| Description | Date | Identifier | |
| Letter to Boulton & Paul Ltd. declining their offer of models for aerodynamic wind tests. | 27th Feb 1924 | Box 160 \ 2 scan0041 | |
| The conditions for tests on a Barker Open Touring 'V' Series car at Brooklands. | 8th Jul 1925 | Box 160 \ 2 scan0042 | |
| Performance test report detailing car speed and lap times under various configurations. | 8th Jul 1925 | Box 160 \ 2 scan0043 | |
| Table of dynamometer test results for engine 98-NK, showing horsepower readings before the Brooklands test. | 25th Sep 1924 | Box 160 \ 2 scan0044 | |
| Car cooling and fan efficiency tests conducted at Brooklands. | 25th Sep 1924 | Box 160 \ 2 scan0045 | |
| Fan drive and radiator shutter performance at high speeds. | 1st Jul 1925 | Box 160 \ 2 scan0046 | |
| Tests on radiator temperature, oil temperature, hill starts, braking, and steering at Brooklands. | 8th Jul 1925 | Box 160 \ 2 scan0047 | |
| Clutch spinning and vehicle acceleration performance. | 13th Sep 1925 | Box 160 \ 2 scan0048 | |
| Accelerometer record detailing vehicle performance tests for an Open Touring car. | 13th Sep 1925 | Box 160 \ 2 scan0049 | |
| Explaining the basis for comparing cars, detailing key performance metrics like engine volume, compression ratio, and axle ratio. | 18th Jul 1925 | Box 160 \ 2 scan0050 | |
| Outlining the fundamentals of car performance. | 12th Oct 1925 | Box 160 \ 2 scan0051 | |
| Vehicle acceleration concerning car weight and engine power. | 12th Jun 1925 | Box 160 \ 2 scan0052 | |
| Factors affecting car performance such as axle ratios, tractive resistance, carburation, and flywheel inertia. | 12th Jun 1925 | Box 160 \ 2 scan0053 | |
| Comparing engine torque curves and performance characteristics between different engine types. | 12th Jun 1925 | Box 160 \ 2 scan0054 | |
| The factors to consider when comparing car efficiency, focusing on engine displacement and tractive resistance. | 12th Jun 1925 | Box 160 \ 2 scan0055 | |
| Vehicle performance concerning wind resistance and hill climbing capabilities. | 12th Jun 1925 | Box 160 \ 2 scan0056 | |
| Car performance on gradients, acceleration, and the effects of kinetic energy. | 18th Oct 1925 | Box 160 \ 2 scan0057 | |
| Showing a graph of acceleration equivalent to hill climbing against surmountable gradients. | 12th Jun 1925 | Box 160 \ 2 scan0058 | |
| High-speed performance, including a graph of road wheel horsepower versus speed. | 12th Jun 1925 | Box 160 \ 2 scan0059 | |
| The impact of streamlining, gear ratios, and braking systems on vehicle performance. | 12th Oct 1925 | Box 160 \ 2 scan0060 | |
| The factors affecting a car's braking performance and retardation. | 12th Oct 1925 | Box 160 \ 2 scan0061 | |
| Vehicle stopping distances and times on various gradients. | 12th Oct 1925 | Box 160 \ 2 scan0062 | |
| Vehicle braking performance, analysing stopping times and retardation. | 12th Oct 1925 | Box 160 \ 2 scan0063 | |
| Two graphs illustrating high-speed braking problems, specifically relating to windage and rotational mass. | 12th Oct 1925 | Box 160 \ 2 scan0064 | |
| Two graphs illustrating theoretical braking curves, showing the effects of brake distribution and road surface friction. | 17th Oct 1925 | Box 160 \ 2 scan0065 | |
| The fundamentals of car performance to help staff counter exaggerated claims from other manufacturers. | 17th Oct 1925 | Box 160 \ 2 scan0066 | |
| Consumption tests for the Phantom model. | 23th Nov 1925 | Box 160 \ 2 scan0067 | |
| Study of theoretical and actual fuel economy improvements for the Phantom model. | 24th Nov 1925 | Box 160 \ 2 scan0068 | |
| Blueprint diagram of a flow meter for measuring petrol consumption. | 24th Nov 1925 | Box 160 \ 2 scan0069 | |
| Graphs showing the effects of speed, tyre pressure, and mixture control on petrol consumption. | 24th Nov 1925 | Box 160 \ 2 scan0070 | |
| Series of graphs illustrating the effects of ignition advance, axle ratio, and engine temperature on petrol consumption. | 14th Dec 1925 | Box 160 \ 2 scan0071 | |
| Comparing the acceleration and retardation performance of Mr. Geoffrey Summers' car (117-MC) against a standard Phantom. | 14th Dec 1925 | Box 160 \ 2 scan0072 | |
| Braking and acceleration figures for the Phantom, comparing it to other vehicles. | 12th Jun 1925 | Box 160 \ 2 scan0073 | |
| Comparing the acceleration and maximum speed of Sunbeam and Vauxhall cars. | 14th Dec 1925 | Box 160 \ 2 scan0074 | |
| With graphs comparing the acceleration curves for Phantom and Vauxhall vehicles. | 14th Dec 1925 | Box 160 \ 2 scan0075 | |
| Comparing the acceleration and braking performance of the 117-MC and Standard models. | 14th Dec 1925 | Box 160 \ 2 scan0076 | |
| The performance of the 10-EX car with high compression pistons on the Brooklands track. | 30th Nov 1925 | Box 160 \ 2 scan0077 | |
| Windage and acceleration tests conducted at Brooklands for the New Phantom (10-EX car). | 30th Nov 1925 | Box 160 \ 2 scan0078 | |
| Analyzing vehicle performance through dynamometer and road tests. | 30th Nov 1925 | Box 160 \ 2 scan0079 | |
| Analyzing vehicle performance with different axle ratios and engine configurations. | 30th Nov 1925 | Box 160 \ 2 scan0080 | |
| Comparing the performance and braking systems of Phantom models. | 30th Nov 1925 | Box 160 \ 2 scan0081 | |
| Average speeds and times of a 20 HP chassis on various hill climbs. | 7th Jan 1926 | Box 160 \ 2 scan0082 | |
| Road performance test procedures for the New Phantom model, detailing five specific hill climbs. | 8th Jan 1926 | Box 160 \ 2 scan0083 | |
| Letter discussing a comparison of car performance metrics for 1925 models, introducing a 'corrected displacement per ton foot' figure. | 8th Jan 1926 | Box 160 \ 2 scan0084 | |
| Phantom's performance disadvantages and proposing an increased compression ratio. | 8th Jan 1926 | Box 160 \ 2 scan0085 | |
| Comparison table of specifications for various 1925 car models. | 8th Jan 1926 | Box 160 \ 2 scan0086 | |
| Comparison table of technical specifications for various 1925 model cars. | 8th Jan 1926 | Box 160 \ 2 scan0087 | |
| Comparative analysis of car performance metrics including wheel size, weight, and engine displacement. | 18th Jul 1925 | Box 160 \ 2 scan0088 | |
| Performance comparison of compression ratios between Ford, Cadillac, and a discussion on potential performance increases. | 18th Jul 1925 | Box 160 \ 2 scan0089 | |
| Comparison of potential 40/50 model configurations, including the New Phantom, with a handwritten note on engine boring. | 19th Jul 1925 | Box 160 \ 2 scan0090 | |
| The fundamentals of car performance, specifically the effect of wind on the maximum speeds of touring cars. | 2nd Feb 1926 | Box 160 \ 2 scan0091 | |
| Page describing the effect of wind on a car's maximum speed, illustrated with a graph. | 2nd Feb 1926 | Box 160 \ 2 scan0092 | |
| Page discussing the effect of headwinds on required horsepower, with a graph showing HP to overcome wind resistance vs. road speed. | 14th Jun 1926 | Box 160 \ 2 scan0093 | |
| Design and streamlining of a sports body for car 16-EX. | 14th Jun 1926 | Box 160 \ 2 scan0094 | |
| Removal of a non-standard spare wheel carrier and seeking information on fitting headlamps. | 16th Jun 1926 | Box 160 \ 2 scan0095 | |
| Wind resistance for the Continental Phantom, advising coachbuilders against altering the experimental sports body shape. | 9th Feb 1928 | Box 160 \ 2 scan0096 | |
| Arguing against pursuing higher maximum speed through body shape experiments, instead prioritizing acceleration and weight reduction. | 30th Aug 1931 | Box 160 \ 2 scan0097 | |
| Confirming a meeting at Brooklands regarding wind tunnel work. | 17th Mar 1933 | Box 160 \ 2 scan0098 | |
| Proposal for experimental work on streamlined car bodies, including wind tunnel testing. | 14th Aug 1931 | Box 160 \ 2 scan0099 | |
| Sketching and testing alternative car body shapes for improved aerodynamics and performance. | 14th Aug 1931 | Box 160 \ 2 scan0100 | |
| Letter to Vickers Aviation Ltd. regarding wind tunnel tests for streamlining car bodies. | 17th Mar 1933 | Box 160 \ 2 scan0101 | |
| Letter from Vickers (Aviation) arranging a meeting to discuss wind tunnel testing of car body models. | 20th Mar 1933 | Box 160 \ 2 scan0102 | |
| Letter to Commander Burney regarding an S.A.E. application, a potential meeting, and a discussion on motor car streamlining and windscreen design. | 20th Apr 1933 | Box 160 \ 2 scan0103 | |
| Arrangements for wind tunnel tests on Bentley models. | 8th May 1933 | Box 160 \ 2 scan0104 | |
| Letter sent to Vickers Aviation Co. regarding a proposed meeting and test schedule. | 2nd Jun 1933 | Box 160 \ 2 scan0105 | |
| Letter to Vickers Aviation Ltd. arranging a visit to conduct wind tunnel tests on two prepared models. | 2nd Jun 1933 | Box 160 \ 2 scan0106 | |
| Letter to Park Ward & Co. Ltd. discussing front wing designs for Bentley 'B' wind tunnel models. | 3rd Jun 1938 | Box 160 \ 2 scan0107 | |
| Postponement of a visit to Brooklands to see Vickers Aviation about windtunnel tests. | 7th Jun 1933 | Box 160 \ 2 scan0108 | |
| Letter to Vickers Aviation Ltd. rescheduling a visit to Brooklands for wind tunnel tests on model cars. | 7th Jun 1933 | Box 160 \ 2 scan0109 | |
| Letter from Vickers (Aviation) arranging a meeting regarding wind tunnel tests on car models. | 7th Jun 1933 | Box 160 \ 2 scan0110 | |
| Wind tunnel tests on a streamlined Bentley bonnet design to reduce turbulence. | 9th Jan 1938 | Box 160 \ 2 scan0111 | |
| Draft proposal for wind tunnel tests on Bentley car models. | 8th Jun 1933 | Box 160 \ 2 scan0112 | |
| Plan for a series of wind tunnel experiments on a Bentley Saloon model. | 8th Jun 1933 | Box 160 \ 2 scan0113 | |
| Different test configurations and modifications for various car models. | 8th Jun 1933 | Box 160 \ 2 scan0114 | |
| Hand-drawn sketch and notes for 'Model 3', based on S.A.E. Journal Reports. | 8th Jun 1933 | Box 160 \ 2 scan0115 | |
| Letter to Messrs Vickers Aviation Ltd confirming a meeting with Mr. Pierson. | 10th Jun 1933 | Box 160 \ 2 scan0116 | |
| Outlining the programme for a series of wind tunnel tests on a car model. | 14th Jun 1933 | Box 160 \ 2 scan0117 | |
| Planning of wind tunnel tests for various car components, including windscreens, wings, and tails for a Bentley. | 14th Jun 1933 | Box 160 \ 2 scan0118 | |
| Streamlining a Bentley body, detailing the impracticality of a complete undersheet and proposing further wind tunnel tests. | 14th Jun 1933 | Box 160 \ 2 scan0119 | |
| Schedule and plan for wind tunnel tests on Bentley models at Vickers. | 17th Jun 1933 | Box 160 \ 2 scan0120 | |
| Letter to Vickers (Aviation) Ltd. confirming arrangements for wind tunnel tests on model cars. | 17th Jun 1933 | Box 160 \ 2 scan0121 | |
| Test log sheet recording various configurations of car body parts like wings, screen, and tail. | 18th Jun 1928 | Box 160 \ 2 scan0122 | |
| Letter from Birmingham Central Technical College requesting data on automobile rolling and air resistance. | 21th Jun 1933 | Box 160 \ 2 scan0123 | |
| Letter to a Wing Commander requesting wind tunnel research on models of a new Bentley car. | 22th Jun 1933 | Box 160 \ 2 scan0124 | |
| Wind tunnel testing of new Panhard wings and development of an all-aluminium running board. | 23th Jun 1933 | Box 160 \ 2 scan0125 | |
| Summarizing the results of wind tunnel tests conducted at Brooklands on a car model. | 23th Jun 1933 | Box 160 \ 2 scan0126 | |
| Wind tunnel tests performed on a 1/8th scale model of a 3 1/4 litre Bentley saloon. | 27th Jun 1933 | Box 160 \ 2 scan0127 | |
| Letter from Cambridge University Air Squadron regarding wind tunnel testing for a new Bentley car model. | 26th Jun 1933 | Box 160 \ 2 scan0128 | |
| Results and conclusions of aerodynamic smoke tests on a car model, focusing on screens and tails. | 27th Jun 1933 | Box 160 \ 2 scan0129 | |
| Wind tunnel testing of a car model to analyze aerodynamic drag and performance. | 27th Jun 1933 | Box 160 \ 2 scan0130 | |
| Aerodynamic testing and future design directions for a Bentley car, including the concept of a rear-engined model. | 27th Jun 1933 | Box 160 \ 2 scan0131 | |
| Wind tunnel test results for a scale model Bentley Saloon, comparing various front wing designs and other configurations. | 27th Jun 1933 | Box 160 \ 2 scan0132 | |
| Blueprint showing side, front, and top views of a Streamlined 3½ Litre Bentley. | 7th Jun 1933 | Box 160 \ 2 scan0133 | |
| Letter to a Wing Commander regarding streamlining experiments and investigations in the Vickers' tunnel. | 28th Jun 1933 | Box 160 \ 2 scan0134 | |
| Letter from the Experimental Dept. responding to queries on tractive and wind resistance. | 7th Jul 1933 | Box 160 \ 2 scan0135 | |
| Comparing wind tunnel and full-scale test results for a Bentley. | 6th Jul 1933 | Box 160 \ 2 scan0136 | |
| Calculation of the air resistance coefficient 'K' for a standard 4-door Bentley saloon. | 6th Jul 1933 | Box 160 \ 2 scan0137 | |
| Frontal area calculation diagram for the Bentley I. | 5th Jul 1933 | Box 160 \ 2 scan0138 | |
| Vickers report on wind tunnel tests for a Bentley. | 5th Jul 1933 | Box 160 \ 2 scan0139 | |
| Wind tunnel tests conducted on a 1/8th scale model of a 'Bensport' car. | 1st Jun 1933 | Box 160 \ 2 scan0140 | |
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