The Cors-Air M25Y Black Devil is an Italian
aircraft engine, designed and produced by
Cors-Air of
Barco di Bibbiano for use in
powered parachutes
A powered parachute, often abbreviated PPC, and also called a motorized parachute or paraplane, is a type of aircraft that consists of a parafoil with a motor and wheels.
The FAA defines a powered parachute as ''a powered aircraft a flexible o ...
and very small
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 ...
s flown by heavy pilots.
[Tacke, Willi; Marino Boric; et al: ''World Directory of Light Aviation 2015-16'', pages 256-257. Flying Pages Europe SARL, 2015. ]
Design and development
The M25Y is a single-cylinder
two-stroke
A two-stroke (or two-stroke cycle) engine is a type of internal combustion engine that completes a power cycle with two strokes (up and down movements) of the piston during one power cycle, this power cycle being completed in one revolution of ...
, displacement, air-cooled, gasoline engine design, with a poly V belt
reduction drive
A reduction drive is a mechanical device to shift rotational speed. A planetary reduction drive is a small scale version using ball bearings in an epicyclic arrangement instead of toothed gears.
Reduction drives are used in engines of all kinds ...
. The reduction drive has optional reduction ratios of 2.2:1, 2.3:1, 2.5:1, 2.6:1, 2.7:1 and 2.88:1. The M25Y employs a single
capacitor discharge ignition
Capacitor discharge ignition (CDI) or thyristor ignition is a type of automotive electronic ignition system which is widely used in outboard motors, motorcycles, lawn mowers, chainsaws, small engines, turbine-powered aircraft, and some cars. It ...
, a WB37 diaphragm
carburettor and produces at 7900 rpm. The weight is including the exhaust system.
The engine has a centrifugal clutch that stops the propeller spinning when the engine is operated at low RPM, a safety feature for use in powered paraglider applications.
Applications
*
Aeros ANT
The Aeros ANT (Aeros Nanolight Trike) is a Ukrainian ultralight trike, designed and produced by Aeros of Kyiv. The aircraft is supplied complete and ready-to-fly.Tacke, Willi; Marino Boric; et al: ''World Directory of Light Aviation 2015-16'', pag ...
*
Aerola Alatus
Specifications (M25Y Black Devil)
See also
References
External links
*{{Official website, www.corsairmotors.com/en/motori/m25y-frizione/
Cors-Air aircraft engines
Two-stroke aircraft piston engines
Air-cooled aircraft piston engines
2000s aircraft piston engines