Two more question, if I may...
What has the airspeed at the top of the loop decayed to with 4G pull?
With 3 G?

At 4G......110 kts is OK and preferrable. At 3G, you can get it to float over
at 80 to 90 kts. Also, just depends on how long the G pull is sustained during
the ride up, as well.
VL