I was aware of the single nylon gear. I stripped out an HS615MG once on my CGM Ultimate. What the heck you say? A 130 ounce inch MG servo strip on a 60 size plane? The single nylon gear let go.

My concerns are exactly what you say. The pulling power of the 225MG is incredible for such a small servo, but the gear train itself is pretty small. MG or not, I think I'll put the HS545s in the tail positions.

Any input on HS225MGs in the wing? I usually look for about 30 degrees max available throw on the ailerons. I'm thinking this would keep enough mechanical advantage to the servo. Any input from you folks?