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).
Comparison table of specifications for various types of steering gear.

Identifier  ExFiles\Box 28\3\  Scan081
Date  7th January 1935
  
-2-
Hs{Lord Ernest Hives - Chair}/H.12/KW.7.1.35.

Type of Steering Gear | R.R. | Marles 15/1 | Marles 17.5/1 | Marles 20.5/1
Lock to Lock Ratio Stg. Wheel to Road Wheels. | 11.9/1 | 12.8/1 | 12.2/1 | 12.95/1 | 14.3/1 | 15.3/1 | 16.5/1 | 17.7/1
S.S. Tube Movement each way. | 0.350 | 0.250 | 0.350 | - | 0.350 | 0.350 | 0.350 | 0.350
S.S. Tube set up Load lbs. | 40 | 40 | 40 | - | 40 | 40 | 40 | 40
S.S. Tube Spring Rating lbs/ins. | 820 | 985 | 820 | - | 820 | 820 | 820 | 820

Hs{Lord Ernest Hives - Chair}/F.J.Hardy.
  
  


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