Quote:
Originally Posted by FrankJ
I have to say I love the vex planetary gearboxes. Not having to press a gear on the motor using a force just lower than what is required to bend the shaft, turning the motor into trash is great. You do have to use an allen wrench in good shape to tighten the set screw though
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Quote:
Originally Posted by DeepWater
Agreed. We found a metric allen wrench that seems to fit better than the recommended standard allen wrench size. I forget the sizes now. We wound up rounding out a couple of set screws until we got the hang of it. If there was one improvement I would recommend to the VersaPlanetaries it would be to simply drop a few spare set screws in the bag of small parts.
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For all applications that use Allen keys, I personally suggest these:
http://www.mcmaster.com/#high-torque-hex-keys
They are only marginally more expensive than regular Allen keys, but they are awesome. I have yet to see one strip after using them for several years, even extremely small ball-point sizes like 5/64".
In addition, because they have a better contact profile against the hex sockets in the screws, they reduce the chances that you will accidentally strip a screw. I have also seen screws that were "stripped" being easily removed/tightened with these high-torque Allen keys.