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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).
Lighter and stiffer flywheel modifications for Phantom experiments.

Identifier  ExFiles\Box 13\7\  07-page090
Date  23th February 1931
  
V1300
HS.{Lord Ernest Hives - Chair} E.{Mr Elliott - Chief Engineer} )FROM R.{Sir Henry Royce}
BY.{R.W. Bailey - Chief Engineer} ) (At Le CanadelHenry Royce's French residence.)
R3/M23.2.31. X.634.
X.7300
c. to SG.{Arthur F. Sidgreaves - MD} WOR.{Arthur Wormald - General Works Manager} LIGHTER & STIFFER
FLYWHEEL FOR PHANTOM EXPERIMENTS.

MR. Grills says in his memo. that they proposed
placing the flywheel further from the disturbing influence.
I cannot see how you can do this - surely not more overhang?
I have expected for a long time that you would
have had a flywheel like the 25HP:
(1) Lighter in overhanging parts (should put up period
and reduce intensity.)
(2) Stiffer in flange and back plate.
If this makes no change then one would think it
was crankchamber deflection.
I have telegraphed this for weeks, expecting some
news every day, but still there is no stiffer flywheel for P. 2


R.{Sir Henry Royce}
  
  


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