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).
Performance graphs comparing Leather Piston and Petrol Pump Diaphragm types.

Identifier  ExFiles\Box 179b\2\  img229
Date  14th December 1932
  
HS{Lord Ernest Hives - Chair} 795
J III REAR 40/40 Lb NS{Norman Scott} 3497 LEATHER PISTON TYPE
1" STROKE
BALL PIN LOAD LB
EXTERNAL PRESS LB/D'
540 R.P.M.
360 R.P.M.
180 R.P.M.
90 R.P.M.
CUP LEATHER
PETROL PUMP DIAPHRAGM TYPE
1" STROKE
BALL PIN LOAD LBS
EXTERNAL PRESS LBS/D'
540 R.P.M = 1.5 FT/SEC
360 R.P.M = 1.0 FT/SEC
180 R.P.M = .5 FT/SEC
90 R.P.M. = .25 FT/SEC
BURSTING PRESS 250 LBS/D'
BLADDER AND AC. FABRIC
  
  


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