bmx- and others- thanks for the info about vmar. you might want to search here and other places for theads about planes/manufacturers before you buy them, so you don't have to mess with fixing them as much. for instance i would not recommend the great planes mustang arf. it has a photographed foam covering which is hard to repair.

there are some decent arfs and a bunch of mediocre ones. that is why i recommend that before you buy an arf that you search here and other web places, and also talk to the other guys at your club about them to see what their experience has been.

world models seems to make decent arfs but even with them i would look at the firewall and maybe reinforce it, especially if i was putting on an engine that is at or over their recommended power limit. i would always add a good glue bead to as many of the joints as i could get to. don't overdo the glue too much just add a small bead of glue like an aliphatic resin glue to the joints.

the world mustang 40 size seems ok but their retracts seem to be a bit weak, and you might want to replace the strut wires with music wire struts.