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Stock Servos Suck

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Sure, but the turning is very sharp at the point of contact. Certainly sharp enough for a MT.

I am pretty sure that you would get more torque of you used a longer arm on the servo, not a shorter one. At least that is how it works with hand tools and the general formula for torque.

http://www.powermasters.com/Mini Lessons/Torque/torque.html
 
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It's not as sharp as my 21 maxx.

Your right about hand tools, but not servo's. The longer the arm, the more stress on the servo to hold it. It's the reverse for servo's than it is for tools.
 
Now that I think about it you are right since the servo is the fulcrum point.
 
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