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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).
Phantom II exhaust heated induction system and a related silencer design.

Identifier  WestWitteringFiles\V\October1930-February1931\  Scan273
Date  1st February 1930
  
HS.{Lord Ernest Hives - Chair} FROM E.{Mr Elliott - Chief Engineer}
ORIGINAL
E1/M1.2.30.

C to SC B (hold up)
C to WOP by Div

x7230.
x7910
x7070

PHANTOM 2. EXHAUST HEATED JACKET INDUCTION SYSTEM - HS{Lord Ernest Hives - Chair}/AJL1/MJ30130.

We are glad you find our malleable iron feed pipe effective in curing the chirp with the simple form of induction pipe jacket.

We prefer not to use any more features in the jacket than are necessary.

Regarding the silencer N. sch. 3004., this was made less bulky and simpler than the experimental one, and with the minimum of welding on it so as to be easy to produce.

It is bound to require some development work, but we ought to persevere with it even if the experimental type is used for the time being.

E.{Mr Elliott - Chief Engineer}
  
  


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