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Unread 15-08-2012, 12:05
AlecMataloni AlecMataloni is offline
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Re: Questions-Thoughts/Input On First Drivetrain Design

We used .125 on our drivetrain this year IIRC, but I've heard of teams using .090. .063 is the thinnest sheet we use on our robot, and I doubt it would ever be on the drivetrain. Make it thicker just to play it safe.

Concerning gearbox placement, you'll definitely want to direct drive one wheel on each side to avoid losing an entire side of your drivetrain to chain failure.

Also, lay off the rivets.
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Unread 15-08-2012, 13:20
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Re: Questions-Thoughts/Input On First Drivetrain Design

I'm not quite sure how you are using the AM Shifters. These do not have an output shaft but have two internal sprockets on the output shaft for chain runs.

If you want an output shaft you should be using an AM Super Shifter.
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Unread 15-08-2012, 14:16
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Re: Questions-Thoughts/Input On First Drivetrain Design

Quote:
Originally Posted by IndySam View Post
I'm not quite sure how you are using the AM Shifters. These do not have an output shaft but have two internal sprockets on the output shaft for chain runs.

If you want an output shaft you should be using an AM Super Shifter.
I actually wasn't sure how these mount and where their output was since im new to them so thanks for clearing that up. In my next design I can integrate them the right way.

Also thanks to everyone for giving input, it's going to help me immensely
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Unread 15-08-2012, 17:46
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Re: Questions-Thoughts/Input On First Drivetrain Design

Quote:
Originally Posted by AlecMataloni View Post
We used .125 on our drivetrain this year IIRC, but I've heard of teams using .090. .063 is the thinnest sheet we use on our robot, and I doubt it would ever be on the drivetrain. Make it thicker just to play it safe.
We built our entire chassis out of (flanged) 0.063" 6061-T6, and decided post-season we should have used 0.050".

If you design the flanges and structure correctly, and pick the right alloy, you really don't need very much thickness.

All of the waterjet pieces of this robot are 0.063" except the gearbox plates (they are 0.090").
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