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).
Rolls-Royce Experimental Archives                
Choose Archive


Browsing Records        Page 497 of 2367        Sort by   Box   Date   Description

Filter      from        to             identifier   [all]
DescriptionDateIdentifier
Investigation into starter motor slipping due to worn teeth, poor cork discs, and excess oil, detailing solutions.24th Jun 1927Box 40 \ 5  Scan181
List of new springs with part numbers incorporated into a unit.24th Jun 1927Box 40 \ 5  Scan182
Blueprint illustrating four sketches of a flywheel engagement mechanism, detailing potential spring and engagement failures.23th Sep 1927Box 40 \ 5  Scan183
Blank document page with a red date stamp in the bottom right corner.23th Sep 1927Box 40 \ 5  Scan184
Blueprint for the addition of oil throwing grooves to an operating bush for a 20HP starter.26th Sep 1927Box 40 \ 5  Scan185
Sticking issues and potential improvements for a 20 HP starter mechanism.29th Jun 1927Box 40 \ 5  Scan186
Technical memorandum suggesting alterations to the 20 HP Bijur starter to improve performance.9th Jul 1927Box 40 \ 5  Scan187
Suggestions for modifications to the 20 HP Improved Bijur starter for improved reliability and standardisation.12th Jul 1927Box 40 \ 5  Scan188
Second modification for future work on the 20 HP Bijur clutch system.14th Jul 1927Box 40 \ 5  Scan189
Improvements to the 20 HP starter, including new parts and production updates.14th Jul 1927Box 40 \ 5  Scan190
Proposed modifications and trial schemes for the 20HP starter pinion.16th Jul 1927Box 40 \ 5  Scan191
On the two-stage improvements for the 20 HP starter, comparing modifications to the current Bijur system versus a new R-R scheme.7th Sep 1927Box 40 \ 5  Scan192
Internal memorandum discussing the production status and testing of a 20 HP starter motor and its components.29th Sep 1927Box 40 \ 5  Scan193
Investigation into a slipping trouble on the 20 HP starter motor, caused by a worn cork washer.29th Sep 1927Box 40 \ 5  Scan194
Investigation report into failures of the 20 HP starter motor, detailing causes and remedies.24th Jun 1927Box 40 \ 5  Scan195
Analysis of starter unit pinion engagement, detailing spring modifications and a solution for clutch slipping due to excess oil.1st Nov 1927Box 40 \ 5  Scan196
Investigation into improved 20 HP starter stops to prevent sticking, proposing to standardise the circumferential teeth type.1st Nov 1927Box 40 \ 5  Scan197
Investigation into increased initial friction in the 20 HP starter pinion unit.27th Nov 1927Box 40 \ 5  Scan198
Recommendation to modify the 20 HP starter motor design by incorporating circumferential teeth for the stop.21th Nov 1927Box 40 \ 5  Scan199
Standardisation of a modified 20 HP Starter Drive to improve reliability.21th Nov 1927Box 40 \ 5  Scan200
Form for the standardization of chassis parts, specifically the CR. Brake Drum.9th Apr 1928Box 40 \ 5  Scan201
Recommending the deletion of a lubricating scheme for the 20 HP Multiple Clutch Starter Motor.21th Mar 1928Box 40 \ 5  Scan202
Starter motor slippage on a 25 HP engine, recommending the main spring be made stronger.3rd Dec 1930Box 40 \ 5  Scan203
Spring replacement for the 25 HP starter motor to increase load before slipping.4th Dec 1930Box 40 \ 5  Scan204
Complaints of starter motor slipping on the 25 HP model and the proposed fix of fitting a stronger spring.9th Dec 1930Box 40 \ 5  Scan205
Request to fit a new friction clutch spring to a 20/25 HP starter motor.11th Dec 1930Box 40 \ 5  Scan206
Extract from a report on chassis 18-GIV at 6,000 miles regarding a starter motor issue.18th Dec 1930Box 40 \ 5  Scan207
Test results for a 20/25 starter motor drive fitted with a stronger spring to prevent slipping.22th Jan 1931Box 40 \ 5  Scan208
Extract from a 10,000-mile report on vehicle 18-GIV concerning the starter motor.30th Jan 1931Box 40 \ 5  Scan209
Starter motor for Chassis GLR.59, noting a spring issue and its subsequent return.9th Feb 1931Box 40 \ 5  Scan210
Starter motor and drive options for the 'Japan 3' model, comparing different systems and gear ratios.3rd Mar 1931Box 40 \ 5  Scan211
The unsuitability of a foot-operated starter and the evaluation of alternative starter systems.3rd Mar 1931Box 40 \ 5  Scan212
Specification for testing and inspecting the 20/25 starter motor Bijur Bendix drive.17th Mar 1931Box 40 \ 5  Scan213
Instructing the works to make four units of an Exhaust Port Connection based on an enclosed blueprint for contract experiments.21th Nov 1921Box 40 \ 6  Scan001
Blueprints for 'Condor' engine twin induction pipes, intended to be coupled with an 'Eagle' carburetter.12th Dec 1921Box 40 \ 6  Scan002
Blueprints for an experimental induction pipe for the Series 1 'Condor' engine.4th Apr 1922Box 40 \ 6  Scan003
Petrol consumption data for a Condor engine, detailing performance with induction pipes type 1.A. and a throttle curve.9th Sep 1922Box 40 \ 6  Scan004
Report investigating the potential causes of burning exhaust valves on the Condor engine.9th Sep 1922Box 40 \ 6  Scan005
Troubles and proposed modifications for the Condor Series 111 carburetter and induction pipe fixing.28th Mar 1924Box 40 \ 6  Scan006
The fitting of special planet pinion bearings to an 'Eagle' Epicyclic Gear from Handley Page.1st Oct 1921Box 40 \ 6  Scan007
Requesting an attachment for a tensile test machine be made from blueprints for gear tooth tests.1st Dec 1921Box 40 \ 6  Scan008
Request for a blueprint and parts for a rig to test gear wheel teeth on the 'Eagle' engine.23th Dec 1921Box 40 \ 6  Scan009
The 'Goshawk' II Bendix Drive, detailing associated drawings and sourcing for a specific ball bearing.1st Jul 1921Box 40 \ 6  Scan010
The design and required drawings for the 'Goshawk' II starter motor Bendix drive.16th Sep 1921Box 40 \ 6  Scan011
Issues with induction roar and testing of a Bendix Pinion starter motor on a Goshawk 11 engine.14th Oct 1921Box 40 \ 6  Scan012
Difficulties with a Lucas Starter Motor's Bendix Pinion not disengaging on a Goshawk 11 engine.10th Oct 1921Box 40 \ 6  Scan013
Issues with the Bendix Pinion for the Goshawk 11 engine, specifically thread angle and gear noise.8th Oct 1921Box 40 \ 6  Scan014
Superiority of American workmanship in cutting quiet gears compared to English methods.18th Oct 1921Box 40 \ 6  Scan015
The thread specification for a Bendix Pinion.27th Oct 1921Box 40 \ 6  Scan016
Design of the Bendix Pinion, comparing it with the version fitted to the Marmon Car.28th Oct 1921Box 40 \ 6  Scan017
Design issues and modifications for a Bendix pinion.5th Dec 1921Box 40 \ 6  Scan018
Responding to a telegram about a Bijur Bendix model for the Goshawk 11 Bendix Drive.1st Jan 1921Box 40 \ 6  Scan019
Bendix Drive, noting its tendency to spoil flywheel teeth and preferring the Bijur modification.22th Dec 1921Box 40 \ 6  Scan020
Short memo regarding a missing C. A. V. Bendix Pinion specimen.22th Dec 1921Box 40 \ 6  Scan021
Modifications for the Goshawk II Bendix starter gear, referencing drawing No. LeC.1507.31th Dec 1921Box 40 \ 6  Scan022
Parts required for a 'Goshawk' 11 Bendix Drive for a starter motor, with modification instructions.1st Jan 1922Box 40 \ 6  Scan023
Drawing No. LeC.152C showing an improved Bendix plunger scheme for the Goshawk II.21th Jan 1922Box 40 \ 6  Scan024
Engine starting difficulties in cold weather, potential failures related to the gearbox, and design alterations.2nd Feb 1922Box 40 \ 6  Scan025
Analysis of engine starting issues related to clutch, battery, and gear drive systems.2nd Feb 1922Box 40 \ 6  Scan026
Discussion of engine characteristics, starting issues, starter motor failures, and a post-war 3-speed gearbox design.2nd Feb 1922Box 40 \ 6  Scan027
List of recommendations for addressing engine starting issues, focusing on lubrication, battery condition, and starter motor operation.16th Dec 1921Box 40 \ 6  Scan028
Methods for reliable engine starting, focusing on priming and starting carburettor design.16th Dec 1921Box 40 \ 6  Scan029
Jamming issues with the Bendix Pinion and proposing solutions.15th Mar 1922Box 40 \ 6  Scan030
Continued note discussing the timing of teeth and threads within working limits.25th Apr 1922Box 40 \ 6  Scan031
Requesting feedback on solutions for a sticking Bendix drive pinion on the Goshawk 11 engine for potential use in the Peregrine.25th Apr 1922Box 40 \ 6  Scan032
Strongly worded letter advising against the use of the Bendix Drive, detailing its unreliability and potential damage.23th May 1922Box 40 \ 6  Scan033
Comparing two notable alternative starter motor pinion designs and their performance.23th May 1922Box 40 \ 6  Scan034
Comparison of different starter motor engagement systems, including manual and automatic types.9th Jun 1922Box 40 \ 6  Scan035
Inquiry regarding the status of solutions for a sticking issue with the Goshawk Bendix.9th Jun 1922Box 40 \ 6  Scan036
Testing and performance of Bendix drives on Goshawk engines, noting issues with flywheel teeth damage.12th Jun 1922Box 40 \ 6  Scan037
Advocating for the use of Bendix drive starters over an existing system on a 40/50 chassis.12th Jun 1922Box 40 \ 6  Scan038
Changeover of the Goshawk II Bendix Drive from part D.50608 to D.50725.26th Jul 1932Box 40 \ 6  Scan039
Failures of springs and seizure issues on Goshawk Bendix starter motor drives.26th Jul 1922Box 40 \ 6  Scan040
Technical feedback on Bendix, water pump, and battery ignition systems following a visit.22th Aug 1922Box 40 \ 6  Scan041
Design changes for a Goshawk 11 Bendix Pinion, as requested by Mr. Royce.25th Aug 1922Box 40 \ 6  Scan042
Instructing Stores to despatch one Bendix Drive at no charge.27th Sep 1922Box 40 \ 6  Scan043
Sending drawing No. LeC.1640 for the Goshawk II Bijur starter motor pinion and requesting instructions for test pieces.7th Oct 1922Box 40 \ 6  Scan044
Disappointment with a rough starter on the Goshawk and a proposed solution.18th Oct 1922Box 40 \ 6  Scan045
Confirming the return of a Bendix drive.19th Oct 1922Box 40 \ 6  Scan046
Suggestion to minimize work on the Starter Motors and Bendix Drives for Goshawk cars due to dissatisfaction and expected improvements.11th Nov 1922Box 40 \ 6  Scan047
Alteration of a starter motor from a Bendix to a Bijur type pinion for the Goshawk project.1st Dec 1922Box 40 \ 6  Scan048
Material specifications for the Goshawk starter motor gear.7th Dec 1922Box 40 \ 6  Scan049
Testing the Bijur Starter Drive, detailing the cause of failures and comparing performance.2nd Feb 1923Box 40 \ 6  Scan050
Comparison between Bijur and Bendix starter drives, noting the future transfer of the 'Seagull' scheme to the 'Goshawk' engine.1st Jan 1931Box 40 \ 6  Scan051
Recurring failures of the Bendix drive on starter motors for 20-HP engines.19th Apr 1923Box 40 \ 6  Scan052
Specification amendment for testing the 20 HP starter motor Bendix friction drive scheme.30th May 1923Box 40 \ 6  Scan053
Covering memorandum for the specification of test and inspection for a 20 HP starter motor bendix drive.30th May 1923Box 40 \ 6  Scan054
Specification for the test and inspection of the 20 HP starter motor Bendix and friction drive scheme.30th May 1923Box 40 \ 6  Scan055
Recommending the replacement of Bendix starter motor pinions with Bijur on 20 HP demonstration cars.16th Jul 1923Box 40 \ 6  Scan056
The complete failure of a starter motor Bendix gear drive for a 20-HP chassis.17th Jul 1923Box 40 \ 6  Scan057
Customer complaint and investigation into an old-type Bendix gear failure on a 20-HP car.25th Jul 1923Box 40 \ 6  Scan058
Customer complaint regarding a starter motor failure and reimbursing transport costs.31th Jul 1923Box 40 \ 6  Scan059
Query regarding a recurring failure with the starter motor.28th Aug 1923Box 40 \ 6  Scan060
Potential improvements and tests for the Goshawk Bendix drive mechanism.28th Aug 1923Box 40 \ 6  Scan061
Testing and potential improvement of a Bendix component compared to a Bijur system.13th Aug 1923Box 40 \ 6  Scan062
Failure of a Bendix Starter Pinion on chassis 44-G-2 and the subsequent use of an improved Bijur Starter Pinion.13th Aug 1923Box 40 \ 6  Scan063
Changing the Bendix Pinion to a Bijur Drive on 20 HP demonstration cars.30th Aug 1923Box 40 \ 6  Scan064
Internal memorandum regarding a faulty Bendix starter motor from car 46-G-9.5th Sep 1923Box 40 \ 6  Scan065
The Goshawk Bendix Drive, detailing a test on a trials car and comparing its performance to the Bijur type.1st Sep 1923Box 40 \ 6  Scan066
Tests comparing the creep of a Bijur clutch with a cork washer clutch under various conditions.12th Jul 1923Box 40 \ 6  Scan067


Copyright Sustain 2025, All Rights Reserved.    whatever is rightly done, however humble, is noble
An unhandled error has occurred. Reload 🗙