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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).
Parts changes for the Wraith III chassis, specifically for the induction pipe and carburetter.

Identifier  ExFiles\Box 7\4\  X 608 Carburetter-page16
Date  21th January 1938
  
608
MEMO.
c. Rm.{William Robotham - Chief Engineer}
Rm{William Robotham - Chief Engineer}/GTS.
BY/Ald.{F. Allwood - Experimental Design}8/G.21.1.38.

WRAITH III. CHASSIS.
INDUCTION PIPE - SECTION 5070.
CARBURETTER - SECTION 5080.

Please receive herewith two blueprints of the following, with an extra print of part marked * :-

S.CD.417 Induction Pipe.

SECTION 5070.
*Ex.S.368 Induction Pipe - 1 off.
Ex.S.369 Flow Tube - Short. 1 off.
Ex.S.370 Flow Tube Long. 1 off.

The following existing part will also be required :-

SECTION 5080.
E.53287 Pin for Throttle Control Spring. 1 off.

The following parts will not be required :-

SECTION 5070.
EW.1557 Induction Pipe. 1 off.

SECTION 5080.
E.53289 Pin for Throttle Control Spring. 1 off.

Attached to Rm{William Robotham - Chief Engineer}/CTS{C. Trot Salt - Carburation}'s copy of this memo is one blueprint of S.CD.417.

The above are based on the sketch Rm.{William Robotham - Chief Engineer}489 issued to us with memo Rm{William Robotham - Chief Engineer}/CTS.{C. Trot Salt - Carburation}1/MH.{M. Huckerby}8.1.38.

Kindly instruct one set.

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


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