The Flying Machines FM301 Stream, is a Czech ultralight trike, designed by and produced by Flying Machines s.r.o. of

Rasošky Rasošky is a municipality and village in Náchod District in the Hradec Králové Region of the Czech Republic The Czech Republic, or simply Czechia, is a landlocked country in Central Europe. Historically known as Bohemia, it is bor ...

. The aircraft is supplied as a complete ready-to-fly-aircraft.Bayerl, Robby; Martin Berkemeier; et al: ''World Directory of Leisure Aviation 2011-12'', page 212. WDLA UK, Lancaster UK, 2011. ISSN 1368-485X

Design and development

The FM301 was designed to comply with the

Fédération Aéronautique Internationale The (; FAI; en, World Air Sports Federation) is the world governing body for air sports, and also stewards definitions regarding human spaceflight. It was founded on 14 October 1905, and is headquartered in Lausanne, Switzerland. It maintai ...

microlight category, including the category's maximum gross weight of . It features a cable-braced

hang glider Hang gliding is an air sport or recreational activity in which a pilot flies a light, non-motorised foot-launched heavier-than-air aircraft called a hang glider. Most modern hang gliders are made of an aluminium alloy or composite frame covered ...

-style

high-wing A monoplane is a fixed-wing aircraft configuration with a single mainplane, in contrast to a biplane or other types of multiplanes, which have multiple planes. A monoplane has inherently the highest efficiency and lowest drag of any wing confi ...

, weight-shift controls, a two-seats-in- tandem open cockpit with a

cockpit fairing An aircraft fairing is a structure whose primary function is to produce a smooth outline and reduce drag.Crane, Dale: ''Dictionary of Aeronautical Terms, Third Edition'', page 206. Aviation Supplies & Academics Inc, Newcastle Washington, 1997. ...

tricycle landing gear Tricycle gear is a type of aircraft undercarriage, or ''landing gear'', arranged in a tricycle fashion. The tricycle arrangement has a single nose wheel in the front, and two or more main wheels slightly aft of the center of gravity. Tricycle g ...

and a single engine in

pusher configuration In an aircraft with a pusher configuration (as opposed to a tractor configuration), the propeller(s) are mounted behind their respective engine(s). Since a pusher propeller is mounted behind the engine, the drive shaft is in compression in nor ...

. The aircraft is made with a monocoque fibreglass carriage, with its double surface wing covered in

Dacron Polyethylene terephthalate (or poly(ethylene terephthalate), PET, PETE, or the obsolete PETP or PET-P), is the most common thermoplastic polymer resin of the polyester family and is used in fibres for clothing, containers for liquids and foods ...

sailcloth. Its span Quasar wing is supported by a single tube-type kingpost and uses an "A" frame weight-shift control bar. The powerplant is a twin cylinder, air-cooled,

four-stroke A four-stroke (also four-cycle) engine is an internal combustion (IC) engine in which the piston completes four separate strokes while turning the crankshaft. A stroke refers to the full travel of the piston along the cylinder, in either directio ...

, dual-ignition

HKS 700E The HKS 700E is a twin-cylinder, horizontally opposed, four stroke, carburetted aircraft engine, designed for use on ultralight aircraft, powered parachutes and ultralight trikes. The engine is manufactured by HKS, a Japanese company noted for ...

engine, with the

two-stroke A two-stroke (or two-stroke cycle) engine is a type of internal combustion engine that completes a Thermodynamic power cycle, power cycle with two strokes (up and down movements) of the piston during one power cycle, this power cycle being comple ...

Rotax 582 and the four cylinder, air and liquid-cooled,

, dual-ignition

Rotax 912UL The Rotax 912 is a horizontally-opposed four-cylinder, naturally aspirated, four-stroke aircraft engine with a reduction gearbox. It features liquid-cooled cylinder heads and air-cooled cylinders. Originally equipped with carburetors, late ...

or Rotax 912ULS engines optional. With the HKS powerplant the aircraft has an empty weight of and a gross weight of , giving a useful load of . With full fuel of the payload is . The unusual fibreglass structural construction allows internal fuel tanks and also permits a large unobstructed baggage area. The FM301 also has a unique wing mast system that allows the wing to be assembled and mounted on the carriage single-handedly.

Specifications (FM301)

References

External links

* {{Flying Machines aircraft 2000s Czech sport aircraft 2000s Czech ultralight aircraft Single-engined pusher aircraft Ultralight trikes