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Originally Posted by Tyler2517
The green thing is a spacer that lets us translate the power from the wheel with the bevel to the wheel with out. It has 12 threaded holes in it so that we can offset the bolts so the load from each one of the wheels so there is a lot less shear force(each wheel has 6 holes.)
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I'm having trouble picturing this so I can't be sure, but doesn't this just mean each bolt is loaded in single shear instead of double shear? I think 12 bolts going through both wheels would be stronger since the bolts are in double shear. Both are probably overkill.
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We do not want 2 of the same material gears so we don't have to grease them so carpet cant get stuck in the grease.
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Why does having two different materials negate the need for grease? Why does having two of the same material necessitate it?