The Fly Hard Trikes SkyCycle is an American

ultralight trike An ultralight trike is a type of powered hang glider where flight control is by weight-shift. These aircraft have a fabric flex-wing from which is suspended a tricycle fuselage pod driven by a pusher propeller. The pod accommodates either a so ...

, designed by Mike Theeke and produced by Fly Hard Trikes of

Wildwood, Georgia Wildwood is a unincorporated community and census-designated place (CDP) located in the northeastern corner of Dade County, Georgia, United States. It was first listed as a CDP in the 2020 census with a population of 382. Description The commu ...

. The aircraft is supplied as a complete ready-to-fly-aircraft and several hundred have been completed and flown.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 SkyCycle was designed to comply with the US

FAR 103 Ultralight Vehicles Ultralight aircraft in the United States are much smaller and lighter than ultralight aircraft as defined by all other countries. In the United States, ultralights are described as "ultralight vehicles" and not as aircraft. They are not req ...

rules, including the category's maximum empty weight of . The aircraft has a standard empty weight of in its "S" model. It features a cable-braced or optionally a

strut-braced In aeronautics, bracing comprises additional structural members which stiffen the functional airframe to give it rigidity and strength under load. Bracing may be applied both internally and externally, and may take the form of strut, which act in ...

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 single-seat open cockpit with a small

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 from bolted-together

aluminum Aluminium (aluminum in American and Canadian English) is a chemical element with the symbol Al and atomic number 13. Aluminium has a density lower than those of other common metals, at approximately one third that of steel. It has ...

tubing, with its single 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 wing uses an "A" frame weight-shift control bar. The powerplant is a twin cylinder, air-cooled,

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 ...

, single-ignition

Rotax 447 The Rotax 447 is a , inline 2-cylinder, two-stroke aircraft engine, built by BRP-Rotax GmbH & Co. KG of Austria for use in ultralight aircraft.Raisner, William: ''LEAF catlog'', pages 6-105. Leading Edge Airfoils, 1995. Design and development ...

engine or the twin-cylinder, in-line, two-stroke

Kawasaki 340 The Kawasaki 340 is a Japanese twin-cylinder, in-line, two-stroke engine that was designed for snowmobiles and produced by Kawasaki Heavy Industries until the early 1980s. The engine was available in air-cooled and liquid-cooled versions. The e ...

. With the Kawasaki 340 engine the aircraft has an empty weight of and a gross weight of , giving a useful load of . With full fuel of the payload is . A number of different wings can be fitted to the basic carriage, including the strut-braced North Wing Maverick III and the Airborne Sting 175. An electric-powered version was reportedly under development in 2011.

Operational history

The aircraft has won many awards including, 2007

Sun 'n Fun Sun ’n Fun Aerospace Expo (officially styled SUN 'n FUN) is a nonprofit organization in Lakeland, Florida dedicated to the promotion of aviation education. It is best known for the annual week-long fly-in and airshow at Lakeland Linder Intern ...

Best Type Trike Ultralight, 2008 Sun 'n Fun Outstanding Weight Shift Ultralight, 2009 Sun 'n Fun Grand Champion and Best Commercial Ultralight, 2010 Sun 'n Fun Best Type Trike Ultralight and Best Commercial Ultralight, 2011 Sun 'n Fun Best Type Trike Ultralight and 2012 Sun 'n Fun Grand Champion.

Variants

;SkyCycle S :Model with the

powerplant, North Wing Maverick III strut-braced wing, cockpit fairing and an empty weight of . ;SkyCycle Firefly :

Nanotrike A nanolight is an Australian class of ultralight powered aircraft. It was originally defined as a powered hang glider A foot-launched powered hang glider (FLPHG), also called powered harness, nanolight, or hangmotor, is a powered hang glider h ...

version with the

Zenoah G25 The Zenoah G-25 is a single cylinder, two stroke, carburetted aircraft engine, with optional fuel injection, designed for use on ultralight aircraftCliche, Andre: ''Ultralight Aircraft Shopper's Guide'' 8th Edition, page G-8 Cybair Limited Publi ...

engine, the Airborne Sting 175 wing, instrument pod only in place of the cockpit fairing and an empty weight of .

Specifications (SkyCycle S)

References

External links