Rolls-Royce Archives
From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
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DescriptionDateIdentifier
The deletion of the two-level device for the 20 HP car.15th May 1929Box 17 \ 5  Scan021
Comparative tests of a non-return valve in the Phantom II petrol supply system.26th Oct 1929Box 17 \ 5  Scan022
Graph showing the effect of a non-return valve on the petrol feed system of a Phantom II, comparing petrol delivery against engine RPM.29th Oct 1930Box 17 \ 5  Scan023
Blank page with a date stamp from Derby.29th Oct 1930Box 17 \ 5  Scan024
Letter complaining about the removal of the petrol tank reserve supply in the Phantom II model, highlighting safety concerns for Australian conditions.19th Dec 1929Box 17 \ 5  Scan025
Explaining the operation of the Phantom II petrol gauge and the reasoning for its design.27th Jan 1930Box 17 \ 5  Scan026
Modifications required for a spare wheel carrier for 7-inch section tyres.3rd Feb 1930Box 17 \ 5  Scan027
Revised petrol gauge fitting, its supply, finish, and related modifications to the car's rear, including a new luggage grid design.6th Feb 1930Box 17 \ 5  Scan028
Improvements for the rear of the Phantom II chassis.11th Feb 1930Box 17 \ 5  Scan029
Design changes for a hinged petrol tank filler.23th Apr 1930Box 17 \ 5  Scan030
Issues with the Phantom II's petrol level indicator and proposing the reintroduction of a two-gallon reserve.27th May 1930Box 17 \ 5  Scan031
Phantom II petrol level indicator and reverting to a standard two-gallon reserve.30th May 1930Box 17 \ 5  Scan032
Modification to the Phantom II petrol reserve system.31th May 1930Box 17 \ 5  Scan033
Suitable scheme for the petrol reserve system, involving an autovac tank and petrol pump.2nd Jun 1930Box 17 \ 5  Scan034
The increased petrol reserve for the Phantom II, noting that parts from the Phantom I are not suitable.14th Jun 1930Box 17 \ 5  Scan035
Improvements to the petrol gauge.16th Jun 1930Box 17 \ 5  Scan036
List of suggestions for modifying instrument and tank fittings, primarily to prevent spillage.16th Jun 1930Box 17 \ 5  Scan037
Alternative tank designs, fittings, vents, and pumps.16th Jun 1930Box 17 \ 5  Scan038
Investigation into the causes of petrol gauge failures and proposed modifications.24th Jun 1930Box 17 \ 5  Scan039
Improvements and remaining issues with petrol gauges, comparing Nivex and Hobson models.24th Jun 1930Box 17 \ 5  Scan040
The advantages and installation procedure of the 'Nivex' petrol gauge.24th Jun 1930Box 17 \ 5  Scan041
Typed document fragment, page 4, containing the end of a comparative statement.1st Jul 1930Box 17 \ 5  Scan042
Design and installation of petrol gauges and other instruments on the dashboard.1st Jul 1930Box 17 \ 5  Scan043
Action taken and production commencement for the Phantom II petrol reserve scheme.2nd Jul 1930Box 17 \ 5  Scan044
The decision to reinstate the two-gallon petrol reserve on the Phantom II and 20/25 models.8th Jul 1930Box 17 \ 5  Scan045
Design changes to the rear of the P.2 model, including the tank, gauge, and luggage grid, for when no spare wheel is fitted.12th Jul 1930Box 17 \ 5  Scan046
Modifications to petrol tank fittings, a reserve tank, and luggage grids for cars without a rear spare wheel.14th Aug 1930Box 17 \ 5  Scan047
Design and requirements for luggage grids and rear aprons.4th Aug 1930Box 17 \ 5  Scan048
Reducing the petrol reserve in the Autovac and altering the stand pipe height.1st Mar 1930Box 17 \ 5  Scan049
Design and standardization of a K.S. petrol gauge tank fitting.26th Aug 1930Box 17 \ 5  Scan050
Standardisation proposal for a two-level reserve compartment in the rear tank.2nd Jun 1930Box 17 \ 5  Scan051
Issues with the Phantom II rear petrol tank and gauge installation by coachbuilders.3rd Sep 1930Box 17 \ 5  Scan052
Standardisation of a hinged petrol tank filler cap to replace the screwed on type.24th Jul 1930Box 17 \ 5  Scan053
Need for a centrally vented tank to simplify and improve the reliability of the petrol gauge.7th Nov 1930Box 17 \ 5  Scan054
Modifications to the petrol tank and exhaust fishtail.17th Nov 1930Box 17 \ 5  Scan055
Urgent request for a scheme detailing the size and position of a reserve tank for the 40/50 HP chassis' new petrol pump and twin carburetter combination.19th Dec 1930Box 17 \ 5  Scan056
Requesting to expedite the installation of a centrally vented tank on car 27-EX.12th Jan 1931Box 17 \ 5  Scan057
Modifications for a rear apron on the P.2 model, related to the fitting of a new petrol tank and gauge.6th Mar 1931Box 17 \ 5  Scan058
Road tests and design issues of a single-line petrol gauge for the Phantom II.9th Mar 1931Box 17 \ 5  Scan059
Tests and modifications carried out on a Phantom II diaphragm petrol pump.12th Mar 1931Box 17 \ 5  Scan060
Analysis of fuel feed systems and pumps for a new twin-choke carburetter.12th Mar 1931Box 17 \ 5  Scan061
Fuel system tests and proposing the use of an A.C. fuel pump.12th Mar 1931Box 17 \ 5  Scan062
Graph comparing the delivery performance of an AC petrol pump versus an RR petrol pump, alongside Phantom engine consumption data.14th Mar 1931Box 17 \ 5  Scan063
Almost completely illegible document bearing a purple stamp from the Print Room in Derby.14th Mar 1931Box 17 \ 5  Scan064
Advantages and disadvantages of a centrally vented petrol tank design.13th Mar 1931Box 17 \ 5  Scan065
Secret memo regarding the standardisation of the control for the petrol reserve tank on the Phantom II.24th Mar 1931Box 17 \ 5  Scan066
Rejection of a single line petrol gauge design and proposing a new solution for an experimental tank.31th Mar 1931Box 17 \ 5  Scan067
Design and implementation of a combined petrol tap on the dashboard for the P.2. and 20/25 HP models.2nd Apr 1931Box 17 \ 5  Scan068
Parts list for the Phantom II Chassis, detailing changes to the frames, fittings, and petrol tank.15th Apr 1931Box 17 \ 5  Scan069
List of parts and modifications for petrol tank pipes, with instructions for fitting on chassis 27-EX.15th Apr 1931Box 17 \ 5  Scan070
Request for a scheme to operate a temporary A.C. petrol pump on a Phantom II for testing a twin-choke carburettor.7th Apr 1931Box 17 \ 5  Scan071
Failure of a petrol tank for the 27-EX model and instructions for a replacement.20th Apr 1931Box 17 \ 5  Scan072
Redesign of a petrol pump from sylphon tubes to a fabric diaphragm due to cost.4th May 1931Box 17 \ 5  Scan073
New petrol pump, detailing its advantages over the A.C. model and its suitability for specific car models.7th May 1931Box 17 \ 5  Scan074
The petrol pump operating mechanism and the required diaphragm design.19th May 1931Box 17 \ 5  Scan075
Modifications and design features for A.C. standard petrol pumps.22th May 1931Box 17 \ 5  Scan076
Letter discussing lubrication, material choice, and other design considerations for a petrol pump.2nd Jun 1931Box 17 \ 5  Scan077
Lubrication, fibre washers, and chassis tube rigidity related to a petrol pump.5th Jun 1931Box 17 \ 5  Scan078
New design for a Hobson petrol gauge fitting on a petrol tank.9th Sep 1931Box 17 \ 5  Scan079
Notes on fitting an A.C. Petrol Pump to a 25-EX chassis for a 10,000 miles trial.10th Jun 1931Box 17 \ 5  Scan080
Test data for a Phantom II Petrol Pump, measuring delivery rates in pints per hour and maximum pressure with various spring configurations.23th Sep 1931Box 17 \ 5  Scan081
Graph of petrol pump performance showing delivery rates at various pump speeds and spring configurations.23th Sep 1931Box 17 \ 5  Scan082
Telephone conversation regarding a P.2. petrol pump and a 20/25 HP crankshaft balance weight.5th Oct 1931Box 17 \ 5  Scan083
Confirmation of a telegram regarding a petrol pump difficulty.9th Oct 1931Box 17 \ 5  Scan084
Performance graph of petrol pump tests, comparing delivery rate versus pump speed for different pump configurations.12th Oct 1931Box 17 \ 5  Scan085
Filing instruction for a document concerning a petrol pump.13th Oct 1931Box 17 \ 5  Scan086
Standardisation of a remote control for the petrol tank reserve, operated from the dashboard.26th Aug 1931Box 17 \ 5  Scan087
Chassis numbers and associated costs for fitting a new standardized part.3rd Oct 1931Box 17 \ 5  Scan088
Experiments and modifications conducted on a Phantom II petrol pump.3rd Oct 1931Box 17 \ 5  Scan089
Progress report on the development and testing of the R.R. petrol pump.3rd Oct 1931Box 17 \ 5  Scan090
Graph plotting petrol pump delivery rates against pump speed for A.C. and PII pump models.12th Oct 1931Box 17 \ 5  Scan091
Blank page with a purple date stamp from Derby in the bottom right corner.13th Oct 1931Box 17 \ 5  Scan092
The conversion of a P. 2. Petrol Pump to direct acting.15th Oct 1931Box 17 \ 5  Scan093
Performance, modifications, and testing of a petrol pump.29th Oct 1931Box 17 \ 5  Scan094
Performance graphs for a PH petrol pump, showing delivery rate vs pump speed under various air bottle and reservoir configurations.19th Oct 1931Box 17 \ 5  Scan095
Heavily faded document, possibly a carbon copy, with a date stamp at the bottom right.29th Oct 1931Box 17 \ 5  Scan096
Design, testing, and modification of petrol pumps, comparing different design schemes.31th Oct 1931Box 17 \ 5  Scan097
Accompanying the second report on petrol pump efficiency following alterations to suction passages and valve ports.14th Nov 1931Box 17 \ 5  Scan098
Experiments modifying a standard petrol pump in stages to increase its output, with a summary of test results.13th Nov 1931Box 17 \ 5  Scan099
Summary continued of performance tests on a pump, detailing modifications and their effects on delivery rates.13th Nov 1931Box 17 \ 5  Scan100
Summary of final test results detailing modifications to increase delivery.13th Nov 1931Box 17 \ 5  Scan101
Performance test results and modifications for a P.II. petrol pump, including graphs and cross-sectional diagrams.27th Oct 1931Box 17 \ 5  Scan102
Performance test results for a petrol pump, showing delivery rate versus speed under various configurations.27th Oct 1931Box 17 \ 5  Scan103
Test report on a K.S. Hobson petrol gauge for a 27-EX model.7th Dec 1931Box 17 \ 5  Scan104
Petrol tank tests covering spillage on corners, gauge reading loss overnight, and issues with a shorter filler.18th Jan 1932Box 17 \ 5  Scan105
Instruction to fit petrol pumps to various Phantom II chassis.18th Jan 1932Box 17 \ 5  Scan106
Specification and complete parts list for a LEC 2961 Phantom II Petrol Pump for a test bed engine.18th Jan 1932Box 17 \ 5  Scan107
Experiments and modifications to a Phantom II Petrol Pump, LCC 2951, to improve performance.25th Jan 1932Box 17 \ 5  Scan108
Report page detailing the performance curve of deliveries, noting irregularities and increases at specific RPMs.25th Jan 1932Box 17 \ 5  Scan109
Performance graph for a Phantom II petrol pump on a test bed engine.15th Jan 1932Box 17 \ 5  Scan110
Blank document page with a purple date stamp from Derby.25th Jan 1932Box 17 \ 5  Scan111
Endurance test report on a F.II petrol pump, focusing on a loosening pivot pin issue.21th Mar 1932Box 17 \ 5  Scan112
Wear and condition of various pump and engine components after a test.21th Sep 1932Box 17 \ 5  Scan113
Blueprint diagram illustrating wear on the contact face of a tappet lever after an endurance test.17th Mar 1932Box 17 \ 5  Scan114
Stamp from the Derby print room.21th Mar 1932Box 17 \ 5  Scan115
Complaints about the petrol filler cap and proposing a hinged flap valve solution.13th May 1932Box 17 \ 5  Scan116
Performance issues and comparisons between the Phantom II and J.III petrol pumps.20th May 1932Box 17 \ 5  Scan117
Solutions for drawing fuel from the reserve, suggesting a larger diaphragm or priming the pipe line.20th May 1932Box 17 \ 5  Scan118
Performance graph from petrol pump tests, plotting delivery, consumption, and pressure against engine RPM.21th May 1932Box 17 \ 5  Scan119
Cover sheet stamped by the Print Room.21th May 1932Box 17 \ 5  Scan120


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