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
Trial of a new .825 lead steering worm and a 9 3/4' pendulum lever for 40/50 steerings.1st May 1928Box 17 \ 3  Scan251
Trials of a new .825 lead steering worm and a 9 3/4' pendulum lever for the 40/50 steering system.28th May 1928Box 17 \ 3  Scan252
The production timeline for .825 lead steering nuts, proposing the .940 conversion as a satisfactory alternative for the time being.9th May 1928Box 17 \ 3  Scan253
New design for a damped pendulum lever using laminated springs.9th May 1928Box 17 \ 3  Scan254
Standardisation report for a 9.5' pendulum lever with otherwise standard steering.24th Mar 1928Box 17 \ 3  Scan255
Test date and costs for fitting a new part to a specific chassis.9th Jun 1928Box 17 \ 3  Scan256
Side steering lever length and spring specifications for the 40/50 steering system.11th May 1928Box 17 \ 3  Scan257
Specification table for Phantom side steering tube ends.14th May 1928Box 17 \ 3  Scan258
Technical memorandum regarding changes and performance of the 40/50 HP steering system.14th May 1928Box 17 \ 3  Scan259
Improving steering control and preventing high-speed wobbles by adjusting ball pin travel.16th May 1928Box 17 \ 3  Scan260
Trial of 'D' type steering and suggestions for a proposed 'E' type steering for the Phantom G.2.B. series.16th May 1928Box 17 \ 3  Scan261
Specifications for rebuilding chassis 15-EX, including frame, radiator, and steering type.16th May 1928Box 17 \ 3  Scan262
The new design of a damped pendulum lever with leaf springs for 'SS' steering.7th May 1928Box 17 \ 3  Scan263
Sending schedule N.sch. 2605, detailing the design of a side steering tube for use with a damped pendulum lever.7th May 1928Box 17 \ 3  Scan264
Causes of 'joggling' at the steering wheel, attributing it to gyrostatic reaction and road shocks, and suggesting damping solutions.17th May 1928Box 17 \ 3  Scan265
Improvements and progress on the Phantom chassis, including damping, steering, and engine components.17th May 1928Box 17 \ 3  Scan266
The blueprint for a 40/50 HP side steering tube fitted on the 14-EX model.19th May 1928Box 17 \ 3  Scan267
Responding to a query about the 40/50 HP side steering tube fitted on 14-EX, confirming a blueprint is being sent.19th May 1928Box 17 \ 3  Scan268
The compromised steering design for the 14-EX car, defending it and listing other new features.22th May 1928Box 17 \ 3  Scan269
Instructions for fitting a .720 lead steering column in place of the existing .900 lead steering column on a 12-EX Chassis.24th May 1928Box 17 \ 3  Scan270
Criticisms and comparisons of various steering systems, including issues with high-speed wobble.25th May 1928Box 17 \ 3  Scan271
Comparison of steering performance and design factors between the 20 HP and 40/50 models.31th May 1928Box 17 \ 3  Scan272
Substitution of parts for a .720 lead steering assembly on a 12-EX chassis.31th May 1928Box 17 \ 3  Scan273
Proposed 'E' type steering modifications for the Phantom G.2.B. series.14th Jun 1928Box 17 \ 3  Scan274
Requesting confirmation on the support of a steering column with a standard cast dash.15th Jun 1928Box 17 \ 3  Scan275
Solutions to a steering problem, including spring and hydraulic damping.15th Jun 1928Box 17 \ 3  Scan276
Support of the steering column with a cast dash on cars 12-EX and 14-EX.8th Jun 1928Box 17 \ 3  Scan277
Trial and modifications required for 'E' steering on a G.2.B. series car.19th Jun 1928Box 17 \ 3  Scan278
The support of the steering column with a cast dash.21th Jun 1928Box 17 \ 3  Scan279
Standardisation sheet memo regarding the 10' Pendulum Lever for the Phantom, pending a 10,000-mile test report.21th Jun 1928Box 17 \ 3  Scan280
Agreeing to fit an 'E' type steering on vehicle 12-EX and alter the front seat.21th Jun 1928Box 17 \ 3  Scan281
Requesting instructions be issued for fitting the new 'E' steering to a 12-EX car.21th Jun 1928Box 17 \ 3  Scan282
Proposed adjustment and spring load for the front axle control ball joint.21th Jun 1928Box 17 \ 3  Scan283
Agreement to modify steering wheel clearance and dimension for the E. Steering G.2.B. Series.23th Jun 1928Box 17 \ 3  Scan284
Standardisation report for a 10 inch Pendulum Lever chassis part.17th May 1928Box 17 \ 3  Scan285
Chassis number, test date, and costs for fitting a new part.9th Jun 1928Box 17 \ 3  Scan286
Pedal and steering column fitting issues for the Phantom Chassis 'E'.27th Jun 1928Box 17 \ 3  Scan287
Proposal and design challenges for a larger diameter steering wheel.28th Jun 1928Box 17 \ 3  Scan288
Tests and improvements to overcome high speed wobbles in 40/50 HP steering.5th Jul 1928Box 17 \ 3  Scan289
Experimental vehicle testing, comparing frame stiffness, suspension damping, and ride comfort.5th Jul 1928Box 17 \ 3  Scan290
Tests concerning wheel balance, frame torsion, and steering issues like 'nibbling' and 'wandering'.5th Jul 1928Box 17 \ 3  Scan291
Graph showing frame twisting test results comparing standard, x-membered, and 4-point mounting configurations.5th Jul 1928Box 17 \ 3  Scan292
Blank document with a red ink stamp in the bottom right corner.5th Jul 1928Box 17 \ 3  Scan293
Blueprint of an X-shaped cross-member with engine mounting points for the 10-EX model.5th Jul 1928Box 17 \ 3  Scan294
Faded document with a date stamp and handwritten annotations.5th Jul 1928Box 17 \ 3  Scan295
Critiques and comparisons of a vehicle's engine, seating, and performance.9th Jul 1928Box 17 \ 3  Scan296
Modifications and testing of shock absorbers and springs.9th Jul 1928Box 17 \ 3  Scan297
Steering column dimensions for the Phantom 'E' type chassis.13th Jul 1928Box 17 \ 3  Scan298
Directive to halt work on 'B' steering for the Phantom G2B series and a note to reduce car height.13th Jul 1928Box 17 \ 3  Scan299
Confusion surrounding the cancellation of 'B' type steering for the Phantom G.2B series.16th Jul 1928Box 17 \ 3  Scan300
Awaiting instructions for modifications to car 12-EX in preparation for a 10,000 miles test.18th Jul 1928Box 17 \ 3  Scan301
Modifications and issues with the Phantom Chassis 'E' steering.19th Jul 1928Box 17 \ 3  Scan302
The timeline for fitting a higher radiator and dashboard to the 12-EX car.20th Jul 1928Box 17 \ 3  Scan303
Modifications to the 'E' type steering column and pedals for the Phantom chassis.21th Jul 1928Box 17 \ 3  Scan304
On modifications for the 16-EX sports car with a Barker body, detailing work on the steering column and ignition timing.26th Jul 1928Box 17 \ 3  Scan305
Improving the Phantom steering by increasing the wheel off-set to reduce high-speed wobbles.1st Mar 1928Box 17 \ 3  Scan306
Preliminary test results of front wheels with increased off-set to eliminate tramping and snatchy steering.23th Jul 1928Box 17 \ 3  Scan307
The unsatisfactory performance of the 900 Lead Larger Diameter 40/50 steering worm.6th Aug 1923Box 17 \ 3  Scan308
Longer steering box for an E.A.C.7 chassis to allow for greater angular movement.21th Aug 1928Box 17 \ 3  Scan309
Instructions for altering the steering box and supplying associated parts for an E.A.C.7 chassis.23th Aug 1928Box 17 \ 3  Scan310
The cancellation of 'B' type pedals and the modelling of 'D', 'E', and 'C' type pedals.28th Aug 1928Box 17 \ 3  Scan311
Driving seat positions and component specifications for 'C', 'D' and 'E' type steering.28th Aug 1928Box 17 \ 3  Scan312
Design and trial of new steering wheels for Phantom and India models, with an increased diameter.1st Sep 1928Box 17 \ 3  Scan313
Requesting an update on the status of the 'Phantom' 'E' Steering for the 12.EX chassis.7th Sep 1928Box 17 \ 3  Scan314
Fitting of Phantom 'E' steering and other jobs on the 12-EX car.10th Sep 1928Box 17 \ 3  Scan315
Modifications to steering plates and springs for testing on car 12-EX in France.21th Sep 1928Box 17 \ 3  Scan316
Requesting the modification of an attached spring drive piece for an experiment on a pendulum lever.26th Sep 1923Box 17 \ 3  Scan317
Blueprint for stops for a damped spring steering system.26th Sep 1928Box 17 \ 3  Scan318
Modification to a driving dog for damped spring steering.28th Sep 1928Box 17 \ 3  Scan319
Requesting an availability date for the Phantom 'E' Steering vehicle for sales inspection.5th Oct 1928Box 17 \ 3  Scan320
Request to arrange a trial for a damped pendulum lever on EAC. 7.10th Oct 1928Box 17 \ 3  Scan321
Design for a damped pendulum lever with leaf springs.18th May 1938Box 17 \ 3  Scan322
Method of central lubrication for the pendulum lever ball end.10th Oct 1928Box 17 \ 3  Scan323
Testing and movement of the 12-EX car in relation to 'E' Steering.11th Oct 1928Box 17 \ 3  Scan324
Standardisation of a semi-isolation scuttle scheme to prevent scuttle jellying and reduce steering column vibration.23th Mar 1928Box 17 \ 3  Scan325
Signed agreement table regarding the standardisation of coachwork features.20th Apr 1928Box 17 \ 3  Scan326
Fitting of a damped pendulum lever to vehicle EAC.7 and the associated required parts.17th Oct 1928Box 17 \ 3  Scan327
The urgent trial of a damped pendulum lever on car EAC.7.20th Oct 1928Box 17 \ 3  Scan328
Request for particulars of steering and pedals for experimental cars 21-EX, 22-EX, and 23-EX.12th Nov 1928Box 17 \ 3  Scan329
Arrangements to fit a damped pendulum lever N. sch. 2800 onto EAC.7.17th Oct 1928Box 17 \ 3  Scan330
Query regarding the availability of 'E' type steering on 12-EX for inspection in London.29th Oct 1928Box 17 \ 3  Scan331
Potential ergonomic and visibility improvements for the steering and pedal setup on chassis 12-MX.28th Nov 1928Box 17 \ 3  Scan332
Specifying the required steering column types for bodies 21EX, 22EX, and 23EXM.12th Nov 1928Box 17 \ 3  Scan333
Post Office telegram regarding steering column specifications for various models.13th Nov 1928Box 17 \ 3  Scan334
Relaying a telegram concerning 'SS' columns and special angle sports chassis.14th Nov 1928Box 17 \ 3  Scan335
Fitting and performance of shock absorbers and a damper pendulum lever on the 14-EX car.16th Nov 1928Box 17 \ 3  Scan336
Suggesting a new naming convention for steering column positions for ease of communication via telegraph.21th Nov 1928Box 17 \ 3  Scan337
Nomenclature for steering positions to avoid confusion.26th Nov 1928Box 17 \ 3  Scan338
Steering positions and body subframe requirements for 'S.S.' experimental chassis.1st Dec 1928Box 17 \ 3  Scan339
Instructing the dispatch of two subframes to coachbuilders Hooper's and Barker's for specific chassis.8th Dec 1928Box 17 \ 3  Scan340
Print for a Barker enclosed limousine body on a 'D' steering SS chassis.18th Dec 1928Box 17 \ 3  Scan341
Sending drawings for a Hooper Pullman landaulet 'C' column and seating accommodation.8th Dec 1928Box 17 \ 3  Scan342
Technical memorandum discussing issues with the 'SS' Brakes servo performance and design compared to the Phantom model.12th Dec 1928Box 17 \ 3  Scan343
Comparison of two servo designs ('40/50' and 'SS') with calculations for braking forces and efficiency.12th Dec 1928Box 17 \ 3  Scan344
Brake servo performance, modifications to cams and levers, and chassis weight savings for the SS model.12th Dec 1928Box 17 \ 3  Scan345
Page of calculations and analysis regarding servo braking efficiency for car 18-EX, comparing different cam angles.21th Dec 1928Box 17 \ 3  Scan346
Correction notice regarding steering positions for models 21-EX and 22-EX.21th Dec 1928Box 17 \ 3  Scan347
Modifications to the frame to resolve difficulties in withdrawing the 'SS' steering assembly.29th Dec 1928Box 17 \ 3  Scan348
Tests of an 'SS' engine mounting using rubber strips to reduce vibration.9th Jan 1929Box 17 \ 3  Scan349
Experiments with rubber isolated engine mountings to reduce engine roughness and vibrations.1st Jan 1929Box 17 \ 3  Scan350


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