Power & Performance
Those special qualities that separate one aircraft design from another. Performance specifications presented assume optimal operating conditions for the Blackburn B.90 Variable-Sweep Wing Jet Fighter Proposal.
2 x Armstrong Siddeley "Sapphire" Sa.4 afterburning turbojet engines developing 9,760lb of dry thrust each and 12,000lb of thrust each with reheat.
Propulsion
556 mph
895 kph | 483 kts
Max Speed
44,997 ft
13,715 m | 9 miles
Service Ceiling