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 of Engine R.P.M. versus Road Speed for a 1927 New Safety Stutz 8-cylinder car.

Identifier  ExFiles\Box 23\5\  Scan056
Date  24th March 1927
  
NEW SAFETY STUTZ (1927). 8 CYLINDER.
ENGINE R.P.M. For ROAD SPEED.
EFFECTIVE CIRCUMFERENCE OF ROAD WHEEL AT 35 Lbs/sq. in. PRESSURE = 98".
GOODRICH SILVERTOWN 32x6.20" TYRES FITTED.
GEAR RATIOS:-
TOP GEAR 4.75 : 1
1ST GEAR 15.29 : 1
2ND GEAR 7.96 : 1
REVERSE 18.02 : 1
ROAD SPEED M.P.H.
ENGINE R.P.M.
TOP GEAR
2ND GEAR
1ST GEAR
REVERSE
H.L.
  
  


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