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Unread 10-12-2015, 18:14
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Re: VEXpro 2016
On the subject of the encoder - it looks like it needs a "diametrically polarized" magnet to spin in front of it to work. The user guide I linked has lots of tips for embedding the magnet in existing gearboxes, with the glaring exception of VEX ballshifters (which currently need encoders to have a 1/4" bushing-supported shaft).

I wonder if VEX has a solution already cooked up for ballshifters and these new encoders. If not, I wonder if it would be possible to make a replacement for the plastic encoder gear that has pockets for multiple magnets around the perimeter (or something).
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Unread 10-12-2015, 18:27
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Re: VEXpro 2016
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Originally Posted by nuclearnerd View Post
On the subject of the encoder - it looks like it needs a "diametrically polarized" magnet to spin in front of it to work. The user guide I linked has lots of tips for embedding the magnet in existing gearboxes, with the glaring exception of VEX ballshifters (which currently need encoders to have a 1/4" bushing-supported shaft).

I wonder if VEX has a solution already cooked up for ballshifters and these new encoders. If not, I wonder if it would be possible to make a replacement for the plastic encoder gear that has pockets for multiple magnets around the perimeter (or something).
It has one.

Edit: Ops thought you were talking about the VP encoder stage.
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Last edited by Munchskull : 10-12-2015 at 18:29.
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Unread 10-12-2015, 18:42
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Re: VEXpro 2016
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Originally Posted by Munchskull View Post
Edit: Ops thought you were talking about the VP encoder stage.
Nope, the ball shifters. Although with a little creativity, maybe the versa planetary stage could be hacked onto the ball shifter...
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Unread 10-12-2015, 18:48
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Re: VEXpro 2016
One thing I'm wondering now is why the 775 didn't get released last year? Its part number is right in the middle of last years numbering, and its drawing says October of 2014.
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Unread 10-12-2015, 19:00
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Re: VEXpro 2016
It'll be fun to swap a couple of these new 775s into our 2015 stacking robot, which currently uses two BaneBots 775s on the lift. Love the specs on this new motor. In theory, you could do a full robot without CIMs, though I wouldn't recommend it. I'm interested in seeing how this plastic tubing holds up too.
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Unread 10-12-2015, 19:20
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Re: VEXpro 2016
Quote:
Originally Posted by Thad House View Post
One thing I'm wondering now is why the 775 didn't get released last year? Its part number is right in the middle of last years numbering, and its drawing says October of 2014.
Probably took a while to get approval from FIRST. 1323 was testing them on their bot during Madtown Throwdown 2014.
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