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 of altitude power curves comparing a Goshawk I blower on a standard Kestrel with a standard 1932 Kestrel S engine.
| Identifier | ExFiles\Box 179b\2\ img084 | |
| Date | 10th November 1932 guessed | |
| ALTITUDE POWER CURVES FOR GOS. I BLOWER ON STD. KESTREL COMPARED WITH STD 1932 KES. 'S'. 341F C/B.H.P. Altit. Ft. Gos. I Take Off Power 1.25 Lbs Boost 2200 RPM Gos. I Blower 2500 RPM 11,500 Ft Kes 'S' 2700 R.P.M. Boost -1/4 LBS/口'' STD KES 'S' TAKE OFF POWER 1.75 Boost 2350 RPM Kes 'S' 2350 R.P.M. | ||