Before I actually got into competitive combat I spent a year doing exactly what you are thinking of. Me and one other guy flew against each other for one whole season with similar type planes. Trainers, foamies, etc. We never hit once that whole season. We were VERY lucky. You may midair in the first 30 seconds or maybe not at all. If your in love with your plane I would suggest not doing it. If you do it I would be careful...Its addicting!!

Basically though I would plan on destroying a plane. Me and that guy got lucky that year but you may not. Slap together a spad or something that you don't care about and go have a blast!