Power & Performance
Those special qualities that separate one aircraft design from another. Performance specifications presented assume optimal operating conditions for the Saunders-Roe SR.177 Mixed-Powerplant Interceptor Proposal.
1 x de Havilland PS.50 "Gyron Junior" afterburning turbojet engines developing 14,000lb of thrust with 1 x de Havilland "Spectre" 5A liquid-fueled rocket booster developing an additional 10,000lb of thrust.
Propulsion
1,802 mph
2,900 kph | 1,566 kts
Max Speed
65,617 ft
20,000 m | 12 miles
Service Ceiling
60,000 ft/min
18,288 m/min
Rate-of-Climb