Finally got a light air day to test the glider launch and its flight. First, the little cheap foam glider with a little reinforcing tape survives piggy back launches with no evident problems and actually flies quite well. By the third flight it was in balance for prolonged flight.

As promised, a report on the use of elevons for pitch control. We never got to the point of switching out the elevators to see if adequate pitch control would be provided by elevons because the elevons were producing too much drag and limiting flight time. Flight endurance was greatly extended by going elevator only for pitch control. Pitch control was only slightly greater when combined with the large elevons having considerable throw and was quite adequate with the very small elevators only. Simple conclusion... far too much drag was produced with them.

It is also likely that strip ailerons produce too much drag for such a light foam glider. They caused opposite yaw. Some of that was likely because the wing TE is fat and the ailerons didn't comply to the foil thickness and were tape hinged on the bottom. The down aileron would likely be far more drag producing than the up and on a long wing had too much lever arm couple and induced the opposite yaw. More likely the better route is to trade ailerons for rudder.

Very briefly, in only lower 70s temperatures, after getting the glider in trim, it produced 5-10 min flights when released at 750 ft. It is anticipated that when temps heat up... prolonged flights can be achieved.

The good news was the launching was successful and the guys gave a thumbs up to the one design competition and are committed to a RC conversion.