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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Suitability of different radiator designs and construction methods.19th Dec 1918Box 38 \ 2  Scan002
Proposed construction methods for tanks, side plates, and tubes.19th Dec 1918Box 38 \ 2  Scan003
Samples, potential in-house manufacturing, and the exclusive employment of Mr. Foy.19th Dec 1918Box 38 \ 2  Scan004
Dismantling a radiator in the Experimental Department to create detailed drawings.13th Dec 1918Box 38 \ 2  Scan005
Request to arrange for a specific nickel-plated square tube radiator to be sent to the Experimental Department.13th Dec 1918Box 38 \ 2  Scan006
Notes from a visit with Mr. Royce discussing the design and improvement of radiators for future car chassis.16th Dec 1918Box 38 \ 2  Scan007
Construction of a tank from nickel silver sheets or pressings.16th Dec 1913Box 38 \ 2  Scan008
Extract requesting a sketch for a round tube radiator for a 40/50 chassis.17th Dec 1918Box 38 \ 2  Scan009
Requesting the unsweating of a radiator top tank to examine its construction and that of its round tubes.21th Dec 1918Box 38 \ 2  Scan010
Different radiator tube designs and materials for testing.4th Jan 1919Box 38 \ 2  Scan011
Continued memo clarifying the placement of wire loops on a tank or end plate for strength.9th Dec 1918Box 38 \ 2  Scan012
Three radiator designs and the suspension method for the 'after-the-war' chassis.9th Dec 1918Box 38 \ 2  Scan013
Specifications for alterations to be made to the 40/50 HP chassis.8th Jan 1919Box 38 \ 2  Scan014
The alterations and experimental work for the 40-50 HP present type chassis.18th Dec 1918Box 38 \ 2  Scan015
Specification for testing three different experimental radiator designs on a bumping rig.18th Dec 1918Box 38 \ 2  Scan016
Radiator design alternatives, materials, performance issues, and testing requirements.18th Dec 1918Box 38 \ 2  Scan017
Alternative radiator construction methods to reduce weight while maintaining strength.17th Jan 1919Box 38 \ 2  Scan018
Optimal radiator tube size for the 40/50 HP chassis.20th Jan 1919Box 38 \ 2  Scan019
Observation comparing the carburation performance of older cars with cast iron pistons against the 49GB model.26th Apr 1917Box 38 \ 2  Scan020
Radiator and shutter design, focusing on tube size and shutter placement for cars and aircraft.26th Apr 1917Box 38 \ 2  Scan021
Failure and collapse of round copper radiator tubes on car 49GB.5th Feb 1919Box 38 \ 2  Scan022
Potential causes of radiator tube collapse.12th Feb 1919Box 38 \ 2  Scan023
Letter to Messrs. Greenwood & Batley Ltd. regarding the dispatch of a sample Radiator.13th Feb 1919Box 38 \ 2  Scan024
Letter and sample tubes from Reliance Mnfg. Co. about radiators.28th Feb 1919Box 38 \ 2  Scan025
Letter from Reliance Manufacturing Co. regarding the construction, delivery, and quality of radiator tubes for a bumper test.27th Feb 1919Box 38 \ 2  Scan026
Letter concluding that construction can be improved by using die-produced components for a better finish.4th Mar 1919Box 38 \ 2  Scan027
Arranging a meeting to discuss a re-inforced radiator.4th Mar 1919Box 38 \ 2  Scan028
Comparison of radiators from different manufacturers for a 40/50 HP chassis.10th Mar 1919Box 38 \ 2  Scan029
Discrepancy where radiator suppliers fitted one vent pipe instead of the two specified on drawings, enforcing stricter adherence to new detailed drawings for future production.11th Mar 1919Box 38 \ 2  Scan030
Road test detailing engine performance and fuel consumption in relation to radiator temperature.13th Mar 1919Box 38 \ 2  Scan031
Radiator modifications and comparing a water jacket on the induction pipe for car 7-CA.13th Mar 1919Box 38 \ 2  Scan032
Particulars of a Greenwood & Batley radiator for a 40/50 chassis.17th Mar 1919Box 38 \ 2  Scan033
Design improvements for radiator blocking plates on the 40/50 chassis.4th Apr 1919Box 38 \ 2  Scan034
Page discussing the operational simplicity of having the whole radiator in use.4th Apr 1919Box 38 \ 2  Scan035
Design and placement of louvres for future radiators.9th Apr 1919Box 38 \ 2  Scan036
Design specifications for a radiator louvre frame to control airflow, including materials and operation.1st Nov 1923Box 38 \ 2  Scan037
Thermostat placement and the requirement for a thermometer on production cars.1st May 1919Box 38 \ 2  Scan038
Requesting an update on the status of 40/50 HP radiators for experimental work and testing.12th May 1919Box 38 \ 2  Scan039
Technical update regarding chassis components including batteries, wiring, thermometers, and coils.14th May 1919Box 38 \ 2  Scan040
Methods for radiator temperature control, including screening and a water bye-pass system.28th May 1919Box 38 \ 2  Scan041
Report and a copy of a note regarding 40/50 HP Chassis Radiators.29th May 1919Box 38 \ 2  Scan042
Material and design of a radiator blanking-off piece for the 40/50 chassis.1st Jun 1919Box 38 \ 2  Scan043
Design of bonnets and the effectiveness of radiator shutters for the 40/50 chassis.5th Jun 1919Box 38 \ 2  Scan044
Recommendation to alter the position of bonnet stud handles for improved ease of use.5th Jun 1919Box 38 \ 2  Scan045
Results of testing a radiator bye-pass system on a 40/50 chassis.10th Jun 1919Box 38 \ 2  Scan046
Radiator valve design to prevent freezing and maintain engine temperature.10th Jun 1919Box 38 \ 2  Scan047
Ordering of radiators due to material shortages and deciding future policy on larger tube radiators.24th Jun 1919Box 38 \ 2  Scan048
List of parts and their corresponding numbers for the assembly of chassis 1.E.K.30th Jun 1919Box 38 \ 2  Scan049
Difficulties in maintaining engine water temperature in traffic and proposing a radiator bye-pass system.22th Jul 1919Box 38 \ 2  Scan050
Test report on chassis 1EX detailing radiator performance, including water boiling on hills and a subsequent aluminium piston seizure.28th Jul 1919Box 38 \ 2  Scan051
Engine performance, detailing issues with boiling, vibration, misfiring, and fuel consumption during a test run.1st Jul 1919Box 38 \ 2  Scan052
The failure of a Marston Radiator during bumping tests.11th Aug 1919Box 38 \ 2  Scan053
Chasing a report on radiator tube sizes and confirming existing and future orders.13th Aug 1919Box 38 \ 2  Scan054
Instructions regarding a faulty radiator returned to the Marston Radiator Company and a request for further testing.14th Aug 1919Box 38 \ 2  Scan055
Radiator tube sizes for the 40/50 chassis and authorising an order for 250 units.22th Aug 1919Box 38 \ 2  Scan056
New round tube honey-comb radiator for the 40/50 chassis.9th Sep 1919Box 38 \ 2  Scan057
Seeking guidance on whether to widen the sourcing of radiators beyond the Marston Company to include Orme Evans.9th Sep 1919Box 38 \ 2  Scan058
The merits of flat aluminium strips versus circular baffles for radiators.9th Sep 1919Box 38 \ 2  Scan059
Design and issues with radiator blanking-off plates for managing engine temperature.18th Sep 1919Box 38 \ 2  Scan060
Quality of Orme Evans radiators for the 40/50 chassis and the decision to place orders.19th Sep 1919Box 38 \ 2  Scan061
List of new and experimental parts fitted to the FE Bumper Chassis X.1131.2nd Oct 1919Box 38 \ 2  Scan062
Failures of the 40/50 radiator suspension's ball end cantilever during bumping tests, with recommended design and process changes.10th Oct 1919Box 38 \ 2  Scan063
Investigation into potential corrosion on radiators stored without water.16th Oct 1919Box 38 \ 2  Scan064
Concluding page of a document advising against using certain components due to the likelihood of future trouble.20th Oct 1919Box 38 \ 2  Scan065
Advising on radiator management for optimal engine performance during autumn.20th Oct 1919Box 38 \ 2  Scan066
Decisions on parts held up for Series L & M chassis, specifically the dynamo, wiring, and radiator.21th Oct 1919Box 38 \ 2  Scan067
Mr. Royce's suggestion to modify the 40/50 HP radiator suspension.11th Nov 1919Box 38 \ 2  Scan068
Proposing a test to compare the cooling efficiency of Berlin black versus dead black finishes on radiators.7th Nov 1919Box 38 \ 2  Scan069
Extract from a letter regarding the process of blacking the radiator matrix, detailing experiments and the importance of cleaning before enamelling.13th Nov 1919Box 38 \ 2  Scan070
Tests on the efficiency of blackening radiators, noting no change in efficiency but poor application quality.14th Nov 1919Box 38 \ 2  Scan071
Instruction sheet detailing radiator tests with temperature readings from hill climb and road tests.17th Jul 1919Box 38 \ 2  Scan072
Radiator test report recording water and air temperatures during hill climbs and a three-mile stretch.15th Nov 1919Box 38 \ 2  Scan073
Bumping tests and alterations for the 40/50 HP radiator suspension.14th Nov 1919Box 38 \ 2  Scan074
Proposal to increase the slack for the spheres carrying the chassis radiator and its bottom tank.17th Nov 1919Box 38 \ 2  Scan075
Requesting a report on two blackened radiators sent to the Experimental Department.17th Nov 1919Box 38 \ 2  Scan076
The reaming procedure for the 40/50 Chassis radiator bottom tanks and caps before despatching to makers.26th Nov 1919Box 38 \ 2  Scan077
The release for manufacture of L, M, and N series, focusing on a delay to alter the radiator design.26th Nov 1919Box 38 \ 2  Scan078
Extract detailing a bumping test on an Orme Evans radiator for a 40/50 chassis.27th Nov 1919Box 38 \ 2  Scan079
Trial of two new black enamels, 'Apex' and 'Optical', on cylinder blocks and suggesting their use on radiators.2nd Dec 1919Box 38 \ 2  Scan080
Materials for experimental radiators, suggesting the use of pre-polished metal sheets to better detect flaws.10th Dec 1919Box 38 \ 2  Scan081
Weight specifications for Radiator E.17143, empty and full of water.16th Dec 1919Box 38 \ 2  Scan082
Dispute over the cost and quality of the black finish on Marston radiators.18th Dec 1919Box 38 \ 2  Scan083
Radiator test results with temperature and speed readings at various locations.28th Dec 1919Box 38 \ 2  Scan084
Experimental radiator temperature test readings from road tests including Ticknall and London Road.12th Jan 1920Box 38 \ 2  Scan085
Sample pressing for a radiator top tank supplied by the Excelsior Motor Co.12th Jan 1920Box 38 \ 2  Scan086
Use of rubber versus leather washers for a radiator blanking plate and fittings.1st Mar 1920Box 38 \ 2  Scan087
The fixing of radiator plates to prevent water boiling due to seasonal weather conditions.15th Mar 1920Box 38 \ 2  Scan088
Proposed new swivelling fixing method for a car mascot.1st Apr 1920Box 38 \ 2  Scan089
The faulty fitting of radiator brackets and the need for improved inspection.8th Apr 1920Box 38 \ 2  Scan090
Discrepancy between the lengths of radiator tubes ordered for repairs versus those required for standard production.1st May 1920Box 38 \ 2  Scan091
Clarifying the specifications for radiator tubes, distinguishing between those for repairs and those for complete sets.10th May 1920Box 38 \ 2  Scan092
Radiator performance test results for a 49-GB car with 10mm and 8mm tubes.13th May 1920Box 38 \ 2  Scan093
Log of radiator performance tests, recording temperatures and speeds on Ticknall Hill and London Road.13th May 1920Box 38 \ 2  Scan094
Test report detailing radiator performance with temperature and speed readings on Ticknall Hill.14th May 1920Box 38 \ 2  Scan095
Standardisation and design of capillary tube thermometers and radiator shutters for the 40/50 HP chassis.28th May 1919Box 38 \ 2  Scan096
Suitability of a roll top desk blind compared to a hand-operated shutter for a chassis.28th May 1919Box 38 \ 2  Scan097
Requesting a copy of a note concerning 40/50 HP Chassis Radiators.29th May 1919Box 38 \ 2  Scan098
Blacking of the radiator matrix, including an extract from the radiator makers.13th Nov 1919Box 38 \ 2  Scan099
Inquiring about arrangements for blacking the radiator matrix before chassis despatch.12th Dec 1919Box 38 \ 2  Scan100
Temperature test report for Chassis 35.FW with a Limousine body.7th Jun 1920Box 38 \ 2  Scan101


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