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 graph for a Goshawk Blower (144X) showing rig test results for pressure, efficiency, temperature rise, and horsepower against air flow.
| Identifier | ExFiles\Box 179b\3\ img356 | |
| Date | 4th March 1935 | |
| 2750 DELIVERY PRESSURE [LBS/SQ IN] EFFICIENCY % TEMP RISE °C HORSE POWER DEL. PRESS BLOWER EFF'Y BLOWER ONLY TEMP EFF'Y OVERALL EFF'Y GOSHAWK BLOWER 144X RIG TESTS CORRECTED TO- STANDARD BAR: 29.92 TEMP: 15°C DRY AIR TEST DATE: 26-1-35 DRIVE R.P.M: 2750 GEAR: 150/17 ROTOR R.P.M: 24270 TIP SPEED: 900 FT/SEC HORSE POWER TEMP RISE AIR FLOW [LBS/MIN] J/H 4-3-35 | ||