Hey guys,

Karbonite is definatley stronger than nylon (4 times per testing) but we have found that due to the hardness of the material that it can be more brittle causing it to shear in some situations. The 6985HB has actually been discontinued because the power to geartrain strength was not a good match. The 6975HB and 6965HB's are still available and shine in helicopter usage as the Karbonite holds up well there, even in heli's up to .90 size. We feel comfortable using Karbonite in high performacne models up to 12lbs utilizing one servo per control surface.

Note that the metal and titanium geared servos use what we can an M/K (metal, karbonite) gear as the first gear off the motor pinion. Most all other manufacturers use an all nylon gear here. The M/K gears have never stripped under normal conditions so there is no need to worry about its usage here.

My suggestions for high power, high cost jets are to just use the best we offer... the 5955TG. There is no better servo on the market today for performance and reliabilty. It seems there are so many people in this forum that put down Hitec servos but the truth is that when comparing flagship to flagship, we offer a superior product. I'm so confident in that statement that I challenge anyone to make an argument to dispute that.

Mike Mayberry