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).
Engine variants 'Ripple', 'Ripplet', and 'Rippletto' for the 'WISP' project.

Identifier  ExFiles\Box 118\1\  scan0316
Date  5th November 1940 guessed
  
Ripple - Bailey Sn.{Mr Sanderson} alum engine - 6 cyl
Ripplet - B60 - Cast Iron - 6 cyl.
Rippletto - B40 - Cast iron - 4 cyl.
all have B.S. body.
Dash to front wheels. reduced firstly
by change BH Unit to B60 Unit.
& secondly by take 2 cyl off the B60
to make B40.
WISP
98E
  
  


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