Comprised of compressor, combustion chamber, turbine and gearbox assembly, these are more powerful and complex engines than are used on piston helis, inevitably making them more expensive to operate but broadening their appeal to market sectors piston helicopters cannot serve.
Maybe it is just not possible to buy a good enough aviation grade quality machine for that kind of money? Power is from a Rotax or motorcycle engine.
Do you have a new or used helicopter, gyrocopter, airplane, ultralight, kit, other vehicle, or just parts for sale? This changes as you make progress in the game.
As with other Robinson helicopters, the R66 is similarly a utility and trainer helicopter.