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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).
List of special features to be incorporated into a Bentley-Ulster T.T. race car.

Identifier  ExFiles\Box 90a\2\  Scan048
Date  19th June 1934
  
To Sg.{Arthur F. Sidgreaves - MD} from E/Lid.{A. J. Lidsey}
c.c. for. Hs.{Lord Ernest Hives - Chair}

E/Lid.{A. J. Lidsey}1/HP.19.6.34.

Handwritten: Wings & wing stays

re Bentley-Ulster T.T.

We give herewith as requested a list of the special features which will be incorporated in this car:-

Petrol Tank etc.
Larger capacity than standard, i.e. 26 galls. Larger diameter filler with quick release cap in new position on the tank.
New petrol gauge because of larger tank. Strengthened petrol tank fixing to cater for the increased weight.
Possibly a stone guard will be required for the petrol tank.
Reserve petrol tap control on the instrument board.
Handwritten: EXISTING TANK TO BE FITTED TO B35 A.E.

Radiator.
Stone guard in front of shutters.
Handwritten: FITTED BY US N.Sch 3706 shews bolt through Scarpold.

Extra engine oil tank,
with provision for replenishing the engine sump from the extra tank whilst the car is in motion.

Valve spring holding down tool
- to enable valve springs to be changed quickly in the event of failure.

Engine.
Handwritten: Standard
Lead bronze bearings. Handwritten: Bigends only.
Special camshaft for increased power
Aerolite pistons.
Special cylinder head giving a compression ratio of 7.35 to 1.

Gearbox.
special gearbox with ratios to suit racing conditions; this involves a slightly modified gearbox casting, new gears and one special bearing.
Handwritten: Alternative with no external mod N Sch 4123

Rear brake adjustment
- Special in order to be quickly accessible. Handwritten: Inspect for accessibility
  
  


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