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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).
On the unsatisfactory design of the 20 HP exhaust cutout and controls, citing wear and seizing issues.

Identifier  WestWitteringFiles\Q\2April1927-June1927\  124
Date  23th May 1927
  
To R.{Sir Henry Royce} from Hs{Lord Ernest Hives - Chair}/GWH.{George W. Hancock - Head Chateauroux}
c.c. to B.J. Wor.{Arthur Wormald - General Works Manager}
c.c. to E.{Mr Elliott - Chief Engineer} DA.{Bernard Day - Chassis Design}
c.c. to BY.{R.W. Bailey - Chief Engineer}

ORIGINAL

Hs{Lord Ernest Hives - Chair}/GWH{George W. Hancock - Head Chateauroux}2/LG23.5.27.

*20 HP*

X5490
X5240

EXHAUST CUTOUT AND CONTROLS.

We have not issued a standardisation sheet for these as we do not consider the present design is entirely satisfactory.

The cutout requires bringing up to date with the stop as designed for Phantom to prevent the seizing up experienced during the last 10,000 miles test.

The controls have become very worn at all the joints, producing rattles and lost movement.

We do not consider the pins and joints are of sufficient area to withstand wear due to mud and sand to which they are exposed.

Hs{Lord Ernest Hives - Chair}/G.W.Hancock.
  
  


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