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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 required for the M.40 Test Rig's rear brakes, including a list of parts to be supplied.

Identifier  ExFiles\Box 109\3\  scan0192
Date  20th August 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 Ev.{Ivan Evernden - coachwork}
c. to Rm{William Robotham - Chief Engineer}/MHR.{M. H. Rigby}
c. to Ev{Ivan Evernden - coachwork}/DB.{Donald Bastow - Suspensions}

700

Rm{William Robotham - Chief Engineer}/HH.3/SW.20.8.41.

M.40 Test Rig.
Rear Brakes.

PL.372 - Rear Brakes and Axle.
PL.439 - Rear Brake Linkage & Equaliser.

Please receive herewith two blue-prints of machine details and three of castings, forgings, pressings and bought out parts, which have been detailed in accordance with the above schemes and an L.O.P. compiled for this section :-

RG.{Mr Rowledge}2199) Shim - Rear Axle Tube Flange 2 sets
RG.{Mr Rowledge}2200) to suit.
RG.{Mr Rowledge}2201)
RG.{Mr Rowledge}2202)
RG.{Mr Rowledge}2203 Shoe Steady 4 Off
RG.{Mr Rowledge}2204 Oil Seal Housing 2 "
RG.{Mr Rowledge}2205 Rear Brake Carrier Plate 2 "
RG.{Mr Rowledge}2206 Dust Cover 2 "
RG.{Mr Rowledge}2349 7/8" Cylinder 2 "
RG.{Mr Rowledge}2350 7/8" Cylinder & Bisector 2 "
RG.{Mr Rowledge}2752 Spring - Brake Shoe 4 "
RG.{Mr Rowledge}2753 Brake Shoe 4 "
RG.{Mr Rowledge}2352 L.O.P. Rear Brakes.
RG.{Mr Rowledge}2754 Lining - Brake Shoe. 4 "
Please note that Rm{William Robotham - Chief Engineer}/MHR.{M. H. Rigby} will supply :-

RG.{Mr Rowledge}2349 7/8" Cylinder
RG.{Mr Rowledge}2350 7/8" Cylinder & Bisector.
RG.{Mr Rowledge}2752 Spring - Brake Shoe
RG.{Mr Rowledge}2753 Brake Shoe
RG.{Mr Rowledge}2754 Lining - Brake Shoe.

Prints of these are attached to Rm{William Robotham - Chief Engineer}/MHR{M. H. Rigby}'s copy of this memo. Will he please supply us with information regarding the material of RG.{Mr Rowledge}2754.

-continued over-
  
  


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