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Proposed chassis and engine specifications for the 15,000 Miles Bentley.


Identifier  ExFiles\Box 83\1\  scan0299
Date  20th November 1936
  
200a

Sg. {Arthur F. Sidgreaves - MD} from Rm. {William Robotham - Chief Engineer}
C.
Hs. {Lord Ernest Hives - Chair}
E. {Mr Elliott - Chief Engineer}
By. {R.W. Bailey - Chief Engineer}
Da. {Bernard Day - Chassis Design}

Rm. {William Robotham - Chief Engineer} 5/R.20.11.36.

6-B-IV 15,000 Miles Bentley.

The following is the proposed specification for this car. It will go to France as soon as we have fitted the bearings to the engine:-

CHASSIS.

(1) Girling type brake system.
(2) Light alloy drums.
(3) Petrol pumps with new diaphragm and silencing washers, also new switch.
(4) Final design of lightened rear petrol tank with stone guard.
(5) Wide rim wheels and 6 x 17 tyres to give greater stability.
(6) Ventilated Clutch.
(7) Improved wheel drivers.
(8) Clutch modified to give improved take up.
(9) Engine with raised front end mounting.

ENGINE.

(1) Deturbulated cylinder head with improved output to be followed up by similar head to design drawings.
(2) R.R. 56 Connecting rod bearings. Hoyt's white metal mains.
(3) Strengthened exhaust valves.
(4) Improved oil feed to big ends.
  
  
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).


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