Rolls-Royce Archives
         « Prev  Box Series  Next »        

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).
Specification revision document detailing parts removed and fitted for a Bentley engine unit.

Identifier  ExFiles\Box 124\2\  scan0215
Date  4th August 1940
  
1044
To Rm.{William Robotham - Chief Engineer} from HPS{Horace Percy Smith - Experimental Factory Mgr}/CP.
c. Rm{William Robotham - Chief Engineer}/Wym.{G. Harold Whyman - Experimental Manager}
c. Ev{Ivan Evernden - coachwork}/HH.

HPS{Horace Percy Smith - Experimental Factory Mgr}/CP.1/SW.4.8.40.

Bentley Chassis 9-B-V.{VIENNA}
Engine Unit B. 60 No.3

Specification of the above unit is revised as follows :-

Previous Specification.

Conn. Rods. LOP.EB.4190.
No.3 - EB.4190/1 Conn Rod & Cap With Big End Bearing AC.9 (Damaged through seizure).
Removed.

Pistons. LOP.EB.2833
All Pistons EB.3365 .015" oversize (.030 Down Bore) Complete with Rings & Gud. pins.
Removed.

EB.4067 Gasket.
Removed.

Oil Pipe, Inlet to "General" By-pass Filter. (Broken)
Removed.

Revised Specification.

New EB.4190/1 Conn Rod & Cap. New Big End Bearing AC.9. (Hole for cyl. bore extra oil NOT drilled).
Fitted to No.3

New EB.3365 Pistons. "Aerolite" Flush top. Complete with new Rings.
EB.4737 Compression.
EB.4738 L. Section.
EB.4739 Scraper
.015" oversize
New Gudgeon Pins.
Fitted.

New EB.4067 Gasket.
Fitted.

New Oil Pipe, Inlet to "General" By-pass Filter.
Fitted.

(continued)
  
  


Copyright Sustain 2025, All Rights Reserved.    whatever is rightly done, however humble, is noble
An unhandled error has occurred. Reload 🗙