 Current powered harnesses weigh 22–32 kg (50-70 lb) not including the safety parachute and fuel, and fold neatly into a long harness bag with a handle.Most powered harnesses in production are equipped with the Radne Raket 120 two stroke engine which is based on Husqvarna XP3120 chainsaw parts.It has a displacement of and produces about at 8900 RPM if equipped with a tuned exhaust; when coupled to a 1