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
Design and prototyping of a new end filler for the petrol tank on the 40/50 HP chassis.30th Jan 1920Box 42 \ 4  Scan073
Note regarding particulars for an air vent pipe connecting the petrol pipe to the filler tube.30th Jan 1920Box 42 \ 4  Scan074
Design modifications to the 40/50 HP chassis petrol tank, including the strainer, vent pipe, and reserve fuel device.3rd Feb 1920Box 42 \ 4  Scan075
Extract discussing modifications and component choices for a trials car destined for America.4th Feb 1920Box 42 \ 4  Scan076
Petrol tank design for the American chassis.27th May 1920Box 42 \ 4  Scan077
List of parts and modifications for a car destined for West Wittering.19th Apr 1920Box 42 \ 4  Scan078
Delay and listing new parts being fitted to the replacement 6.EX car.28th May 1920Box 42 \ 4  Scan079
List of experimental parts fitted to chassis 6.EX.22th Jun 1920Box 42 \ 4  Scan080
List of experimental parts fitted to the 6.EX car.28th Jun 1920Box 42 \ 4  Scan081
Instructions for altering dimensions on the side filler for the petrol tank of a 40/50 chassis.1st Jul 1920Box 42 \ 4  Scan082
Listing parts fitted to experimental cars 4.EX and 6.EX.1st Jul 1920Box 42 \ 4  Scan083
Issues with petrol tanks with side fillers, focusing on venting problems and cap design.20th Jul 1920Box 42 \ 4  Scan084
Ordering soft red fibre washers and standardising the petrol filter and tank filler.20th Jul 1920Box 42 \ 4  Scan085
The design of a petrol tank side filler and sending a model distribution board.22th Jul 1920Box 42 \ 4  Scan086
Clarifying the positioning of the side filler on American versus English petrol tanks.23th Jul 1920Box 42 \ 4  Scan087
Modifications for a side petrol filter on the 6EX model, including a new vent pipe design and other improvements.24th Jul 1926Box 42 \ 4  Scan088
Continuation of a memo regarding modifications to a main casting and petrol tank.23th Jul 1920Box 42 \ 4  Scan089
Design improvements to the petrol tank side filler, including a new lock and nut.24th Jul 1920Box 42 \ 4  Scan090
Modifications for petrol tanks, gauges, and reserve devices, including a new double level device.31th Jul 1920Box 42 \ 4  Scan091
The design of a fuel tank, including a plug for manual gauging and the search for a suitable petrol level indicator.31th Jul 1920Box 42 \ 4  Scan092
Design points for a petrol tank side filler and vent pipe, with sketches.5th Aug 1920Box 42 \ 4  Scan093
Hand-drawn sketch of a lever and cam mechanism.5th Aug 1920Box 42 \ 4  Scan094
Design specifications and sketches for a filler cap, handle, and strainer assembly.5th Aug 1920Box 42 \ 4  Scan095
Note specifying the filler position for left-hand and right-hand steering cars.5th Aug 1920Box 42 \ 4  Scan096
Cablegram from Claude Johnson outlining decisions on the starter motor, petrol tank, dynamo, and magneto for the American Springfield chassis.6th Aug 1920Box 42 \ 4  Scan097
Modifications to a petrol tank, including the level indicator and reserve fuel device.17th Aug 1920Box 42 \ 4  Scan098
Suggested modifications for a drain fitting, valve stop, and piping related to a luggage grid.17th Aug 1920Box 42 \ 4  Scan099
Blueprints for a modified petrol tank, specifically schemes 540 and 538, sent for final approval.19th Aug 1920Box 42 \ 4  Scan100
Issues and proposed modifications for a petrol tank side filler, cap, and ventilation system.23th Aug 1920Box 42 \ 4  Scan101
Improvements to a funnel, petrol gauge, and luggage carrier fittings.23th Aug 1920Box 42 \ 4  Scan102
Design requirements for a side petrol filler on a 40/50 HP chassis.27th Aug 1920Box 42 \ 4  Scan103
Instructions regarding component modifications for testing and standardisation, with feedback from Mr. Royce.27th Aug 1920Box 42 \ 4  Scan104
Extract from communications discussing the design and production of a petrol tank for the American market.27th Aug 1920Box 42 \ 4  Scan105
The arrangements and modifications for an experimental car being sent to the U.S.A. for winter testing.1st Nov 1920Box 42 \ 4  Scan106
Work on 6.EX Car at Park Wards, including a list of new parts to be installed.13th Nov 1920Box 42 \ 4  Scan107
Extract from a report on a visit to America, discussing petrol level indicators and wiring arrangements.15th Nov 1920Box 42 \ 4  Scan108
Experimental parts fitted to chassis 4.EX.12th Dec 1920Box 42 \ 4  Scan109
The unsatisfactory petrol tank side filling scheme and the resulting material hold-up for the 'R' series.3rd Feb 1921Box 42 \ 4  Scan110
The performance issues of a side filler for a petrol tank on the 4 EX Car, specifically its slow filling rate at American gasoline stations, and potential modifications.10th Feb 1921Box 42 \ 4  Scan111
Potential improvements and material holds for the 'R' Series.11th Feb 1921Box 42 \ 4  Scan112
The removal of the inlet gauze from petrol tank side fillers for Goshawk and 40/50 HP models.21th Aug 1922Box 42 \ 4  Scan113
Cover note for a completed standardisation sheet regarding a side filler for a petrol tank.6th Sep 1922Box 42 \ 4  Scan114
Standardisation of a side filler for the petrol tank.11th Aug 1922Box 42 \ 4  Scan115
Proposal to add a side filler to the 40/50 chassis petrol tank.11th Aug 1922Box 42 \ 4  Scan116
Solutions for owners losing petrol tank filler caps, proposing either a chain or a cable.27th Sep 1923Box 42 \ 4  Scan117
Forwarding a letter regarding the 'Eagle' VIII Circulating Pump, with instructions to reply directly to the Ministry.24th Jan 1920Box 42 \ 4  Scan118
Inquiry from the Air Ministry regarding experiments with Tucks Patent Packing in the Eagle VIII circulating pump.22th Jan 1920Box 42 \ 4  Scan119
Letter to the Air Ministry regarding testing Tucks Patent Packing for the 'Eagle' VIII Circulating Pump.4th Feb 1920Box 42 \ 4  Scan120
Letter from the Air Ministry regarding the 'Eagle' VIII Circulating Pump and Tucks patent Packing.9th Feb 1920Box 42 \ 4  Scan121
Special Dunlop wheels with loose rims suitable for American tyres, for chassis intended for America.15th May 1919Box 42 \ 4  Scan122
To Mr. Hives requesting a report on a sample American Wheel received from the Dunlop Rubber Co Ltd.23th Sep 1919Box 42 \ 4  Scan123
Difficulties and risks associated with fitting wooden wheels.23th Sep 1919Box 42 \ 4  Scan124
The difficulty of persuading customers to choose wire wheels over wooden wheels.20th Sep 1919Box 42 \ 4  Scan125
Letter regarding customer dissatisfaction with standard wire wheels in the American market and a recommendation to supply wooden wheels.2nd Sep 1919Box 42 \ 4  Scan126
With a sketch discussing the damage to wire wheel spokes on imported cars due to the design of street gutters.16th Sep 1919Box 42 \ 4  Scan127
Supply of parts for wood wheels and the preference for wire wheels.16th Sep 1919Box 42 \ 4  Scan128
Preventing car theft and a comparison of different wheel types, including wire, disc, and wood.9th Dec 1919Box 42 \ 4  Scan129
Various components including temperature indicators, hubs, and fuel tank gauzes.2nd Dec 1919Box 42 \ 4  Scan130
List of parts, specifically rims and tyres, sent from the United States for experimental work.30th Jan 1920Box 42 \ 4  Scan131
Letter requesting an urgent decision on the standardization of wheel rims for the US market.4th Feb 1920Box 42 \ 4  Scan132
Letter from the New York office requesting an urgent cabled decision on the choice of wire wheel rims.10th Jan 1920Box 42 \ 4  Scan133
Supply of 450 wire wheels and the testing of rims from Firestone, Goodyear, and Standweld.10th Jan 1920Box 42 \ 4  Scan134
The failure of Firestone rims during tests, the subsequent cancellation of an order, and arguments for reconsidering the decision.25th Jun 1920Box 42 \ 4  Scan135
Comparison of different types of wheel rims including Firestone, Goodyear, and Dunlop.25th Jun 1920Box 42 \ 4  Scan136
Tyre and rim safety, comparing Goodyear and Firestone designs and the risk of components detaching.25th Jun 1920Box 42 \ 4  Scan137
Various tyre and rim suppliers, including Dunlop, Goodyear, Rudge-Whitworth, and Firestone.25th Jun 1920Box 42 \ 4  Scan138
Addition of a device to a Firestone rim to improve the safety and construction of a wire wheel.25th Jun 1920Box 42 \ 4  Scan139
Sketches and notes for a suggested locking bolt for a Firestone spring ring.5th Jun 1920Box 42 \ 4  Scan140
Letter from Firestone discussing the potential manufacture of a special locking ring device for rims.16th Jun 1920Box 42 \ 4  Scan141
Letter to Mr. Dever Waters comparing the design and safety of the Stanwell split side ring with the Goodyear ring.16th Jun 1920Box 42 \ 4  Scan142
Letter from Pierce-Arrow Motor Car Company regarding wheel rim design, fractures, and associated manufacturing issues.9th Jun 1920Box 42 \ 4  Scan143
Letter from the Chief Engineer of Pierce-Arrow Motor Car Company regarding the weakness of wheel rims and the use of Firestone rims.9th Jun 1920Box 42 \ 4  Scan144
Comparison sketch of Firestone and Goodyear wheel rim sections with handwritten notes.9th Jun 1920Box 42 \ 4  Scan145
List of passenger cars using Firestone rims for the year 1920.1st Jan 1920Box 42 \ 4  Scan146
Whether to supply forgings for Michelin disc wheels to the U.S.A for experimental work.11th Jun 1920Box 42 \ 4  Scan147
The cessation of Michelin wheel forging production due to accidents with soft bead clincher tyres.25th May 1920Box 42 \ 4  Scan148
The demand for disc wheels over wire wheels and a request for sample hubs and American Michelin wheels for testing.25th May 1920Box 42 \ 4  Scan149
Acquisition and testing of Michelin disc wheels from America with demountable rims.23th Jun 1920Box 42 \ 4  Scan150
The cancellation of an order for Firestone rims following failures during high-speed road tests.25th Jun 1920Box 42 \ 4  Scan151
Comparing various wheel rims, with feedback from Mr. Crane and Mr. Fergusson on Firestone and Goodyear types.25th Jun 1920Box 42 \ 4  Scan152
Comparison of the safety features of tyre rim designs, specifically contrasting Firestone and Goodyear types.25th Jun 1920Box 42 \ 4  Scan153
Wheel and rim locking devices, comparing options from Dunlop, Rudge-Whitworth, and Firestone.25th Jun 1920Box 42 \ 4  Scan154
The quality and potential improvement of Firestone rims for wire wheels.25th Jun 1920Box 42 \ 4  Scan155
Fitting of Michelin Budd American wheels and a proposed visit from Michelin staff.7th Jan 1921Box 42 \ 4  Scan156
Letter to the Michelin Tyre Co. regarding the fitting of their American type wheels to an experimental car.7th Jan 1921Box 42 \ 4  Scan157
From 'R' outlining concerns about the design of wheels, rims, tyres, and body hinges on cars from Springfield.27th Jun 1923Box 42 \ 4  Scan158
Covering memo concerning Wire Wheel Spokes, forwarding an attached document from Springfield.10th Aug 1923Box 42 \ 4  Scan159
Letter discussing issues with Dunlop wire wheel spokes, comparing them against American-made spokes with material and stress test data.28th Jul 1925Box 42 \ 4  Scan160
Adoption of a new countersunk head wheel spoke over the existing Dunlop button-head spoke.11th Aug 1923Box 42 \ 4  Scan161
Modification to Rudge-Whitworth wheels and agreeing to a 10,000-mile test.29th Aug 1923Box 42 \ 4  Scan162
Cover memo regarding Flexilient Wheels, attaching a copy of another document and a pamphlet.3rd Mar 1924Box 42 \ 4  Scan163
Letter discussing the development and testing of Flexsilent wheels and similar rubberized plywood disc wheels.19th Feb 1924Box 42 \ 4  Scan164
Letter from Newport News Shipbuilding offering a new steel disc wheel with enclosed test reports.6th Feb 1924Box 42 \ 4  Scan165
Cover letter attaching correspondence from America regarding Flexsilient Wheels.11th Mar 1924Box 42 \ 4  Scan166
Follow-up letter regarding 'Flexilient Wheels', attaching further data from the Newport News Shipbuilding Company.28th Feb 1924Box 42 \ 4  Scan167
Letter concerning the standardization of American tires, detailing recent changes to the list of recommended sizes.8th Mar 1929Box 42 \ 4  Scan168
Wheel and tire specifications, including clearance, spoke count, and issues with drop center rims.22th Aug 1930Box 42 \ 4  Scan169
Tire and rim supply issues, the development of drop center rims, and competitor vehicle specifications.22th Aug 1930Box 42 \ 4  Scan170
Wheel and tire standardization, comparing American automotive trends with proposals for new equipment tests.22th Aug 1930Box 42 \ 4  Scan171
The use of American manufactured wood wheels and a request for specific rims and tyres.29th Sep 1919Box 42 \ 5  Scan001


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