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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).
Instructions and part list for the M.40 Test Rig concerning exhaust heated induction.

Identifier  ExFiles\Box 110\2\  scan0006
Date  27th June 1941
  
To HPS.{Horace Percy Smith - Experimental Factory Mgr} from Rm{William Robotham - Chief Engineer}/HH.
c. to Rm.{William Robotham - Chief Engineer}
c. to Rm{William Robotham - Chief Engineer}/OTS.
c. to Ev.{Ivan Evernden - coachwork}
c. to Ev{Ivan Evernden - coachwork}/JD.{J. Draper - Frames}

M.40 Test Rig.
Exhaust Heated Induction.
Sec.5000 - C'case & Cylinders.

Please receive herewith blue-
prints of the following new details issued in accordance with
Scheme PL.518 & 546:-
RE.2420 Crankcase & Cylinders.
RE.2516 Joint - Cyl. head to C'case.
RE.2561 Exhaust Manifold.
RE.2563 Stud - Exhaust Manifold.
RE.2564 Bob Weight - Flap Valve.
RE.2565 Spindle - Flap Valve.
RE.2566 Bush - Spindle.
RE.2567 Flap Valve - Lower Half.
RE.2568 " " - Upper "
RE.2569 Cover - Bi-metal Spring.
RE.2574 Joint - Hot Spot.
RE.2584 Stud - Cylinder Head.
RE.2596 LOP. Crankcase & Cylinders.
RE.2575 Joint Exhaust Manifold.

For Standard and existing pieces
required in addition to above new parts see LOP.RE.2596.

This completes the instructions
on Section 5000.

Rm{William Robotham - Chief Engineer}/HH.

N.B. The Bi-metal Spring for Flap Valve, will be supplied by Rm{William Robotham - Chief Engineer}/Wym.{G. Harold Whyman - Experimental Manager}
  
  


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