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                
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Minutes of an engineer's conference discussing engine running issues and propeller shaft extensions.9th Jul 1941Box 159 \ 5  scan0205
Report discussing engine development, focusing on valve spring surge and petrol consumption.11th Jul 1941Box 159 \ 5  scan0206
Persistent issues including servo groans, engine bore wear, steam valves, and piston detonation.11th Jul 1941Box 159 \ 5  scan0207
Page of meeting minutes discussing engine component designs, replacements, and specifications.11th Jul 1941Box 159 \ 5  scan0208
Meeting notes discussing development issues with pistons, tyres, engines, and springs.11th Jul 1941Box 159 \ 5  scan0209
Progress report on various automotive components and vehicle tests.11th Jul 1941Box 159 \ 5  scan0210
Meeting notes discussing various vehicle components including axles, chassis, frames, and radiators.11th Jul 1941Box 159 \ 5  scan0211
Minutes from a car testers' conference discussing various technical issues and their resolutions.11th Aug 1941Box 159 \ 5  scan0212
Meeting minutes or report detailing technical discussions on various engine components and manufacturing processes.11th Aug 1941Box 159 \ 5  scan0213
Meeting notes detailing action points for various component tests and design considerations.11th Aug 1941Box 159 \ 5  scan0214
Meeting notes detailing progress on various automotive projects including axles, chassis, frames, and engine components.11th Aug 1941Box 159 \ 5  scan0215
Testing and characteristics of various helical gear oil pumps.19th Jan 1937Box 159 \ 6  scan0001
Formula for calculating the minimum oil pressure required for oil to enter holes in journal bearings.19th Jan 1937Box 159 \ 6  scan0002
Disagreement over the calculation for loss of oil pressure to pins due to centrifugal force.19th Jan 1937Box 159 \ 6  scan0003
Re-organisation of rig testing equipment for cars, aero engines and manufacturing.19th Jan 1937Box 159 \ 6  scan0004
The co-ordination of rig experiments for car work.19th Jan 1937Box 159 \ 6  scan0005
Use and testing of helical gear oil pumps.19th Jan 1937Box 159 \ 6  scan0006
Requesting rig tests for new Phantom III axle shafts and a flexible steel clutch coupling.22th Jan 1937Box 159 \ 6  scan0007
Arranging for a representative to deal with Rubery Owen regarding frames for the Experimental Department.22th Jan 1937Box 159 \ 6  scan0008
Instructions for fitting two types of steering rollers to a rig steering box for testing.5th Feb 1937Box 159 \ 6  scan0009
Crankcase depression tests comparing different breather methods to manage oil vapour and prevent oil leaks.24th Feb 1937Box 159 \ 6  scan0010
Requesting the manufacture of a journal and centre plate for a brake testing rig.2nd Apr 1937Box 159 \ 6  scan0011
Requesting the manufacture of a cast aluminium pulley wheel for a brake test rig.12th Apr 1937Box 159 \ 6  scan0012
Request for a standard Bentley speedometer and cable for a brake testing rig.16th Apr 1937Box 159 \ 6  scan0013
Request to manufacture pulleys and a junction piece for a brake test apparatus.5th May 1937Box 159 \ 6  scan0014
Outlining the required development work on shock dampers, listing the advantages of the Armstrong damper.27th May 1937Box 159 \ 6  scan0015
Programme for the development and testing of shock dampers and associated damper rigs.27th May 1937Box 159 \ 6  scan0016
Requirements for damper rigs, links, suspension, and glands, with a focus on noise reduction and rubber components.27th May 1937Box 159 \ 6  scan0017
Requesting a rig test for new Production 25/30 steering rollers from a different supplier, the Hoffmann Co.28th May 1937Box 159 \ 6  scan0018
Deflection tests for rear axle pinion bearings.4th Jun 1937Box 159 \ 6  scan0019
Requesting the fitting of a Ransome & Marles roller follower to a rig steering box for testing purposes.16th Jun 1937Box 159 \ 6  scan0020
Drawing of a special rig steering cam.12th Jul 1937Box 159 \ 6  scan0021
Requesting a modification to a rig steering box by fitting a new roller follower.12th Jul 1937Box 159 \ 6  scan0022
Rig tests on Hoffmann 25/30 steering rollers following a previous failure.15th Jul 1937Box 159 \ 6  scan0023
Testing S/M nuts as a substitute for S/S nuts for the Phantom III carburetter drain pipe unions.24th Aug 1937Box 159 \ 6  scan0024
Rig test procedure for a 'Dumb Bell' Link G.84925 to investigate fatigue failure.25th Aug 1937Box 159 \ 6  scan0025
Test procedure for 'Dumb Bell Links' to investigate failures during rotation.30th Sep 1937Box 159 \ 6  scan0026
Advisability of continuing with Phantom III rig tests.15th Oct 1937Box 159 \ 6  scan0027
Issues with Phantom III bottom tappets, requesting a switch to standard production valve gear.16th Oct 1937Box 159 \ 6  scan0028
Asking whether to continue rig tests on Phantom III parts due to a decision to cut spending.19th Oct 1937Box 159 \ 6  scan0029
Requesting modifications to a PH.III Fan Belt & Water Pump Rig Engine for endurance testing.24th Jan 1938Box 159 \ 6  scan0030
Obtaining a concentric Bentley brake drum for a brake lining test rig.3rd Feb 1938Box 159 \ 6  scan0031
Letter to Borg & Beck Ltd. describing a rig designed to measure thrust on clutch pressure plates and findings from tests.25th Feb 1938Box 159 \ 6  scan0032
Letter to Messrs. Borg & Beck Ltd. discussing a rig for measuring thrust on a pressure plate.25th Feb 1938Box 159 \ 6  scan0033
The stripping, examination, and potential refit of a bearing rig unit.26th Feb 1938Box 159 \ 6  scan0034
Request to rebuild a PH.III rig engine with only four crankshaft bearings and sperm oil for testing on fans and water pumps.8th Mar 1938Box 159 \ 6  scan0035
The testing and modification of a Borg & Beck clutch test rig for Cricklewood.9th Jun 1938Box 159 \ 6  scan0036
Receiving two blueprints for a shock damper test rig, with instructions for 'B' Dept.19th Dec 1938Box 159 \ 6  scan0037
Completion dates for a series of experiments on various automotive components.19th May 1939Box 159 \ 6  scan0038
Supporting an increase in test rig availability and a comprehensive new testing equipment scheme.29th Jun 1939Box 159 \ 6  scan0039
The test rig procedures to determine the life of varying axle shaft sizes and wheel bearings.3rd Jul 1939Box 159 \ 6  scan0040
Test results for four 45 mm shafts that were run at 2 tons for 250,000 revolutions.3rd Jul 1939Box 159 \ 6  scan0041
Enquiry to David Brown & Sons regarding the supply of gearboxes for a shock damper test rig.5th Jul 1939Box 159 \ 6  scan0042
Quotation from David Brown & Sons for a 'Radicon' worm reduction gear unit for a shock damper test rig.6th Jul 1939Box 159 \ 6  scan0043
Quotation from David Brown & Sons to Rolls Royce for shock damper test rig components.6th Jul 1939Box 159 \ 6  scan0044
Quotation from David Brown & Sons (Hudd) Ltd. for a heavy type output shaft.1st May 1938Box 159 \ 6  scan0045
Specification sheet for Radicon Worm Reducers, Type 'RHU'.1st May 1938Box 159 \ 6  scan0046
Specification sheet for David Brown Radicon Worm Reducers, type 'RHU' (single reduction).12th Jul 1939Box 159 \ 6  scan0047
Quotation from David Brown & Sons for a Shock Damper Test Rig with gear unit and couplings.12th Jul 1939Box 159 \ 6  scan0048
Quotation from David Brown & Sons for geared motor units, reducing gear units, and flexible couplings with pricing.12th Jul 1939Box 159 \ 6  scan0049
Quote from David Brown & Sons for a helical geared motor unit and a flexible coupling.1st May 1938Box 159 \ 6  scan0050
Specification sheet for the 'Radicon' worm reducer, type 'RHU'.1st May 1938Box 159 \ 6  scan0051
Specification sheet for David Brown Radicon Type 'RHU' worm reducers.1st May 1938Box 159 \ 6  scan0052
Specification sheet for Radicon Worm Reducers, Type RHU.1st May 1938Box 159 \ 6  scan0053
Specification sheet for David Brown Radicon Worm Reducers, type 'RHU' (single reduction).1st May 1938Box 159 \ 6  scan0054
Leaflet for patented Cone-Ring Flexible Couplings, available in heavy and medium duty types.1st May 1938Box 159 \ 6  scan0055
Specification sheet for Medium and Heavy Duty 'David Brown' cone-ring flexible couplings.1st May 1938Box 159 \ 6  scan0056
Technical brochure for 'Cone-Ring' flexible couplings, detailing their functions, design principles, and advantages.13th Mar 1940Box 159 \ 6  scan0057
Distributing a report on proposed test rigs and soliciting ideas for further rigs.13th Mar 1940Box 159 \ 6  scan0058
List of test rigs for various vehicle components.13th Mar 1940Box 159 \ 6  scan0059
Various test rigs for automotive components such as cranks, gearboxes, valves, and pumps.13th Mar 1940Box 159 \ 6  scan0060
Setup of test rigs for various engine components like pumps, valves, and springs.13th Mar 1940Box 159 \ 6  scan0061
Cover memo for a report by Bastow on proposed test rigs, inviting further ideas.13th Mar 1940Box 159 \ 6  scan0062
Suggested list and commentary on test rigs for various vehicle components.13th Mar 1940Box 159 \ 6  scan0063
Various test rigs for automotive components like gearboxes, pumps, and steering.13th Mar 1940Box 159 \ 6  scan0064
Proposal for a test rig to evaluate various engine and chassis components.13th Mar 1940Box 159 \ 6  scan0065
Confirming the arrangement to build test rigs for oil filters and air cleaners.16th Mar 1940Box 159 \ 6  scan0066
Requirements and priorities for various component test rigs.13th Apr 1930Box 159 \ 6  scan0067
Justification and use of a rig for testing gearbox cones.13th Apr 1930Box 159 \ 6  scan0068
Suggested list of test rigs with notes on their status, location, and potential setup.15th Mar 1940Box 159 \ 6  scan0069
Various test rigs for automotive components such as gearboxes, pumps, and valves.13th Mar 1940Box 159 \ 6  scan0070
The setup of test rigs for various engine components like pumps, valves, and springs.13th Mar 1940Box 159 \ 6  scan0071
Request to manufacture an axle shaft endurance rig, a wheel endurance rig, and door locks from drawings P.L.162 and P.L.172.17th Apr 1940Box 159 \ 6  scan0072
Requesting assistance with the layout and installation of test rigs in the workshop.19th Apr 1940Box 159 \ 6  scan0073
Requirements for test rigs, specifically for wheel tests and fan belt endurance tests.9th Apr 1940Box 159 \ 6  scan0074
Planning and requirements for various component endurance tests.9th Apr 1940Box 159 \ 6  scan0075
List of various test rigs and their specifications.9th Apr 1940Box 159 \ 6  scan0076
List of required motors, bedplates, and a generator for various test rigs.9th Apr 1940Box 159 \ 6  scan0077
Confirmation memo for the removal of car rigs and motors for the 'Clan' to the Clan Foundry.27th May 1940Box 159 \ 6  scan0078
The redesign of an endurance test rig for axle shafts, wheels, etc.15th Jun 1940Box 159 \ 6  scan0079
Re-design and modification of an endurance test rig for axle-shafts and wheels.15th Jun 1940Box 159 \ 6  scan0080
Material shortage, suggesting following Bastow's specification for car division test rigs to avoid extravagance.17th Jun 1940Box 159 \ 6  scan0081
Test results of capacity tests made on a lower half on Clan rig.5th Aug 1940Box 159 \ 6  scan0082
Design and application of test rigs for windscreen chains and leaf springs.25th Aug 1940Box 159 \ 6  scan0083
Spring rebound dynamics and the design of a fan, belt, and water pump test rig.25th Aug 1940Box 159 \ 6  scan0084
Test rig setups for various automotive components including valves, oil pumps, and air cleaners.25th Aug 1940Box 159 \ 6  scan0085
The procedure and timeframe for testing a cleaner using a suction blower.25th Aug 1940Box 159 \ 6  scan0086
Letter from Rotol Airscrews Limited concerning rig tests on a Vulture I engine.25th Nov 1940Box 159 \ 6  scan0087
Tests conducted on a Bentley engine to evaluate the effectiveness of extra cylinder lubrication from a hole in the connecting rod.10th Feb 1941Box 159 \ 6  scan0088
Analysis of oil thrown onto cylinder bores from drilled versus non-drilled connecting rods, and a discussion on piston seizure in Bentley engines.4th Apr 1935Box 159 \ 6  scan0089


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