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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).
New arrangement of high tension wire with the coil close to the distributor.

Identifier  ExFiles\Box 172\3\  img022
Date  20th January 1920
  
R R 235/100 T/RP S&P 6.8.19. O.{Mr Oldham} 7460.

COPY

Hs{Lord Ernest Hives - Chair}6/LG20.1.20.

To Ck.{Mr Clark} from Hs.{Lord Ernest Hives - Chair}
c. to Bn.{W.O. Bentley / Mr Barrington}
c. to Da.{Bernard Day - Chassis Design}
S

RE NEW ARRANGEMENT OF HIGH TENSION WIRE
WITH COIL CLOSE TO DISTRIBUTOR.

We have had three cars running with this arrange-
ment of ignition - 1 EX, 2 EX and 49-GB. Although we
have not been able to appreciate any distinct gain with
this arrangement we have found no disadvantage in it
compared with the standard arrangement. We recommend that
to carry the high tension wires a black fibre tube should
be used. We have this arrangement now on 49-GB except
that it is red fibre instead of black fibre. During our
last visit to Mr. Royce we shewed him the fibre tube and
he made no comment which would lead us to believe that we
would prefer the wooden trough. The only comment he made
was that the wires (in connection with the scheme on 49-GB
should be taped where they leave the tube going to the coil.

Hs.{Lord Ernest Hives - Chair}
  
  


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