On Jun 6, 5:55*am, Ron Garret wrote:
In article XoH1k.16394$qP.15098@trnddc03,

*TheSmokingGnu wrote:
More_Flaps wrote:
How can I tell if my loops are perfect
circles?

Ask Dudley for technique, but as for the physics: a perfect loop would
have a constant acceleration.

Only in zero G.

And only if speed is constant.

Cheers