1/2A would work for that. But you might do better with SSC designs and just not worrying about the RPM limits and such. The SSC designs out there have been tweaked over a longer period of time and fly quite well. And if you're just doing combat with friends, the planes will fly a little better with a little extra power, but still survive a lot of abuse. The 1/2A planes are also really good at standing up to a beating, but they are more sensitive to extra weight and such. If you want to go 1/2A, going with Hattrick's kit is a really good idea to start with.