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).
Using lap speeds at Brooklands track to establish comparative car speeds and check speedometer error.

Identifier  ExFiles\Box 18\4\  Scan028
Date  19th April 1933
  
W/S.

Cx.{Major Len W. Cox - Advertising Manager} from Hs.{Lord Ernest Hives - Chair}
c. Wor.{Arthur Wormald - General Works Manager}

X7960

Hs.{Lord Ernest Hives - Chair}9/KT.1914.33.

SPEED OF 20-MY.

Replying to Cx{Major Len W. Cox - Advertising Manager}18/KW13.4.33. We have established that the only way of judging comparative speeds of cars is the lap speed of Brooklands track. We strongly recommend that you take 20-MY on the track and check the lap speed which we expect will be about 86-88 m.p.h., and also check the speedometer error. We don't think that our speedometers give any greater errors than our competitors. We must have a recognised accurate method of comparing cars when discussing them amongst ourselves.

Hs.{Lord Ernest Hives - Chair}
  
  


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