A 1923 development of BH-6. One built

A 1923 development of BH-6. One built

A 1923 single-piston-engine one-seat parasol-wing fighter/racer aircraft. Two built
A 1923 single-piston-engine one-seat biplane fighter aircraft. One built
A 1923 single-piston-engine monoplane two-seat touring aircraft. One built
A 1922 development of the BH-3 with larger engine. One built
The BH-3 was a low-wing strut-braced single-seat fighter for the Czechoslovak National Defense Ministry.
A 1921 development of the BH-2.

(1921) Single-piston-engine monoplane one-seat touring aircraft. One built

A single-piston-engine monoplane of 1920, one was built.

Averso offered most sub-assemblies and produced 8 H 12 profile blades.
Engine: Rotax 503 2V, 52 hp
Rotor span: 6.9 m
Blade area: 0.22 sq.m
MAUW: 270 kg
Empty weight: 120 kg
Fuel capacity: 20 lt
Max speed: 145 kph
Cruise speed: 104 kph
Minimum speed: 20 kph
Climb rate: 6 m/s
Seats: 1
Fuel consumption: 12 lt/hr
Plan price (1998): 990 Fttc
Kit price (1998): 71 100 Fttc

Stall: 41 kt / 47 mph / 76 kmh
Cruise: 113 kt / 130 mph / 210 kmh
VNE: 135 kt / 155 mph / 250 kmh
Empty Weight: 340 kg / 750 lbs
MTOW Weight: 590 kg / 1300 lbs
Climb Ratio: 800 ft/min / 4,2 m/s
Take-off distance (50ft obstacle): 590 ft / 180 m
Landing distance (50ft obstacle): 590 ft / 180 m