Seyroche Enterprises, Llc.

Home Built Ultralight Helicopter Plans


Ultralight Specs
General: vertical take-offs and landings; hovering; forward, backward and sideward flight. In the event of engine failure, the Ultralight can autorotate to a safe landing.
Length: 18 ft.
Height: 7 ft.
Width: 5 ft.
Main rotor dia: 22 ft.
Main rotor chord: 8 in.
Main rotor rpm: 450
Disc loading: 2.5 lb/sq ft
Tail rotor dia.: 40 in.
Tail rotor chord: 3.5 in.
Tail rotor rpm: 3200
Empty weight: 544 lbs.
Useful load: 356 lbs.

Speed (max): 85 mph
Range (max): 65 miles
Engine: Rotax
Horsepower: 95+
Power loading: 9 lbs/hp
Fuel capacity: 12 gal.
Fuel consumption: 4 gph
Altitude (max): 12000 ft


Note: Builder must be proficient with small tools and have some mechanical ability to construct aircraft.

The approximate cost of building this ultralight helicopter is $7,500








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