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. | ||