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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Complaint about a faulty tyre on a Delage car and a request for a replacement.22th May 1922West Wittering \ I \ May1922  Scan76
Drawing No. LeC 1582 for the Goshawk II dynamo's control brush spring.22th May 1922West Wittering \ I \ May1922  Scan77
Drawing for a Goshawk 11 commutator built with micanite insulation.22th May 1922West Wittering \ I \ May1922  Scan78
Alterations to the Goshawk 11 carburetter controls, referencing drawing LeG 1583.22th May 1922West Wittering \ I \ May1922  Scan79
Testing parameters for the Goshawk chassis, balancing rigorous testing with reasonable care and avoiding neglect.23th May 1922West Wittering \ I \ May1922  Scan80
Car inspection procedures, production limitations for the Goshawk model, and managing expectations for component wear.10th Dec 1930West Wittering \ I \ May1922  Scan81
From E. to By. discussing Mr. Royce's proposals for addressing oil leaks on Goshawk valve gear covers.23th May 1922West Wittering \ I \ May1922  Scan82
The overheating failure of the Goshawk 11 commutator and potential insulation solutions.23th May 1922West Wittering \ I \ May1922  Scan83
Potential modifications and tests for a Goshawk carburettor.23th May 1922West Wittering \ I \ May1922  Scan84
Design alteration request from Mr. Royce for the commutator of the Goshawk 11 electric motor.23th May 1922West Wittering \ I \ May1922  Scan85
Commutator overheating failures on the Goshawk 11 and proposing further tests on insulating materials.23th May 1922West Wittering \ I \ May1922  Scan86
Mr. Royce's suggestion for an adjustment to the Goshawk 11 battery ignition HT moulding.23th May 1922West Wittering \ I \ May1922  Scan87
Instructions to alter the design of the Goshawk 11 starter motor commutator.23th May 1922West Wittering \ I \ May1922  Scan88
Modifying the Goshawk engine's rear oil retaining cover using longer bolts.23th May 1922West Wittering \ I \ May1922  Scan89
Cracked cylinder head on a Goshawk engine and proposing improvements to the fan drive for better cooling.24th May 1922West Wittering \ I \ May1922  Scan90
Water boiling issues caused by inefficient fan driving due to the rapid stretching of new belts.10th Dec 1920West Wittering \ I \ May1922  Scan91
Proposed experiments for the engine's fan, belt, and radiator cooling system.10th Dec 1930West Wittering \ I \ May1922  Scan92
Drawing for fitting three exit pipes between pairs of cylinders.10th Dec 1930West Wittering \ I \ May1922  Scan93
Drawing for a Goshawk crankchamber alteration to prevent oil leaks.24th May 1922West Wittering \ I \ May1922  Scan94
Lucas Generator trouble due to melting solder on the commutator and a suggestion to improve ventilation.1st Dec 1922West Wittering \ I \ May1922  Scan95
Telegram received by telephone with instructions for an engine and radiator test rig.24th Mar 1922West Wittering \ I \ May1922  Scan96
Telegram received by telephone from Royce with instructions for engine testing.9th Jul 1918West Wittering \ I \ May1922  Scan97
Statement defending against criticisms of the Goshawk model's chauffeur steering, citing issues with the coachbuilder's work.25th May 1922West Wittering \ I \ May1922  Scan98
On modifications to seating and pedals for the Goshawk and 40/50 'B' type vehicles, referencing schedule N.sch. 1287.25th May 1922West Wittering \ I \ May1922  Scan99
Two proposals for fitting a pad to the Goshawk II rear axle to receive a tie rod.25th May 1928West Wittering \ I \ May1922  Scan100
Two design proposals for the Goshawk front cross member, one strengthened and one a drop forging.25th May 1922West Wittering \ I \ May1922  Scan101
Proposed stop for the Goshawk rear spring shackle to prevent axle movement upon spring failure.25th May 1922West Wittering \ I \ May1922  Scan102
Modifications for attaching springs to the Goshawk II front axle.25th May 1922West Wittering \ I \ May1922  Scan103
Revisions to the Goshawk 11 shock absorbers, as per Mr. Royce's wishes.25th May 1922West Wittering \ I \ May1922  Scan104
Water boiling issues in the Goshawk engine's cooling system due to an ineffective fan or drive.5th May 1922West Wittering \ I \ May1922  Scan105
Improving the radiator and cooling system to prevent water loss from steam priming on the Goshawk model.10th Dec 1920West Wittering \ I \ May1922  Scan106
Design improvements and repair procedures for the Goshawk front cross member.26th May 1922West Wittering \ I \ May1922  Scan107
Requested modification and investigation for the Goshawk rear shock absorber.26th May 1922West Wittering \ I \ May1922  Scan108
The lubrication issues and testing of the 5-Goshawk-11 car, comparing it to other Goshawk models and the 40/50.26th May 1922West Wittering \ I \ May1922  Scan109
Report explaining why wear information on a 5-Goshawk-ll car was considered worthless due to lack of lubrication.5th May 1922West Wittering \ I \ May1922  Scan110
Design improvements for the Goshawk 11 distribution board cover and specifications for fuse wire.5th May 1922West Wittering \ I \ May1922  Scan111
Modifications to the field connections and brush holder insulation for the Goshawk 11 dynamo.27th May 1922West Wittering \ I \ May1922  Scan112
Design change to the parallel front dumb iron fixing for the Goshawk.28th Jan 1922West Wittering \ I \ May1922  Scan113
Carburetion schemes for Goshawk I and II engines, with sketches of proposed inlet manifold designs.28th Jul 1922West Wittering \ I \ May1922  Scan114
Goshawk vehicle run to Deal, detailing performance observations and issues.30th May 1922West Wittering \ I \ May1922  Scan115
Engine component issues including a defective cylinder, valve scaling, and ignition plug performance.10th Dec 1920West Wittering \ I \ May1922  Scan116
Confirming receipt of an 880 x 120 mm cover and awaiting an update from Dunlop on another.30th May 1922West Wittering \ I \ May1922  Scan117
Design and implementation of a larger fan for the Goshawk 11 model.30th May 1922West Wittering \ I \ May1922  Scan118
Goshawk II water outlet pipe design with three connections, referencing drawing LoC 1592.30th May 1922West Wittering \ I \ May1922  Scan119
Drawing No. LeC 1591 for a new pair of gears to alter the second speed ratio for the Goshawk II gearbox.31th May 1922West Wittering \ I \ May1922  Scan120
Approval of a blueprint for a Goshawk clutch spring and requesting three be sent.30th May 1922West Wittering \ I \ May1922  Scan121
Experimental solutions to prevent oil leaking from the Goshawk steering gear column.5th May 1922West Wittering \ I \ May1922  Scan122
Observed movement in the crankcase on its tubular fixing after a 10,000-mile test, questioning the design and proposing an alternative.11th May 1922West Wittering \ I \ May1922  Scan123
Failure of front springs on the Goshawk model during a 10,000-mile test.13th May 1922West Wittering \ I \ May1922  Scan124
Comparison of the Goshawk and 40/50 car models regarding power, performance and hill climbing.17th May 1922West Wittering \ I \ May1922  Scan125
Telegram about the availability of six Goshawk cylinder heads for Paris.18th May 1922West Wittering \ I \ May1922  Scan126
Car 69II's mileage and condition, with a request for spare parts.29th May 1922West Wittering \ I \ May1922  Scan127
Road tests concerning a loose rod, brake squeaking, and excessive oil consumption issues.29th May 1922West Wittering \ I \ May1922  Scan128
Report discussing Goshawk engine oil consumption, potential necessary repairs, and observations on tyre wear in different weather conditions.10th Dec 1920West Wittering \ I \ May1922  Scan129
Tyre wear, a 10,000-mile test on chassis 69H, and a proposal for a 20,000-mile test on chassis 59H to test improved components.30th May 1922West Wittering \ I \ May1922  Scan130
Comparative test measuring the velocity of air passing through the radiators on the 40/50 and Goshawk II engines.30th May 1922West Wittering \ I \ May1922  Scan131
Tests conducted on the Goshawk engine's cooling system to reduce water loss, with comparisons to the 40/50 model.30th May 1922West Wittering \ I \ May1922  Scan132
Comparison of overheating effects and warning signs between the 40/50 and Goshawk engines.30th May 1922West Wittering \ I \ May1922  Scan133
Cooling tests conducted on the Goshawk II engine, detailing water loss at full power with boiling coolant.1st May 1922West Wittering \ I \ May1922  Scan134
Note on the performance of the Goshawk engine during a boiling test.1st Jun 1928West Wittering \ I \ May1922  Scan135
The issues of creaking with Rudge-Whitworth wire wheels, comparing them to Dunlop wheels.1st Jan 1922West Wittering \ I \ May1922  Scan136
From E. to Hy. detailing Mr. Royce's instruction for all spanners to be single-ended and requesting samples of sheet steel spanners.10th Feb 1922West Wittering \ I \ October1922  Scan0
The manufacture of parts for a small spring testing apparatus.4th Oct 1922West Wittering \ I \ October1922  Scan1
Telegram regarding the quality and specifications of switchbox screws and spring washers.3rd Oct 1922West Wittering \ I \ October1922  Scan2
Modifying the Goshawk II switch-box to protect the magneto wire against unauthorised interference.3rd Oct 1922West Wittering \ I \ October1922  Scan3
Revised design for a Goshawk wheel carrier on the running board.14th Oct 1922West Wittering \ I \ October1922  Scan4
Telegram regarding testing a modification to an armoured car's air pump and camshaft drive to reduce gear and valve noise.28th Oct 1930West Wittering \ I \ October1922  Scan5
Requesting one set of parts be made for a spring testing apparatus, as per drawing No. LeC 1638.5th Oct 1922West Wittering \ I \ October1922  Scan6
New type of tyre carrier for the 40/50 chassis and Goshawk model.5th Oct 1922West Wittering \ I \ October1922  Scan7
Issues with the A.T. Speedometer flange on a Goshawk and proposing a solution.5th Oct 1922West Wittering \ I \ October1922  Scan8
Notice about alterations to the Goshawk 11 magneto wiring conduits and a modification to the securing clip.10th Oct 1922West Wittering \ I \ October1922  Scan9
The repositioning of the vacuum tank on a 40/50 chassis to avoid cutting the dashboard.5th Oct 1922West Wittering \ I \ October1922  Scan10
List of chassis spares with their corresponding weights.7th Oct 1922West Wittering \ I \ October1922  Scan11
The weight distribution of car bodies and passengers for various configurations.7th Oct 1922West Wittering \ I \ October1922  Scan12
Weight distribution table for 'Maximum' and 'Minimum' car configurations.7th Oct 1922West Wittering \ I \ October1922  Scan13
Proposal for car springing, with calculations for maximum and minimum spring loads.1st Oct 1922West Wittering \ I \ October1922  Scan14
Urgent request to order a new cylinder head for a 10.HP Fiat car.7th Oct 1922West Wittering \ I \ October1922  Scan15
Modifications to the Goshawk 11 luggage grid (X3524) suggested by Mr. Royce for manufacturing and material improvements.7th Oct 1922West Wittering \ I \ October1922  Scan16
Bijur starter motor pinion for the Goshawk 11 engine, referencing drawing Lec 1640.7th Oct 1922West Wittering \ I \ October1922  Scan17
Request for a 24-volt, 12-cell cutout with specifications for its mounting and terminals.9th Oct 1922West Wittering \ I \ October1922  Scan18
Failure of a silencer cutout design for the Goshawk 11 engine and proposing a new attempt.9th Oct 1922West Wittering \ I \ October1922  Scan19
Issues with imperfect springing on Goshawk cars and proposed corrective actions.9th Oct 1922West Wittering \ I \ October1922  Scan20
Revised scheme for the 'Stork' front axle radius rods, superseding a previous drawing.11th Oct 1922West Wittering \ I \ October1922  Scan21
Requesting the order of forgings for a 'Seagull' crankshaft, pending final design of the wheel case.12th Oct 1922West Wittering \ I \ October1922  Scan22
Return of a booklet on the Watson Stabilator, noting its superiority over Gabriel Snubbers.13th Oct 1922West Wittering \ I \ October1922  Scan23
Request to create and test a cutout component.14th Oct 1922West Wittering \ I \ October1922  Scan24
Performance issues and faults found on the No.6 Goshawk car.16th Oct 1922West Wittering \ I \ October1922  Scan25
The disappointment with the rough-acting starter on the Goshawk and the application of a Bijur automatic pinion scheme.18th Oct 1922West Wittering \ I \ October1922  Scan26
The revised 'Stork' pedal gear for pneumatic brakes or a new Servo system.19th Oct 1922West Wittering \ I \ October1922  Scan27
Requesting calculations and a review of the 'Seagull' starting motor particulars based on drawing LeC 1644.19th Oct 1922West Wittering \ I \ October1922  Scan28
Proposed adjustments to the cams, camshaft, and brake carrier hub for the four-wheel brake system.19th Oct 1922West Wittering \ I \ October1922  Scan29
Design standardisation and production of a set of spanners for Mr. Royce's inspection.21th Oct 1922West Wittering \ I \ October1922  Scan30
Alternative design for Goshawk 11 cylinder studs to prevent them from coming loose.26th Oct 1932West Wittering \ I \ October1922  Scan31
Design and standardization of a Goshawk sparking plug spanner.24th Oct 1922West Wittering \ I \ October1922  Scan32
Quality of Terry spanners and the decision to produce them as stampings.24th Oct 1922West Wittering \ I \ October1922  Scan33
Drawing modification for the Goshawk 11 carburetter to prevent the air valve disc from riding up, including a suggestion from Mr. Royce.24th Oct 1929West Wittering \ I \ October1922  Scan34
Telegram agreeing to the purchase of an Elverson oscilloscope.25th Oct 1922West Wittering \ I \ October1922  Scan35
Telegram received by telephone agreeing to the purchase of an E Dawsons Oscilloscope.26th Oct 1922West Wittering \ I \ October1922  Scan36
Inquiry about successful non-rotating rectifiers for charging chassis batteries with a small alternating current.27th Oct 1922West Wittering \ I \ October1922  Scan37
Modifications to the 40/50 front wheel brakes involving a new Goshawk type joint and steering adjustments.27th Oct 1922West Wittering \ I \ October1922  Scan38


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