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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).
Request to redesign noisy bearings and a blower fan for an experimental car heater.

Identifier  ExFiles\Box 137\2\  scan0012
Date  3rd February 1938
  
To By/Ald.{F. Allwood - Experimental Design} from Rm{William Robotham - Chief Engineer}/Std. 1158

Rm{William Robotham - Chief Engineer}/Std.8/MH.{M. Huckerby}3.2.38.

CAR HEATER - SCD.221.

We have tested out an experimental car heater to SCD.221 and find that the bearings are very noisy. Will you please scheme and detail a plain bearing using plastic material similar to that used for gear blanks and making the minimum necessary alterations to the heater. Will you also please detail a blower fan similar to that fitted to the heater but fitted with a hub and grub-screw so that it is detachable.

Rm{William Robotham - Chief Engineer}/Std.
  
  


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