INDUCING flutter on a trainer
when i rebuild my Dust Unlimited i thought by having the servo arms on the underside of the wing ( still internal ) and the horns on top i would have a neat exit hole in the film, well i did, but i also got bad flutter, the whole plane shook and the boom flexed, it slowed down the plane very quickly, but didnt cause damage, i swapped the horns to the upper posistion and the problem was sloved