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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).
Blueprint showing graphs of rear axle motion experiments for a Phantom 98 N.K. vehicle.

Identifier  ExFiles\Box 17\1\  Scan075
Date  25th November 1931
  
SHEET 2.
REAR AXLE MOTION EXPERIMENTS.
PHANTOM 98 N.K.
BURTON ROAD. RAILWAY LEVEL CROSSING.
COMING IN TOWARDS DERBY.
23 M.P.H.
x 4.12
x 5.34
NO DAMPERS
HARTFORDS ONLY
SET AT 40 LBS.
35 M.P.H.
x 8.88
NO DAMPERS
HARTFORDS ONLY
SET AT 40 LBS.
BURTON RD. HUMP-BACK BRIDGE.
M.P.H.
GOING OUT FROM DERBY.
ALL x 11.6
35
AXLE HEAVILY DAMPED.
NO SHOCK ABSORBERS.
40
HEAVY DAMPING.
COMING IN TOWARDS DERBY.
35
HEAVY DAMPING.
NO SHOCK ABSORBERS.
25 NOV 31
TSN. 29.10.28.
  
  


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