This is a modified Dyno-mite HLG, a Stan Buddenbohm design. Normally the wingspan is 28 inches, but I added a center panel to make it 35 inches in span. The camera I used is a Casio EX FC-100, shooting at 210 frames per second.

Free Flight Glider - Slow motion Dynomite 35 TLG Launches (0 min 41 sec)