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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).
New drawings and required standard parts for the Wraith shock dampers.

Identifier  ExFiles\Box 9\7\  07-page174
Date  27th June 1938
  
HPS.{Horace Percy Smith - Experimental Factory Mgr}
c. Rm.{William Robotham - Chief Engineer}
c. Rm{William Robotham - Chief Engineer}/FJH.{Fred J. Hardy - Chief Dev. Engineer}
bfr 650
BY/Ald.{F. Allwood - Experimental Design}6/G.27.6.38.

WRAITH.
SHOCK DAMPERS. SECTION 7160.

Please receive herewith two blueprints of the following new drawings :-

Ex.S.827 Joint 2 off.
Ex.S.828 End Piece - Valve Block. 2 ""
Ex.S.829 Valve Block. 2 off.

The following standard parts will also be required.-

GW.1552 Spring 4 off.
K.2807 Countersunk Screw. 8 off.
.250 Dia. Steel Ball 4 off.

These pieces are in accordance with memo Rm{William Robotham - Chief Engineer}/FJH.{Fred J. Hardy - Chief Dev. Engineer}8/R.{Sir Henry Royce} 3.6.38. and are to be used with the standard Wraith. Damper casing and the Bentley valve as shown on S.CD.429 issued under our memo BY/Ald.{F. Allwood - Experimental Design}11/G.18.2.38.

Kindly instruct one set.

Ald{F. Allwood - Experimental Design}
BY/Ald.{F. Allwood - Experimental Design}
  
  


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