Originally Posted by
Hot and Hi
It is also assumed that - all things equal - a Fenestron uses twice the power compared to a traditional tail rotor. In the hover this can easily exceed 20% of the power produced by the engine (vs 10% in a R22).
The experts will have more accurate figures. But by any standards, that's a lot of power that is not available for lift.
Seems like the fenestron is not the best choice for a small underpowered trainer? Anyone know why Bruno chose it over a more traditional tail rotor?