I totaly forgot about the Sig Hog bipe. It is a perfect plane for a 90 size 4 stroke. There are 2 of them flying in my club and they fly great and look even better. I have been thinking about the Goldberg Ultimate but have heard that they are dogs with a 91 size 4 stroke engine on them. I just like to sport fly and don't do any wild things with my planes. Would this plane fly good with a 91 on it. I have been thinking about other planes because of some of the things that I have heard. I would like the ultimate but don't want to have to get a 120 engine.

Rick