Rolls-Royce Archives
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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).
Classification of tests for various vehicle components and conditions.

Identifier  ExFiles\Box 29\1\  Scan104
Date  8th October 1925 guessed
  
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(6) CLASSIFICATION OF TESTS.

A.{Mr Adams} The road. Nature of the ground. { (Level and dry surface. (Level and damp surface. (Irregular surface, holes (etc.
Direction of car. { (Straight. (Negotiating a corner. (Climbing or descending.

B. The tyre. Influence of age. { (Old tyre. (New tyre.
Influence of pressure (.5 to 3 klgs. per c.m.
Influence of shape and section.

C. The wheel. Influence of shape.
" " rim.
" " weight.

D.{John DeLooze - Company Secretary} The steering. Play.
Castoring and anti-castoring.
Angle between tyre and the vertical.
Inclination of pivots.
The track.
Steering lock (pivots axises, articulation of steering reduction, levers, steering box.)
Toe-in of the wheels.
Wheel brake drums.

E: Springs. Flexibility.
Shock absorbers.
Position of the 3-point suspensions.
Suppression of the springs.

F.{Mr Friese} The chassis. Weight.
Rear portion of the chassis.

G.{Mr Griffiths - Chief Accountant / Mr Gnapp} Unsymmetrical disposition of load. One comfort tyre and one cable.
One blocked up spring.

H.{Arthur M. Hanbury - Head Complaints} Out of balance of the wheels.

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