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 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 ...

aircraft engine 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 ...

paramotor Paramotor is the generic name for the harness and propulsive portion of a powered paraglider ("PPG"). There are two basic types of paramotors: foot launch and wheel launch. Foot launch models consist of a frame with harness, fuel tank, engine, ...

s and ultralight aircraft 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 An ignition system generates a spark or heats an electrode to a high temperature to ignite a fuel-air mixture in spark ignition internal combustion engines, oil-fired and gas-fired boilers, rocket engines, etc. The widest application for spark i ...

and a Walbro carburetor. It weighs and, due to its 13,000 rpm redline usually drives a propeller through a 3.6:1

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 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, chainsaw ...

to allow running the engine without turning the propeller.

Variants

;Raket 120 Aero :Model with

recoil starter Rope start (also called pull start or ''rewind start'') is a method of starting an internal combustion engine, usually on small machines, such as lawn mowers, chainsaws, ultralight aircraft, small outboard motors and portable engine-generators. ...

. ;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