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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).
Trial of a starter from Scott, chain dimensions, and sprocket details.

Identifier  ExFiles\Box 61\2\  scan0073
Date  19th February 1920
  
R.R. 295A (100 T) (S.G. 643, 19-2-20) G.{Mr Griffiths - Chief Accountant / Mr Gnapp} 2613
Contd.
3.
Da{Bernard Day - Chassis Design}3/C61213

and is bolted to the oil retainer round the main shaft, all being strengthened up where necessary. The pull is about 350 or a possible maximum of 400 lbs.

I have submitted it to Mr. Scott and he has expressed his approval and agreed to the chain dimensions as being suitable. I tried to get in a silent chain, but could not do so without considerable alteration to existing gear.

The Scott people will let us have a starter for two months free of charge, for trial, and are sending one in when I will get it weighed and take other particulars for your information. I am now proceeding to make details of driven sprocket and fixing, if the general arrangement in any way meetswith your approval.

Da.{Bernard Day - Chassis Design}
  
  


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