The first one I built was per plans except for being a tail-dragger. I had a TT PRO .46 on it and used an APC 11x5 prop. If you check the directions they will show you three different CG locations. At the rearmost CG it wasn't a pattern plane, but it would do snap rolls and other aerobatics impressively for a 'trainer-type' plane. As I built the plane and didn't glue in the servo tray...never do on any plane until the last thing. I get all equipment in/on the plane and then set-up the CG by moving the tray as needed to minimize, or not need, any additional weight. On this plane I initially set it up to balance perfectly on the rear CG and then added weight under the engine to move the CG forward. That way when you finally 'advanced' to the rear CG you lost weight in the process. That was the first LT-40...it died one day when I was really wringing it out and was a bit too close to the ground...oops!

The second LT-40 has a flat bolted-down wing (no dihedral) and one-piece fir main and rear spars...you could practically beat someone with this wing! This plane was also built as a taildragger and a tailwheel was made to be steerable by running another pushrod back and rigging a control horn on the tailwheel...works great! Initially I had TT FS .54 up front...it flew, but it didn't have the umph I wanted so a Magnum FS .80 was put on it...that made it almost like a tractor pulling through almost anything I wanted to throw at it. Presently it has a TT FS .91 up front though I haven't had time to get it fully set-up and test-flown. I also plan on using two servos on the wing, side by side, for the torque rods on the ailerons since that was the way the plane was initially built. If I had it to do over again I would put the servos out on the wing and get rid of the torquerods. I bet it will be even more fun to play with using the FS .91...time will tell!

One definite 'to do' tip would be to ditch the Dubro pushrods supplied with the kit and go to Sullivan Goldenrods...they don't expand and contract as much with temperature extremes. Install pushrod supports at every fuselage former and relocate them from stock locations so as to minimize bends/friction...you'll get more out of your servos that way and not use as much battery current in the process. Also, make sure hinge-line gaps are as tight as possible or if nothing else, seal them with additional covering...your control surfaces will work much better that way. Oh, BTW, I dialed up the throws somewhat from 'stock' recommendations, too. Please keep in mind that the second plane is by no means a 'basic' trainer anymore...there is NO self-recovery to it...screw up and it is crash and burn time!