I sense a plan formulating here. I've got some mini servos, so if I use those for the throttle I'd save a bit. Also could use two of them for ailerons. Would give me much more torque, and not much more weight than one standard servo. In fact, I just checked the specs and the mini servos have the same output as my standard Futabas, are 2/3 the weight, and much smaller. Might as well use minis all around. Probably stick with a standard for the retracts, should have stronger gears. Now I've just got to get a light weight receiver. Also have to research what tuned pipe options are available for a 36 size engine.