Gen 4
ultralight helicopter, Gen 4 co axial helicopter, Gen 4 co axial experimental light sport aircraft
helicopter (ELSA), Lightsport Aircraft Pilot News
newsmagazine.
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Lightsport
Aircraft Pilot is a directory of aircraft that generally fit
into what are described as ultralight aircraft, advanced ultralight
aircraft,
light sport aircraft, experimental light sport aircraft, experimental
aircraft, amateur built aircraft, ELSA or homebuilt
aircraft in the United States and Canada. These include
weight shift aircraft, more commonly known as trikes,
powered parachutes, and powered para-gliders.
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Gen 4 co axial
ultralight, experimental lightsport aircraft
helicopter.
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Manufacturer
http://www.gen-corp.jp
ANAGISAWA GEN H-4
TYPE: Exoskelitor flying vehicle.
PROGRAMME: Four-engined development of
BDH-3; basic version shown at AirVenture, Oshkosh, 1997; yaw
control by small, electrically powered, auxiliary
propellers; by 1998, yaw accomplished by differentiation of
rotor rpm. Current configuration first flew in 1999.
Marketed in kit form.
CURRENT VERSIONS:
H-4: As described.
H-4 UAV: Radio-controlled version,
first flown 22 March 2002.
COSTS: Kit US$50,000 (2002). |
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DESIGN FEATURES: "Strap-on"
personal helicopter with contrarotating twin blades
of tapered planform and fixed pitch (thus no
autorotation capability - replaced by ballistic
parachute, if desired). Seat, with fuel tank at rear
supported by triangular tube framework landing gear
and footrest. Gimballed platform above occupant's
head houses four small motors, central transmission
and rotor assembly with gears. Combined hand-grip
control column and instrument panel attached to
front of platform. Rotor speed 800 to 900 rpm.
Quoted build time 40 hours.
FLYING CONTROLS: Two-axis control
by tilting of engine/rotor platform; yaw control
effected by thumb switch on instrument panel,
operating electric motor which differentiates speed
of rotors by 1%.
STRUCTURE: Framework of 5cm
aluminium tube; glass fibre seat and backpack;
rotors of carbon fibre and Kevlar, with foam core.
LANDING GEAR: Four small "wheels"
each comprise multiple rollers in circular
arrangement.
POWER PLANT: Four 124cc Gen 125
two-stroke, horizontally opposed, two-cylinder
piston engines with independent ignition, positioned
symmetrically on pivoting platform, each developing
7.5kW at 8,500 rpm. Fuel, of 30:1 petrol and oil
premix, in seatback tank, capacity up to maximum of
19 litres. |
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Gen 4 co axial helicopter ultralight -
experimental lightsport aircraft |
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