On 3 July, 18:20, "Paul Remde" wrote:

I have spun our club's Junior and have never seen those different cycles.
However, I weigh about 190 Lbs plus parachute. *I'm sure the spin
characteristics are very different at different weights.

You are quite right - I should have said that the oscillation is at
lighter weights / after CoGs.

*I thought the
Junior spun aggressively, but I found it easy to exit the spin immediately
after multiple (I don't recall how many - maybe 3 or 4) rotations. *I love
spinning gliders!

Do you have Polish blood, by any chance?

Ian