Well first of all, stall, as such, is very seldom dangerous in it self. 😎
If we assume that you were doing the barrel roll more or less correct (that is, had positive g) when you stalled, it does not matter which side of the aircraft is pointing upwards. If you have positive g, it is just a normal stall, of the variety seen in straight and level flight. To affect a recovery, ease the stick forward to decrease angle of attack and increase engine power to increase speed.
In case the barrel roll was less than perfect :rolleyes: and you had negative g when the aircraft stalled, you would have had………a negative g stall, or the kind of stall you would expect from the aircraft when flying up side down. To affect a revovery, pull the stick torwards you to decrease angle of attack and increase engine power to increase speed.
Most important thing to remember about stalls, is the fact that it does not matter which side of the aircraft is up or down. If you have a positive g, it is a normal upright stall (even though the aircraft might be inverted) and if you have a negative g it is a normal inverted stall (even though the aircraft might be upright). Sound complicated, but once you start flying aerobatics it all falls into place 😉
Now to your question. To say that only two aircraft (types) are able to recover from a stall in the situation you descripe (wether it be positive or negative stall) is absolutly absurd! All aircraft can recover from a positive stall and all aircraft can recover from a negative stall. The only tricky part is, some aircraft (i.e. transport category) would not neccesarily be able to recover from inverted flight (if the stall happened in such conditions). But if you are talking light aircraft, ALL of them would be able to recover from either stall.
If you are taking the stall to it’s next level, the spin, the waters are muddied somewhat, as some light aircraft are not save to spin upright (the Piper PA 22 for example) but most of them are ok. None of the standard light aircraft have been spin tested inverted, so recovery from that situation is unknown. However as you were talking about a Chippie, I think it would be fairly save to say that it can be recovered from both upright and inverted spins as it is fully aerobatic. Most aerobatic aircraft don’t care which side is up when they are spinning.
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