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).
Three performance graphs for a 90/90 lb 2-inch stroke low-pressure engine under various temperature conditions.

Identifier  ExFiles\Box 179b\2\  img099
Date  18th October 1932 guessed
  
Graph 10:
90/90 LB. 2" STROKE. LOW PRESS.
COLD - 25°C
ATMOSPHERIC INLET ON EACH SIDE OF "HAT"
B.P. LOAD 140 LB DROPPING TO 110 LB
.250 HAT .005 CLEARANCE
Y-Axis: 308 LBS/sq"
X-Axis: 120' I.S.
R.P.M: 360, 260, 180, 90

Graph 11:
90/90 LB. 2" STROKE. LOW PRESS
60°C
ATMOSPHERIC INLET ON EACH SIDE OF "HAT"
Y-Axis: 308 LBS/sq"
X-Axis: 120' I.S.
R.P.M: 360, 260, 180, 90

Graph 12:
90/90 LB. 2" STROKE LOW PRESS.
AFTER RE-COOLING
ATMOSPHERIC INLET ON EACH SIDE OF "HAT"
Y-Axis: 308 LBS/sq"
X-Axis: 120' I.S.
R.P.M: 360, 260, 180, 90
  
  


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