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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).
Scheme for a replenishing valve for the Wraith III chassis shock damper.

Identifier  ExFiles\Box 9\8\  08-page29
Date  6th January 1938
  
HPS.{Horace Percy Smith - Experimental Factory Mgr}
c. Rm.{William Robotham - Chief Engineer}
c. Rm{William Robotham - Chief Engineer}/Les.{Ivan A. Leslie}
642
BY/Ald.{F. Allwood - Experimental Design}16/G.6.1.38.

WRAITH 111. CHASSIS.
REPLENISHING VALVE FOR RR. SHOCK DAMPER - SECTION 7150.

As requested by memo Rm{William Robotham - Chief Engineer}/Les.1/JH.21.12.37. we have prepared a scheme to provide the RR. Shock Damper with large replenishing valves.

Accordingly, we forward you herewith one blue print of the following :-

S.CD.314 Replenishing Valve for Shock Damper.

The following parts have been detailed to suit, and attached are two blue prints of each (3 of part marked @) :-

@ EX.S.354 Piston for Shock Damper. 4 off.
EX.S.355 Spring for Piston - " 4 off.
EX.S.356 Bolt " " 4 off.

The following existing parts will also be required :-

EX.S.308 Spring for Replenishing Valve. 4 off.
EX.S.309 Ring " " " 4 off.
EX.S.310 Valve " " " 4 off.
EX.S.311 Washer for Replenishing Valve. 4 off.
K.4460 Washer for Replenishing Valve. 4 off.
KB.1803 Rivet " " 4 off.

The following parts will not be required :-

F.59293 Piston for Shock Damper. 4 off.
F.59285 Bolt for Piston. 4 off.
F.59278 Spring for Piston. 4 off.
F.59286 Spring for Replenishing Valve. 4 off.
K.4801 Taper Pin. 4 off.
.250 dia. Steel Balls. 4 off.

This completes the instruction for the above scheme.

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


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