FYI I have one of these and did some mods, much better now. I added a steerable tailwheel, linked by a thin piece of music wire to one of the back servos, put on an OS 46 SF engine and beefed up the V tail region. May not be enough for competition but it's now one heck of a little recreational racer, and sport plane. I use an old conquest FM with an FMA MX-80 V tail mixer. Ground handling is a little tricky, and if anyone wants to know how I did the tail wheel, I'll be glad to go into detail. My method really teaches you stick handling, and without that extra servo, keeps the weight down. Bill