Power & Performance
Those special qualities that separate one aircraft design from another. Performance specifications presented assume optimal operating conditions for the Boeing XB-39 Heavy Strategic Bomber Prototype Aircraft.
4 x Allison V-3420-11 W24 liquid-cooled engines developing 2,100 horsepower each.
Propulsion
404 mph
650 kph | 351 kts
Max Speed
36,089 ft
11,000 m | 7 miles
Service Ceiling
6,251 miles
10,060 km | 5,432 nm
Operational Range
1,000 ft/min
305 m/min
Rate-of-Climb