One wheeled gear can be more of a problem in grass, then 2 wheel gear. When the grass was on the high side on our field I got my lines snagged on my one wheeled streak more than once. If, on take off, the inside wing tipped down at all, grass snag, followed by plane motoring towards me. Two wheel gear made that less likely. I use aluminum gear on all my profiles these days. Buy the blanks, buy them ready made, or figure out how cut them yourself. If you're up to it, cut a new fues for the top flight ARF. Trace the fues outline on a decent piece of 1/2inch balsa, then lengthen the nose and tail moment some, if you want a slight slower handling plane, better suited to stunt. The ARF fues is a hollow piece that is poorly engineered. Almost no strength in the nose section. Every one of those I've seen eventually broke the nose off. Sometimes quite spectacularly. Wait a minute. I forgot. I've a one wheeled jr Streak that has flown season after season on one wheel. But that plane is way overpowered and takes off at 45 degrees, no take off roll at all.