The S46H Helicopter Engine for 50 size heli's comes with a Hyper style Cooling Head. This specially designed head allows more cooling for strenuous 3D Heli flying.
The S46H is lighter and delivers more horsepower for higher rotor speeds than most motors in its class.
When these first arrived at ZUUE, everyone in the office gathered round to take a look. We were blown away with the build quality, polish and finish of these engines... we just weren't expecting them to be this good. They are without doubt a serious competitor for similar sized 2 stroke glow engines that are almost THREE times the price. They are cheap.. but they are fantastic and that makes them the best value for money 2 stroke engines currently available