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The St-Just Super-Cyclone is a Canadian
amateur-built aircraft
Homebuilt aircraft, also known as amateur-built aircraft or kit planes, are constructed by persons for whom this is not a professional activity. These aircraft may be constructed from "scratch", from plans, or from assembly kits.Armstrong, Kenn ...
produced by St-Just Aviation of Boucherville, Quebec. The aircraft is supplied as plans or as a kit for amateur construction.Bayerl, Robby; Martin Berkemeier; et al: ''World Directory of Leisure Aviation 2011-12'', page 120. WDLA UK, Lancaster UK, 2011. ISSN 1368-485XDowney, Julia: ''2005 Kit Aircraft Directory'', Kitplanes, Volume 21, Number 12, December 2004, page 53. Belvoir Publications. ISSN 0891-1851Purdy, Don: ''AeroCrafter - Homebuilt Aircraft Sourcebook, Fifth Edition'', page 257 BAI Communications, 15 July 1998. Tacke, Willi; Marino Boric; et al: ''World Directory of Light Aviation 2015-16'', page 127. Flying Pages Europe SARL, 2015.
Design and development
The Super-Cyclone is a development of the earlier St-Just Cyclone and is based on the Cessna 180 andCessna 185
The Cessna 185 Skywagon is a six-seat, single-engined, general aviation light aircraft manufactured by Cessna. It first flew as a prototype in July 1960, with the first production model completed in March 1961. The Cessna 185 is a high-winge ...
airframe design. The kit manufacturer terms it "a replica" of the Cessna designs. Like the 180/185 it features a strut-braced 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 co ...
, a four-seat enclosed cabin accessed via doors, fixed conventional landing gear
Conventional landing gear, or tailwheel-type landing gear, is an aircraft undercarriage consisting of two main wheels forward of the center of gravity and a small wheel or skid to support the tail.Crane, Dale: ''Dictionary of Aeronautical Term ...
, skis or floats and a single engine in tractor configuration
In aviation, the term tractor configuration refers to an aircraft constructed in the standard configuration with its engine mounted with the propeller in front of it so that the aircraft is "pulled" through the air. Oppositely, the pusher co ...
.
The aircraft is made from sheet 2024-T3 aluminum 2024 aluminium alloy is an aluminium alloy, with copper as the primary alloying element. It is used in applications requiring high strength to weight ratio, as well as good fatigue resistance. It is weldable only through friction welding, and has av ...
, with some parts made from 6061-T6
6061 ( Unified Numbering System (UNS) designation A96061) is a precipitation-hardened aluminium alloy, containing magnesium and silicon as its major alloying elements. Originally called "Alloy 61S", it was developed in 1935. It has good mechani ...
and 7075-T6. Its extended-span wing employs a NACA 2412 airfoil, has an area of and mounts large Fowler flaps. The aircraft can be equipped with engines ranging from . The standard engine used is the Continental IO-520 four-stroke powerplant. The design includes improvements over the Cessna, including vertically hinged doors and longer span flaps combined with shorter span ailerons, in a similar manner to the Cessna 206.Downey, Julia: ''1999 Kit Aircraft Directory'', Kitplanes, Volume 15, Number 12, December 1998, page 66. Primedia Publications. ISSN 0891-1851
Operational history
In March 2017 there were seven Super-Cyclones on theTransport Canada
Transport Canada (french: Transports Canada) is the department within the Government of Canada responsible for developing regulations, policies and services of road, rail, marine and air transportation in Canada. It is part of the Transporta ...
Civil Aircraft Register and one registered with the US Federal Aviation Administration
The Federal Aviation Administration (FAA) is the largest transportation agency of the U.S. government and regulates all aspects of civil aviation in the country as well as over surrounding international waters. Its powers include air traffic ...
.
Specifications (Super-Cyclone)
References
External links
* {{St-Just Aviation aircraft Super-Cyclone Homebuilt aircraft Single-engined tractor aircraft 1990s Canadian civil utility aircraft High-wing aircraft Aircraft first flown in 1999