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Water consumption dynamometer test comparing a Daimler against R.R. Car 1714.


Identifier  ExFiles\Box 78\3\  scan0042
Date  2nd May 1914 guessed
  
R.R. 148 (20 F CX {Major Len W. Cox - Advertising Manager} 710 LT G 599)

Water consumption tests taken on Dynamometer.
The water was kept constant at 70°C. The thermometer was in the top water pipe from engine to Radiator. Time is how long it took to pass 5 galls of water through the engine & to keep it at 70°C. Two readings were taken in each test, the result given is the mean, the difference in these two tests only amounted to 2 to 3 secs in the time. The thermometer varied between 69° & 71°C.
Daimler was fitted with R medium large Carb: worm axle, 4 x 6 Compression 75 lbs. 104 x 130 m {Mr Moon / Mr Moore} /m
R.R. Car 1714 C medium large Carb: Compression 64 lbs.
  
  
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).


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