Abstract:
Wind tunnel tests were required for comparison with flight tests on two "V" wing tailless gliders of 28.4 deg. and 36.4 deg. sweepback. The main part of the work consisted of longitudinal, lateral and directional stability tests on the two wings, but pressure-plotting tests on the wing of larger sweepback and an investigation of anti-tip stalling devices was also included. Tip slats were found to be the most effective of the devices tried in the present experiments for overcoming the drawback of the premature tip stall.
