RE: Engine size question
One of the guys at our field has one of these.
I've had the chance to look it over in depth.
He's running a small 30-50 gasser on his.
There's no way the NX 1.00 will be enough. This is a heavy plane with a high wing loading.
And as already stated, this will not be an easy plane to fly. It will be a handful for an intermediate pilot.