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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).
Test and modification notes for a Ben Sports Petrol Pump from a B.N°4 chassis.

Identifier  ExFiles\Box 27a\2\  Scan180
Date  2nd June 1933
  
Ben Sports Petrol Pump
The Pump was taken from B.N°4 Chassis.
Tested with Full Suction System Modelled as on Chassis and with a .312" Dia Delivery Pipe 13' head
The Pump Head was Modified as Follows
∴ Valve Clearance .100" [Previous = .060]
All Parts in Pump Head opened out to .312" Dia Including Valve Seats
Stronger Spring Giving Max Pressure of 4lbs/□".
.312" Delivery Pipe
Round Valve on Delivery Side? Valve Dia .475.
Both Sides }
  
  


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