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
Sending an experimental friction device for the Phantom II steering wheel.19th May 1932Box 17 \ 4  Scan027
Potential improvements to car intake/exhaust silencers and steering systems.14th Apr 1932Box 17 \ 4  Scan028
Improvements to the steering mechanism by adding fixed friction and comparing two designs.20th May 1932Box 17 \ 4  Scan029
Combination of parts for the steering system, focusing on friction, damping, and design responsibility.30th May 1932Box 17 \ 4  Scan030
Steering improvements, the shimmy shackle, axle arrangements, and comparisons to American car designs.7th Jun 1932Box 17 \ 4  Scan031
Typed report on steering system design, discussing friction, ratios, and high-speed stability issues.7th Jun 1932Box 17 \ 4  Scan032
Steering system issues, including friction, self-centering, and comparisons with American designs.4th Jul 1932Box 17 \ 4  Scan033
Tests on frame jellying and potential steering improvements for the Phantom II chassis.7th Jun 1932Box 17 \ 4  Scan034
Poor steering of the Phantom II and proposing to acquire a Cadillac steering system for comparison.21th Jun 1932Box 17 \ 4  Scan035
Outlining proposals for the redesign of steering column controls for R.R. and Bentley cars.14th Jul 1932Box 17 \ 4  Scan036
Usability and layout of controls on the steering column for the Bensport and Peregrine models.16th Jul 1932Box 17 \ 4  Scan037
Controls on the steering column, specifically the mixture control for the Bensport model and the lack of a foot dimming switch.19th Jul 1932Box 17 \ 4  Scan038
Design and placement of controls on the steering column for various car models.15th Jul 1972Box 17 \ 4  Scan039
Confirming the decision to retain the foot-operated dipping switch on the Phantom II car.29th Jul 1932Box 17 \ 4  Scan040
Confirming an agreement on modified controls for the steering column for both RR and Bentley cars.11th Aug 1932Box 17 \ 4  Scan041
Preliminary tests of a friction scheme for a steering column, noting a point for modification.17th Aug 1932Box 17 \ 4  Scan042
Graph charting the efficiency of Marles Weller steering for the Phantom II model before and after a bumper test.31th Jan 1933Box 17 \ 4  Scan043
Page with a handwritten reference number and a company date stamp.8th Feb 1938Box 17 \ 4  Scan044
Recommendation to standardize shortened steering column top control levers for the Phantom II.22th Feb 1933Box 17 \ 4  Scan045
Investigation into applying the Marles Weller principle to the Phantom II steering box.24th Feb 1933Box 17 \ 4  Scan046
The design and standardisation of special steering column controls for the Phantom II chassis 64-MY and 62-MY.23th Feb 1935Box 17 \ 4  Scan047
The decision not to alter the current design of shortened steering column-top control levers.27th Feb 1933Box 17 \ 4  Scan048
Results of a 50-hour test on a Marles steering gear fitted to a Phantom II chassis.28th Feb 1933Box 17 \ 4  Scan049
Efficiency comparison between a P.II. type steering worm and nut and a Marles-Weller type steering system.16th May 1933Box 17 \ 4  Scan050
Comparing Marles and Marles Weller steering gears, providing reasons against adopting the former.17th Jun 1933Box 17 \ 4  Scan051
Suggested experiment to modify the Phantom II steering nuts to improve performance.28th Jun 1933Box 17 \ 4  Scan052
Experiment on the Phantom II steering gear using old type .940' lead steering gear.12th Jul 1933Box 17 \ 4  Scan053
Parts for a Phantom II steering column and box, for production and fitting on an experimental chassis.28th Jul 1933Box 17 \ 4  Scan054
Parts for the Phantom II chassis steering column and box.3rd Aug 1933Box 17 \ 4  Scan055
Continued list of required stud or existing parts for section 705D.4th Mar 1933Box 17 \ 4  Scan056
Continued list of standard or existing required parts for section 705.11th Mar 1933Box 17 \ 4  Scan057
List of standard or existing parts required for the steering assembly, section D 50.3rd Aug 1933Box 17 \ 4  Scan058
Experiments and modifications to improve the Phantom II steering system.11th Sep 1933Box 17 \ 4  Scan059
Request for a report on steering experiments concerning a steering nut and a lead worm.17th Nov 1933Box 17 \ 4  Scan060
Steering experiments, including the decision to use independent front wheel springing on car 27-EX and fitting new parts to car 22-EX.20th Nov 1933Box 17 \ 4  Scan061
Comparison of efficiency between steering nuts with .940 lead and the standard .720 lead.24th Nov 1933Box 17 \ 4  Scan062
Data sheet on steering frictions, showing load applied at the rim of the steering wheel for models 22-EX and 27-EX.1st Dec 1933Box 17 \ 4  Scan063
Results of further tests carried out on the .940 lead steering nut F.73600 and worm F.73600-1.6th Dec 1933Box 17 \ 4  Scan064
Confirming the efficiency figures for a .940 lead worm and nut.6th Dec 1933Box 17 \ 4  Scan065
Parking efficiency figures for different steering nut and worm leads.7th Dec 1933Box 17 \ 4  Scan066
Test results of .720 and .940 lead Steering Worms.15th Dec 1933Box 17 \ 4  Scan067
Comparative test report on the efficiency of various worm gears under different loads.11th Jun 1934Box 17 \ 4  Scan068
Analysis of steering performance with controllable dampers and a comparison of steering boxes for 40/50 and 20/25 models.11th Jun 1934Box 17 \ 4  Scan069
New procedure for using experimental fitting and test record cards.15th Jul 1937Box 17 \ 4  Scan070
The mechanical efficiency of the La Salle steering box under static conditions.11th Jun 1934Box 17 \ 4  Scan071
From Wor. to Hs. requesting views on an attached document regarding 128-PY and Gustav Wyns.3rd Sep 1934Box 17 \ 4  Scan072
Customer issue with car 128-PY (Gustav Wyns) and potential investigation.30th Aug 1934Box 17 \ 4  Scan073
Complaint case regarding a customer's steering issues, described as 'shimmy' or high-speed wobble.30th Aug 1934Box 17 \ 4  Scan074
Customer's experience with vehicle 'shimmy', their driving habits, and observations on market competition.30th Aug 1934Box 17 \ 4  Scan075
Investigations into car performance, specifically a 40/50 car and a Bentley on Belgian roads.30th Aug 1934Box 17 \ 4  Scan076
Complaint case regarding high-speed steering unsteadiness on car 128-PY owned by Gustav Wyns.30th Aug 1934Box 17 \ 4  Scan077
Customer's feedback on vehicle performance, driving habits, and suggestions for experimental modifications.11th Sep 1934Box 17 \ 4  Scan078
Follow-up memo from 'Wor.' requesting views on a matter concerning Gustav Wyns.11th Sep 1934Box 17 \ 4  Scan079
Methods for improving the steering on a Phantom, chassis 128-PY, for customer Gustav Wyns.17th Sep 1934Box 17 \ 4  Scan080
Query regarding sending a mechanic to try out parts on Gustav Wyns' car, chassis number 128-PY.24th Sep 1934Box 17 \ 4  Scan081
Telegram received by telephone regarding the welding of silencer parts and travel difficulties.27th Sep 1934Box 17 \ 4  Scan082
Telegram inquiry regarding the sending of men's wages and the requirement for return vouchers.10th May 1933Box 17 \ 4  Scan083
Steering improvements and testing for Chassis 128-PY for Mr. Gustav Wyns.25th Sep 1934Box 17 \ 4  Scan084
Instruction letter regarding a customer complaint in Belgium, car movements, and testing of new parts on a Bentley.25th Sep 1934Box 17 \ 4  Scan085
Cover note for a report regarding a complaint from Mr. Gustav Wyns about a 40/50 128-PY.12th Oct 1934Box 17 \ 4  Scan086
Investigation into a customer complaint from Gustav Wyns in Brussels regarding steering, braking, and other issues.9th Oct 1934Box 17 \ 4  Scan087
Issues with tyre wear, instrument breakage, and mechanical noise during vehicle testing.9th Oct 1934Box 17 \ 4  Scan088
Customer's car performance on very bad roads and a comparison to Minerva cars.18th Oct 1934Box 17 \ 4  Scan089
Customer's complaints about steering issues on a Phantom model compared to his Minerva.22th Oct 1934Box 17 \ 4  Scan090
Drafting of a letter in response to a customer complaint.2nd Nov 1934Box 17 \ 4  Scan091
Letter to a customer regarding steering problems at high speed on chassis 128-PY due to Belgian road conditions.2nd Nov 1934Box 17 \ 4  Scan092
Steering, brakes, tire wear and instruments in relation to road conditions in Belgium and France.2nd Nov 1934Box 17 \ 4  Scan093
Letter expressing regret for being unable to suggest car alterations for the exceptional road conditions in Belgium.6th Nov 1934Box 17 \ 4  Scan094
Response regarding the behaviour of chassis 128-PY on rough roads, mentioning the upcoming Spectre model.6th Nov 1934Box 17 \ 4  Scan095
Experimental department report on Spectre Steering.10th Dec 1934Box 17 \ 4  Scan096
Steering tests for the 'Spectre' model, comparing its performance with a Cadillac and analysing the impact of different steering boxes, suspension, and tyre setups.10th Dec 1934Box 17 \ 4  Scan097
Tests and modifications to a vehicle's suspension and steering geometry to correct oversteer and other handling issues.10th Dec 1934Box 17 \ 4  Scan098
Steering tests for car 27-EX, fitted with parallel motion independent front suspension, to diagnose high speed wobble.10th Dec 1934Box 17 \ 4  Scan099
Report comparing steering wheel turns over a 12-mile run for different steering tube configurations.10th Dec 1934Box 17 \ 4  Scan100
Test report on Independent Front Wheel Suspension (I.F.W.S.) steering performance for various chassis configurations.11th Dec 1934Box 17 \ 4  Scan101
Blank document stamped by the Print Room in Derby.11th Dec 1934Box 17 \ 4  Scan102
Tabular comparison of steering geometry measurements for a Spectre car under roll conditions, with both original steering and short bottom links.10th Dec 1934Box 17 \ 4  Scan103
Blank page stamped by the Print Room in Derby.10th Dec 1934Box 17 \ 4  Scan104
Adaptation of a Spectre Marles Type steering box to a Phantom chassis.20th Feb 1935Box 17 \ 4  Scan105
Scheme for fitting a Spectre type Marles steering system into a Phantom chassis.21th Feb 1930Box 17 \ 4  Scan106
Defects and potential improvements to a petrol gauge, including washer materials and dial design.1st Jul 1926Box 17 \ 5  Scan001
Proposal to modify the petrol tank filter fitting for easier withdrawal on experimental cars.8th Jan 1927Box 17 \ 5  Scan002
Design modifications to the luggage carriers for the Phantom model.24th May 1927Box 17 \ 5  Scan003
Expressing disappointment with the 'SS' rear end, petrol tank, and wheel carrier design, requesting a simpler scheme.7th Apr 1928Box 17 \ 5  Scan004
Modifications to the rear end of the 'SS' chassis.17th May 1928Box 17 \ 5  Scan005
The incorrect positioning of the Telegage and filter on a 12-EX tank.21th Sep 1928Box 17 \ 5  Scan006
The repositioning of a K-S petrol gauge within the tank of a 10-EX vehicle.1st Sep 1928Box 17 \ 5  Scan007
Filling the petrol tanks of show cars with water for display purposes.28th Sep 1928Box 17 \ 5  Scan008
Requesting the completion of an 'SS' tank to allow for petrol gauge calibration and fitting.1st Oct 1928Box 17 \ 5  Scan009
The despatch of a petrol tank and Telegage instrument to Messrs. H.M. Hobson Ltd. for investigation.19th Nov 1928Box 17 \ 5  Scan010
Requesting an order for K-S petrol gauges from Messrs. H.M. Hobson for six SS chassis.23th Nov 1928Box 17 \ 5  Scan011
The supply and payment for a K-S petrol gauge.7th Dec 1928Box 17 \ 5  Scan012
Fouling issues and proposed modifications for mounting a Hooper Sedanca body on a 19-EX chassis.11th Dec 1928Box 17 \ 5  Scan013
Difficulties with the 'SS' reserve petrol supply and the practicality of the 2-level tap.24th Jan 1929Box 17 \ 5  Scan014
Recommendation to remove the reserve fuel system due to the advent of dashboard petrol gauges.30th Jan 1929Box 17 \ 5  Scan015
Simplification of the petrol supply and reserve system.30th Jan 1929Box 17 \ 5  Scan016
Results of a vacuum pump test with low fuel levels.31th Jan 1929Box 17 \ 5  Scan017
The design of a single petrol tank filter for different car bodies and its application to the 20 HP model.2nd Feb 1929Box 17 \ 5  Scan018
Approval note for chassis modifications regarding trunk fixing, petrol tank support, and a large petrol filter.18th Feb 1929Box 17 \ 5  Scan019
The standardisation of K.S. Telegage gauges for the S.S. and 20 HP models, detailing supplier interactions and installation requirements.27th Mar 1929Box 17 \ 5  Scan020


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