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 plotting thrust curves against fan speed for seven different engine fan configurations and a ventilator fan.

Identifier  Morton\M8\  img010
Date  20th November 1924
  
THRUST-FAN SPEED CURVES
OF
VARIOUS FANS (SET B)

1. STD 40/50 6 BLADE FAN (22" DIA)
2. STD 40/50 FAN WITH 3 BLADES REMOVED.
3. E.A.C. 4 BLADED FAN. (23" DIA)
4. HISPANO-SUIZA FAN. (17 1/2" DIA)
5. HIGH SPEED 6 BLADE FAN. (22" DIA)
6. HIGH SPEED FAN WITH 3 BLADES REMOVED.
7. GOSHAWK FAN. (18" DIA)

AXIS LABELS:
Vertical Axis: THRUST
Horizontal Axis: FAN SPEED (R.P.M.)

ANNOTATIONS:
Top right corner: B.
On graph curve: VENTILATOR FAN
Bottom right corner: H.F.W 20-11-24 H.S.C.
  
  


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