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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).
Instructions regarding magneto performance, timing, and primary gap variation.

Identifier  ExFiles\Box 65\3\  scan0172
Date  20th January 1928 guessed
  
ROLLS-ROYCE LTD.
INSTRUCTIONS.

To
Order No.
Customer's No.

performance on the leaky gap would be considerably better.
The low speed performance is particularly good.
This magneto does not appear to have the slow make cams fitted as the timing of make only shows an average variation of 3 1/2° with an increase or decrease of .004" in the primary gap.
This as we have previously pointed out to messrs North's could be 10° or more.

Signed H.E.W.

This Sheet must be filed on completion of the work.

RR 238 (150 BKS.) (DB{Donald Bastow - Suspensions} 481-8-12 24) MP 306975
  
  


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