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
Extract from a memo regarding Goshawk engine components and chassis gear.6th Aug 1920Box 77 \ 1  scan0067
Describing an electrically heated petrol vaporizer from a Franklin car for assisting engine starts in cold climates.10th May 1918Box 77 \ 1  scan0068
Instrument for cold-weather starting in vehicles and its potential application for aero engines.10th May 1918Box 77 \ 1  scan0069
Diagram showing a cross-section and external view of a mechanical valve component with handwritten annotations.27th Sep 1919Box 77 \ 1  scan0070
Instruction regarding the re-positioning of pipes and silencer on the American model chassis.27th Sep 1919Box 77 \ 1  scan0071
Letter from the American branch chasing a report on a Bintliff & Laing Electrical Primer Outfit sent for experimental purposes.17th Oct 1921Box 77 \ 1  scan0072
Decision to continue manufacturing right-hand drive chassis for America and to stop work on the proposed left-hand drive models.31th Oct 1919Box 77 \ 1  scan0073
Test report on a Bintliff & Laing electrical primer outfit, noting its destruction due to a voltage mismatch.17th Oct 1921Box 77 \ 1  scan0074
Letter from Rolls-Royce of America requesting the return of a B. & L. Primer supplied on a memorandum invoice.22th Dec 1921Box 77 \ 1  scan0075
The return of a B & L Priming Device to R.R. Springfield after testing.7th Jan 1922Box 77 \ 1  scan0076
Suggesting sending a 'Master Primer' to Mr. Hives for testing.26th Jul 1920Box 77 \ 1  scan0077
Letter from Rolls-Royce of America concerning the dispatch of a Master Primer to the Experimental Department in London.27th Oct 1920Box 77 \ 1  scan0078
Cover note attaching a copy of a letter from America, with handwritten instructions for action.10th Sep 1920Box 77 \ 1  scan0079
Letter from Rolls-Royce of America regarding sending a sample Master Primer to Derby for testing.23th Aug 1920Box 77 \ 1  scan0080
Advertising leaflet for the B. & L. Electric Gas Primer, detailing its benefits, price, and ordering information.23th Aug 1920Box 77 \ 1  scan0081
Advertisement for the B. & L. Electric Gas Primer for quick winter engine starting.23th Aug 1920Box 77 \ 1  scan0082
Installation and operation instructions for an engine primer and pump system.23th Aug 1920Box 77 \ 1  scan0083
Instruction leaflet for the Bintcliff & Laing Electro-Gas Primer, detailing its attachment and use.16th Nov 1920Box 77 \ 1  scan0084
Master Primer, forwarding copies of letters from America.16th Nov 1920Box 77 \ 1  scan0085
Letter from Rolls-Royce of America concerning the delayed dispatch of a Master Primer sample and its associated blueprint.27th Oct 1920Box 77 \ 1  scan0086
Letter from Rolls Royce of America to London regarding a Master Primer for the Experimental Department.27th Oct 1920Box 77 \ 1  scan0087
Test report on the Master Primer, detailing its starting procedure and highlighting difficulties with engine warm-up in cold weather.12th Jan 1921Box 77 \ 1  scan0088
Experiments with an auxiliary carburettor versus a heated coil primer, concluding with a recommendation against the primer.12th Jan 1921Box 77 \ 1  scan0089
Letter from a customer's secretary reporting a broken chassis fitting and twisted tail shaft on a 40/50 HP car.15th May 1911Box 77 \ 1  scan0090
Departmental memo regarding a works report on the propeller shaft of Mr. Kenneth M. Clark's car.26th May 1911Box 77 \ 1  scan0091
Departmental memo discussing propeller shaft twisting issues on cars driven on the continent.31th May 1911Box 77 \ 1  scan0092
Test data for the permanent twist on a 1600 series propeller shaft.20th Jun 1911Box 77 \ 1  scan0093
Calculations for torque on the propeller shaft during car braking tests.20th Jun 1911Box 77 \ 1  scan0094
Table of calculations for torque on the propeller shaft when stopping the car at various velocities.28th Jun 1911Box 77 \ 1  scan0095
Customer complaint about a propeller shaft, and the design philosophy of making it intentionally weak to protect other components.28th Jun 1911Box 77 \ 1  scan0096
The examination of a twisted propeller shaft from Mr. Kenneth M. Clarke's car.8th Mar 1911Box 77 \ 1  scan0097
The permanent twisting of propeller shafts due to foot brake application and an analysis of their torsional elastic limits.3rd Jul 1911Box 77 \ 1  scan0098
Stresses on shafts, worm axle designs, and a comparison with a Daimler axle.6th Jul 1911Box 77 \ 1  scan0099
Test report on a large rear axle tube showing slight permanent deflection under a 2-ton load.4th Jul 1911Box 77 \ 1  scan0100
Suggesting the propeller shaft tube be strengthened due to repeated instances of twisting.4th Jul 1911Box 77 \ 1  scan0101
Test report on a propeller shaft twisting under sudden braking application.7th Jul 1911Box 77 \ 1  scan0102
Stress calculations for the propeller shaft under various load and braking conditions.11th Jul 1911Box 77 \ 1  scan0103
Brake testing, propeller shaft durability, and the effects of tyre slip on bumpy roads.8th Mar 1911Box 77 \ 1  scan0104
Calculations for propeller shaft and footbrake torque requirements.8th Mar 1911Box 77 \ 1  scan0105
Experimental Propellor & Torque tube. Intermediate bearing fired in an otherwise standard torque tube.14th Dec 1911Box 77 \ 1  scan0106
Notes on the alignment and arrangement of the transmission, torque rod, and gearbox.5th Mar 1912Box 77 \ 1  scan0107
The breakage on Ferguson's Car 1825, concluding the cause was reckless driving over an exceptional bump.17th May 1912Box 77 \ 1  scan0108
Investigation into a central sphere failure on car 1825, attributing the cause to reckless driving.21th May 1912Box 77 \ 1  scan0109
Material testing and a suggestion for using a steel ball with white metal lining to avoid casting defects.24th Jun 1912Box 77 \ 1  scan0110
Broken bronze sphere from the torque tube of chassis 18/25, detailing the circumstances of the failure.24th Jun 1912Box 77 \ 1  scan0111
Page 2 of a document concerning work on three material test pieces.3rd Jul 1912Box 77 \ 1  scan0112
Departmental memo discussing the cause of a broken bronze sphere on chassis 1825.3rd Jul 1912Box 77 \ 1  scan0113
Bent and cracked ball end, requesting material for a bumping test.22th May 1912Box 77 \ 1  scan0114
Extract from Mr. Ionides' letter suggesting tests to isolate the source of a vibration.25th Feb 1914Box 77 \ 1  scan0115
Letter from Mr Ionides with four attached sketches regarding the temporary experimental facing of a torque tube.27th Mar 1914Box 77 \ 1  scan0116
Extract discussing weight reduction of the back axle and propeller shaft.18th Aug 1916Box 77 \ 1  scan0117
Design specifications for a 20 HP propeller shaft and torque tube, including details on tapering and couplings.22th Jul 1919Box 77 \ 1  scan0118
Continued memo requesting a revised design for a 20 HP propeller shaft and torque tube.22th Jul 1919Box 77 \ 1  scan0119
Design and material specifications for a torque tube, axle tubes, and driving shaft.22th Jul 1919Box 77 \ 1  scan0120
Proposal for a simplified shaft and coupling design using a plain tube with tapered, pinned ends.22th Jul 1919Box 77 \ 1  scan0121
Mr. Royce's criticisms and required modifications for the 20 HP propeller shaft and torque tube, scheme 107.1st Sep 1919Box 77 \ 1  scan0122
Instructions for the assembly and lubrication of propeller shaft, axle, and bearing components.1st Sep 1919Box 77 \ 1  scan0123
Design modifications for oil delivery to a universal joint and torque tube, including a sketch.1st Sep 1919Box 77 \ 1  scan0124
Inspection notes and design feedback on 20 HP chassis components, including axles, bearings, and gearbox.18th May 1920Box 77 \ 1  scan0125
Installation of a new, larger propeller shaft for the 'Goshawk' model.31th Jan 1922Box 77 \ 1  scan0126
Three potential causes for a collapsed propeller shaft within a torque tube on the Goshawk I.14th Jan 1921Box 77 \ 1  scan0127
Component design failure and suggestions for improvement.14th Jan 1921Box 77 \ 1  scan0128
Specifications for a small R.R. chassis, detailing the three-speed gearbox, back axle, and brakes.17th Nov 1920Box 77 \ 1  scan0129
Blueprint for a propeller shaft oil retaining arrangement, suggesting its application in a new small car design.22th Nov 1920Box 77 \ 1  scan0130
Outlining proposals for the 'Kite' chassis propeller shaft and universal joints.15th Dec 1920Box 77 \ 1  scan0131
Design modifications for various vehicle components, including joints, gearboxes, and axles.15th Dec 1920Box 77 \ 1  scan0132
Continued memorandum discussing design modifications for driving pillars, joints, and a propeller shaft.15th Dec 1920Box 77 \ 1  scan0133
'GOS AWK II' universal joint and a new propeller shaft specification.22th Jan 1921Box 77 \ 1  scan0134
Modifications and specifications for the 'Goshawk II' propeller shaft and couplings.14th Apr 1921Box 77 \ 1  scan0135
Instructing to stop work on the 'Goshawk' II propeller shaft universal coupling due to a new design.4th Apr 1921Box 77 \ 1  scan0136
Release of blueprints for the Goshawk 11 Rear Axle Centre Gear Box and instructions for the planet pinion.25th Apr 1921Box 77 \ 1  scan0137
Oil leak from the Goshawk II propeller shaft's rear bearing covers, concluding the cause is a vacuum effect.7th Sep 1921Box 77 \ 1  scan0138
Proposed modification to the Goshawk 11 propeller shaft and its negative impact on the oiling system.7th Sep 1921Box 77 \ 1  scan0139
Clearance issues for the lubricator on the rear propeller shaft joint of a 20-HP car.12th Apr 1923Box 77 \ 1  scan0140
Query regarding an issue with oil being flung from the propeller shaft on Goshawk models, staining the carpets.30th May 1923Box 77 \ 1  scan0141
Oil leak from the front and rear ends of the propeller shaft on 20 HP cars.1st Jun 1923Box 77 \ 1  scan0142
Oil leaks from the propeller shaft on the 20 HP model, which is damaging interior carpets.29th May 1923Box 77 \ 1  scan0143
Oil being flung from the Goshawk II propeller shaft's universal joint and a new lubricator.1st Jun 1923Box 77 \ 1  scan0144
Extract from the Coachbuilding Sub-Committee minutes regarding a new lubricator design for the 20 HP model.2nd Jun 1924Box 77 \ 1  scan0145
Modification to the 20 HP propeller shaft lubricator position causing it to foul the battery box.3rd Jun 1924Box 77 \ 1  scan0146
Issue with the 20 HP propeller shaft lubricator fouling the battery box and the urgent need for a solution.6th Jun 1924Box 77 \ 1  scan0147
History of proposals and modifications for the lubricator on the rear universal joint.20th Jun 1924Box 77 \ 1  scan0148
Ongoing oil leak issue from the propeller and axle joints on the Goshawk 11.1st Jul 1924Box 77 \ 1  scan0149
Testing rig for the propeller shaft thrust race on a 40/50 chassis, including a request for blueprints.1st Sep 1921Box 77 \ 1  scan0150
Proposals for lightening the propeller shaft and thrust bearing on the Phantom model.8th Oct 1927Box 77 \ 1  scan0151
Extract detailing modifications to the oil pump for the American Model.27th Sep 1919Box 77 \ 1  scan0152
Policy decision regarding the manufacture of chassis for the American market.31th Oct 1919Box 77 \ 1  scan0153
Letter regarding modifications to oil pumps to achieve quieter operation.7th Feb 1928Box 77 \ 1  scan0154
Test report on 12 experimental grooved oil pumps, detailing noise levels and remedies when fitted to various chassis.1st Feb 1928Box 77 \ 1  scan0155
Letter detailing issues and proposed modifications for an oil pump drive system, referencing specific part numbers.25th May 1929Box 77 \ 1  scan0156
Letter from the Chief Engineer of the Chassis Division comparing wormwheel and drive designs between English and American cars.27th Aug 1919Box 77 \ 1  scan0157
Revised, simpler design for the 20 HP engine's oil pump drive.27th Aug 1919Box 77 \ 1  scan0158
Drawing No. LeC.1132 for the 20 HP oil filter.1st Sep 1919Box 77 \ 1  scan0159
Sending schemes for the 20 HP Engine, including crankcase, oil pump drive, and connections.12th Sep 1919Box 77 \ 1  scan0160
Listing the parts fitted to a 'Goshawk' engine for testing.1st Sep 1920Box 77 \ 1  scan0161
Investigation into the cause of noise on the Goshawk engine oil pump and proposed modifications.28th Sep 1920Box 77 \ 1  scan0162
Extract from a memo discussing design specifications for a small chassis.17th Nov 1920Box 77 \ 1  scan0163
Drawings for the COSHAWK 11 oil pump, sump, and filter.5th Mar 1921Box 77 \ 1  scan0164
Modifications to the 'Goshawk II' oil piping and oil pump relief valve system.1st Mar 1921Box 77 \ 1  scan0165
Alteration of the Goshawk 11+ oil pump casing from aluminium to gunmetal.22th Sep 1921Box 77 \ 1  scan0166


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