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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).
Testing an E.A.C. gravity clutch plate and a proposed modification.

Identifier  WestWitteringFiles\L\2April1924-June1924\  Scan85
Date  20th May 1924
  
R.R. 493A (20H) (D.A. 652 20-3-24) J.H.D.
EXPERIMENTAL REPORT.
ORIGINAL
Expl. No. 49301
REF: HsS/LG20.5.24.

To R.{Sir Henry Royce} from Hs.{Lord Ernest Hives - Chair}
C. to CJ. RG.{Mr Rowledge}
C. to DA.{Bernard Day - Chassis Design} E.{Mr Elliott - Chief Engineer}
C. to BY.{R.W. Bailey - Chief Engineer} WByr

S E C R E T.

E.A.C. CLUTCH.

49301

We have tested the original type gravity clutch plate sent through for this clutch in order to make it stop more readily. At the same time we ground the ball races so that they would allow the joint to float.

We find that the clutch still does not stop definitely. We are therefore fixing a spring inside the clutch as suggested by you.

Hs.{Lord Ernest Hives - Chair}
  
  


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