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).
Telegram discussing high-speed misfiring issues with ceramic and mica plugs, and recommending AC type K4 plugs.

Identifier  ExFiles\Box 174\2\  img048
Date  24th September 1927
  
ROLLS-ROYCE LTD.
TELEGRAM RECEIVED BY TELEPHONE.

Time Received: 10.15
Date: 24 9 27
To: Royces
By: MW.
from: Detroit Michigan NLT 22nd 55

MESSAGE:
Hives trouble on ceramic plugs mostly follow our high speed mis-firing on mica manufacturer stop Intervalve champion plugs by measurement bursts of speed stop Improvement obtained by running plug 22 near out ignition as possible stop Re trico drivers Cadillacs recommend AC type K4 stop higher stome fuel definitely

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THIS SHEET MUST BE FILED.
  
  


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