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).
Graph showing the mechanical efficiency of a Marles Type L.7 steering gear.

Identifier  ExFiles\Box 28\3\  Scan062
Date  13th November 1934
  
HS{Lord Ernest Hives - Chair} 1605
MECHANICAL EFFICIENCY OF MARLES TYPE L.7
STEERING GEAR
FIGURES TAKEN AFTER GEAR HAD BEEN RUN FOR
7 HOURS ON RIG
MID POSITION RATIO - 7:1
PEND LEVER - 10.15
Helix Angle 10 2°
STATIC EFFICIENCY IN MID. POSITION
LOAD AT END OF PENDULUM LEVER LBS
MOBILOIL D
MARLES OIL
F/3/H 13/11/34
  
  


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