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).
Comparative table of aerodynamic resistance data for various competitor cars.

Identifier  ExFiles\Box 161\1\  scan0196
Date  20th September 1938
  
AERODYNAMIC RESISTANCE.
OTHER CARS

CAR :-
CAPACITY IN C.C.M.S
H.P. AT LAP SPEEDS
LAP SPEEDS MPH
FRONTAL AREA SQ.FT.
WGT TONS
ACTUAL "K"
ACTUAL Cx{Major Len W. Cox - Advertising Manager}
K TUNNEL FLAT PLATE
K TUNNEL REFLEX
REMARKS.

PACKARD 6 LIGHT SALOON | 4620 | 72.0 | 81.0 | 26.40 | 1.72 | .00178 | .695
OLDSMOBILE 6 LIGH SALOON | 3760 | 57.5 | 77.0 | 25.60 | 1.70 | .00168 | .656
FORD V8. SALOON | 3620 | 58.0 | 81.6 | 23.80 | 1.51 | .00150 | .586
JAGUAR SALOON 3 1/2L | 3485 | 77.0 | 84.0 | 23.60 | 1.75 | .00187 | .730

DELAGE (LABORDETTE) | | | | | | .000562 | .220
PEUGEOT CARÉNÉ (ANDREAU) | | | | | | .000716 | .280

ROLLS-ROYCE, LTD
PRINT ROOM
SEP 22 1938
DERBY.
  
  


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