@secondcor521 Yes.. Eventually if the CG got too far aft then the spin would be non recoverable in any aircraft. If you think about it, a spinning AC with an aft CG is a bit like a barbell.. with the weight moving further away fro the center.. A bit like the twin engined example but in the longitudinal direction.
In a normal spin the moment of the engine (weight of engine X distance from the rotaing center) is much bigger than the rest of the airplane, so in a spin the nose will drop.
If the rearward moment was the same a the front, well then our barbell would be balanced and would spin completely flat. You are probably right in the the tail is doing a lot less flying in that scenario. I guess if you are spinning the right you could add power and use the P factor to help..
Here is a little video of me doing a little goofing off you can just see that I added a little bit of opposite aileron, then the airplane snapped over. This was deliberate but you can see why they teach "Neutral aileron" to recover.
After this video I got it spin inverted.. I tried in this one but it wouldn't go.. When I had the heavy passenger.. THEN it spun inverted very well..:)
https://www.youtube.com/watch?v=TQIZQ2yti1Y
Yeah, that's too much excitement for my blood. The music and "experimental" is enough to have me politely decline.
I'm not a fast thinker, so my comfort zones are:
1. Straight and level at 6K elevation in uncontrolled airspace, nice weather, no crosswinds, 500 fpm descents and right angles on downwind/base/final to a familiar airport, etc. I've basically only flown C152/C172/C182RG. Plus a few hours in a Varga Kachina which was fun.
2. Commercial or military pilot and I'm the passenger and not responsible.
3. A situation where I've been trained 100x so I know how to avoid and what to do reflexively. A basic stall in a C172, for example.
...
Oh, and of course, Top is In.