The Radne Raket 120 (English: Rocket) is a lightweight single cylinder, two-stroke aircraft engine used for powered hang gliders, paramotors and ultralight aircraft that is built by Radne Motor AB of Haninge, Sweden.
[1][2][3][4][5] The Raket 120 features electronic ignition and a Walbro carburetor.
It weighs 6.8 kg (15 lb) 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 to allow running the engine without turning the propeller.
[1][2][4] Data from Radne, Wasp Systems and The World Directory of Leisure Aviation 2011-12[1][2][4]