Probably not. People underestimate the amount of kick in the HEI rounds. Approximately equal to a hand-grenade.
See 6:25.
They may just be TP round sin first video.
Also see 0:35.
I love the way the lead aim circle stays the same size whether it's a fighter at 0.75km or a bomber at 0.1km. Unless the cross hair is exactly in the circle, the plane will miraculously find its way right through a hail of lead at 100m.
You can theoretically manage roll, yaw and pitch with control surfaces on the wing but what happens when they get stalled out by a shock? I can only see it working in with TV.
.....TV for its bunghole. They will call it Hulio Bungholio. It will be an Albino.
Question: If you interlocked 2 of the above fans together side-by-side, so that the blades of one went inbetween the blades of the fan at their side (a bit like a screw compressor), would that be even better?