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
Composition and delivery status of aluminium alloy pistons.4th Oct 1917Box 37 \ 3  scan 092
Requesting a progress report on three experiments related to pistons with false crowns.15th Oct 1917Box 37 \ 3  scan 093
Different piston specifications and casting methods.8th Oct 1917Box 37 \ 3  scan 094
Letter regarding the life, alloy composition, and design improvements of aluminium pistons.28th Feb 1918Box 37 \ 3  scan 095
Piston design and the necessity of using aluminium pistons in high-speed aero engines.28th Feb 1918Box 37 \ 3  scan 096
Listing a series of cancelled experiments on pistons and crankcases.5th Jun 1918Box 37 \ 3  scan 097
Technical instruction on correcting Brake Horse Power (B.HP) for atmospheric temperature and pressure.3rd Sep 1917Box 37 \ 3  scan 098
Instructions on the correct procedure for taking temperature readings in a test house.15th Sep 1917Box 37 \ 3  scan 099
Correction table for Aero Engine B.HP to standard pressure based on barometer readings.15th Sep 1917Box 37 \ 3  scan 100
Calculation of a correction table based on standard temperature and pressure.9th Aug 1917Box 37 \ 3  scan 101
Calculations for five distinct cases of engine performance correction factors.9th Aug 1917Box 37 \ 3  scan 102
Calculations for five correction factors labelled A to E.9th May 1917Box 37 \ 3  scan 103
Table showing the variation of atmospheric pressure and the boiling point of water with altitude.18th Mar 1916Box 37 \ 3  scan 104
Reference sheet detailing conversions for standard atmospheric pressure.8th Sep 1917Box 37 \ 3  scan 105
Preparing a table of corrections for horsepower based on atmospheric temperature and pressure.8th Sep 1917Box 37 \ 3  scan 106
Method for correcting aero engine ground brake horsepower (B.HP) for variations in atmospheric temperature and pressure.11th Feb 1916Box 37 \ 3  scan 107
Page 2 of a document detailing the mathematical derivation of a formula for the percentage correction to Indicated Horse Power (I.HP).11th Feb 1916Box 37 \ 3  scan 108
Page detailing calculations for correcting Indicated Horsepower (I.HP) and its relation to Brake Horsepower (B.HP).9th Aug 1917Box 37 \ 3  scan 109
Page of calculations for a percentage correction to Brake Horsepower (B.HP).9th Aug 1917Box 37 \ 3  scan 110
Letter to a tester about recording engine revs, considering barometric pressure and tappet adjustments.13th Sep 1917Box 37 \ 3  scan 111
Typed letter discussing engine performance, personnel handling, and speed figures.21th Sep 1917Box 37 \ 3  scan 112
Formula to correct aero engine ground brake horsepower for atmospheric temperature and pressure variations.21th Sep 1917Box 37 \ 3  scan 113
Continued note on atmospheric temperature correction during power tests, with a comparative data table.3rd Sep 1917Box 37 \ 3  scan 114
Technical instruction on the formula for correcting Brake Horse Power (B.HP) for atmospheric temperature and pressure.3rd Sep 1917Box 37 \ 3  scan 115
Procedure for measuring test house temperature.9th Aug 1917Box 37 \ 3  scan 116
The formula for correcting aero engine ground B.HP for variations in atmospheric temperature and pressure.20th Sep 1917Box 37 \ 3  scan 117
Page 2 of a calculation to correct Indicated Horse Power (I.HP) for atmospheric conditions.20th Sep 1917Box 37 \ 3  scan 118
Page detailing formulas and examples for correcting Indicated and Brake Horsepower.20th Sep 1917Box 37 \ 3  scan 119
Page of calculations for the percentage correction to Brake Horse Power (B.HP).20th Sep 1917Box 37 \ 3  scan 120
Page showing the conclusion of a calculation for B.HP correction to a standard state.24th Sep 1917Box 37 \ 3  scan 121
Request for 10 blueprints of a table for correcting aero engine Brake Horsepower (B.HP) based on atmospheric variations.24th Sep 1917Box 37 \ 3  scan 122
Data table for correcting aero engine B.HP to standard pressure.15th Sep 1917Box 37 \ 3  scan 123
Correction of aero engine B.HP for atmospheric humidity.22th Oct 1917Box 37 \ 3  scan 124
Listing atmospheric factors needed to formulate the law of horsepower variation.13th Sep 1917Box 37 \ 3  scan 125
Instruction to a tester to record barometric readings as they have a marked effect on engine power.13th Sep 1917Box 37 \ 3  scan 126
Letter from the Air Board Office regarding the Upton Lewis Testing Machine and requesting results of conductivity tests on aluminium alloys.24th Aug 1917Box 37 \ 3  scan 127
The continual breaking of Magneto Fixing Lugs and a proposal for a replaceable steel design.28th Feb 1918Box 37 \ 3  scan 128
Strengthening of magneto brackets by increasing the lug thickness.28th Feb 1918Box 37 \ 3  scan 129
The risk of breaking a holding-down bolt by over-tightening or misusing a spanner.1st May 1918Box 37 \ 3  scan 130
'Eagle' Engines Magneto Drive, Fittings and Brackets with Improved Lugs.1st May 1918Box 37 \ 3  scan 131
Instruction to the experimental department to manufacture and test magneto brackets with modified lugs for 'Eagle' engines.1st May 1918Box 37 \ 3  scan 132
Magneto drive and fittings for 'Eagle' engines, specifically magneto brackets with improved lugs.8th May 1918Box 37 \ 3  scan 133
Requesting the production of three test sets of Magneto Bracket 'B' units for 'Eagle' engines.16th May 1918Box 37 \ 3  scan 134
Issue of Magneto Drive & Fittings for 'Eagle' engines to the experimental department.19th Jul 1918Box 37 \ 3  scan 135
Experimental magneto bracket for the Eagle engine.24th Sep 1918Box 37 \ 3  scan 136
Experiment X.3293 on magneto brackets with improved lugs.15th Nov 1918Box 37 \ 3  scan 137
Experiment X.3293 on magneto brackets with improved lugs.13th Dec 1918Box 37 \ 3  scan 138
More secure method for attaching Eagle ignition wire tube clips and primer connections.19th Jun 1917Box 37 \ 4  scan 001
From EFC to By. chasing outstanding prints for several drawings.25th Jun 1917Box 37 \ 4  scan 002
Improved method of attaching ignition wire tubes to induction pipes to LeC. 822.3rd Sep 1917Box 37 \ 4  scan 003
The increase of magneto timing advance on increased HP engines to improve power.7th Jun 1917Box 37 \ 4  scan 004
Order of a set of Magneto Drive & Fittings for a 'Falcon' B Engine for testing purposes.22th Jun 1917Box 37 \ 4  scan 005
Magneto drive and fittings for the 'Falcon' 'B' Engine X. 3091.22th Jun 1917Box 37 \ 4  scan 006
Parts list for the magneto drive and fittings for the 'Falcon' 'B' engine.9th Aug 1917Box 37 \ 4  scan 007
Parts list for the magneto drive and fittings for the 'Falcon' 'B' engine.9th Aug 1917Box 37 \ 4  scan 008
New Intermediate Shaft for the 'Falcon' 'B' engine wheelcase and gears.22th Jun 1917Box 37 \ 4  scan 009
Adjustment of magneto timing, proposing a new scheme with a four-jaw driving drum.21th Jun 1917Box 37 \ 4  scan 010
Proposal to adopt a new form of drive for the 'Eagle' and 'Falcon' engines, referencing a memo from Mr. Bailey.18th May 1916Box 37 \ 4  scan 011
Cover memo forwarding a document regarding the magneto drive and fittings for the 'Falcon B' engine, X.3091.25th Jun 1917Box 37 \ 4  scan 012
The wheelcase and gears for the 'Falcon' Engine ('B').26th Jun 1917Box 37 \ 4  scan 013
Standard Magneto Drive & Fittings for the 'Falcon' B engine from serial number 501 onwards.5th Jul 1917Box 37 \ 4  scan 014
Instructions concerning the Magneto Drive & Fittings for 'Falcon' and experimental 'B' engines.23th Jul 1917Box 37 \ 4  scan 015
Experimental parts incorporated into the 'FALCON' 'B' engine, now ready for testing.13th Sep 1917Box 37 \ 4  scan 016
Confirming satisfactory experiments on a Falcon B engine, making them standard for Series 3 engines.22th Oct 1917Box 37 \ 4  scan 017
Instruction to hold production of 'Falcon' engines to replace the Wheelcase Oil Jet with a shorter version.26th Jun 1917Box 37 \ 4  scan 018
Marked-up prints for the wheelcase and gears of a 'Falcon' 'B' engine X.3094.26th Jun 1917Box 37 \ 4  scan 019
Issuance of a final drawing for a Wheelcase part E.13919 for Falcon and Experimental 'B' engines.16th Aug 1917Box 37 \ 4  scan 020
Listing experimental parts incorporated into a Falcon 'B' engine for testing.9th Sep 1917Box 37 \ 4  scan 021
Satisfactory experiments on the Falcon B engine, making them standard for series 3 engines.22th Oct 1917Box 37 \ 4  scan 022
Instruction to trial the wheelcase ball bearing housing and oil pump towers in crankcase aluminium for the Eagle and Falcon engines.21th Jun 1917Box 37 \ 4  scan 023
Proposing the trial of aluminium instead of bronze for the wheelcase ball bearing housing and water & oil pump towers.21th Jun 1917Box 37 \ 4  scan 024
Instruction to manufacture a Falcon water pump drive tower in crankcase alloy aluminium for testing.2nd Jul 1917Box 37 \ 4  scan 025
Cover memo regarding two copies of a document about the 'Falcon' water pump drive tower.3rd Jul 1917Box 37 \ 4  scan 026
Requesting the manufacture of an Eagle engine's water pump drive tower in aluminium for testing.3rd Aug 1917Box 37 \ 4  scan 027
Water pump drive tower in aluminium for RE Eagle engines.13th Aug 1917Box 37 \ 4  scan 028
Issuing a new tracing for an experimental aluminium water pump drive tower for 'Eagle' engines.3rd Sep 1917Box 37 \ 4  scan 029
Issue of a print for an aluminium water pump drive tower for Eagle engines to the Experimental Department Stores.1st Sep 1917Box 37 \ 4  scan 030
List of experiments to be incorporated into the 100-hour endurance test of the experimental Falcon 'B' engine.28th Apr 1917Box 37 \ 4  scan 031
Instructions regarding an experimental aluminium water pump drive tower, noting a weight reduction of 44 lbs.3rd Oct 1917Box 37 \ 4  scan 032
To Mr. Clark detailing the conversion of an Experimental C2 Engine to an Eagle 8 type with a list of incorporated parts.5th Oct 1917Box 37 \ 4  scan 033
List of suggested parts to be fitted to an Eagle engine for a 100-hour test.12th Oct 1916Box 37 \ 4  scan 034
Fitting new aluminium water and oil pump drive towers to an Eagle 'G' engine for a 100-hour endurance test.18th Feb 1918Box 37 \ 4  scan 035
List of experiments fitted to the Experimental 'G' Engine, which is now ready for testing.14th Mar 1918Box 37 \ 4  scan 036
On fitting aluminium oil and water pump drive towers to experimental engines.11th Apr 1918Box 37 \ 4  scan 037
Instruction to trial manufacturing wheelcase ball bearing housings and pump towers in aluminium for Eagle and Falcon engines.21th Jun 1917Box 37 \ 4  scan 038
Instruction to trial wheelcase ball bearing housings and pump towers in aluminium for the Eagle and Falcon engines.21th Jun 1917Box 37 \ 4  scan 039
Instruction to cast one set of a 'Falcon' Oil Pump Drive Tower in crankcase alloy aluminium for testing.2nd Jul 1917Box 37 \ 4  scan 040
'Radcon' Oil Pump Drive Tower in Aluminium and the issuance of prints.3rd Jul 1917Box 37 \ 4  scan 041
Instruction to manufacture one set of 'Eagle' engine oil pump drive parts in aluminium for testing.3rd Aug 1917Box 37 \ 4  scan 042
Eagle Engine's oil pump drive tower and housing being made in aluminium.13th Aug 1917Box 37 \ 4  scan 043
The manufacturing of 'Eagle' engine oil pump parts in aluminium for testing.3rd Aug 1917Box 37 \ 4  scan 044
Issuing new tracings for the 'Eagle' engine's oil pump drive components made of aluminium.25th Aug 1917Box 37 \ 4  scan 045
Eagle engines oil pump drive tower and housing in aluminium.30th Aug 1917Box 37 \ 4  scan 046
Endurance test instructions for the experimental Falcon 'B' engine.26th Apr 1917Box 37 \ 4  scan 047
Experiment for an aluminium oil pump tower fitted to an Eagle experimental E2 engine.8th Oct 1917Box 37 \ 4  scan 048
List of suggested parts to be fitted to Eagle engines for a 100-hour run.2nd Jan 1918Box 37 \ 4  scan 049
Fitting aluminium water and oil pump drive towers to an Eagle 'C' engine for an endurance test.18th Feb 1918Box 37 \ 4  scan 050
List of experiments fitted to the Experimental 'G' Engine, now ready for testing.14th Mar 1918Box 37 \ 4  scan 051
The testing of 3-cylinder and 6-cylinder induction pipes for Eagle and Condor engines.23th Mar 1918Box 37 \ 4  scan 052
Tests conducted on six-cylinder pipes and carburetter configurations.23th Mar 1918Box 37 \ 4  scan 053


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