| Description | Date | Identifier | |
| Blank table for comparing weights and weights per horsepower of various series of 'Falcon' engines. | 11th Nov 1917 | Box 36 \ 2 scan 043 | |
| Requesting updated power and consumption figures for Eagle and Falcon engines for an Instruction Book. | 11th Nov 1917 | Box 36 \ 2 scan 044 | |
| Chasing for data to produce power and consumption curves for Eagle 8 and Falcon 3 series engines. | 19th Nov 1917 | Box 36 \ 2 scan 045 | |
| Power and consumption curve data for the Falcon & Beagle engines. | 28th Nov 1917 | Box 36 \ 2 scan 046 | |
| Data table of powers, consumptions, and efficiencies for the Falcon Engines Series 3. | 30th Nov 1917 | Box 36 \ 2 scan 047 | |
| Data table of power, consumptions, and efficiencies for the Eagle Engine Series 8. | 30th Nov 1917 | Box 36 \ 2 scan 048 | |
| Performance curves for the Falcon Engine showing power, consumption, torque, B.M.P., and B.T.E. | 21th Dec 1917 | Box 36 \ 2 scan 049 | |
| Performance comparison of a Martinsyde Scout aircraft fitted with 'Falcon' 111 and 300 HP Hispano engines. | 26th Apr 1917 | Box 36 \ 2 scan 050 | |
| Specification sheet for the 'Falcon' aero engine detailing performance and physical characteristics. | 26th Apr 1917 | Box 36 \ 2 scan 051 | |
| Specifications for engine components including carburation, pipe connections, and starter. | 22th Aug 1917 | Box 36 \ 2 scan 052 | |
| Instruction sheet for Falcon engine tests, detailing valve timing for best power. | 22th Aug 1917 | Box 36 \ 2 scan 053 | |
| Instructions and results for Falcon engine performance tests, before and after modifications. | 22th Aug 1917 | Box 36 \ 2 scan 054 | |
| Test results comparing power and compression on a Falcon engine with different pipe configurations. | 22th Aug 1917 | Box 36 \ 2 scan 055 | |
| Performance data and discussion for the 'Falcon' engine with various fuel types and throttle settings. | 10th Feb 1919 | Box 36 \ 2 scan 056 | |
| The performance and petrol consumption of the 'Falcon' engine at different RPMs. | 6th May 1919 | Box 36 \ 2 scan 057 | |
| Table comparing the Brake Horsepower of 'Falcon' engines for Series 1, 2, and 3 at various speeds. | 6th May 1919 | Box 36 \ 2 scan 058 | |
| Comparative table of fuel consumption for various series of Falcon engines at different speeds. | 28th Apr 1917 | Box 36 \ 2 scan 059 | |
| Table of comparative fuel consumptions for various series of 'Falcon' engines. | 28th Apr 1917 | Box 36 \ 2 scan 060 | |
| Obtaining consumption figures for 'Eagle' and 'Falcon' engines. | 1st Dec 1920 | Box 36 \ 2 scan 061 | |
| The 10-hour endurance test of the first 'Hawk' engine. | 21th Jan 1916 | Box 36 \ 2 scan 062 | |
| Page 2 of an engine test report detailing performance data, component observations, and inspection results. | 21th Jan 1916 | Box 36 \ 2 scan 063 | |
| Engine test, detailing observations on components, lubrication, faults, and preparations for delivery. | 21th Jan 1916 | Box 36 \ 2 scan 064 | |
| Recurring failure of a Dixie magneto during a 75 HP engine endurance test. | 21th Jan 1916 | Box 36 \ 2 scan 065 | |
| Power curve table from Brazil Straker Ltd. showing the average performance of ten recently tested 75 HP engines. | 16th Nov 1916 | Box 36 \ 2 scan 066 | |
| Performance comparison table for the Eagle, Falcon, and Hawk aero engines. | 24th Nov 1916 | Box 36 \ 2 scan 067 | |
| Request for the power curve of Brazil Straker built Hawk engines. | 9th Feb 1917 | Box 36 \ 2 scan 068 | |
| The power curve figures for the 'Hawk' Engine. | 13th Feb 1917 | Box 36 \ 2 scan 069 | |
| Letter detailing the average power curve data for ten 75 HP engines. | 15th Feb 1917 | Box 36 \ 2 scan 070 | |
| Test results for a Hawk engine using a standard R.R.C.H. Falcon carburetter, detailing fuel consumption against RPM and horsepower. | 22th Aug 1917 | Box 36 \ 2 scan 071 | |
| Test results for a Hawk engine using a car carburetter, measuring fuel consumption and horsepower at various RPMs. | 22th Aug 1917 | Box 36 \ 2 scan 072 | |
| Hawk engine tests comparing power output from R.R.CH. and car carburetors. | 22th Aug 1917 | Box 36 \ 2 scan 073 | |
| Hawk engine test results comparing the efficiency of the R.R.C.H. (Falcon) carburettor and a car carburettor. | 22th Aug 1917 | Box 36 \ 2 scan 074 | |
| Recommended improvements to the 'Hawk' engine for airships. | 26th Jun 1918 | Box 36 \ 2 scan 075 | |
| List of proposed modifications for the 'Hawk' engine, including parts from the 'Falcon' engine. | 26th Jun 1918 | Box 36 \ 2 scan 076 | |
| Performance of 'Hawk' engines and a proposed modification for airship use. | 28th Jun 1918 | Box 36 \ 2 scan 077 | |
| Modifications and performance test results for the 'Hawk' engine X.3320 and X.2935. | 18th Oct 1918 | Box 36 \ 2 scan 078 | |
| Test report on the 'Hawk' engine, detailing power, consumption figures, and modifications for airship use. | 1st Oct 1919 | Box 36 \ 2 scan 079 | |
| Page of engine performance data and a note about sending modified parts. | 8th Oct 1918 | Box 36 \ 2 scan 080 | |
| Summary of power increases and specifications for the Hawk engine from 1915 to 1918. | 1st Dec 1918 | Box 36 \ 2 scan 081 | |
| Summary of power increases and specifications for the Hawk, Eagle, Falcon, and Condor aero engines. | 3rd Dec 1918 | Box 36 \ 2 scan 082 | |
| High fuel consumption during carburetter tests on the 'Hawk' engine. | 1st Dec 1918 | Box 36 \ 2 scan 083 | |
| Attaching the Horse Power Curve for the Hawk Aero engine to the Test Department. | 2nd Feb 1921 | Box 36 \ 2 scan 084 | |
| Power curve data table for a 75 HP engine, averaged from ten recent tests by Brazil Straker Ltd. | 16th Nov 1916 | Box 36 \ 2 scan 085 | |
| Graph of maximum power and consumption curves for the Falcon X engine. | 15th Apr 1924 | Box 36 \ 2 scan 086 | |
| Falcon X engine test detailing issues with pre-ignition, valve wear, and water leakage after 14 hours of running. | 30th Jul 1926 | Box 36 \ 2 scan 087 | |
| Engine testing, fault investigation, and modifications for the FX.2 engine. | 30th Jul 1926 | Box 36 \ 2 scan 088 | |
| Report page discussing engine performance data, propeller limitations, and design schemes for the F.X. engine. | 12th Nov 1926 | Box 36 \ 2 scan 089 | |
| Performance data and proposal for fitting Claudel carburettors on a 'V' type engine. | 12th Nov 1926 | Box 36 \ 2 scan 090 | |
| Power curve test for a Falcon X wet liner engine fitted with new horizontal carburetters. | 13th Nov 1926 | Box 36 \ 2 scan 091 | |
| The 1-hour final test of the F.X. No.10 engine, detailing performance and oil consumption improvements. | 24th Nov 1926 | Box 36 \ 2 scan 092 | |
| Engine test results and observations report, including a magneto failure and oil leaks. | 24th Nov 1926 | Box 36 \ 2 scan 093 | |
| Graph showing throttle and consumption curves for the FX No 10 engine after its final official test. | 24th Nov 1926 | Box 36 \ 2 scan 094 | |
| The reverse of an archival document with a handwritten reference number and date, and an ink stamp. | 25th Nov 1926 | Box 36 \ 2 scan 095 | |
| Blueprint graph showing power, BMEP, and consumption curves plotted against RPM for engine test F.X. No 10. | 24th Nov 1926 | Box 36 \ 2 scan 096 | |
| Heavily faded typed document with a handwritten reference and a stamped date. | 25th Nov 1926 | Box 36 \ 2 scan 097 | |
| 2-hour Acceptance Test for the Aeronautical Inspection Directorate (A.I.D.). | 1st Dec 1926 | Box 36 \ 2 scan 098 | |
| Power curve test report for an F.10 engine, showing results with and without silencers. | 13th Dec 1926 | Box 36 \ 2 scan 099 | |
| Investigation report on water leaks found in engine cylinders due to a porous casting. | 12th Dec 1926 | Box 36 \ 2 scan 100 | |
| Horsepower rating for the F.10 engine. | 12th Dec 1926 | Box 36 \ 2 scan 101 | |
| Final acceptance test report for H.I.D. power and throttle curves. | 22th Feb 1927 | Box 36 \ 2 scan 102 | |
| Test report notes on water leaks and petrol pump performance including suction and pressure measurements. | 15th Mar 1927 | Box 36 \ 2 scan 103 | |
| Regained horsepower on an engine and the effect of air intakes. | 15th Mar 1927 | Box 36 \ 2 scan 104 | |
| Comparing the performance of engine models X-F-12, X-F-14, and X-F-18. | 14th Mar 1927 | Box 36 \ 2 scan 105 | |
| Comparison of running conditions for engines X-F-12 and X-F-14, detailing differences in pistons, rings, and tappet clearances. | 14th Mar 1927 | Box 36 \ 2 scan 106 | |
| Graph showing comparative horsepower curves for XF14 and XF12 engines, detailing the effect of intake system removal. | 14th Mar 1927 | Box 36 \ 2 scan 107 | |
| 2-hour acceptance test for the A.I.D. | 31th Mar 1927 | Box 36 \ 2 scan 108 | |
| Analysis of a camshaft bearing flange failure and its potential causes, including thermal expansion. | 20th Apr 1927 | Box 36 \ 2 scan 109 | |
| Progress report on an F.10 type test, detailing non-stop engine runs and reliability. | 20th Apr 1927 | Box 36 \ 2 scan 110 | |
| Interim report on the X-F-18 100 hours type test, detailing power curve and initial endurance runs. | 20th Apr 1927 | Box 36 \ 2 scan 111 | |
| Comparative power curves between old and new carburettors. | 27th Apr 1927 | Box 36 \ 2 scan 112 | |
| Continuation page of a report discussing performance curves from an engine arrangement and planned modifications. | 27th Apr 1927 | Box 36 \ 2 scan 113 | |
| Comparative power curves for the XF.12 engine with old, new, and small diffuser carburettors. | 27th Apr 1927 | Box 36 \ 2 scan 114 | |
| Archival cover sheet with a reference number and date. | 29th Apr 1927 | Box 36 \ 2 scan 115 | |
| Blueprint diagram of a jet nozzle tried with new carburettors, showing modifications. | 28th Apr 1927 | Box 36 \ 2 scan 116 | |
| Cover page with a handwritten reference number and a date stamp. | 29th Apr 1927 | Box 36 \ 2 scan 117 | |
| Progress report on an F.10 type engine test, detailing a 90-hour non-stop run. | 28th Apr 1927 | Box 36 \ 2 scan 118 | |
| Test report detailing the 100-hour endurance run and power curve results for a Falcon X engine. | 3rd May 1927 | Box 36 \ 2 scan 119 | |
| Test report page detailing carburetter freezing issues, oil leaks, and engine performance data from various test phases. | 3rd May 1927 | Box 36 \ 2 scan 120 | |
| Engine testing, detailing oil and water leaks and performance metrics over multiple 10-hour hangar tests. | 3rd May 1927 | Box 36 \ 2 scan 121 | |
| Engine endurance test log detailing performance, water leaks, a back-fire incident, and a valve spring failure. | 3rd May 1927 | Box 36 \ 2 scan 122 | |
| Engine test bed report detailing results from endurance, speed, power, consumption, and leak tests. | 3rd May 1927 | Box 36 \ 2 scan 123 | |
| Engine test report detailing boiling, water pump, circulation tests, and issues with spark plugs and valve tappet clearance. | 3rd May 1927 | Box 36 \ 2 scan 124 | |
| Graph of power and consumption curves for the Falcon 10 engine Nแต 18, before and after a 100-hour type test at full throttle. | 3rd May 1927 | Box 36 \ 2 scan 125 | |
| The reverse of an archival document with handwritten references and a date stamp. | 3rd May 1927 | Box 36 \ 2 scan 126 | |
| Chart showing performance figures obtained during a 100-hour type test of a Falcon 10 engine. | 30th Apr 1927 | Box 36 \ 2 scan 127 | |
| Cover sheet with a handwritten reference and a date stamp. | 3rd May 1927 | Box 36 \ 2 scan 128 | |
| Request for the horsepower curve and take-off horsepower for the high compression F.11 engine. | 1st Jul 1927 | Box 36 \ 2 scan 129 | |
| The effect of using longer duration inlet camshafts. | 8th Aug 1927 | Box 36 \ 2 scan 130 | |
| Comparative power curve graph showing the effect of a later inlet closing on F.10 engines with rollerless rockers. | 8th Aug 1927 | Box 36 \ 2 scan 131 | |
| Cover sheet with a handwritten reference number and a date stamp. | 10th Aug 1927 | Box 36 \ 2 scan 132 | |
| Urgent request for power curves for the standard F.11 engine with 6 to 1 and 8 to 1 compression ratios. | 11th Aug 1927 | Box 36 \ 2 scan 133 | |
| Comparative compression curves for the Falcon engine. | 17th Aug 1927 | Box 36 \ 2 scan 134 | |
| Graph comparing power curves for the R-R F.10 and F.11 engines with different compression ratios and fuels. | 13th Aug 1927 | Box 36 \ 2 scan 135 | |
| Stamped and referenced document, likely a cover sheet or blank page. | 17th Aug 1927 | Box 36 \ 2 scan 136 | |
| The average power and consumption curves for F.11 & 12 production engines from August-October 1927. | 11th Nov 1927 | Box 36 \ 2 scan 137 | |
| Graph of average power and fuel consumption curves for F.XI & F.XII production engines. | 10th Nov 1927 | Box 36 \ 2 scan 138 | |
| Performance chart comparing various metrics for F.11 and F.12 production engines from August to October 1927. | 21th Nov 1927 | Box 36 \ 2 scan 139 | |
| The reverse side of a document with handwritten annotations and a date stamp. | 9th Nov 1927 | Box 36 \ 2 scan 140 | |
| Performance chart for F.11 & F.12 production engines from August to October 1927, showing various metrics at different RPMs. | 2nd Nov 1927 | Box 36 \ 2 scan 141 | |
| Cover page with handwritten reference numbers and a stamped date. | 9th Nov 1927 | Box 36 \ 2 scan 142 | |
| | | | |