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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).
Part number changes and experimental fitting of mudwings for a 20-HP chassis.

Identifier  ExFiles\Box 107\4\  scan0162
Date  12th August 1927
  
C. Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer}
45390
BY/HEB{H. Biraben}/12/M.12.8.27.

20-HP. CHASSIS.

MUDWINGS - SEC:7001.

Further to our memos' BY/HEB{H. Biraben}5/ML.5.8.27, and BY/HEB{H. Biraben}6/ML.3.8.27, by which we issued the Special parts required for Side and Rear Spare Wheel Carriers and Luggage Grid when fitting Dunlop 31 x 6 Cord Balloon (Buttressed)Tyres with 19" Rims, on 20-HP Chassis, please receive herewith one Blue Print of each of the following:-

F.55177 Front Mudwing(Off Side). 1 off per chassis.
F.55178 " " (Near Side). 1 " " "
F.55179 Dripper for Front Mudwing(OS).1 " " "
F.55180 " " " " (NS{Norman Scott}).1 " " "

Kindly instruct for the above to be produced and fitted Experimentally in place of the following, noting that the Wing Top is lowered 1.000, and the radii of the Wing are reduced in proportion to the difference in Tyre Diameters.-

F.54640 Front Mudwing (Off Side). 1 off per chassis.
F.54641 " " (Near Side). 1 " " "
F.51457 Dripper for Front Mudwing(O.S.) 1 " " "
F.51458 " " " " (N.S.) 1 " " "

The modified Wing Stays and Steering Lock corrections are in hand and will be issued as soon as possible.

BY/HEB{H. Biraben} HEB{H. Biraben}
  
  


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