Le mardi 2 août 2016 18:58:43 UTC+2, a écritÂ*:

I said it before but I'll say it again:

The majority of gliders are more stall and spin resistant at medium to steeper banks than at shallower bank angles. (This is aerodynamically different than most airplanes).

And I ask you again: Would you please elaborate on this?

I've flown about 40 gliders, and voluntarily spun most of them. To my experience, your statement is nonsense.