| Description | Date | Identifier | |
| Report page on carburetter and manifold experiments, with a diagram of an Eagle carburetter on a modified standard manifold. | 1st Aug 1926 | Box 66a \ 2 scan0128 | |
| Report page showing diagrams and notes on experiments with carburettor and feed pipe systems. | 1st Aug 1926 | Box 66a \ 2 scan0129 | |
| Report comparing a standard distributing pipe with an experimental design (Sketch No. 5) using a Phantom carburettor. | 1st Aug 1926 | Box 66a \ 2 scan0130 | |
| Constructing a new distributing pipe for the Phantom model to improve cold starts. | 27th Aug 1926 | Box 66a \ 2 scan0131 | |
| Experiments with a superheated hot spot throttle heating system on the Phantom model. | 27th Aug 1926 | Box 66a \ 2 scan0132 | |
| Report page detailing engine warming performance with a superheated system and heat flow tests on the cooling water. | 27th Aug 1926 | Box 66a \ 2 scan0133 | |
| Page 3 of a report detailing heat addition analysis at various speeds and conclusions on induction pipe system performance. | 26th Nov 1906 | Box 66a \ 2 scan0134 | |
| Diagram of apparatus for heat flow tests and a graph of temperature rise of oil. | 26th Nov 1906 | Box 66a \ 2 scan0135 | |
| Modifications and performance targets for the Phantom induction pipes and engine components. | 30th Aug 1926 | Box 66a \ 2 scan0136 | |
| The anticipated production of a lighter Phantom engine with aluminium cylinders. | 31th Aug 1926 | Box 66a \ 2 scan0137 | |
| Valve timing and induction system improvements for the Aluminium Phantom engine. | 10th Sep 1926 | Box 66a \ 2 scan0138 | |
| Proposal for designing and testing new twin-carburetter induction pipes for the Phantom engine. | 1st Dec 1926 | Box 66a \ 2 scan0139 | |
| Preliminary lightening of the Phantom engine's waterpipe and flywheel, and improvements to the induction system. | 10th Feb 1927 | Box 66a \ 2 scan0140 | |
| Development and advantages of the Phantom induction pipe arrangement. | 2nd Feb 1927 | Box 66a \ 2 scan0141 | |
| Experiments with various induction pipe systems on the Phantom engine to improve fuel distribution. | 1st Feb 1927 | Box 66a \ 2 scan0142 | |
| Experiments with a slotted intake pipe and a twin-throttle carburettor to improve cold distribution. | 1st Feb 1927 | Box 66a \ 2 scan0143 | |
| Report page detailing various carburetor and manifold configuration tests and their effect on engine distribution. | 1st Feb 1927 | Box 66a \ 2 scan0144 | |
| Engine tests on fuel induction systems, detonation, and the influence of temperature on performance. | 1st Feb 1927 | Box 66a \ 2 scan0145 | |
| Comparison of exhaust heated and water heated systems, discussing detonation, economy, and reliability issues. | 1st Feb 1927 | Box 66a \ 2 scan0146 | |
| Blueprint diagram illustrating a slotted pipe assembly. | 1st Feb 1927 | Box 66a \ 2 scan0147 | |
| Blueprint diagram of a Double Throttle Carburettor. | 1st Feb 1927 | Box 66a \ 2 scan0148 | |
| Diagram showing the layout of a double throttle carburettor and intake manifolds. | 1st Feb 1927 | Box 66a \ 2 scan0149 | |
| Blueprint diagram showing a standard carburetor, labeled as Figure 4. | 1st Feb 1927 | Box 66a \ 2 scan0150 | |
| Blueprint diagram illustrating a baffle in the intake manifold of a Hispano carburettor. | 2nd Feb 1927 | Box 66a \ 2 scan0151 | |
| Proposing various carburettor and induction pipe combinations for the Phantom model. | 2nd Feb 1927 | Box 66a \ 2 scan0152 | |
| Repeated failure of a Phantom induction pipe jacket feed pipe and proposing alterations to fix the issue. | 1st Feb 1927 | Box 66a \ 2 scan0153 | |
| Letter discussing a suggestion to use fused quartz bearings on the choke valve spindle for the exhaust system. | 5th Mar 1927 | Box 66a \ 2 scan0154 | |
| Letter from Rolls-Royce of America about failed tests on water-heated induction pipes for Phantom and Silver Ghost models. | 5th Mar 1927 | Box 66a \ 2 scan0155 | |
| Improvements in boiling and heat-loss to the jackets by adding drains and boilers to the induction system. | 5th Mar 1927 | Box 66a \ 2 scan0156 | |
| Proposing alterations to the Phantom Induction Pipe and Exhaust Jacketed Feed Pipe to overcome service issues. | 8th Mar 1927 | Box 66a \ 2 scan0157 | |
| Proposed alteration to the Phantom induction and exhaust jacketed feed pipe. | 17th Mar 1927 | Box 66a \ 2 scan0158 | |
| Requesting experimental work on induction pipe manifolds for the revised aluminium Phantom. | 7th Jun 1927 | Box 66a \ 2 scan0159 | |
| Two schematic diagrams for a manifold system, showing options with and without a central connection. | 13th Jun 1927 | Box 66a \ 2 scan0160 | |
| Creation of various induction pipe schemes, including materials and referencing. | 13th Jun 1927 | Box 66a \ 2 scan0161 | |
| Experimental induction pipe for the Phantom engine. | 1st Aug 1927 | Box 66a \ 2 scan0162 | |
| The design and testing of an experimental weir type induction pipe for a Phantom engine. | 29th Sep 1927 | Box 66a \ 2 scan0163 | |
| Design of a new single downtake pipe, exhaust system, and a new slipper flywheel. | 24th Oct 1927 | Box 66a \ 2 scan0164 | |
| Test results for a Weir type induction pipe for the Phantom model. | 1st Jan 1928 | Box 66a \ 2 scan0165 | |
| Weir induction pipe for models EAC.14 and EAC.10. | 13th Jan 1928 | Box 66a \ 2 scan0166 | |
| Preliminary cold distribution tests of Weir type induction pipes on a Phantom engine. | 13th Jan 1928 | Box 66a \ 2 scan0167 | |
| Modifications to the carburettor weir pipe to improve fuel distribution and prevent air locks. | 13th Jan 1928 | Box 66a \ 2 scan0168 | |
| Induction system and carburetter testing, focusing on cold distribution and fuel mixture quality for the Phantom model. | 13th Jan 1928 | Box 66a \ 2 scan0169 | |
| Page discussing engine port design and fuel distribution, comparing a six-port engine to a four-port arrangement and proposing new manifold tests. | 13th Jan 1928 | Box 66a \ 2 scan0170 | |
| Continuation of a report on carburettor development and testing for various car models. | 17th Jan 1928 | Box 66a \ 2 scan0171 | |
| Design and testing of a slot-type induction pipe for the EAC.14 engine. | 17th Jan 1928 | Box 66a \ 2 scan0172 | |
| Alternative slotted induction pipe for testing. | 21th Jan 1928 | Box 66a \ 2 scan0173 | |
| Design of gas passages, pipes, and carburettors for Super Sports models, along with vehicle testing feedback. | 21th Jan 1928 | Box 66a \ 2 scan0174 | |
| Blueprint for a slot-type induction pipe for model EAC.14. | 23th Jan 1928 | Box 66a \ 2 scan0175 | |
| Experimental results and preferences for a Weir type induction manifold for the Phantom engine. | 1st Feb 1928 | Box 66a \ 2 scan0176 | |
| Tests of single piece vs two-piece weir type induction pipes for EAC.10 and EAC.14 engines. | 17th Feb 1928 | Box 66a \ 2 scan0177 | |
| Experiments comparing different carburetter and manifold pipe designs, including road and bench test results. | 17th Feb 1928 | Box 66a \ 2 scan0178 | |
| Report page comparing road test results of various manifold and induction systems for improved cold distribution on the Phantom engine. | 20th Feb 1928 | Box 66a \ 2 scan0179 | |
| Tests of Weir type induction pipes for the Lighter Phantom engine. | 20th Feb 1928 | Box 66a \ 2 scan0180 | |
| Test report comparing the performance of different induction pipe, fishtail, and hot spot pipe configurations. | 20th Feb 1928 | Box 66a \ 2 scan0181 | |
| Test report comparing the power output and fuel distribution for two different engine induction setups. | 29th Mar 1928 | Box 66a \ 2 scan0182 | |
| Performance graph comparing BHP and BMEP for three different induction pipe configurations against engine RPM. | 29th Mar 1928 | Box 66a \ 2 scan0183 | |
| Performance graph from tests on Weir induction pipes, showing BHP and BMEP against engine RPM. | 29th Mar 1928 | Box 66a \ 2 scan0184 | |
| Performance graph from 'Weir Induction Pipes Tests, Sheet III', comparing different pipe configurations. | 29th Mar 1928 | Box 66a \ 2 scan0185 | |
| Performance graph from Weir Induction Pipes Tests, Sheet IV, comparing different pipe configurations against engine RPM. | 21th Apr 1928 | Box 66a \ 2 scan0186 | |
| Tests of weir and slotted type Phantom induction pipes, comparing one-piece and two-piece designs. | 21th Apr 1928 | Box 66a \ 2 scan0187 | |
| Experiments with distributing pipe and nozzle designs to improve mixture distribution and fuel efficiency. | 21th Apr 1928 | Box 66a \ 2 scan0188 | |
| Report comparing the performance of weir, standard, and slotted induction pipes, concluding the weir pipe is superior. | 21th Apr 1928 | Box 66a \ 2 scan0189 | |
| Graph plotting specific petrol consumption against dynamometer load for a Phantom Engine No. HU 25 at 1000 RPM, comparing a standard induction pipe with a Weir induction pipe. | 21th Apr 1928 | Box 66a \ 2 scan0190 | |
| Performance comparison graph of different Weir induction pipes on a Phantom engine. | 25th Apr 1928 | Box 66a \ 2 scan0191 | |
| Tests of a modified straight-through vertical carburetter for the Phantom engine. | 25th Apr 1928 | Box 66a \ 2 scan0192 | |
| Tests comparing fixed size choke carburetters with constant depression carburetters. | 25th Apr 1928 | Box 66a \ 2 scan0193 | |
| Continued report on carburettor testing, focusing on air intake position and mixture distribution. | 25th Apr 1928 | Box 66a \ 2 scan0194 | |
| Sketch illustrating a twin air intake for a Claudel Hobson carburettor. | 25th Apr 1928 | Box 66a \ 2 scan0195 | |
| Blueprint showing the internal dimensions of a Claudel-Hobson carburettor and weir induction pipe for the Phantom model. | 25th Apr 1928 | Box 66a \ 2 scan0196 | |
| Graph showing power variation and induction depression with different choke sizes for a Phantom engine. | 26th Apr 1928 | Box 66a \ 2 scan0197 | |
| Requesting modifications and comparative testing for Phantom induction pipes. | 26th Apr 1928 | Box 66a \ 2 scan0198 | |
| Modifications for the Weir induction pipe for the Phantom engine. | 1st May 1928 | Box 66a \ 2 scan0199 | |
| Proposed modifications to the Phantom Weir type slotted induction pipe. | 12th May 1928 | Box 66a \ 2 scan0200 | |
| Development of Phantom induction pipes and engine tappet clearance issues. | 30th May 1928 | Box 66a \ 2 scan0201 | |
| Test report comparing the rate of temperature rise between a standard exhaust-heated hot spot and a water-heated system for the Phantom induction pipe. | 7th Jun 1928 | Box 66a \ 2 scan0202 | |
| Continuation of experiments on a hot spot, focusing on temperature variations and water circulation. | 9th Jun 1928 | Box 66a \ 2 scan0203 | |
| Further tests on exhaust and water heated induction pipes for the Phantom. | 9th Jun 1928 | Box 66a \ 2 scan0204 | |
| Comparison of the heating performance of a standard exhaust system versus a water heating system for the induction pipe. | 9th Jun 1928 | Box 66a \ 2 scan0205 | |
| Graph comparing the temperature rise of a hot spot on an F.2.B. Series Phantom engine using either exhaust or water heating. | 9th Jun 1928 | Box 66a \ 2 scan0206 | |
| Diagram illustrating the setup for Phantom Hot Spot Tests. | 11th Jun 1928 | Box 66a \ 2 scan0207 | |
| Comparing four different induction pipe heating systems for the Phantom model. | 14th Jun 1928 | Box 66a \ 2 scan0208 | |
| Comparison of water-heated and exhaust-heated induction systems for improving engine starting and running conditions. | 14th Jun 1928 | Box 66a \ 2 scan0209 | |
| Report discussing the optimal 'hot spot' position and heating methods for a six-cylinder induction system. | 12th Jun 1928 | Box 66a \ 2 scan0210 | |
| Graph comparing the temperature rise of a hot spot on an F-2-B Series Phantom engine with different exhaust and water heating methods. | 12th Jun 1928 | Box 66a \ 2 scan0211 | |
| Recommending sending an 'SS' car to the U.S.A. to be tested under American conditions. | 21th Jan 1929 | Box 66a \ 2 scan0212 | |
| Feasibility of converting different types of camshafts and asking for instructions. | 17th Dec 1924 | Box 66a \ 2 scan0213 | |
| Secret memo authorizing the standardization of the Lower Lift Camshaft X.8090. | 10th Oct 1924 | Box 66a \ 2 scan0214 | |
| Need to scrap existing camshafts and create new cam formers due to new sales requirements. | 18th Dec 1924 | Box 66a \ 2 scan0215 | |
| Tests to resolve an over-oiling issue on the Phantom engine. | 9th Sep 1925 | Box 66a \ 2 scan0216 | |
| Material selection and issues for valve push rods on the Phantom engine. | 15th Apr 1926 | Box 66a \ 2 scan0217 | |
| Procedure for measuring the oil flow through the bearings on a Phantom engine. | 27th Apr 1926 | Box 66a \ 2 scan0218 | |
| Continuation page of a data table showing results for R.P.M., pressure, temperature, and flow rate. | 6th Jul 1926 | Box 66a \ 2 scan0219 | |
| Alternative designs and materials for a lighter Phantom engine valve rocker cover. | 6th Jul 1926 | Box 66a \ 2 scan0220 | |
| Valve rocker cover construction for the Lighter Phantom Engine, proposing a magnesium alloy casting. | 13th Oct 1926 | Box 66a \ 2 scan0221 | |
| Issues and proposed solutions for magneto drive slip and camshaft drive failure. | 16th Oct 1926 | Box 66a \ 2 scan0222 | |
| Lighter valve rocker cover for the Phantom engine to be produced in 'Electron' metal. | 23th Oct 1926 | Box 66a \ 2 scan0223 | |
| Modifications to the 40/50HP Phantom Chassis raised rockers, including a list of replacement parts. | 10th Mar 1927 | Box 66a \ 2 scan0224 | |
| Requesting the communication of experiment results regarding valve seating and noise minimisation. | 10th Mar 1927 | Box 66a \ 2 scan0225 | |
| Phantom tappet noises and the effectiveness of altering the rockers to quiet the valves. | 16th Apr 1927 | Box 66a \ 2 scan0226 | |
| Long duration camshaft experiments conducted on the Phantom engine. | 16th Aug 1927 | Box 66a \ 2 scan0227 | |
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