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
Confirming the movement of experimental car 28-EX to Park Wards.28th Jan 1935Box 12 \ 6  06-page126
Coachwork on car 28-EX, now at Park Wards, and an attached report on observed faults.29th Jan 1935Box 12 \ 6  06-page127
Conversation with Pard Ward regarding the need to examine the body and fix defects on car 28-EX.30th Jan 1935Box 12 \ 6  06-page128
Visit to Park Ward's Works to address coachwork issues on car 28-EX.31th Jan 1935Box 12 \ 6  06-page129
Typed memo regarding a discussion with Pard Ward about examining a car body and rectifying defects for car 28-EX.30th Jan 1935Box 12 \ 6  06-page130
Communication regarding the readiness of coachwork on car 28-EX and coordinating its collection from Park Ward's.31th Jan 1935Box 12 \ 6  06-page131
Confirming an arrangement for a representative to be at Park Wards concerning coachwork.2nd Feb 1935Box 12 \ 6  06-page132
Disputed charge from Park Wards for work on chassis 28-EX and recommending a compromise payment.13th Apr 1935Box 12 \ 6  06-page133
Approving an invoice from Park Ward & Co. for the renovation of car 28-EX.26th Apr 1935Box 12 \ 6  06-page134
Comparing the weights of a Hooper enclosed drive Limousine shell and a Cadillac shell.23th May 1935Box 12 \ 6  06-page135
Modified bonnet fastener design for the Phantom and EAC-V11 models.25th Nov 1926Box 12 \ 7  07-page001
Improvements to bonnet fastenings and the adoption of a new cast dash.26th Nov 1926Box 12 \ 7  07-page002
Engine vibration issues related to the rigidity of a cast dashboard.30th Nov 1926Box 12 \ 7  07-page003
Design and advantages of a new cast dash and bonnet.1st Dec 1926Box 12 \ 7  07-page004
Suggesting the use of bonnet fasteners as handles on the Phantom model to save fittings and rivets.17th Dec 1926Box 12 \ 7  07-page005
Standardisation of a cast dashboard for the Phantom model, outlining potential issues and modifications.17th Dec 1926Box 12 \ 7  07-page006
Revised bonnet lock for a Phantom model, requesting a model for inspection.22th Dec 1926Box 12 \ 7  07-page007
Revised Phantom bonnet fastener spring.23th Dec 1926Box 12 \ 7  07-page008
Chassis length for an eight-cylinder car, referencing previous criticisms of appearance.29th Dec 1926Box 12 \ 7  07-page009
Eight-cylinder engines and the future of large cars in the face of increasing traffic congestion.29th Dec 1926Box 12 \ 7  07-page010
Car design trade-offs, particularly comparing a V-eight engine to an inline-eight for body space and performance.29th Dec 1926Box 12 \ 7  07-page011
V-engine design challenges, bonnet width, and comparisons with competitor Packard vehicles.22th Dec 1926Box 12 \ 7  07-page012
Design improvements to car radiators, bonnets, and frames for better appearance and riding quality.22th Dec 1926Box 12 \ 7  07-page013
Bonnet dimensions and the rejection of a new radiator design for the 12-EX car by the Sales department.31th Dec 1926Box 12 \ 7  07-page014
Blueprint detailing bonnet dimensions for four different series.30th Dec 1926Box 12 \ 7  07-page015
Design and improvement of bonnet clips and locks for various models.1st Jan 1927Box 12 \ 7  07-page016
Design changes to the bonnet, radiator, and scuttle for a 40/50 model.1st Jan 1927Box 12 \ 7  07-page017
Design comparison of integral and non-integral bonnet and radiator configurations.1st Jan 1927Box 12 \ 7  07-page018
With diagrams discussing suggested modifications to the radiator and bonnet shape, balancing appearance and efficiency.1st Jan 1927Box 12 \ 7  07-page019
Proposed modifications to the 40/50 HP bonnet and radiator to improve its appearance.1st Jan 1927Box 12 \ 7  07-page020
Philosophy of gradual design alterations to the bonnet and radiator, using an analogy of the human nose.11th Jan 1927Box 12 \ 7  07-page021
Cost-effectiveness of alternative schemes for the Phantom bonnet and radiator, suggesting mock-ups for appearance.13th Jan 1927Box 12 \ 7  07-page022
Optimal radiator tube diameter and length for the 40/50 HP model.13th Jan 1927Box 12 \ 7  07-page023
Proposal for modifying the 40/50 bonnet and radiator design, detailing dimensional changes and efficiency considerations.15th Jan 1927Box 12 \ 7  07-page024
Design and production of a revised radiator and bonnet.28th Jan 1927Box 12 \ 7  07-page025
Proposed modifications to radiator and bonnet proportions, referencing associated drawings and a wooden model.2nd Feb 1927Box 12 \ 7  07-page026
Design improvements for the Phantom radiator and bonnet, focusing on integral shutters.10th Feb 1927Box 12 \ 7  07-page027
Solutions for fitting a raised radiator and bonnet to car chassis EAC.7.23th Feb 1927Box 12 \ 7  07-page028
Potential design modifications to the Phantom EAC. 8 Type radiator and bonnet.26th Feb 1927Box 12 \ 7  07-page029
Modifications to the EAC.8 radiator, including tube size, matrix height, and bonnet position.17th Mar 1927Box 12 \ 7  07-page030
Review of steering columns, scuttles, and dashboards for 20 HP and 40 HP models, discussing flexibility and vibration issues.7th Apr 1928Box 12 \ 7  07-page031
Proposed modifications to a Phantom bonnet, radiator, and dash for coachbuilders.1st May 1928Box 12 \ 7  07-page032
The introduction and trial fitting of a modified bonnet, radiator, and dash for the Phantom model.7th May 1928Box 12 \ 7  07-page033
Modifications to the Phantom's radiator, bonnet, and dashboard for the Show chassis and their potential application to other series.7th May 1928Box 12 \ 7  07-page034
Proposed Phantom G.2B bonnet modifications.10th May 1928Box 12 \ 7  07-page035
Proposed Phantom bonnet modification for the G.Z.B. series.11th Jun 1928Box 12 \ 7  07-page036
Driving position visibility and requesting coachbuilder drawings for scuttle alterations.11th May 1928Box 12 \ 7  07-page037
Proposed modifications to the Phantom G.2B bonnet, radiator, dash, and steering.10th May 1928Box 12 \ 7  07-page038
Bonnet designs for the Phantom and 'SS' models, referencing Mr. Royce's views.24th Sep 1928Box 12 \ 7  07-page039
Standardisation of chassis parts concerning a higher radiator, bonnet, and dash to improve appearance.13th Jul 1928Box 12 \ 7  07-page040
Standardisation document for chassis parts, detailing the implementation of a new part.12th Nov 1928Box 12 \ 7  07-page041
Modifications to the 'SS' radiator and the related drawing.28th Sep 1928Box 12 \ 7  07-page042
New design for bonnet fasteners and a lock, questioning its status and use on upcoming trials cars.11th Jun 1928Box 12 \ 7  07-page043
Recommendation to cut away bonnet strips for easier access to the axle control damper valve cap.28th Nov 1928Box 12 \ 7  07-page044
Technical review of bodywork and associated details, including wheel carriers, bonnets, horns, and seating.10th Jan 1929Box 12 \ 7  07-page045
New bonnet lock and whether it should be a standard feature or an optional extra on SS cars.11th Feb 1929Box 12 \ 7  07-page046
Finishing of parts for Open Car No. 23-EX by the Carlton Carriage Co.11th Feb 1929Box 12 \ 7  07-page047
The despatch of a bonnet for car 23-EX to the Carlton Carriage Co.2nd Feb 1929Box 12 \ 7  07-page048
Fitting louvered bonnets to 'SS' model cars for use in tropical or mountainous countries.10th Jun 1929Box 12 \ 7  07-page049
The preparation and issue of detail drawings for louvred bonnets for the S.S. chassis.12th Jun 1929Box 12 \ 7  07-page050
Push-type bonnet catches working loose and proposing a locking device.13th Aug 1929Box 12 \ 7  07-page051
Proposed Hooper Faux Cabriolet on a Phantom II chassis for the Riviera Trials.11th Nov 1929Box 12 \ 7  07-page052
The design of a new bonnet lock for the Phantom II, questioning why it was not standardised.26th Nov 1929Box 12 \ 7  07-page053
The potential adoption of a new bonnet lock for the Phantom II, based on an example fitted to car 10-EX.30th Nov 1929Box 12 \ 7  07-page054
Difficulties of the present Phantom II bonnet locks and a comparison with the locks on the 10-EX car.4th Dec 1929Box 12 \ 7  07-page055
Similarities and anticipated problems with the Phantom II bonnet locks.10th Dec 1929Box 12 \ 7  07-page056
Design revisions for the radiator, bonnet, and dashboard of a Phantom II for Sir Henry Segrave.31th Jan 1930Box 12 \ 7  07-page057
Follow-up communication regarding sending a modified dashboard shape to Derby.5th Sep 1933Box 12 \ 7  07-page058
Proposed method for carrying road tools on the Phantom II chassis bonnet.5th Sep 1933Box 12 \ 7  07-page059
Revisions to the bonnet and dash design for the Phantom II.4th Feb 1930Box 12 \ 7  07-page060
Expressing urgency for the production of an improved bonnet panel stop for 40/50 HP cars.2nd Aug 1923Box 12 \ 7  07-page061
Standardisation of parts document for Bonnet Stops.6th Dec 1933Box 12 \ 7  07-page062
Blank, yellowed page from the archives.10th Feb 1930Box 12 \ 7  07-page063
Revised bonnet and dash for the Phantom, arguing against a tapered radiator design.10th Feb 1930Box 12 \ 7  07-page064
Design modifications to the radiator, frame and bonnet in response to competitors and coachbuilder feedback.1st Feb 1930Box 12 \ 7  07-page065
Proposed modifications to the Phantom II bonnet and dash, including the radiator and waist line.1st Feb 1930Box 12 \ 7  07-page066
Unsatisfactory bonnet and dashboard for the Phantom II as fitted to Sir Henry Segrave's car, and the plan to review a modified design.27th Feb 1930Box 12 \ 7  07-page067
Proposed modified bonnet, radiator, and dash for the 20/25 HP and Phantom II models.14th Mar 1930Box 12 \ 7  07-page068
The need to send the bonnet to the coachbuilders for moulding and cellulosing to ensure a correct body colour match for an Experimental Phantom II Limousine.26th Apr 1930Box 12 \ 7  07-page069
Delay in providing bonnets for the 20 HP and Phantom II models until the chassis have been built and fitted.28th Apr 1930Box 12 \ 7  07-page070
Scuttle isolation and dashboard modifications for a Phantom II experimental car, referencing drawing N.Sch.3093.28th Apr 1930Box 12 \ 7  07-page071
Clarifying design specifications for a bonnet's projection over the dashboard following a conference.2nd May 1930Box 12 \ 7  07-page072
Modifications to the bonnet for the Phantom II model.7th May 1930Box 12 \ 7  07-page073
Bonnet fitting, specifically the isolation gap and movement relative to the dashboard and scuttle.14th May 1930Box 12 \ 7  07-page074
Introduction of an improved bonnet lock, its extra cost, and the plan for its implementation.2nd Jun 1930Box 12 \ 7  07-page075
Supply of bonnet locks for 40/50 HP and 20/25 HP chassis.2nd Jun 1930Box 12 \ 7  07-page076
Request for a louvred bonnet and standard shutters for car 19-EX for cooling tests.13th Jun 1930Box 12 \ 7  07-page077
Cooling system tests on a Phantom II car at Brooklands in June 1930.25th Jun 1930Box 12 \ 7  07-page078
Engine cooling tests, comparing the effectiveness of various ventilation methods such as bonnet shutters and undershields.1st Jun 1930Box 12 \ 7  07-page079
Analysis of engine cooling performance, proposing ventilated bonnets for cars in hot climates and discussing radiator variations.25th Jun 1930Box 12 \ 7  07-page080
Test report on high oil temperatures, ignition issues, petrol supply, and lap speeds for cars 18-EX and 19-EX.25th Jun 1930Box 12 \ 7  07-page081
Vehicle performance testing, attributing the slow speed of an American car to various factors and comparing it to models 18-EX and 19-EX.25th Jun 1930Box 12 \ 7  07-page082
Water circulation and cooling system tests, including a comparison with the American Phantom II model.1st Sep 1930Box 12 \ 7  07-page083
Summary of development work on bonnet ventilation, fan efficiency, and radiator design for the Phantom II model.25th Jun 1930Box 12 \ 7  07-page084
The necessity of fitting ventilated bonnets to cars for high-speed use on the Continent and English roads.25th Jun 1930Box 12 \ 7  07-page085
Graph plotting temperature changes for top water, bottom water, and oil against miles run under specific test conditions.25th Jun 1930Box 12 \ 7  07-page086
Graph detailing the ambient temperature at which a Standard Phantom II Cabriolet will overheat under various ventilation test conditions.25th Jun 1930Box 12 \ 7  07-page087
Graph plotting top and bottom water temperatures under various bonnet and shutter configurations at 62 M.P.H.25th Jun 1930Box 12 \ 7  07-page088
Graph plotting oil and top water temperatures against miles run under various car operating conditions.25th Jun 1930Box 12 \ 7  07-page089
Bar chart comparing critical air temperatures for spring tensioned versus positively tensioned fan belts.25th Jun 1930Box 12 \ 7  07-page090


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