Rolls-Royce Archives
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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).
Graph of petrol pump performance showing delivery rates at various pump speeds and spring configurations.

Identifier  ExFiles\Box 17\5\  Scan082
Date  23th September 1931
  
PII PETROL PUMP. LEC 2907/9.
STD: TANK, PIPES, & PETROL. PUMP TO ENGINE R.P.M. = 0.5 TO 1
PRESSURES GIVEN IN GRAPH ARE DELIVERY PRESSURES.

Y-AXIS: DELIVERY PTS/HR.
X-AXIS: PUMP SPEED R.P.M.

Graph Legend:

0 LB/□" { UPPER SPRING REMOVED. (DIRECT LIFT)
1 LB/□" { LOWER SPRING 20LB.

0 LB/□" { UPPER SPRING 14LB.
{ LOWER " 20 "

0 LB/□" { UPPER SPRING 3.5 LB.
{ LOWER " 20 "

0 LB/□" { STANDARD SPRINGS.
1 LB/□" { UPPER 3.5LB. LOWER 10LB.
  
  


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