| Description | Date | Identifier | |
| Erratum correcting a previous report on Goshawk dynamos regarding the use of an end cover. | 17th Jul 1922 | Box 51 \ 1 Scan083 | |
| Investigation into overheating issues with Lucas-Goshawk and C.A.V-Goshawk dynamos on a chassis. | 18th Jul 1922 | Box 51 \ 1 Scan084 | |
| Continued report on dynamo temperature testing, comparing bench and on-chassis results, and proposing solutions for overheating. | 18th Jul 1922 | Box 51 \ 1 Scan085 | |
| The investigation, faults, and repair of a dynamo sent for a No.4 Goshawk engine. | 19th Jul 1922 | Box 51 \ 1 Scan086 | |
| Note on the process for ensuring commutator plates settle correctly before final finishing. | 19th Jul 1922 | Box 51 \ 1 Scan087 | |
| Internal instruction memo requesting the creation of wooden armatures for wiring installation. | 24th Jul 1922 | Box 51 \ 1 Scan088 | |
| Request for instructions to create a wooden dummy of a Goshawk dynamo armature. | 24th Jul 1922 | Box 51 \ 1 Scan089 | |
| The Goshawk dynamo armature winding, requesting a wooden model be made for Mr. Royce's inspection. | 24th Jul 1922 | Box 51 \ 1 Scan090 | |
| Comments on a modification to the Goshawk generator armature winding. | 19th Jul 1922 | Box 51 \ 1 Scan091 | |
| Post-lockout tests conducted on three different dynamos. | 26th Jul 1922 | Box 51 \ 1 Scan092 | |
| Instructions for producing an experimental dummy armature with winding for a Goshawk II Dynamo. | 28th Jul 1922 | Box 51 \ 1 Scan093 | |
| Repairs and parts requests for the Goshawk vehicle in Paris. | 7th Aug 1922 | Box 51 \ 1 Scan094 | |
| Urgent internal memo regarding the despatch of a Goshawk dynamo to Paris via aeroplane. | 1st Aug 1922 | Box 51 \ 1 Scan095 | |
| Despatch note for a Goshawk Dynamo to be sent to Paris via the Instone Air Line at Croydon. | 8th Aug 1922 | Box 51 \ 1 Scan096 | |
| Inspection and testing procedures for the R.R. Goshawk Dynamo. | 1st Sep 1922 | Box 51 \ 1 Scan097 | |
| Test procedures for a dynamo, detailing voltage, load, and performance checks under various conditions. | 1st Sep 1922 | Box 51 \ 1 Scan098 | |
| Instructions for examining and testing machine insulation and components. | 4th Sep 1922 | Box 51 \ 1 Scan099 | |
| Internal instruction regarding the creation of dummy armatures and a fitting issue with the winding support. | 4th Sep 1922 | Box 51 \ 1 Scan100 | |
| From EFC to Mr. Brock requesting the weights of various components for the Goshawk Dynamo. | 11th Sep 1922 | Box 51 \ 1 Scan101 | |
| Requesting clarification on a report about a Goshawk vehicle regarding a dynamo change and platinum point adjustment. | 19th Sep 1922 | Box 51 \ 1 Scan102 | |
| Despatch of a wooden model Goshawk II dynamo armature to Mr. Royce for his inspection. | 5th Oct 1922 | Box 51 \ 1 Scan103 | |
| Goshawk II dynamo and a model armature winding with reduced end connections. | 15th Oct 1922 | Box 51 \ 1 Scan104 | |
| Experimental procedure for the Goshawk dynamo. | 28th Nov 1922 | Box 51 \ 1 Scan105 | |
| Comparison of dimensions and weights for the U.S.A. Bosch, Rotax AT.4, and R.R. Goshawk dynamos. | 28th Nov 1922 | Box 51 \ 1 Scan106 | |
| Test results and remarks for a R.R. Goshawk Dynamo. | 24th Nov 1922 | Box 51 \ 1 Scan107 | |
| Test log sheet for dynamos, recording voltage and amperage outputs under cold and warm conditions. | 10th Oct 1922 | Box 51 \ 1 Scan108 | |
| Calculations and design suggestions for the Seagull Dynamo, comparing it to the Goshawk machine. | 29th Nov 1922 | Box 51 \ 1 Scan109 | |
| Comparison of dynamo machines, including the Bosch, Seagull, and Goshawk, focusing on air gaps, windings, and performance. | 29th Nov 1922 | Box 51 \ 1 Scan110 | |
| Technical note comparing the Goshawk dynamo with other models and reporting on its performance improvements. | 29th Nov 1922 | Box 51 \ 1 Scan111 | |
| Arrangement for an experimental Goshawk dynamo with increased carcase thickness and reduced air gap. | 1st Dec 1922 | Box 51 \ 1 Scan112 | |
| Confirming an arrangement to make a set of field coils for an experimental Goshawk dynamo with a different gauge wire. | 17th Dec 1922 | Box 51 \ 1 Scan113 | |
| The Goshawk dynamo output performance. | 17th Dec 1922 | Box 51 \ 1 Scan114 | |
| Changes to the dynamo testing rig and its implications on performance curves. | 7th Dec 1922 | Box 51 \ 1 Scan115 | |
| Graph showing the output curves of Goshawk and Lucas E.6/S dynamos. | 24th Feb 1933 | Box 51 \ 1 Scan116 | |
| Confirming the marking of experimental Goshawk dynamos and motors with their respective chassis numbers. | 7th Dec 1922 | Box 51 \ 1 Scan117 | |
| Performance test report for the Goshawk dynamo against General Specification X294. | 4th Jan 1922 | Box 51 \ 1 Scan118 | |
| Test report on an experimental dynamo's performance after a mechanical overhaul. | 6th Nov 1918 | Box 51 \ 1 Scan119 | |
| Instruction sheet noting performance specifications above the minimum requirement. | 6th Nov 1918 | Box 51 \ 1 Scan120 | |
| Performance test results for a Goshawk Dynamo after adjustments for brush sparking. | 13th Dec 1922 | Box 51 \ 1 Scan121 | |
| Performance test report of a machine, detailing output at various RPMs under cold and hot conditions. | 6th Nov 1918 | Box 51 \ 1 Scan122 | |
| Performance test results for a machine with its control brush fully retarded and fully advanced. | 6th Nov 1918 | Box 51 \ 1 Scan123 | |
| Test notes on the output of a dynamo operating as a shunt machine. | 6th Nov 1918 | Box 51 \ 1 Scan124 | |
| Instructions to increase the output of the Goshawk dynamo by altering its specification. | 18th Jan 1923 | Box 51 \ 1 Scan125 | |
| The output and adjustment of the Goshawk Dynamo. | 19th Jan 1923 | Box 51 \ 1 Scan126 | |
| The Goshawk dynamo's output performance, including experimental curves from a new test rig. | 23th Jan 1923 | Box 51 \ 1 Scan127 | |
| Dynamo performance issues, control brush location, and comparisons with a Bosch unit. | 28th Nov 1922 | Box 51 \ 1 Scan128 | |
| Comparison of specifications between a Bosch and an R.R. electrical component, including notes on operating temperatures. | 23th Oct 1935 | Box 51 \ 1 Scan129 | |
| Graph of output curves comparing R.R. Goshawk and U.S.A. Bosch dynamos. | 23th Oct 1935 | Box 51 \ 1 Scan130 | |
| Graph of open-circuit volt-speed curves for the Goshawk Dynamo under cold and hot conditions. | 23th Jan 1923 | Box 51 \ 1 Scan131 | |
| Trial for a finer field winding on the Goshawk Dynamo to improve performance. | 29th Jan 1923 | Box 51 \ 1 Scan132 | |
| Experimental bench trial report for an R.R. Goshawk Dynamo with a finer field winding. | 2nd Mar 1923 | Box 51 \ 1 Scan133 | |
| Continued report on dynamo performance modifications, comparing test results and considering further improvements. | 2nd Mar 1923 | Box 51 \ 1 Scan134 | |
| Graph comparing the output curves of Goshawk and U.S.A. Bosch dynamos at various speeds and temperatures. | 11th Jan 1933 | Box 51 \ 1 Scan135 | |
| Instructions and test results for a modified Goshawk Dynamo with a 20 SWG field. | 28th Feb 1923 | Box 51 \ 1 Scan136 | |
| Temperature and performance tests of a component after a modification. | 6th Nov 1918 | Box 51 \ 1 Scan137 | |
| Revised specification for the electrical operation of a dynamo for the R.R. Goshawk (12 Volt System). | 5th Mar 1923 | Box 51 \ 1 Scan138 | |
| Page 2 of a dynamo specification detailing minimum performance characteristics and physical constraints. | 26th Mar 1923 | Box 51 \ 1 Scan139 | |
| The failure of Dynamo Brushes in 4-GII electrical equipment. | 26th Mar 1923 | Box 51 \ 1 Scan140 | |
| Dynamo testing, detailing experiments on main brush positions and performance under various conditions. | 26th Mar 1923 | Box 51 \ 1 Scan141 | |
| Continuation page discussing experiments with softer brushes and modifications to a commutator. | 7th Mar 1923 | Box 51 \ 1 Scan142 | |
| Ignition and dynamo issues on a 4-Goshawk II, with proposed solutions and tests. | 7th Mar 1923 | Box 51 \ 1 Scan143 | |
| To Mr. Clark regarding the receipt of a production dynamo. | 27th Mar 1923 | Box 51 \ 1 Scan144 | |
| Investigations into the Goshawk Dynamo, focusing on brush sparking and vibrator regulators. | 1st Apr 1923 | Box 51 \ 1 Scan145 | |
| Fitting of new field windings to an experimental Goshawk dynamo. | 17th Apr 1923 | Box 51 \ 1 Scan146 | |
| Fitting of an experimental dynamo with new field coils. | 18th Apr 1923 | Box 51 \ 1 Scan147 | |
| Performance graph showing ampere output versus RPM for a Goshawk Dynamo E at various main-brush positions. | 26th Oct 1933 | Box 51 \ 1 Scan148 | |
| Graph of Ampere Output vs Dynamo R.P.M. from main-brush position tests on a Cushman Dynamo No. 888. | 2nd Sep 1927 | Box 51 \ 1 Scan149 | |
| Graph of Main-Brush Position Tests for a Goshawk Dynamo, plotting Ampere Output vs Dynamo RPM. | 20th Feb 1934 | Box 51 \ 1 Scan150 | |
| Graph of ampere output versus dynamo RPM from main-brush position tests on a Goshawk dynamo. | 29th Mar 1923 | Box 51 \ 1 Scan151 | |
| Comparative performance curves for the Goshawk dynamo based on experimental machines. | 28th May 1923 | Box 51 \ 1 Scan152 | |
| The performance curves and continuous running tests for standard and Goshawk dynamos. | 28th May 1923 | Box 51 \ 1 Scan153 | |
| Programme of investigations into externally controlled chassis generators, including Scintilla, Westinghouse and Goshawk components. | 28th May 1923 | Box 51 \ 1 Scan154 | |
| Comparative performance graph of various Goshawk dynamos, plotting ampere output against dynamo RPM. | 29th Aug 1934 | Box 51 \ 1 Scan155 | |
| Points for consideration and experimentation regarding dynamo and other electrical equipment, including brush holders and switchbox connectors. | 30th May 1923 | Box 51 \ 1 Scan156 | |
| Recent and alarming failures of dynamos on 20-HP cars. | 7th Jun 1923 | Box 51 \ 1 Scan157 | |
| The failure of a dynamo from a 20-HP Chassis 51-S-4, which was returned for inspection. | 14th Jun 1923 | Box 51 \ 1 Scan158 | |
| Request to build a dynamo with straight milled armature slots, instead of standard skewed ones, to test for commutation improvements. | 26th Jun 1923 | Box 51 \ 1 Scan159 | |
| Test report on the continuous running of a 20 HP dynamo, focusing on brush and commutator wear. | 27th Jun 1923 | Box 51 \ 1 Scan160 | |
| Commutator brush wear and condition following a 2500-mile test. | 27th Jun 1923 | Box 51 \ 1 Scan161 | |
| Test report detailing commutator and brush wear results from 2500 and 5000 mile simulation tests. | 27th Jun 1923 | Box 51 \ 1 Scan162 | |
| Test report detailing the results of dynamo brush wear after a simulated 5000-mile run. | 27th Jun 1923 | Box 51 \ 1 Scan163 | |
| Comparison table of specifications for various shunt dynamos. | 4th Jul 1923 | Box 51 \ 1 Scan164 | |
| Diagrammatic views of Goshawk and E.A.C. dynamos showing wiring and rotation. | 30th Jun 1923 | Box 51 \ 1 Scan165 | |
| Fitting temperature indicating fuses to 20 HP dynamos on specific chassis. | 30th Jun 1923 | Box 51 \ 1 Scan166 | |
| Instructions for electrical experiments on Goshawk cars, focusing on dynamo temperature testing. | 2nd Jul 1923 | Box 51 \ 1 Scan167 | |
| Instructions for trials on electrical components, including dynamos, cut-outs, and fuses. | 6th Nov 1918 | Box 51 \ 1 Scan168 | |
| Melted 68° sentinels on Goshawk Dynamo chassis being replaced with 73° sentinels. | 2nd Jul 1923 | Box 51 \ 1 Scan169 | |
| Recommending alterations to the wiring for the 20 HP dynamo and distribution box. | 6th Jul 1923 | Box 51 \ 1 Scan170 | |
| Requesting a specific test procedure for a 20 HP Dynamo to generate a representative output curve. | 10th Jul 1923 | Box 51 \ 1 Scan171 | |
| Letter providing the typical output characteristic curve for a 20 HP generator. | 13th Jul 1923 | Box 51 \ 1 Scan172 | |
| Graph of the average output curve for a 20HP chassis dynamo at 85°C. | 13th Jul 1922 | Box 51 \ 1 Scan173 | |
| Modifications to an experimental 20 HP Goshawk Dynamo, requesting restoration to standard. | 16th Jul 1923 | Box 51 \ 1 Scan174 | |
| Letter from accumulator manufacturer Peto & Radford concerning a battery charging issue on a 20 HP car. | 16th Jul 1923 | Box 51 \ 1 Scan175 | |
| Faulty 20-HP dynamo detailing examination findings and requesting further analysis. | 18th Jul 1923 | Box 51 \ 1 Scan176 | |
| Results of re-testing the melting temperatures for new Dynamo Sentinels. | 17th Jul 1923 | Box 51 \ 1 Scan177 | |
| Letter from accumulator manufacturer Peto & Radford discussing battery charging currents and potential overcharging issues. | 18th Jul 1923 | Box 51 \ 1 Scan178 | |
| Letter from Peto & Radford discussing car battery specifications, potential overcharging, and modifications to increase capacity. | 19th Jul 1923 | Box 51 \ 1 Scan179 | |
| Reducing the allowable output for the Goshawk Dynamo based on production feedback and battery specifications. | 19th Jul 1923 | Box 51 \ 1 Scan180 | |
| Technical note discussing the limited effect of peak battery charging on thick plates. | 19th Jul 1923 | Box 51 \ 1 Scan181 | |
| Specification of inspection and test for the R.R. Goshawk Dynamo. | 20th Jul 1923 | Box 51 \ 1 Scan182 | |
| | | | |
