[ARE SOLE]

"Rotax has been flying on tether forever in part due to this same requirement."

Doesn't Rotax manufacture engines? I don't get the flying on a tether part. So solly.

Regards.

[Boundless]

> Doesn’t Rotax manufacture engines?
> I don’t get the flying on a tether part.

You are correct. I was thinking of Moller.
http://www.moller.com/
which presently has trademarks on “Rotapower” and “RotaFan”