \ 5 Scan100 | |
| Enquiries with Messrs. Smith & Sons for dynamos and starter motors for the Goshawk II and 40/50 chassis. | 5th May 1921 | Box 51 \ 5 Scan101 | |
| Letter to S. Smith & Sons regarding the supply of a starter motor for the Goshawk II engine. | 9th May 1921 | Box 51 \ 5 Scan102 | |
| Letter detailing design requirements, specifications, and assembly instructions for an experimental starter motor. | 1st May 1921 | Box 51 \ 5 Scan103 | |
| Letter to Messrs Smith & Sons (M.A.) Ltd. requesting a drawing of their standard driving end bracket for magnet case dimensions. | 10th May 1921 | Box 51 \ 5 Scan104 | |
| Letter to S. Smith & Sons Ltd concerning the choice of a starter motor for the Goshawk II engine. | 13th May 1921 | Box 51 \ 5 Scan105 | |
| Letter from S. Smith & Sons regarding the Model SS Starter Motor for the Goshawk II engine, enclosing a blueprint and discussing a cable clamp. | 20th May 1921 | Box 51 \ 5 Scan106 | |
| Suitability and potential modification of a Smith Type 5S motor for the Goshawk II. | 2nd Jun 1921 | Box 51 \ 5 Scan107 | |
| Letter to S. Smith & Sons Ltd. requesting drawings and dimensions for the Goshawk II starter motor. | 3rd Jun 1921 | Box 51 \ 5 Scan108 | |
| Acknowledgement letter from S. Smith & Sons regarding a starter motor for the 'Goshawk II'. | 6th Jun 1921 | Box 51 \ 5 Scan109 | |
| Letter from S. Smith & Sons regarding the supply of a dynamo and starter for the Goshawk II Engine. | 7th Jun 1921 | Box 51 \ 5 Scan110 | |
| Letter from S. Smith & Sons concerning blueprints and dimensions for a Model 5S Starter. | 10th Jun 1921 | Box 51 \ 5 Scan111 | |
| Requesting a test of the Smith Type 5S motor for the 'Goshawk II'. | 13th Jun 1921 | Box 51 \ 5 Scan112 | |
| Mr. Royce's reply to an enquiry about the Smith Type 5S motor for the 'Goshawk II'. | 16th Jun 1921 | Box 51 \ 5 Scan113 | |
| Modifications and blueprints for the 'Goshawk' II Starter Motor, Smiths Modified 5.S. Model. | 1st Jul 1921 | Box 51 \ 5 Scan114 | |
| Letter to S. Smith & Sons Ltd. regarding drawings for a 'Goshawk II' Engine starter motor. | 1st Jul 1921 | Box 51 \ 5 Scan115 | |
| Letter from supplier S. Smith & Sons Ltd. regarding blueprints for a Model BS Starter for the 'Goshawk II' Engine. | 8th Jul 1921 | Box 51 \ 5 Scan116 | |
| Alternative C.A.V. and Smith starter motors for the 'Goshawk II' engine. | 9th Jul 1921 | Box 51 \ 5 Scan117 | |
| Letter to S. Smith & Sons concerning the starter motor for the 'Goshawk II' engine. | 11th Jul 1921 | Box 51 \ 5 Scan118 | |
| Copy of a letter from S. Smith & Sons Ltd. regarding the starter motor for the 'Goshawk II' Engine. | 12th Jul 1921 | Box 51 \ 5 Scan119 | |
| Letter from S. Smith & Sons Ltd. concerning delays in the supply of a Model 4D dynamo and a Model 3S starter. | 25th Aug 1921 | Box 51 \ 5 Scan120 | |
| Letter to S. Smith & Sons Ltd. regarding modifications to a Dynamo & Motor for the 'Goshawk' project. | 8th Sep 1921 | Box 51 \ 5 Scan121 | |
| Letter from S. Smith & Sons regarding a dynamo and starter for the Goshawk Engine, discussing modifications for an earthed system and doubts about the starter's power. | 9th Sep 1921 | Box 51 \ 5 Scan122 | |
| Copy of a letter from S. Smith & Sons Ltd. regarding the despatch of a dynamo and starter for a Goshawk engine. | 19th Sep 1921 | Box 51 \ 5 Scan123 | |
| Preliminary report on the Smith S. Motor, Type 5.S. | 14th Oct 1921 | Box 51 \ 5 Scan124 | |
| Instruction sheet with inspection notes for an armature, including details on its brushes, bearings, and overall condition. | | Box 51 \ 5 Scan125 | |
| Analysis of the Smith Motor for the 'Goshawk II' engine, detailing its dimensions, weight, and design flaws. | 17th Oct 1921 | Box 51 \ 5 Scan126 | |
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