One of the subsequent variants of the Bristol Pegasus engine from 1932, designed by Roy Fedden. It was used to power Short Sunderland and Vickers Wellesley aircraft.
| Configuration | 9-cylinder radial |
| Cooling | air |
| Compression ratio | 6.5 |
| Propeller reduction | 0.5 |
| Displacement | 28.7 l |
| Weight | 470 kg |
| Maximum power | 925 hp at 2600 rpm |
| Rated power | 835 hp at 2250 rpm |