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
Investigation into a failed shock damper casing and a comparison of cylinder wall thicknesses with production samples.10th Nov 1933Box 16 \ 5  Scan154
Introduction and standardisation of controllable shock dampers for the R.2. series chassis.14th Nov 1933Box 16 \ 5  Scan155
Test report for controlled dampers on chassis 22-EX.14th Nov 1933Box 16 \ 5  Scan156
Vehicle condition report detailing the performance and faults of various mechanical components.16th Nov 1933Box 16 \ 5  Scan157
Test report for controlled dampers on a 40/50 type chassis.16th Nov 1933Box 16 \ 5  Scan158
Vehicle condition report detailing issues with various components.17th Nov 1933Box 16 \ 5  Scan159
Change to stronger spring type connecting tubes for the Phantom II rear shock damper.17th Nov 1933Box 16 \ 5  Scan160
The testing and production approval of stronger springs for rear damper connecting tubes.17th Nov 1933Box 16 \ 5  Scan161
Instructing the Works to introduce controllable shock dampers on the first R-2 series chassis.17th Nov 1933Box 16 \ 5  Scan162
Plan to introduce controllable RR shock dampers on the R.2 series chassis.23th Nov 1933Box 16 \ 5  Scan163
Tests and settings instructions for governor control shock dampers from Mr. Brock's department.24th Nov 1933Box 16 \ 5  Scan164
Springing, damping, and swaying characteristics of the 22-Ex car.27th Nov 1933Box 16 \ 5  Scan165
Technical memo detailing the testing procedure for governor control shock dampers on a 40/50 HP model.29th Nov 1933Box 16 \ 5  Scan166
Test procedures and specifications for a damper and governor control unit, including a pressure to road speed table.29th Nov 1933Box 16 \ 5  Scan167
Instructions for erecting and testing a shock damper bellows control unit.29th Nov 1933Box 16 \ 5  Scan168
Blueprint for a solid HP valve for testing HP and L.P. chambers.29th Nov 1933Box 16 \ 5  Scan169
Confirming the 26-EX car has completed 10,000 miles using the production scheme for governor-controlled shock dampers.29th Nov 1933Box 16 \ 5  Scan170
Standardisation of parts for controllable shock dampers.20th Nov 1933Box 16 \ 5  Scan171
Modification to the Phantom II damper governor controls to avoid the brake pedal fouling the wiring system.20th Dec 1933Box 16 \ 5  Scan172
The final 10,000-mile road test and bench examination of controllable shock dampers for the 22-EX model.29th Dec 1933Box 16 \ 5  Scan173
Issues with pipe lines, oil loss, dampers, and various loose components.20th Dec 1933Box 16 \ 5  Scan174
The 10,000-mile test report of controllable shock dampers and their subsequent standardisation.2nd Jan 1934Box 16 \ 5  Scan175
Uncomfortable ride quality from the Phantom II Damper Control and proposed governor alterations.2nd Jan 1934Box 16 \ 5  Scan176
Development of damper control for the 22-EX model to improve riding comfort by reducing front axle load.3rd Jan 1934Box 16 \ 5  Scan177
The performance, testing, and proposed alterations for controllable shock dampers.1st Jan 1934Box 16 \ 5  Scan178
Trials and modifications for controllable shock dampers, recommending a reduced ball pin load on the front axle.12th Jan 1934Box 16 \ 5  Scan179
Two blueprints for a hydraulic shock damper with a controlled valve for the Phantom II chassis.22th Feb 1934Box 16 \ 5  Scan180
Modifications to the front and rear shock dampers for the Phantom II chassis.22th Feb 1934Box 16 \ 5  Scan181
Order for six 'Perfect' Oil Retainers for 40/50 HP Shock Dampers.23th Mar 1934Box 16 \ 5  Scan182
Knocking noise complaint concerning 40/50 shock dampers.17th Apr 1934Box 16 \ 5  Scan183
Knocking noise in the governor-controlled shock dampers for the 40/50 HP model.18th Apr 1934Box 16 \ 5  Scan184
Noise complaints and testing of 40/50 HP shock dampers.19th Apr 1934Box 16 \ 5  Scan185
Diagnosis and temporary repair of knocking dampers caused by air locks on two vehicles.23th Apr 1934Box 16 \ 5  Scan186
Technical letter discussing troubleshooting and testing of 40/50 Controllable Shock Dampers.24th Apr 1934Box 16 \ 5  Scan187
Depot sheet explaining the operation and testing procedure for the Ph.II Controllable Shock Dampers system.5th Jun 1934Box 16 \ 5  Scan188
Specifications for pressure control settings corresponding to road speed, governor valve regulation, and shock damper loads.5th Jun 1934Box 16 \ 5  Scan189
Procedure for bench testing dampers, including checking operation and maximum ball pin load.5th Jun 1934Box 16 \ 5  Scan190
Modifications to controllable dampers for 40/50 cars.13th Jun 1934Box 16 \ 5  Scan191
Modification to Ph.II Controllable Dampers by adding grooves to the pistons to improve ride quality.19th Jun 1934Box 16 \ 5  Scan192
Performance issues with Controllable Dampers and the plan to fit them to Trials cars for further evaluation.21th Jun 1934Box 16 \ 5  Scan193
Urgent request to build a set of Ph.ll shock dampers with specific modifications for London Trials Cars.23th Jun 1934Box 16 \ 5  Scan194
Requesting the scrapping of a previously issued memo sent in error, with a replacement attached.25th Jun 1934Box 16 \ 5  Scan195
Arranging a visit to demonstrate and test the Phantom II controllable damper system.15th Jun 1934Box 16 \ 5  Scan196
The successful modification and ongoing issues with Controllable Shock Dampers on 40/50 HP cars.28th Jun 1934Box 16 \ 5  Scan197
Modifications and issues with controllable shock dampers on 40/50 HP cars.28th Jun 1934Box 16 \ 5  Scan198
Seeking clarification on carrying out shock damper modifications on 40/50 HP chassis at coachbuilders.29th Jun 1934Box 16 \ 5  Scan199
Issues with dirt in controllable shock damper governor units and the proposed solutions.29th Jun 1934Box 16 \ 5  Scan200
Letter concerning the poor riding qualities of a customer's car, 2-PY, and the arrangement of new shock absorber parts.29th Jun 1934Box 16 \ 5  Scan201
Instruction regarding modifications to shock dampers on 40/50 cars before despatch.29th Jun 1934Box 16 \ 5  Scan202
Request for grooved pistons and modifications to the valve damping disc for controllable dampers on a 2-PY chassis.30th Jun 1934Box 16 \ 5  Scan203
Difficulty and modifications required for controllable dampers on a 2-PY car.30th Jun 1934Box 16 \ 5  Scan204
Information sheet detailing modifications to controllable shock dampers, specifically grooves in pistons and increased valve damping disc clearance.30th Jun 1934Box 16 \ 5  Scan205
The modification of shock dampers for the 40/50 HP chassis.2nd Jul 1934Box 16 \ 5  Scan206
Strategy for handling chassis at coachbuilders and depots regarding shock dampers.3rd Jul 1934Box 16 \ 5  Scan207
Recommendation to modify shock damper pistons on 140 cars that have left the Works.3rd Jul 1934Box 16 \ 5  Scan208
Order of copper piping for Ph.II shock damper tests.4th Jul 1934Box 16 \ 5  Scan209
Request to build a pair of Phantom II rear shock damper connecting tube links and unions for shock damper casings.4th Jul 1934Box 16 \ 5  Scan210
Contamination issues and suggested improvements for controllable shock dampers.4th Jul 1934Box 16 \ 5  Scan211
Fitting new pistons to shock dampers and proposed spring changes for chassis 2-PY.9th Jul 1934Box 16 \ 5  Scan212
Specification for the maximum pressure settings of the Shock Damper Governor Unit Safety Release Valve for various chassis.12th Jul 1934Box 16 \ 5  Scan213
Standardisation of controllable shock dampers, involving grooves in pistons and increased clearance for the valve damping disc.13th Jun 1934Box 16 \ 5  Scan214
Directive on parts standardisation, changing valve AV14V to OBV2 with no extra tool cost.12th Jun 1934Box 16 \ 5  Scan215
Standardisation of rear shock dampers with strengthened main cylinders, smaller feet, and increased diameter bolts.21th Aug 1934Box 16 \ 5  Scan216
Part standardisation proposal for rear brake drums with detachable liners, including cost estimates.18th Mar 1926Box 16 \ 5  Scan217
Request to build a modified Shock Damper Governor Unit for 28-EX to overcome issues with dirt.4th Jan 1935Box 16 \ 5  Scan218
Increase in the initial load for Ph.II shock dampers on Continental sprung cars.4th Jan 1935Box 16 \ 5  Scan219
Standardisation of parts to increase the initial load of shock dampers to 80 lbs for cars with continental road springs.8th Jan 1935Box 16 \ 5  Scan220
Requesting modification to shock damper levers for use with 10-inch initial deflection front road springs.12th Feb 1935Box 16 \ 5  Scan221
The permissible load on controllable shock dampers for Phantom II and Bentley chassis.26th Sep 1935Box 16 \ 5  Scan222
Instructions and advice for setting the initial shock damper loads on a Continental Phantom II.1st Oct 1935Box 16 \ 5  Scan223
The dispatch of 40/50 chassis without the standard oil syringe and arranging for their subsequent delivery.27th Jul 1923Box 16 \ 6  Scan001
Reduction of the vehicle tool kit and spares, arguing against making it smaller.17th Dec 1926Box 16 \ 6  Scan002
Potential reductions to the car's tool kit, comparing it to competitors.21th Jan 1927Box 16 \ 6  Scan003
Scheme for a tool box in the running board for car EAC. 7.21th Jan 1927Box 16 \ 6  Scan004
Design, sourcing of parts, and manufacturing of tool boxes for the EAC.7 car.1st Feb 1927Box 16 \ 6  Scan005
Proposed housing and position for the jack and pump.8th Mar 1927Box 16 \ 6  Scan006
Rejected proposal to use Staybrite for the protecting cover of a toolbox on the running board.11th Mar 1927Box 16 \ 6  Scan007
Design alterations and the importance of using existing parts to minimize tools and stock.13th Mar 1928Box 16 \ 6  Scan008
Modifications to the 'SS' front axle control and shock damper.19th Jun 1928Box 16 \ 6  Scan009
Improvements for Phantom and 'SS' models, focusing on the tool kit, side lamps, and screen wiper.17th Oct 1928Box 16 \ 6  Scan010
Post Office Telegram regarding a promised box without inside fittings.22th Nov 1928Box 16 \ 6  Scan011
The required blade sizes for a feeler gauge for the SS. unit.12th Aug 1928Box 16 \ 6  Scan012
The collection of wings and steps from Hooper's, and a new scheme for valances and toolboxes for EX-series cars.1st Dec 1928Box 16 \ 6  Scan013
Design and supply of toolboxes for various car models.8th Jan 1929Box 16 \ 6  Scan014
Reduction of the toolkit for the SS Phantom & 20 HP models.19th Apr 1929Box 16 \ 6  Scan015
Reduction of the toolkit for the Phantom & 20 HP models due to weight and storage space issues.18th Apr 1929Box 16 \ 6  Scan016
Examining the possibility of reducing and dividing the S.S. & Phantom tool kit.1st May 1929Box 16 \ 6  Scan017
Breakdown of the weights of tools in the kit for S.S. and Phantom models.1st May 1929Box 16 \ 6  Scan018
List of tools and spares rarely required on the road for the S.S. Phantom model.1st May 1929Box 16 \ 6  Scan019
Reduction of tool kits carried on the Phantom and 20 HP cars.1st May 1929Box 16 \ 6  Scan020
List of standard and proposed additional tools for a vehicle, with a request for review and suggestions.1st May 1929Box 16 \ 6  Scan021
Reduction of tools provided in the vehicle's standard kit, specifically for the Phantom model.1st May 1929Box 16 \ 6  Scan022
Additions to the standard car tool kit following a reduction.3rd May 1929Box 16 \ 6  Scan023
Requesting comments on the reduction of tool kits carried on cars.10th May 1929Box 16 \ 6  Scan024
The reduction of standard chassis tool kits and the requirements for a long-journey tool box.22th May 1929Box 16 \ 6  Scan025
Questioning the inclusion of both an oil syringe and a Lucas oil can in chassis tool kits.23th Dec 1929Box 16 \ 6  Scan026
Recommendation to include both a Lucas oiler and a syringe in the standard chassis tool kits.1st Mar 1930Box 16 \ 6  Scan027
Minutes of a conference detailing decisions on tool kits for 40/50 HP and 20/25 HP chassis.23th May 1930Box 16 \ 6  Scan028
Packing note listing the spares and tools supplied with a 40/50 HP Chassis.8th Jan 1930Box 16 \ 6  Scan029
Proposing alterations to the recommended list of tools and spares for both chassis tool kits.4th Jun 1930Box 16 \ 6  Scan030


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