Set the Proper Gear Mesh

RC Car Action - - HOW TO -

Spend a lit­tle ex­tra time mak­ing sure the gear mesh in your ve­hi­cle is set prop­erly. Sure, you set the gear mesh when you change a pin­ion or make a mo­tor change, but is the spur gear spin­ning freely through a full rev­o­lu­tion? Make sure you have a tick of play be­tween the pin­ion and spur gear, then ro­tate the spur gear slightly and check it again, ro­tate a lit­tle more, and re­peat. Molded spur gears are some­times slightly out of round and the mesh may be tight in spots, so spend­ing a lit­tle ex­tra time check­ing the mesh and mak­ing ad­just­ments may be nec­es­sary to get it just right. Since the 17.5-turn mo­tor isn’t as pow­er­ful as a mod mo­tor, you can open up the mesh a lit­tle more and still be all right.

Sure, we set our gear mesh, but is it as free as it can be?

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