Original Bristol Boxkite:

* Crew: One or two – instructor & student
* Length: 38 ft 6 in (11.73 m)
* Wingspan: 46 ft 6 in (14.17 m)
* Height: 11 ft 0 in (3.61 m)
* Wing area: 517.0 sq ft (48.03 sq m)
* Empty weight: 900 lb (408 kg)
* Max takeoff weight: 1150 lb (522 kg)
* Engine: One Gnome rotary piston engine, 50 hp (37 kW)

Performance:

* Maximum speed: 40 mph (64 km/h)
* Wing loading: 2.22 lb/ sq ft (10.9 kg/sq m)

Project 2014 Bristol Military Boxkite Replica:

* Crew: One or two – pilot & passenger
* Length: 38 ft 6 in (11.73 m)
* Wingspan: 46 ft 6 in (14.17 m)
* Height: 11 ft 0 in (3.61 m)
* Wing area: 517.0 sq ft (48.03 sq m)
* Empty weight: 900 lb (408 kg)
* Max takeoff weight: 1150 lb (522 kg)
* Engine: One seven cylinder radial Rotec R2800 110hp (82kw)

Performance (Projected):

* Maximum speed: 40 mph (64 km/h)
* Wing loading: 2.22 lb/ sq ft (10.9 kg/sq m)