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).
Table outlining potential speed increases from various car alterations.

Identifier  ExFiles\Box 29\3\  Scan163
Date  27th October 1927 guessed
  
POSSIBILITIES OF
TRUE FOR A LARGE CAR WITH 100 HP ENGINE AND NORMAL SPEED TOURING CAR 75 M.P.H.

ALTERATION TO CAR
INCREASE IN SPEED M.P.H.

REMOVING FRONT WINGS COMPLETELY | 6 M.P.H.
INCREASING B.H.P. OF CAR BY 25 HP. ON SPORTS BODY | 3.5 M.P.H.
CAREFULLY DESIGNED FLARED WINGS | 3 M.P.H.
FITTING STREAMLINE TAIL | 2.5 M.P.H.
GENERAL BODY DESIGN NO RUNNING BOARDS, VSCREEN, WHEELS IN TAIL ETC. | 2.5 M.P.H.
INCREASING AXLE RATIO 7% | 2 M.P.H.
COMPLETE UNDERSHIELD | M.P.H.
BONNET VENTILATION | M.P.H.
  
  


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