Power & Performance
Those special qualities that separate one aircraft design from another. Performance specifications presented assume optimal operating conditions for the de Havilland DH.117 Mach 2 High-Altitude Interceptor Proposal.
2 x de Havilland Gyron Junior afterburning (reheat) turbojet engines developing 12,000lb of thrust with 1 x Spectre Spe.5 rocket booster developing 10,000lb of additional thrust.
Propulsion
1,802 mph
2,900 kph | 1,566 kts
Max Speed
60,039 ft
18,300 m | 11 miles
Service Ceiling
621 miles
1,000 km | 540 nm
Operational Range
36,800 ft/min
11,217 m/min
Rate-of-Climb