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).
Specifications and test results for a High Lift S.U. Petrol Pump to be fitted to model 35-EX.

Identifier  ExFiles\Box 149\1\  scan0305
Date  12th September 1936
  
X1263

To Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer}

Hs{Lord Ernest Hives - Chair}/JBD.{John B. Dixon - Fuel Systems}&/JH.12.9.36.

The High Lift S.U. Petrol Pump - to be fitted to 35-EX.

PA{Mr Paterson} 3

The pump is fitted with a standard flat base body having larger magnet pits and springs.

The diaphragms are of G3 material.

Brass delivery and suction valves with new retaining clips.

Silencing buffers behind the armature 1/32" thick.

The pump was tested with a filter and pipe lengths as in the chassis.

Suction head. Pressure head. Delivery pts. per/hour.
(a) 30" 48" 184
(b) 30" 36" 191
(c) 5" 22" 240

(a) Represents the car on a 1 in 3.5 gradient.
(c) " " " on the level.

The carburetter was tried 6" below the pump and showed no signs of flooding.

Hs{Lord Ernest Hives - Chair}/J.B.Dixon.
  
  


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