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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Design and testing of an improved Bendix drive for the Goshawk II engine.11th Sep 1923Box 40 \ 6  Scan068
Completing details for the Bendix Drive, enclosing a blueprint for the Engaging Spring.1st Nov 1923Box 40 \ 6  Scan069
Issuance of blueprints for Bendix Drives.14th Nov 1923Box 40 \ 6  Scan070
Difficulty of lubricating the 20-HP starter Bendix gear and suggesting an easier scheme.11th Apr 1924Box 40 \ 6  Scan071
Noisy starter on Mr. Royce's car and a request for an update on suggested improvements.30th May 1924Box 40 \ 6  Scan072
Ongoing failure of Bendix Drives for 20-HP starter motors, listing returned units.18th Jun 1924Box 40 \ 6  Scan073
Reporting a faulty starter and an uncomfortable driver's seat on a 5-Goshawk-11 car.20th Jun 1924Box 40 \ 6  Scan074
Broken starter motor on car 5-G-11 and the dispatch of a replacement.21th Jun 1924Box 40 \ 6  Scan075
Removal and replacement of a faulty starter motor on a 5-Goshawk-11 car.24th Jun 1924Box 40 \ 6  Scan076
From RS to HS regarding the dispatch of a damaged starter motor and bendix and arranging a replacement.25th Jun 1924Box 40 \ 6  Scan077
Sending a starter motor with a Bijur drive to replace the original Bendix drive.25th Jun 1924Box 40 \ 6  Scan078
Confirmation of a wire urgently requesting a new starter motor with bendix for a car named 'Five Goshawk'.25th Jun 1924Box 40 \ 6  Scan079
Urgent telegram from Royce requesting a new starter motor with Bendix for a '5 goshawk' car.25th Jun 1924Box 40 \ 6  Scan080
Instructing the despatch of one starter motor to St. Pancras Station for collection.26th Jun 1924Box 40 \ 6  Scan081
Improvements and standardisation of Bendix and Bijur components for Goshawks engines.30th Jun 1924Box 40 \ 6  Scan082
Redesign and improvement of Bendix and Bijur pinions from the original defective American designs.1st Jul 1924Box 40 \ 6  Scan083
Inconsistent performance of the 20 HP starter pinion.29th Nov 1924Box 40 \ 6  Scan084
Performance and replacement of starter motor pinions for Goshawk cars.3rd Dec 1924Box 40 \ 6  Scan085
The Goshawk project and the replacement of Bendix drives with the improved Bijur scheme.11th Dec 1924Box 40 \ 6  Scan086
Faulty starter motor for Chassis 10-GIII after completing 10,027 miles.4th May 1926Box 40 \ 6  Scan087
Request for complete details of the Imco Autopulse Magnetic Fuel Pump.20th Aug 1925Box 41 \ 1  Scan001
Letter from Ireland & Matthews Manufacturing Co. regarding their 'Autopulse' magnetic fuel pump.31th Aug 1925Box 41 \ 1  Scan002
Informational leaflet detailing twelve reasons for adopting the AUTOPULSE fuel pump, with a list of boat and engine builders who use it.23th Sep 1925Box 41 \ 1  Scan003
From EFC to Hs. suggesting a test for the Autopulse.23th Sep 1925Box 41 \ 1  Scan004
Cover page for the Autopulse System, a fuel supply solution.23th Sep 1925Box 41 \ 1  Scan005
Descriptive booklet for the Autopulse Magnetic Fuel Pump, detailing its features, installation, and operation.23th Sep 1925Box 41 \ 1  Scan006
Installation instructions and operational details for the AUTOPULSE fuel pump unit.23th Sep 1925Box 41 \ 1  Scan007
Installation, operation tests, service, and capacity information for the Autopulse electric fuel pump.23th Sep 1925Box 41 \ 1  Scan008
Detailed explanation of the AUTOPULSE fuel pump, its operation, and specifications.23th Sep 1925Box 41 \ 1  Scan009
Descriptive document on the operation, installation, and application of the Autopulse electric fuel pump.23th Sep 1925Box 41 \ 1  Scan010
Advertisement leaflet detailing twelve reasons why the Autopulse system solves gas engine fuel supply issues.13th Mar 1928Box 41 \ 1  Scan011
From Mr. Olley to Mr. Nadin regarding the ordering of two Autopulse instruments.13th Mar 1928Box 41 \ 1  Scan012
The requirement for a test rig for petrol pumps on aero engines.18th Mar 1926Box 41 \ 1  Scan013
Technical memo describing the function of an Auto-Pulse electro-magnetic petrol pump.13th Jul 1926Box 41 \ 1  Scan014
Laboratory tests of a petrol delivery instrument, detailing its performance and suitability for use in a car.13th Jul 1926Box 41 \ 1  Scan015
Continuation page of a note regarding an objection to work on a car.13th Jul 1926Box 41 \ 1  Scan016
Performance graph of an 'Autopulse' electric petrol pump showing delivery rate versus head at various operating voltages and suction heads.12th Aug 1926Box 41 \ 1  Scan017
Rear of a document with a Print Room stamp from the Derby facility.13th Jul 1928Box 41 \ 1  Scan018
Letter from the American branch to Derby discussing the Autopulse Fuel Pump's performance and installation.28th Jul 1926Box 41 \ 1  Scan019
Page 2 of a letter discussing the uses of a device and recommending more thorough testing.28th Jul 1926Box 41 \ 1  Scan020
Test report on the 'IMCO' Autopulse fuel pump's performance on chassis 9-EX.13th Sep 1926Box 41 \ 1  Scan021
The operational issues of an Autopulse unit, detailing its inconsistent performance and noise levels.18th Nov 1926Box 41 \ 1  Scan022
Request for views on the 'AUTO-PULSE' fuel system, quoting a discussion at a Works Conference.18th Nov 1926Box 41 \ 1  Scan023
Cover note attaching a report detailing objections to the Autopulse Fuel Pump.22th Nov 1926Box 41 \ 1  Scan024
The testing and performance issues of an 'IMCO' Autopulse fuel pump fitted to chassis 9-EX.13th Sep 1926Box 41 \ 1  Scan025
Letter from Rolls-Royce of America discussing test results and issues with the Imco Autopulse fuel pump.13th Nov 1926Box 41 \ 1  Scan026
Page two of a letter discussing the troublesome nature of the Phantom float feed system and requesting tips for its operation.13th Nov 1926Box 41 \ 1  Scan027
Letter from R.M. Papélian Limited promoting their 'Autopulse' petrol system and seeking to arrange a demonstration.30th Nov 1926Box 41 \ 1  Scan028
Bulletin for the Autopulse Magnetic Fuel Pump, approved by the National Board of Fire Underwriters.30th Nov 1926Box 41 \ 1  Scan029
Promotional document and summary of subjects for the 'Autopulse' gasoline delivery system.30th Nov 1926Box 41 \ 1  Scan030
Product information sheet for the Autopulse Magnetic Fuel Pump, detailing its operation and features.30th Nov 1926Box 41 \ 1  Scan031
Installation instructions and features for the Autopulse fuel system.30th Nov 1926Box 41 \ 1  Scan032
Installation, operation, and service instructions for the Autopulse electric fuel pump.30th Nov 1926Box 41 \ 1  Scan033
Technical bulletin detailing the specifications and performance of the 'AUTOPULSE' fuel pump system.30th Nov 1926Box 41 \ 1  Scan034
Technical explanation, operating principles, and ordering instructions for the AUTOPULSE electric fuel pump.30th Nov 1926Box 41 \ 1  Scan035
Technical and marketing document for the Autopulse fuel sediment trap and system.30th Nov 1926Box 41 \ 1  Scan036
Promotional leaflet for the Autopulse Gas Engine Fuel Supply from Ireland & Matthews Manufacturing Company.1st Dec 1926Box 41 \ 1  Scan037
Letter to Messrs. R.M. Papélian Ltd. rejecting the Auto-pulse petrol system following tests.1st Dec 1926Box 41 \ 1  Scan038
Letter from a motor parts importer offering a new 'Autopulse' device for testing on an experimental car.2nd Dec 1926Box 41 \ 1  Scan039
Letter discussing the performance, issues, and installation of single and double Autopulse fuel feeding devices on various car models.13th Dec 1926Box 41 \ 1  Scan040
The piston design for the Eagle XVI engine, referencing drawings and compression ratios.1st Oct 1925Box 41 \ 1  Scan041
Overweight sample Eagle 16 piston and proposed methods for weight reduction.27th Aug 1923Box 41 \ 1  Scan042
Quality and inspection of French-made 40/50 chassis springs.27th Aug 1923Box 41 \ 1  Scan043
Bump testing Lemoines springs and a recommendation for their use.6th Dec 1923Box 41 \ 1  Scan044
Bump test report for Lemoines 40-50 chassis springs.6th Dec 1923Box 41 \ 1  Scan045
Request to urgently obtain six pairs of spring plates, three from America and three from Lemoines.18th Dec 1923Box 41 \ 1  Scan046
Poor manufacturing and potential improvements for front springs on the Phantom and 20 HP models.23th Sep 1925Box 41 \ 1  Scan047
Use, testing, and sourcing of Lemoine springs for the 20 HP 'India' chassis.26th Sep 1925Box 41 \ 1  Scan048
Testing of Lemoine springs on the 20 HP car.26th Sep 1925Box 41 \ 1  Scan049
Internal request to order six pairs of front springs for the 20 HP chassis from Messrs Lemoines.28th Sep 1925Box 41 \ 1  Scan050
Modifications Mr. Royce wishes for the 'INDIA' 10,000 miles car.10th Oct 1925Box 41 \ 1  Scan051
Confirming the receipt of six sets of 20-HP chassis front springs from Messrs. Lemoine for the Experimental Department.23th Nov 1925Box 41 \ 1  Scan052
Receipt and testing of Lemoine manufactured springs from Paris and a related customs duty refund claim.26th Nov 1925Box 41 \ 1  Scan053
Particulars of Lemoine Road Springs, comparing two different batches received.3rd Dec 1925Box 41 \ 1  Scan054
Design drawing detailing the specifications for front and rear leaf springs for Perkins.2nd Dec 1925Box 41 \ 1  Scan055
Blank page with a Print Room stamp.2nd Dec 1925Box 41 \ 1  Scan056
Drawing and specification tables for front and rear leaf spring assemblies.22th Mar 1929Box 41 \ 1  Scan057
The reverse of a document page showing a handwritten reference number and a print room date stamp.12th Dec 1925Box 41 \ 1  Scan058
Particulars of Lemoine springs obtained from tests on the 20 HP model.1st Mar 1926Box 41 \ 1  Scan059
Different front spring and shock damper schemes, including Woodheads and Lemoine.30th Mar 1926Box 41 \ 1  Scan060
Receipt and examination of 12 spring bushes from Lemoine, Paris.7th Mar 1927Box 41 \ 1  Scan061
Mislaid Lemoine spring bushes from Paris and the arrangement for a replacement supply.3rd May 1927Box 41 \ 1  Scan062
Design and testing of a new riveted spring clip to replace existing options.5th Jun 1927Box 41 \ 1  Scan063
The inability to trace specific road spring bushes.6th May 1927Box 41 \ 1  Scan064
Commenting on various aspects of road spring design and manufacturing, including rusting, grinding, and plate construction.14th Aug 1928Box 41 \ 1  Scan065
Continued memorandum discussing the quality and cost of Firth springs compared to Lemoine springs.30th Dec 1919Box 41 \ 1  Scan066
Sending two blueprints for an experimental Hawk Engine Piston set.30th Dec 1919Box 41 \ 1  Scan067
Responding to an enquiry for a Gudgeon Pin Locking Screw and Piston Ring Stop for a Hawk Northcliffe Chassis.1st Jan 1920Box 41 \ 1  Scan068
Alterations to the Hawk Northcliffe Chassis for the piston and gudgeon pin.2nd Feb 1920Box 41 \ 1  Scan069
Causes of burnt valves, pre-ignition issues, and engine vibrations.29th Dec 1922Box 41 \ 1  Scan070
Practice of pinning piston rings and comparing it with the 40/50 and Hawk engines.1st Jan 1923Box 41 \ 1  Scan071
Technical memorandum comparing the pistons and compression ratio of the 'Hawk-Northcliffe' chassis with the standard 40/50 HP model.1st Jan 1923Box 41 \ 1  Scan072
Various piston designs and potential modifications, including the Zephyr split piston.22th Dec 1919Box 41 \ 1  Scan073
Typed extract discussing the effectiveness of plunger rings and cast iron pistons.22th Dec 1919Box 41 \ 1  Scan074
Development and features of various piston designs for a 10,000-mile test.3rd Jan 1920Box 41 \ 1  Scan075
Use of Ricardo's aluminium pistons over returning to cast iron pistons.3rd Jan 1920Box 41 \ 1  Scan076
Incorporation of a stop mechanism into an adjustable collapsible piston.4th Jan 1920Box 41 \ 1  Scan077
Design specifications and required testing for an adjustable collapsible piston with a hairpin spring.5th Jan 1920Box 41 \ 1  Scan078
Valve springs breaking on the 40/50 chassis and a proposal to use a more reliable double spring design from the aero engine.24th Nov 1919Box 41 \ 1  Scan079
The recurring, epidemic-like trouble with valve springs on the 40/50 chassis.25th Nov 1919Box 41 \ 1  Scan080


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