The Radne Raket 120 ( en, Rocket) is a lightweight single cylinder,

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 ...

aircraft engine An aircraft engine, often referred to as an aero engine, is the power component of an aircraft propulsion system. Most aircraft engines are either piston engines or gas turbines, although a few have been rocket powered and in recent years many ...

used for

powered hang glider A foot-launched powered hang glider (FLPHG), also called powered harness, nanolight, or hangmotor, is a powered hang gliding, hang glider harness with a internal combustion engine, motor and propeller (aircraft), propeller in pusher configuratio ...

s, paramotors and

ultralight aircraft Ultralight aviation (called microlight aviation in some countries) is the flying of lightweight, 1- or 2-seat fixed-wing aircraft. Some countries differentiate between weight-shift control and conventional three-axis control aircraft with ailer ...

that is built by Radne Motor AB of

Haninge, Sweden Haninge Municipality (''Haninge kommun'') is a municipality in Stockholm County in east central Sweden. Its seat is located in Handen, a part of the Stockholm urban area. Haninge Municipality was formed in 1971 when ''Västerhaninge'' and ''� ...

.Bayerl, Robby; Martin Berkemeier; et al: ''World Directory of Leisure Aviation 2011-12'', pages 242-243. WDLA UK, Lancaster UK, 2011. ISSN 1368-485XTacke, Willi; Marino Boric; et al: ''World Directory of Light Aviation 2015-16'', pages 260-261. Flying Pages Europe SARL, 2015.

Design and development

The Raket 120 features electronic ignition and a Walbro

carburetor A carburetor (also spelled carburettor) is a device used by an internal combustion engine to control and mix air and fuel entering the engine. The primary method of adding fuel to the intake air is through the venturi tube in the main meteri ...

. It weighs and, due to its 13,000 rpm redline usually drives a propeller through a 3.6:1 reduction drive. The engine is equipped with a

centrifugal clutch A centrifugal clutch is an automatic clutch that uses centrifugal force to operate. The output shaft is disengaged at low rotational speed and engages more as speed increases. It is often used in mopeds, underbones, lawn mowers, go-karts, chainsaws ...

to allow running the engine without turning the propeller.

Variants

;Raket 120 Aero :Model with recoil starter. ;Raket 120 Aero ES :Model with electric starter.

Applications

Specifications (Raket 120 Aero)

References

{{Reflist

External links

Official website
Air-cooled aircraft piston engines Two-stroke aircraft piston engines