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 2337 of 2367        Sort by   Box   Date   Description

Filter      from        to             identifier   [all]
« PrevTo Start228022902300231023202332233323342335233623372338233923402341234223502360   To EndNext »
DescriptionDateIdentifier
Issues with the S.S. exhaust system's cut-out valve and proposing a strengthened replacement.6th Jul 1929West Wittering \ T \ 2July1929-December1929  Scan009
Blueprint cross-section of a Standard Drip Plug.13th Jul 1929West Wittering \ T \ 2July1929-December1929  Scan010
The adoption of K.T.A. type Duralumin Drip-plugs for the Bijur lubrication system, outlining the advantages.13th Jul 1929West Wittering \ T \ 2July1929-December1929  Scan011
Potential design alterations to connections and sending samples for investigation.17th Jul 1929West Wittering \ T \ 2July1929-December1929  Scan012
Trial of a lower compression ratio on S.S. cars to improve engine smoothness.17th Jul 1929West Wittering \ T \ 2July1929-December1929  Scan013
Modification to a cylinder head for S.S. Engines, changing the compression ratio to 4.25.7th Jul 1920West Wittering \ T \ 2July1929-December1929  Scan014
Blank, folded paper with a Print Room stamp.17th Jul 1929West Wittering \ T \ 2July1929-December1929  Scan015
Investigation into radiator choking issues and the proposed solution of increasing the tube gap.26th Jul 1929West Wittering \ T \ 2July1929-December1929  Scan016
The hydraulic restriction and cooling efficiency of a gap radiator matrix.1st Jul 1929West Wittering \ T \ 2July1929-December1929  Scan017
Starter motor torque, power, and efficiency performance with particular reference to the S.S. starter motor.1st Jul 1929West Wittering \ T \ 2July1929-December1929  Scan018
Page detailing the relationship between motor torque, current, and speed with relevant formulas.1st Jul 1929West Wittering \ T \ 2July1929-December1929  Scan019
Analysis of motor efficiency by comparing electrical and mechanical properties through plotted curves.1st Jul 1929West Wittering \ T \ 2July1929-December1929  Scan020
Page detailing brake test arrangements and torque correction for motors with epicyclic reduction gears.1st Jul 1929West Wittering \ T \ 2July1929-December1929  Scan021
Performance and efficiency analysis for the Standard 6' Phantom motor and the Original No.1 Scheme 5' Sequence motor.1st Jul 1929West Wittering \ T \ 2July1929-December1929  Scan022
Comparative analysis of the efficiency and performance of various electric motor designs.1st Jul 1929West Wittering \ T \ 2July1929-December1929  Scan023
Performance analysis of a 5-inch diameter lengthened 37 section slow taper sliding armature sequence motor.1st Jul 1929West Wittering \ T \ 2July1929-December1929  Scan024
Comparison table of design figures versus actual performance data for an R.R. sequence motor.1st Jul 1929West Wittering \ T \ 2July1929-December1929  Scan025
Page from a report detailing motor resistance, torque, and performance comparisons.1st Jul 1929West Wittering \ T \ 2July1929-December1929  Scan026
Reference sheet defining the symbols and formulas for starter motor quantities.1st Jul 1929West Wittering \ T \ 2July1929-December1929  Scan027
Table comparing starter motor power and efficiency data for various motor types.1st Jul 1929West Wittering \ T \ 2July1929-December1929  Scan028
Performance graph showing the characteristics of a starter motor versus torque.25th Jul 1929West Wittering \ T \ 2July1929-December1929  Scan029
Blank document back page with a date stamp.25th Jul 1929West Wittering \ T \ 2July1929-December1929  Scan030
Performance graph showing the brake efficiency of a Sequence Starter G.2.25th Jul 1929West Wittering \ T \ 2July1929-December1929  Scan031
Performance graph charting the brake efficiency and other characteristics of Sequence Motor K against torque.25th Jul 1929West Wittering \ T \ 2July1929-December1929  Scan032
Graph showing the brake efficiency and performance characteristics of a pre-war R. Bosch starter motor.25th Jul 1929West Wittering \ T \ 2July1929-December1929  Scan033
Performance graph showing the brake efficiency of a post-war R. Bosch sliding armature starter motor against torque.25th Jul 1929West Wittering \ T \ 2July1929-December1929  Scan034
Performance graph for an S.S. Sequence starter motor, plotting efficiency, power, speed, voltage, and current against torque.25th Jul 1929West Wittering \ T \ 2July1929-December1929  Scan035
Blank document with a receiving stamp.25th Jul 1929West Wittering \ T \ 2July1929-December1929  Scan036
Comparative test of radiator tubes for 'S.S' model radiators.7th Aug 1929West Wittering \ T \ 2July1929-December1929  Scan037
Recommending a locking device for bonnet catches to prevent the loss of knobs during testing.13th Mar 1929West Wittering \ T \ 2July1929-December1929  Scan038
Test results detailing various methods and times for climbing Ticknall Hill.22th Aug 1929West Wittering \ T \ 2July1929-December1929  Scan039
Comparing the torsional stiffness, weight, and specifications of a new S.S. crankshaft with large pins against standard models.29th Aug 1929West Wittering \ T \ 2July1929-December1929  Scan040
Hydraulic resistance and choking issues in various engine radiator series.30th Aug 1929West Wittering \ T \ 2July1929-December1929  Scan041
Page discussing radiator obstruction in the top row of tubes, comparing F2B series and V series vehicles.30th Aug 1938West Wittering \ T \ 2July1929-December1929  Scan042
Blueprint showing dimensions for 'V' Series, 'F2B' Series, and 'S.S. Chassis' components.30th Aug 1938West Wittering \ T \ 2July1929-December1929  Scan043
Difficulties with a lubrication scheme and a proposal for a temporary solution using the starter carburetter.3rd Sep 1929West Wittering \ T \ 2July1929-December1929  Scan044
Page 2 of a letter stating that a sketch of the bits being used is attached.15th Aug 1929West Wittering \ T \ 2July1929-December1929  Scan045
Blueprint for five brass oil jets.15th Aug 1929West Wittering \ T \ 2July1929-December1929  Scan046
The back of a document showing a purple ink date stamp.3rd Sep 1929West Wittering \ T \ 2July1929-December1929  Scan047
Blueprint for an Oil Jet made of brass.15th Aug 1929West Wittering \ T \ 2July1929-December1929  Scan048
The back of a document with a purple ink stamp from the Print Room in Derby.3rd Sep 1929West Wittering \ T \ 2July1929-December1929  Scan049
Blueprint detailing the specifications for an oil jet for the No. 1 cylinder.31th Jan 1929West Wittering \ T \ 2July1929-December1929  Scan050
Blueprint drawing of oil jets for cylinders.31th Jan 1929West Wittering \ T \ 2July1929-December1929  Scan051
Blueprint of a starter carburettor shaft assembly with operating levers and an oil supply dashpot.3rd Sep 1929West Wittering \ T \ 2July1929-December1929  Scan052
Blank document cover page with two purple ink date stamps from the Print Room.3rd Sep 1929West Wittering \ T \ 2July1929-December1929  Scan053
Oil pressure characteristics and issues with the S.S. relief valve compared to the Phantom model.12th Sep 1929West Wittering \ T \ 2July1929-December1929  Scan054
Graph of engine S.S. Oil Pressures versus RPM for different valve and spring configurations.30th Aug 1929West Wittering \ T \ 2July1929-December1929  Scan055
Blank page with a purple date stamp in the lower right corner.12th Sep 1929West Wittering \ T \ 2July1929-December1929  Scan056
Alternative positions and modifications for the 'S.S.' model front numberplate.20th Sep 1929West Wittering \ T \ 2July1929-December1929  Scan057
Testing of various servo lining materials, like Halo and cotton duck, to improve braking efficiency.21th Sep 1929West Wittering \ T \ 2July1929-December1929  Scan058
Servo efficiency tests, comparing different cams, polished pins, and ball bearings, with a final recommendation on lubrication.24th Jun 1929West Wittering \ T \ 2July1929-December1929  Scan059
Graph comparing the performance consistency of dry versus oil-soaked 'Cotton A' servo fabric under varying input loads.24th Jun 1929West Wittering \ T \ 2July1929-December1929  Scan060
Graph of servo efficiency curves comparing load input against load output for various mechanical configurations.20th Sep 1928West Wittering \ T \ 2July1929-December1929  Scan061
Lack of wear on S.S. car clutch control trunnion shafts and approving the design for the new 20 HP car.27th Sep 1929West Wittering \ T \ 2July1929-December1929  Scan062
The bench and chassis testing of experimental Watford EW6A magnetos.30th Sep 1929West Wittering \ T \ 2July1929-December1929  Scan063
The performance and modification of EW6A magnetos, comparing them to the KW6 type.30th Sep 1929West Wittering \ T \ 2July1929-December1929  Scan064
The condition of a magneto after a 500-hour bench test.30th Sep 1929West Wittering \ T \ 2July1929-December1929  Scan065
Test report on the burning of platinum points, deposits, and ventilated contact breaker covers for magnetos.1st Oct 1929West Wittering \ T \ 2July1929-December1929  Scan066
The new sleeveless type R.O.2 magneto for the 20 HP engine, detailing initial endurance testing and comparisons.1st Oct 1929West Wittering \ T \ 2July1929-December1929  Scan067
The preliminary testing and performance of two new magnetos compared to existing models.30th Sep 1929West Wittering \ T \ 2July1929-December1929  Scan068
The cost, performance, and production readiness of different magneto types for a 20 HP chassis.30th Sep 1929West Wittering \ T \ 2July1929-December1929  Scan069
Complaints and attempted solutions for a clanking noise in the brake mechanism.1st Oct 1929West Wittering \ T \ 2July1929-December1929  Scan070
Silencing brake system noises by fitting cushioned stops and a dash pot.2nd Oct 1929West Wittering \ T \ 2July1929-December1929  Scan071
Test report on a buffer stop applied to a servo balance lever to prevent clanking noises.2nd Oct 1929West Wittering \ T \ 2July1929-December1929  Scan072
Description of a damper for the brake leverages and servo mechanism.2nd Oct 1929West Wittering \ T \ 2July1929-December1929  Scan073
Blueprint of a 20 HP Front Brake Equalizing Stop and a Ferodo Buffer.8th Oct 1929West Wittering \ T \ 2July1929-December1929  Scan074
Blank page with a purple ink date stamp in the bottom right corner.8th Oct 1929West Wittering \ T \ 2July1929-December1929  Scan075
Blueprint of a front brake equalizer stop for a 20 HP vehicle.8th Oct 1929West Wittering \ T \ 2July1929-December1929  Scan076
Blueprint of a rubber buffer applied to a servo balance lever for a 20 HP model.9th Oct 1924West Wittering \ T \ 2July1929-December1929  Scan077
Blueprint showing a proposed dashpot and stop for the servo mechanism on the Phantom II.9th Oct 1929West Wittering \ T \ 2July1929-December1929  Scan078
The Low Inertia Spring Drive for the Phantom II, highlighting a potential issue with ignition timing.12th Oct 1929West Wittering \ T \ 2July1929-December1929  Scan079
Starter motor power tests, detailing production test specifications and results due to delays with the standard test rig.2nd Oct 1929West Wittering \ T \ 2July1929-December1929  Scan080
Report page detailing motor performance metrics and efficiency improvements with a table of results.4th Jun 1929West Wittering \ T \ 2July1929-December1929  Scan081
Starter motor operation, detailing issues with armature sticking, tooth chipping, and improvements to the system.4th Jun 1929West Wittering \ T \ 2July1929-December1929  Scan082
Spring fault causing slow armature return, and the cautious introduction and testing of new 'Y' springs.4th Jun 1929West Wittering \ T \ 2July1929-December1929  Scan083
Report comparing 'Y' and 'Z' springs for a starter system, detailing test rig observations and criticisms of the system.27th Jul 1929West Wittering \ T \ 2July1929-December1929  Scan084
Potential vulnerabilities of a push-button starter system, specifically regarding the Phantom II model.27th Jul 1929West Wittering \ T \ 2July1929-December1929  Scan085
Recommendations for a limiting torque device, a teazer circuit breaker, and an air friction damper.27th Jul 1929West Wittering \ T \ 2July1929-December1929  Scan086
On Phantom II suspension tests regarding radiator 'jellying' and the effects of different front spring stiffness.5th Oct 1929West Wittering \ T \ 2July1929-December1929  Scan087
Attached print concerning the clanking of a brake mechanism.5th Oct 1929West Wittering \ T \ 2July1929-December1929  Scan088
Blueprint showing experiments and a proposal to cure 'servo clank' in a braking system.15th Oct 1929West Wittering \ T \ 2July1929-December1929  Scan089
List of recommended improved parts to be incorporated into the Phantom II production.15th Oct 1929West Wittering \ T \ 2July1929-December1929  Scan090
Proposed modifications for spare wheel carriers, radiator filters, central lubrication, and radiator shape.15th Oct 1929West Wittering \ T \ 2July1929-December1929  Scan091
Customer complaints about noisy shock absorbers and potential remedies.21th Oct 1929West Wittering \ T \ 2July1929-December1929  Scan092
The development and testing of an expanding carburetter on a Standard Phantom I engine.21th Oct 1929West Wittering \ T \ 2July1929-December1929  Scan093
Page 2 of a report detailing experiments and comparisons between different carburetter and choke configurations.21th Oct 1929West Wittering \ T \ 2July1929-December1929  Scan094
Analysis of carburetter experiments comparing power output and pressure restoration with different jet and choke configurations.21th Oct 1929West Wittering \ T \ 2July1929-December1929  Scan095
Carburetter modifications involving the choke, restrictor, and float chamber to improve engine power.21th Oct 1929West Wittering \ T \ 2July1929-December1929  Scan096
Carburetor parts testing, discussing the jet needle taper, metering, and issues with mixture spraying from the choke walls.21th Oct 1929West Wittering \ T \ 2July1929-December1929  Scan097
Graph of power curves comparing carburetor experiments on a Standard Phantom engine.21th Oct 1929West Wittering \ T \ 2July1929-December1929  Scan098
Blank document page with a purple ink stamp from the Print Room.21th Oct 1929West Wittering \ T \ 2July1929-December1929  Scan099
Performance graph comparing two configurations of an expanding choke carburettor based on RPM.21th Oct 1929West Wittering \ T \ 2July1929-December1929  Scan100
Mostly blank document with a date stamp.21th Oct 1929West Wittering \ T \ 2July1929-December1929  Scan101
Experiments with an exhaust-heated hot spot on a Phantom II engine.23th Oct 1929West Wittering \ T \ 2July1929-December1929  Scan102
Engine temperature testing, comparing road test results and suggesting improvements to the hot spot system.22th Oct 1929West Wittering \ T \ 2July1929-December1929  Scan103
Power curve graph for Engine No. SS 15, showing brake horse power vs RPM for an exhaust heated hot-spot system.22th Oct 1929West Wittering \ T \ 2July1929-December1929  Scan104
Blank document with a 'ROYCE, LIMITED' date stamp.23th Oct 1929West Wittering \ T \ 2July1929-December1929  Scan105
Blueprint for an Exhaust Hot Spot Silencer.17th Oct 1929West Wittering \ T \ 2July1929-December1929  Scan106
Reverse side of a document with a date stamp.23th Oct 1929West Wittering \ T \ 2July1929-December1929  Scan107
Adjustment of ignition contact breakers.31th Oct 1929West Wittering \ T \ 2July1929-December1929  Scan108
« PrevTo Start228022902300231023202332233323342335233623372338233923402341234223502360   To EndNext »


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