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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).
Experimental project to modify a crankshaft to give improved bearing area.

Identifier  ExFiles\Box 93\5\  scan0138
Date  15th July 1937
  
1020. 317.
EXPERIMENTAL PROJECT - CHASSIS
DATE 15/7/37
DESCRIPTION: Crankshaft to give improved bearing area Sg{Arthur F. Sidgreaves - MD} 2S/E 14.7.37. leC. 575d
PURPOSE: To improve the P.III bearing area
NEW OR MODIFIED APPARATUS REQUIRED: Made of existing crank forging & existing crankcase. New rod forgings required.
COST
TACKLE (EJJ)
EXPTL UNIT (G/Rb.{R. Bowen})
3 MONTHS( DEVPT.G/Rb{R. Bowen})
APPLICATION MADE BY: W.A.Robotham
REMARKS:
By.{R.W. Bailey - Chief Engineer} agreed By
Completion date for designs
Rm.{William Robotham - Chief Engineer} We hope to run this on the 15000 miles test of the continental P.III
Hs.{Lord Ernest Hives - Chair} H did not agree.
O/No. for manufacture
O/No. for development
  
  


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