Originally Posted by
aspeed
The guys at the US Nats used some kind of sticky goop on the leading edge of the wings. It would come off and have to be reapplied every other flight or so. The pit guys didn't like it for sure. A notch in the rudder, and wing is pretty common to snag the streamer too. Some clubs outlaw sharp leading edges.
Every time we looked someone was making up one rule or another. We were only competing within our club so to keep it simple and allow as much creativity as possible the only rule was a .25 engine. Later when we saw how much of a dog the ones with the bigger engines were we let them fly too. The cannon fodder as they were called was good practice for the beginners.
Dennis