| Description | Date | Identifier | |
| Report page detailing tests on a carburetor's jet needle, choke, and diffuser performance. | 21th Oct 1929 | Box 13 \ 3 03-page116 | |
| Graph of power curves comparing different carburettor configurations on a Standard Phantom engine. | 21th Oct 1929 | Box 13 \ 3 03-page117 | |
| Graph plotting Brake Horse Power (BHP) against RPM for two expanding choke carburettor configurations. | 23th Oct 1929 | Box 13 \ 3 03-page118 | |
| Experiments on an exhaust-heated hot spot for the Phantom II engine. | 23th Oct 1929 | Box 13 \ 3 03-page119 | |
| Test report comparing exhaust temperatures with different silencer arrangements and suggesting design improvements. | 22th Oct 1929 | Box 13 \ 3 03-page120 | |
| Power curve graph for Engine No. SS.15, comparing an exhaust-heated hot-spot system to a standard water-heated one. | 22th Oct 1929 | Box 13 \ 3 03-page121 | |
| Blueprint drawing of an Exhaust Hot Spot Silencer. | 17th Oct 1929 | Box 13 \ 3 03-page122 | |
| The standardisation of the Phantom II exhaust heated carburetter. | 25th Oct 1929 | Box 13 \ 3 03-page123 | |
| Experimental results for an exhaust-heated carburettor on the Phantom II. | 25th Oct 1929 | Box 13 \ 3 03-page124 | |
| Development and urgency of an exhaust heated carburetter for the Phantom II, specifically for the American market. | 28th Oct 1929 | Box 13 \ 3 03-page125 | |
| Design options for the Phantom II exhaust heated throttle and silencer system. | 28th Oct 1929 | Box 13 \ 3 03-page126 | |
| Standardisation of exhaust-heated carburettors for the Phantom II chassis, listing affected parts. | 31th Oct 1929 | Box 13 \ 3 03-page127 | |
| Supply of new exhaust heated carburetter parts for a Phantom II to the American company. | 1st Nov 1929 | Box 13 \ 3 03-page128 | |
| The fitting of an exhaust heated carburetter for a Phantom II. | 5th Nov 1929 | Box 13 \ 3 03-page129 | |
| Power output tests of an expanding choke carburetter on a Phantom II engine. | 1st Nov 1929 | Box 13 \ 3 03-page130 | |
| Progress report on resolving engine metering problems by testing combinations of needle taper and diffuser air piston springs. | 1st Nov 1929 | Box 13 \ 3 03-page131 | |
| Graph comparing the power output of a Phantom III engine with an expanding choke carburettor versus a standard Phantom carburettor. | 4th Nov 1929 | Box 13 \ 3 03-page132 | |
| Analysis of obstructions in the petrol supply line to the carburettor and their effect on delivery flow rates. | 7th Nov 1929 | Box 13 \ 3 03-page133 | |
| Analysis of fuel flow obstructions and delivery rates under various supply conditions. | 7th Nov 1929 | Box 13 \ 3 03-page134 | |
| Table of fluid delivery results under various component configurations. | 7th Nov 1929 | Box 13 \ 3 03-page135 | |
| Needle valve seat and fuel flow tests with recommendations for improvement. | 7th Nov 1929 | Box 13 \ 3 03-page136 | |
| Comparison table of flow rates for a standard filter versus a modified filter. | 1st Nov 1929 | Box 13 \ 3 03-page137 | |
| Drawing of a nipple used for petrol flow tests. | 6th Nov 1929 | Box 13 \ 3 03-page138 | |
| Blueprint showing the dimensions of a larger banjo used on petrol flow tests, supplied with Zenith petrol filters. | 7th Nov 1929 | Box 13 \ 3 03-page139 | |
| Cross-section drawing showing a modification to part E76531 for petrol flow tests. | 7th Nov 1929 | Box 13 \ 3 03-page140 | |
| Blueprint detailing a valve assembly and various points at which petrol flow deliveries were measured. | 7th Nov 1929 | Box 13 \ 3 03-page141 | |
| Testing and development of an exhaust heating device for Phantom II carburettors, for chassis ordered by America. | 11th Nov 1929 | Box 13 \ 3 03-page142 | |
| Noise issue with the exhaust heating system for Phantom II carburettors. | 2nd Nov 1929 | Box 13 \ 3 03-page143 | |
| Noise issues with the exhaust heated hot spot on the Phantom II. | 16th Nov 1929 | Box 13 \ 3 03-page144 | |
| Customer suggestion to connect the red warning lamp to the starter carburetter on Phantom cars. | 8th Nov 1929 | Box 13 \ 3 03-page145 | |
| Proposal to add a red warning lamp for the starting carburetter to alert customers when it is left on. | 18th Nov 1929 | Box 13 \ 3 03-page146 | |
| Design to silence the noise in the exhaust heated induction pipe for the Phantom II. | 27th Nov 1929 | Box 13 \ 3 03-page147 | |
| Design schemes for an exhaust-heated throttle on the Phantom II model. | 29th Nov 1929 | Box 13 \ 3 03-page148 | |
| Alternative exhaust-heated carburettor uptake for the Phantom II, designed to dampen exhaust noise. | 1st Dec 1929 | Box 13 \ 3 03-page149 | |
| Proposal for improvements to carburetters, outlining a system combining fixed and expanding type features. | 12th Mar 1929 | Box 13 \ 3 03-page150 | |
| Technical description of carburettor design features and principles of operation. | 12th Mar 1929 | Box 13 \ 3 03-page151 | |
| Page discussing an air valve, a restrictor needle, and referencing an attached carburetter drawing. | 4th Dec 1929 | Box 13 \ 3 03-page152 | |
| New expanding carburetter design based on a recent patent, aimed at increasing MEP at higher speeds. | 4th Dec 1929 | Box 13 \ 3 03-page153 | |
| Modifications to the Phantom II Air Silencer Carburetter to reduce power loss. | 7th Dec 1929 | Box 13 \ 3 03-page154 | |
| List of requested alterations for various parts, with a supporting diagram for one modification. | 16th Dec 1929 | Box 13 \ 3 03-page155 | |
| From Sg. to Hs. regarding the approval and fitting of an exhaust-heated carburettor. | 16th Dec 1929 | Box 13 \ 3 03-page156 | |
| Issuing a standardisation sheet for an exhaust heated bend for the Phantom II model. | 16th Dec 1929 | Box 13 \ 3 03-page157 | |
| Carburetter standardisation, Phantom II frame modifications, and the 20 HP model. | 17th Dec 1929 | Box 13 \ 3 03-page158 | |
| Design decisions for rubber engine mountings, aero engine R, reduction gear noise, and material treatments. | 18th Dec 1929 | Box 13 \ 3 03-page159 | |
| Requesting views on an attached note regarding an exhaust heated carburetter. | 18th Dec 1929 | Box 13 \ 3 03-page160 | |
| Requesting to fit an exhaust heated carburetter to a customer's Phantom II chassis destined for the U.S.A. | 17th Dec 1929 | Box 13 \ 3 03-page161 | |
| Fitting of an exhaust heated carburetter to Phantom II cars destined for use in the U.S.A. | 19th Dec 1929 | Box 13 \ 3 03-page162 | |
| Report discussing piston seizure and scoring issues attributed to misuse of the starter carburetter, proposing a modification. | 19th Dec 1929 | Box 13 \ 3 03-page163 | |
| Suggestion for a simplified, non-adjustable lubrication system using an 'upper cylinder' lubricant. | 19th Dec 1929 | Box 13 \ 3 03-page164 | |
| Tests carried out on an Air Silencer Carburetter S.S. detailing power loss issues. | 20th Dec 1929 | Box 13 \ 3 03-page165 | |
| Analysis of power loss caused by cowling and air-silencer modifications on a carburetter. | 20th Dec 1929 | Box 13 \ 3 03-page166 | |
| Proposed modifications to a silencer and carburettor to improve airflow and reduce noise. | 6th Dec 1929 | Box 13 \ 3 03-page167 | |
| Graph comparing Brake Horse Power vs RPM for an engine with different air silencer carburettor configurations. | 6th Dec 1929 | Box 13 \ 3 03-page168 | |
| Graph plotting Brake Horse Power against RPM for Air Silencer Carburettor development on Engine No. S-7. | 9th Dec 1929 | Box 13 \ 3 03-page169 | |
| Performance graph analysing silencer losses during air silencer carburettor development on Engine N° 55-7. | 9th Dec 1929 | Box 13 \ 3 03-page170 | |
| Performance graph analyzing engine brake horsepower versus RPM for various air silencer carburetor configurations and losses. | 9th Dec 1929 | Box 13 \ 3 03-page171 | |
| Design, materials, and silencer for the Phantom II exhaust-heated induction pipe. | 21th Dec 1929 | Box 13 \ 3 03-page172 | |
| Required modifications for the Air Silencer Carburetter, LeC.2734. | 28th Dec 1929 | Box 13 \ 3 03-page173 | |
| Drawing for a proposed modification to the Phantom II Air Silencer. | 2nd Jan 1930 | Box 13 \ 3 03-page174 | |
| The exhaust heated throttle fitted to cars sent to America. | 3rd Jan 1930 | Box 13 \ 3 03-page175 | |
| The supply and fitting of exhaust-heated carburetters for various Phantom II chassis. | 3rd Jan 1930 | Box 13 \ 3 03-page176 | |
| Modification instructions for the Phantom 11 carburetter air inlet and silencer. | 4th Jan 1930 | Box 13 \ 3 03-page177 | |
| Modification of a suction piston for a high-speed choke tube. | 4th Jan 1930 | Box 13 \ 3 03-page178 | |
| The results of fitting a Solex Duplex carburettor to a Phantom II engine. | 7th Jan 1930 | Box 13 \ 3 03-page179 | |
| Performance comparison of Standard, R.R.C.H., and Solex twin carburettors on a Phantom II engine. | 7th Jan 1930 | Box 13 \ 3 03-page180 | |
| The performance of a Solex induction system and carburetter on a Phantom I car (12-EX). | 7th Jan 1930 | Box 13 \ 3 03-page181 | |
| Graph plotting Brake Horse Power against RPM for Solex twin carburettor tests on a Phantom II engine. | 10th Jan 1930 | Box 13 \ 3 03-page182 | |
| Query about the suggestion to add a red warning lamp for the starter carburetter on 'Phantom' cars. | 10th Jan 1930 | Box 13 \ 3 03-page183 | |
| Drawing for an expanding carburetter with a fixed throat for the Phantom II. | 19th Jan 1930 | Box 13 \ 3 03-page184 | |
| Modification to force lubricating oil into cylinders when using the starting carburetter. | 28th Jan 1930 | Box 13 \ 3 03-page185 | |
| The performance improvements of the Phantom II engine when fitted with a twin Solex carburettor, including feedback from Sir Henry Segrave. | 21th Jan 1930 | Box 13 \ 3 03-page186 | |
| Improving engine performance and acceleration by using twin carburetters, with references to competitors and specific engine models. | 22th Jan 1930 | Box 13 \ 3 03-page187 | |
| Dynamometer and road test report comparing a Solex twin choke carburetter against the standard on a Phantom II. | 22th Jan 1930 | Box 13 \ 3 03-page188 | |
| The performance of a simple carburettor and potential improvements. | 22th Jan 1930 | Box 13 \ 3 03-page189 | |
| Graph comparing power at road wheels for a Solex Twin Choke Carburetter versus an RR Carburetter on a Phantom II. | 22th Jan 1930 | Box 13 \ 3 03-page190 | |
| Resolving petrol feed issues on the Phantom II model during dynamometer testing. | 27th Jan 1930 | Box 13 \ 3 03-page191 | |
| Modifications to the Phantom II air inlet silencer to reduce power loss. | 28th Jan 1930 | Box 13 \ 3 03-page192 | |
| The Phantom II exhaust heated throttle, its testing, and a proposal for an extra oil supply scheme. | 28th Jan 1930 | Box 13 \ 3 03-page193 | |
| Test report and recommendation for the Phantom II exhaust heated jacket induction system silencer. | 30th Jan 1930 | Box 13 \ 3 03-page194 | |
| Phantom II exhaust heated jacket induction system, the malleable iron feed pipe, and a silencer design. | 1st Feb 1930 | Box 13 \ 3 03-page195 | |
| Unsatisfactory noise issue with exhaust heated throttles on production chassis under light load. | 14th Feb 1930 | Box 13 \ 3 03-page196 | |
| Responding to a complaint about a noisy exhaust heated throttle system on the 22-EX chassis. | 15th Feb 1930 | Box 13 \ 3 03-page197 | |
| Proposing finer manufacturing limits for the Phantom II exhaust heated induction bend. | 18th Feb 1930 | Box 13 \ 3 03-page198 | |
| The eighth report of the design committee discussing developments for the Phantom ll, 20 HP, Condor, and Schneider Trophy engines. | 25th Feb 1930 | Box 13 \ 3 03-page199 | |
| Engine modifications and development requirements for the 1931 Schneider Trophy race. | 25th Feb 1930 | Box 13 \ 3 03-page200 | |
| Summary of tests with twin Solex carburetters on the Phantom II vehicle, comparing performance improvements. | 27th Feb 1930 | Box 13 \ 3 03-page201 | |
| Extract from quarterly complaints for the 20 HP & Phantom models, detailing a suggestion for the starter carburetter. | 27th Feb 1930 | Box 13 \ 3 03-page202 | |
| Standardisation of an exhaust heated induction pipe bend to improve carburation on cars for the U.S.A. | 16th Dec 1929 | Box 13 \ 3 03-page203 | |
| Standardisation document for an exhaust heated induction pipe bend. | 12th Dec 1918 | Box 13 \ 3 03-page204 | |
| Proposal for the standardisation of the Phantom II exhaust heated induction pipe bend system. | 13th Dec 1929 | Box 13 \ 3 03-page205 | |
| Proposing a design for an adjustable mechanism for the radiator shutter and starting carburetter controls. | 11th Apr 1930 | Box 13 \ 3 03-page206 | |
| Development of twin carburetters for 6-cylinder engines, potentially for the Phantom II. | 14th May 1930 | Box 13 \ 3 03-page207 | |
| Power loss due to the carburettor air silencer and proposed modifications. | 7th May 1930 | Box 13 \ 3 03-page208 | |
| Preliminary tests of a modified air-silencer carburetter (LRC.2786) for F.II engines. | 7th May 1930 | Box 13 \ 3 03-page209 | |
| Analysis of power loss from air-port cowling and silencer tubes with proposed modifications to improve performance. | 7th May 1930 | Box 13 \ 3 03-page210 | |
| Blueprint graph comparing brake horsepower against engine RPM for a Phantom II engine with and without an air silencer carburettor. | 6th May 1930 | Box 13 \ 3 03-page211 | |
| Graph analysing the power loss of an air silencer carburettor by plotting brake horse power against engine RPM. | 6th May 1930 | Box 13 \ 3 03-page212 | |
| Preliminary test report and modification request for the Phantom II starting carburetter nozzle and needle. | 14th May 1930 | Box 13 \ 3 03-page213 | |
| Diagram of a needle valve assembly for a starting carburetter. | 31th May 1930 | Box 13 \ 3 03-page214 | |
| Oil draining and power loss issues with a carburetter silencer, proposing design modifications. | 31th May 1930 | Box 13 \ 3 03-page215 | |
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