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
Letter detailing car performance improvements and speed trial results at Brooklands after fitting a Bosch Magneto.30th Sep 1921Box 47 \ 1  Scan054
Letter from Geoffrey Summers discussing the car's racing potential and the need for engine modifications to compete with other manufacturers.11th Oct 1921Box 47 \ 1  Scan055
Modifications to increase the speed of chassis 39.TW for Mr. Geoffrey Summers, focusing on ignition, engine power, and aerodynamics.11th Oct 1921Box 47 \ 1  Scan056
Continued memorandum discussing high-speed modifications for a chassis, including engine compression, fuel mix, suspension, and wheels.11th Oct 1921Box 47 \ 1  Scan057
Letter outlining the policy against participating in races in response to an inquiry about chassis 39-TW for Mr. Geoffrey Summers.14th Oct 1921Box 47 \ 1  Scan058
The supplying and fitting of small fan pulleys on cars, specifically for the Duke of Alba's car No. 65.CW.15th Oct 1921Box 47 \ 1  Scan059
Chasing a reply regarding charges for Chassis 39-TW.18th Oct 1921Box 47 \ 1  Scan060
Letter from Madrid to London detailing client complaints about engines overheating and chassis springs bottoming out.5th Nov 1921Box 47 \ 1  Scan061
Proposed meeting in Derby to discuss a battery issue.22th Nov 1921Box 47 \ 1  Scan062
Copy of a customer letter praising car performance at Brooklands and the Isle of Man, particularly the Hartford shock absorbers.5th Jul 1922Box 47 \ 1  Scan063
Axle modifications for the Earl of Rocksavage's new chassis to meet performance expectations.28th Aug 1922Box 47 \ 1  Scan064
Mr. Taaffe's upcoming arrival in Derby with his car, chassis 34-KG.20th Nov 1922Box 47 \ 1  Scan065
Customer feedback letter regarding chassis 46-FW performance on a European tour, including issues with loose spokes and radiator shutters.28th May 1922Box 47 \ 1  Scan066
Persistent fault where grit gets wedged between the revolving brake drum and its sheet-metal guard.2nd Jun 1923Box 47 \ 1  Scan067
Continued memo suggesting a modification to the drums and shields of a car to match the 20 HP model.5th Jul 1923Box 47 \ 1  Scan068
The examination of Chassis No. 119-FW belonging to W.W. Worthington Esq.5th Jul 1923Box 47 \ 1  Scan069
Letter to W.W. Worthington Esq. regarding chassis 119-FW and arranging an inspection.4th Jul 1923Box 47 \ 1  Scan070
Customer letter detailing the excellent performance and low carbon buildup of their car, chassis 119-FW.3rd Jul 1923Box 47 \ 1  Scan071
Declining the use of an experimental car for an outsider, citing risks to sales and brand reputation.4th Sep 1923Box 47 \ 1  Scan072
Customer complaint from Sir Connop Guthrie about the performance of his 40/50 HP Cabriolet, Chassis No. 41-NK.31th Jan 1924Box 47 \ 1  Scan073
Underperformance of a customer's car and proposed remedies for an influential owner.29th May 1924Box 47 \ 1  Scan074
Springing complaint and investigation for two 40/50 HP vehicles.29th May 1924Box 47 \ 1  Scan075
Customer feedback and tests concerning a 'dither' issue, comparing the car's ride to a Buick and discussing potential solutions.29th May 1924Box 47 \ 1  Scan076
Test report detailing 'dither' trouble, body boom, ventilation, and vibration issues, proposing further experimental investigation.8th Sep 1921Box 47 \ 1  Scan077
Analysis of suspension 'dither' and bounce issues comparing different car bodies and springs.8th Sep 1921Box 47 \ 1  Scan078
Customer's persistent engine boiling issue with Chassis No. 74-PW.27th Jun 1924Box 47 \ 1  Scan079
Customer's complaint about boiling during pass climbing in Switzerland and recommended modifications.26th Jun 1924Box 47 \ 1  Scan080
Complaint letter from a customer regarding persistent engine boiling issues with their car, model 74-FW.20th Jun 1924Box 47 \ 1  Scan081
Cover note regarding an issue with rims coming off straight-sided wheels on a 40/50 HP car, chassis 66-LK.16th Aug 1924Box 47 \ 1  Scan082
Internal correspondence regarding a complaint about S/S rims coming off Chassis 66-LK for H.H. Abbas Hilmi.15th Aug 1924Box 47 \ 1  Scan083
Translated letter from Albert Schmidt regarding wheel failures on chassis 66-LK for H.H. Abbas Hilmi.12th Aug 1924Box 47 \ 1  Scan084
Wheel flange issue on chassis 66-LK, involving customer correspondence, a solution from Dunlop, and safety considerations of different tyre types.18th Aug 1924Box 47 \ 1  Scan085
Customer complaint about car troubles due to American conditions and petrol quality.1st Aug 1924Box 47 \ 1  Scan086
Visit to Grasse, France, to inspect Chassis 60.PK owned by Mr. Schley concerning performance in mountainous terrain.3rd Sep 1924Box 47 \ 1  Scan087
Engine problems like piston knock and boiling, and proposed solutions.8th Sep 1924Box 47 \ 1  Scan088
Customer's 40/50HP chassis boiling over on Birdlip hill.8th Sep 1924Box 47 \ 1  Scan089
Customer letter reporting an overheating issue on chassis No. 33-TG after a test drive up Crickley Hill.6th Sep 1924Box 47 \ 1  Scan090
Requesting urgent design and drawings for modifications to Chassis No.75-RM for Lady Meredith.24th Oct 1924Box 47 \ 1  Scan091
Technical assessment of chassis no. 49-AE regarding boiling issues and potential modifications.17th Oct 1924Box 47 \ 1  Scan092
Ongoing issues with Chassis GAK-65, including fumes, water boiling, and oil from the propeller shaft.22th Oct 1924Box 47 \ 1  Scan093
Cover note from CWB attaching a copy of a letter sent to Messrs. Paddon.29th Apr 1924Box 47 \ 1  Scan094
Letter regarding modifications to chassis GDK-46, including a special fan, louvred bonnet, and safety concerns about the fitted Michelin Comfort tyres.27th Nov 1924Box 47 \ 1  Scan095
Letter discussing experimental modifications to a car's axle and springs, and issues with steering shudder on the front wheels.23th Nov 1938Box 47 \ 1  Scan096
Chasing the completion and despatch of a Louvred Bonnet and special Fan for chassis GAK-65.9th Dec 1924Box 47 \ 1  Scan097
Effectiveness of Houdaille shock absorbers on chassis No. 91-HG.22th Jan 1925Box 47 \ 1  Scan098
Correspondence regarding a customer complaint about uncomfortable springing and the fitting of Houdaille shock absorbers on chassis 91-HG.19th Jan 1925Box 47 \ 1  Scan099
Customer feedback letter regarding the performance of Houdaille shock absorbers on chassis No. 91-HG.15th Jan 1925Box 47 \ 1  Scan100
Unresolved 'drive groan' issue on Chassis 68-AU and the ongoing efforts to fix it.1st Feb 1925Box 47 \ 1  Scan101
Internal noise issues with a specific car, the attempts to fix it, and the potential impact on the company's reputation.5th Feb 1925Box 47 \ 1  Scan102
Issues with noisy car bodies, potential solutions, and specific customer complaints.5th Feb 1925Box 47 \ 1  Scan103
Transmission noise issues in Chassis 68-AU and proposals for resolution.10th Feb 1925Box 47 \ 1  Scan104
Letter regarding a complaint of water in the oil for a 40/50 HP chassis (95-LK) in Holland.21th Feb 1925Box 47 \ 1  Scan105
Inspection report for a 40/50 HP car, owned by Van Berkel of Rotterdam, concerning a suspected water leak in the sump.14th Feb 1925Box 47 \ 1  Scan106
Conference report regarding the decision of whether to fit an old-type spring drive coupling to car model 68-AU.2nd Mar 1925Box 47 \ 1  Scan107
Technical note discussing the reliability of a fabric coupling.2nd Mar 1925Box 47 \ 1  Scan108
Calling a meeting to decide between fitting a fabric coupling or reusing the old spring drive coupling for chassis 68-AU.2nd Mar 1925Box 47 \ 1  Scan109
The fitting of spring couplings to two cars, 68-AU and 62-AU, due to testing delays and excessive noise complaints.3rd Mar 1925Box 47 \ 1  Scan110
Decisions on spring couplings for chassis 68-AU and 62-AU.3rd Mar 1925Box 47 \ 1  Scan111
Instructions regarding parts and modifications for Spring Drive Couplings on chassis 68-AU and 62-AU.1st Mar 1925Box 47 \ 1  Scan112
Modification to spring drive couplings on chassis 68-AU and 62-AU.6th Mar 1925Box 47 \ 1  Scan113
The performance of chassis 86-EE, discussing axle gearing, tyre pressures, wheel fittings, and standardisation of parts.9th Mar 1925Box 47 \ 1  Scan114
Trip report and fault analysis for a 40/50 R.R. car named Minchin after a journey in the south of France.3rd Mar 1925Box 47 \ 1  Scan115
Page suggesting the use of 7 inch semi-balloon tyres.12th Mar 1925Box 47 \ 1  Scan116
Confirming the completion of lubrication work on the spring coupling for chassis 68 AU.12th Mar 1925Box 47 \ 1  Scan117
Re-test report on car 62-AU - MOY concerning springing improvements and a transmission groan issue.23th Mar 1925Box 47 \ 1  Scan118
Test report on car 62-AU regarding a transmission groan and spring drive coupling.25th Mar 1925Box 47 \ 1  Scan119
Suggesting a comparative road test with an exhaust cutout to investigate overheating issues on Mr. Gliksten's car.4th Apr 1925Box 47 \ 1  Scan120
Suitability and availability of Toneline oil for Chassis 67-UE in France.29th Apr 1925Box 47 \ 1  Scan121
Internal correspondence regarding a faulty foot brake pedal on the 40/50 HP (Silver Ghost) model.6th May 1925Box 47 \ 1  Scan122
Steering and braking fault on chassis 21-EM which caused the car to go off the road.12th May 1925Box 47 \ 1  Scan123
Secret and urgent memo regarding an accident involving Chassis No. 21-EM during testing.13th May 1935Box 47 \ 1  Scan124
Letter regarding a serious braking issue on Mrs Goring's chassis causing it to turn unexpectedly.8th May 1925Box 47 \ 1  Scan125
Protest against the adoption of front wheel brakes, explaining a predicted failure mode for chassis 21-EM.13th May 1925Box 47 \ 1  Scan126
Accident in France, a driver's account, and the performance of four-wheel brakes.13th May 1925Box 47 \ 1  Scan127
Potential issue with chassis 21-EM belonging to Mrs. Goring.16th May 1925Box 47 \ 1  Scan128
Telegram from Briggs to Hives regarding the return of car 'Sixty Six L M Gliksten'.19th Nov 1923Box 47 \ 1  Scan129
Memo about sending an account and referencing a previously addressed wire.28th May 1925Box 47 \ 1  Scan130
Query regarding work carried out and associated costs for chassis 66-LM, which is returning to London.29th May 1925Box 47 \ 1  Scan131
Repairs for Major Colin Cooper's car, 85-AU, including addressing vibrations and an oil leak.6th Jun 1925Box 47 \ 1  Scan132
Investigating an overheating issue with Mr. Glixten's car.1st Jun 1925Box 47 \ 1  Scan133
Page two of an experimental report discussing car performance tests under varying temperature and weight conditions.4th Jun 1925Box 47 \ 1  Scan134
Troubleshooting a misfiring issue on Chassis 41-TM and considering a conversion to a pressure system.2nd Jul 1925Box 47 \ 1  Scan135
Speedometer accuracy and maximum speed tests for car number 37-AU conducted at Brooklands.25th Jul 1925Box 47 \ 1  Scan136
Vehicle performance issues including front wheel wobble, noisy tyres, and body roll.12th Dec 1924Box 47 \ 1  Scan137
Comparison of the frontal areas of different car bodies and the estimated effect on performance.14th Jul 1932Box 47 \ 1  Scan138
Customer issues reported by Lord Montagu concerning steering column vibration, autovac overheating, and ignition lever instructions.17th Aug 1925Box 47 \ 1  Scan139
Copy of a letter from a customer detailing three issues with a new car: steering column vibration, an overheating Autovac, and a query about the automatic ignition.15th Aug 1925Box 47 \ 1  Scan140
Internal memorandum addressing customer complaints from Lord Montagu about steering rigidity and the Autovac system.8th Aug 1925Box 47 \ 1  Scan141
Continuation page detailing the normal position and use of the ignition lever.27th Aug 1925Box 47 \ 1  Scan142
Sending 'top hats' from car 38-MC Patiala and noting the completely charred condition of the exhaust felts.27th Aug 1925Box 47 \ 1  Scan143
Mr. Sidney's 'New Phantom' chassis No. 54-MC and methods of overcoming overoiling.11th Sep 1925Box 47 \ 1  Scan144
Customer's feedback on oil consumption issues with a new Phantom Open Car.9th Sep 1925Box 47 \ 1  Scan145
Internal memorandum regarding over-oiling and battery charging issues on a customer's 'New Phantom' car, No. 54-MC.16th Sep 1925Box 47 \ 1  Scan146
'New Phantom' car, chassis 33-MC, belonging to Mr. Harrison of Birmingham.22th Sep 1925Box 47 \ 1  Scan147
Testing and standardisation of an alteration on Mr. Harrison's 'New Phantom' car, noting disappointing power loss.21th Sep 1925Box 47 \ 1  Scan148
Letter regarding a customer's complaint about a noisy exhaust on a 'New Phantom' car.18th Sep 1925Box 47 \ 1  Scan149
Serious over-oiling issue found in Car No. 11-RO belonging to Messrs. Nelson.24th Sep 1925Box 47 \ 1  Scan150
Customer complaint regarding unsatisfactory steering and the subsequent investigation and resolution.6th Oct 1925Box 47 \ 1  Scan151
Steering trouble and the fitting of front wheel brakes on chassis No. 88-HG.7th Oct 1925Box 47 \ 1  Scan152
Cover letter forwarding a customer's complaint about his new car for review and comment.10th Oct 1925Box 47 \ 1  Scan153


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