The DTA J-RO () is a French
autogyro
An autogyro (from Greek and , "self-turning"), also known as a ''gyroplane'', is a type of rotorcraft that uses an unpowered rotor in free autorotation to develop lift. Forward thrust is provided independently, by an engine-driven propeller. ...
designed and produced by
DTA sarl of
Montélimar
Montélimar (; Vivaro-Alpine: ''Montelaimar'' ; la, Acumum) is a town in the Drôme department in the Auvergne-Rhône-Alpes region in north Provence, Southeastern France. It is the second-largest city in the department after Valence. In 2018 ...
. The aircraft is supplied complete and ready-to-fly.
[Tacke, Willi; Marino Boric; et al: ''World Directory of Light Aviation 2015-16'', page 192. Flying Pages Europe SARL, 2015. ]
Design and development
The J-RO was designed to combine the advantages of an
ultralight trike
An ultralight trike is a type of powered hang glider where flight control is by weight-shift control, weight-shift. These light-sport aircraft, aircraft have a fabric Rogallo wing, flex-wing from which is suspended a tricycle fuselage pod driven ...
with an autogyro. As such it is a "Cabriolet" (
convertible
A convertible or cabriolet () is a passenger car that can be driven with or without a roof in place. The methods of retracting and storing the roof vary among eras and manufacturers.
A convertible car's design allows an open-air driving ex ...
) design whereby the
gull-winged doors
In the automotive industry, a gull-wing door, also known as a falcon-wing door or an up-door, is a car door that is hinged at the roof rather than the side, as pioneered by Mercedes-Benz 300 SL, first as a race car in 1952 ( W194), and then ...
are removable to allow open air flight in the summertime and an enclosed cockpit for cooler weather. The doors are a factory option and may be purchased and installed later.
The design features a single main rotor, a two-seats-in
tandem
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 ...
configuration enclosed or open cockpit with a windshield,
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 ...
with
wheel pants
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.
...
and a four-cylinder, liquid and 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 ...
Rotax 912ULS
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, lat ...
or
turbocharged
In an internal combustion engine, a turbocharger (often called a turbo) is a forced induction device that is powered by the flow of exhaust gases. It uses this energy to compress the intake gas, forcing more air into the engine in order to pro ...
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 Bombar ...
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 no ...
. It has a
Kevlar
Kevlar (para-aramid) is a strong, heat-resistant synthetic fiber, related to other aramids such as Nomex and Technora. Developed by Stephanie Kwolek at DuPont in 1965, the high-strength material was first used commercially in the early 1970s ...
belt-driven pre-rotator for the main rotor.
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 aircraft t ...
is made from
carbon fiber reinforced polymer
Carbon fiber-reinforced polymers (American English), carbon-fibre-reinforced polymers (Commonwealth English), carbon-fiber-reinforced plastics, carbon-fiber reinforced-thermoplastic (CFRP, CRP, CFRTP), also known as carbon fiber, carbon compo ...
. Its two-bladed rotor has a diameter of and a chord of . The aircraft has a typical empty weight of and a gross weight of , giving a useful load of . With full fuel of the payload for the pilot, passenger and baggage is .
In
noise
Noise is unwanted sound considered unpleasant, loud or disruptive to hearing. From a physics standpoint, there is no distinction between noise and desired sound, as both are vibrations through a medium, such as air or water. The difference aris ...
testing for acceptance in
Switzerland the design produced 62.4
dB. The Swiss testing requires the design produce no more than a maximum of 65 dB for this class of aircraft.
Specifications (J-RO)
See also
*
List of rotorcraft
This is a list of rotorcraft, including helicopters, autogyros, rotor kites and convertiplanes.
A
A-B Helicopters
* A-B Helicopters A/W 95
American Aircraft International
* AAI Penetrator
Aero
*Aero HC-2 Heli Baby
Aero-Ast ...
References
External links
*
{{DTA aircraft
J-RO
Tha Alkaholiks, also known as Tha Liks, is an American hip hop trio from Los Angeles, California, United States. Since the early 1990s they have produced party music with a hardcore hip hop edge, powered by the beats of DJ and producer E-Swi ...
Single-engined pusher autogyros
2010s French sport aircraft