The Dynali H2S is a
Belgian
Belgian may refer to:
* Something of, or related to, Belgium
* Belgians, people from Belgium or of Belgian descent
* Languages of Belgium, languages spoken in Belgium, such as Dutch, French, and German
*Ancient Belgian language, an extinct languag ...
helicopter
A helicopter is a type of rotorcraft in which lift and thrust are supplied by horizontally spinning rotors. This allows the helicopter to take off and land vertically, to hover, and to fly forward, backward and laterally. These attributes ...
, designed by Jacky Tonet and produced by
Dynali of the Thines district of
Nivelles
Nivelles (; nl, Nijvel, ; wa, Nivele; vls, Neyvel) is a city and municipality of Wallonia located in the Belgian province of Walloon Brabant. The Nivelles municipality includes the former municipalities of Baulers, Bornival, Thines, and Monst ...
. When it was available the aircraft was supplied as a kit for
amateur construction[Bayerl, Robby; Martin Berkemeier; et al: ''World Directory of Leisure Aviation 2011-12'', page 190. WDLA UK, Lancaster UK, 2011. ] or fully assembled, supplied ready-to-fly.
By December 2017 the design was no longer advertised on the company website and production has most likely ended.
Design and development
The H2S was designed to comply with the amateur-built aircraft rules, but a
light-sport aircraft category version, the
Dynali H3
The Dynali H3 EasyFlyer, now known as the Sport, is a Belgian helicopter designed and produced by the Dynali of the Thines district of Nivelles. The aircraft is supplied complete and ready-to-fly-aircraft or as a kit for amateur construction. ...
, is also being developed. It features a single main rotor, a two-seats-in
side-by-side configuration
Tandem, or in tandem, is an arrangement in which a team of machines, animals or people are lined up one behind another, all facing in the same direction.
The original use of the term in English was in ''tandem harness'', which is used for two ...
enclosed cockpit with a windshield, skid-type
landing gear
Landing gear is the undercarriage of an aircraft or spacecraft that is used for takeoff or landing. For aircraft it is generally needed for both. It was also formerly called ''alighting gear'' by some manufacturers, such as the Glenn L. Martin ...
and a four-cylinder, liquid cooled
four-stroke,
Subaru EJ25
The Subaru EJ engine is a series of four-stroke automotive engines manufactured by Subaru. They were introduced in 1989, intended to succeed the previous Subaru EA engine. The EJ series was the mainstay of Subaru's engine line, with all engines o ...
automotive conversion engine.
The aircraft
fuselage
The fuselage (; from the French ''fuselé'' "spindle-shaped") is an aircraft's main body section. It holds crew, passengers, or cargo. In single-engine aircraft, it will usually contain an engine as well, although in some amphibious aircraf ...
is made from a combination of
aluminium
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. I ...
tubing and welded
stainless steel, covered with a
polycarbonate fairing. Its diameter two-bladed rotor has a chord of and employs composite main rotor blades. The tail rotor is of an enclosed
Fenestron
A Fenestron (sometimes alternatively referred to as a fantail or a "fan-in-fin" arrangementLeishman 2006, p. 321.) is an enclosed helicopter tail rotor that operates like a ducted fan. The term ''Fenestron'' is a trademark of multinational heli ...
type with eight blades. The aircraft has an empty weight of and a gross weight of , giving a useful load of . With full fuel of the payload is .
Like many helicopters designed in France and Russia, the main rotor blades advance to the left.
Variants
;Kit version
:Model with a gross weight of , powered by a four cylinder, air-cooled, four-stroke, Subaru EJ25 automotive conversion engine.
;
Dynali H3 EasyFlyer
The Dynali H3 EasyFlyer, now known as the Sport, is a Belgian helicopter designed and produced by the Dynali of the Thines district of Nivelles. The aircraft is supplied complete and ready-to-fly-aircraft or as a kit for amateur construction. ...
:Lightened version powered by a four cylinder, air and liquid-cooled, four-stroke,
dual ignition
Dual Ignition is a system for spark-ignition engines, whereby critical ignition components, such as spark plugs and magnetos, are duplicated. Dual ignition is most commonly employed on aero engines,Crane, Dale: ''Dictionary of Aeronautical Terms, ...
Rotax 912S or a
turbocharged Rotax 914
The Rotax 914 is a turbo-charged, four-stroke, four-cylinder, horizontally opposed aircraft engine with air-cooled cylinders and water-cooled cylinder heads. It is designed and built by the Austrian company BRP-Powertrain, owned by Bombardier ...
engine for the light-sport aircraft category.
Specifications (H2S)
See also
References
External links
* {{Official website, http://www.dynali.com/
H2
2000s Belgian sport aircraft
2000s Belgian helicopters
Homebuilt aircraft
Single-engined piston helicopters