Flying a fast Free Flight power model successfully is very challenging, even for experienced Free Flighters. This is because the dynamics acting on a fast (say, 30 feet per second or greater) model are much different than those acting on slower-climbing models. For this reason special techniques are required for trimming these fast models.
The following article by the late Bob Johannes is one of the best ever written on the subject of trimming fast power models. If you are serious about flying FAST models (especially Super Pearls) you must read understand the concepts in this article.
Content copyright . PEARLFREEFLIGHT.COM. All rights reserved.