Go to Post everyone in FIRST has to do the cha cha slide at least once per season to get it out of their system. Now I can go back to doing it in the privacy of my own car (if you see a red Jeep in CT swerving back and forth don't worry, it's just me doing the slide...)! - KathieK [more]
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Unread 17-10-2016, 14:58
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Re: pic: 1678 Offseason Robot Progress
That is a very nice looking robot! How is the catapult powered? I don't think I see any pneumatics or elastic tubing. Is it motor driven?
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Unread 17-10-2016, 15:09
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Re: pic: 1678 Offseason Robot Progress
I'm just curious as to what that thingamabob is in the corner. Were your machinists bored?
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Unread 17-10-2016, 15:10
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Re: pic: 1678 Offseason Robot Progress
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Originally Posted by Cothron Theiss View Post
I'm just curious as to what that thingamabob is in the corner. Were your machinists bored?
That's a Turner's Cube.
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Unread 17-10-2016, 15:13
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Re: pic: 1678 Offseason Robot Progress
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That's a Turner's Cube.
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Unread 17-10-2016, 16:10
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Re: pic: 1678 Offseason Robot Progress
*snip*
Last edited by ollien : 17-10-2016 at 16:10. Reason: Didn't see there was a page 2
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Unread 17-10-2016, 16:49
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Re: pic: 1678 Offseason Robot Progress
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Originally Posted by Cothron Theiss View Post
I'm just curious as to what that thingamabob is in the corner. Were your machinists bored?
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Unread 17-10-2016, 23:48
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Re: pic: 1678 Offseason Robot Progress
I'm guessing one of the missing mechanisms is something to hold the ball in the arm cup when driving? Or does the intake do that as well? Can't wait to see the whole thing - please make a release video!
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Unread 18-10-2016, 01:08
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Re: pic: 1678 Offseason Robot Progress
Quote:
Originally Posted by nuclearnerd View Post
I'm guessing one of the missing mechanisms is something to hold the ball in the arm cup when driving? Or does the intake do that as well? Can't wait to see the whole thing - please make a release video!
A release video would be sweet!

This robot is looking awesome I cannot imagine the headaches y'all had fitting everything in a size similar to Mittens, but without the arm. Looking forward to seeing this at Madtown.
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Last edited by Harrison.Smith : 18-10-2016 at 01:12.
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Unread 18-10-2016, 01:28
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Re: pic: 1678 Offseason Robot Progress
The things that caught my eye are the compact compressor bracket and the wheels.

It looks like you cut openings in the polycarb and then bent it.
How did you bend it? Was it heated in an oven and then put into a form?

On the wheels, they look worn down. Did you sand off tread to make it turn easier?

Dave
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Unread 18-10-2016, 10:23
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Re: pic: 1678 Offseason Robot Progress
Quote:
Originally Posted by Bryce2471 View Post
Did you build a functional prototype of the catapult with all these articulations?
We built a catapult prototype, but not with the adjustable stop, scoop, or turret.
Quote:
Originally Posted by nuclearnerd View Post
I'm guessing one of the missing mechanisms is something to hold the ball in the arm cup when driving? Or does the intake do that as well?
There will be a pair of omni wheels that help to hold the ball in place, and pivot downwards when firing.
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Originally Posted by DaveL View Post
It looks like you cut openings in the polycarb and then bent it.
How did you bend it? Was it heated in an oven and then put into a form?

On the wheels, they look worn down. Did you sand off tread to make it turn easier?
We cut the polycarb on our CNC router and made the bends using a heat gun and a press/break. The wheels are just used ones from the season, nothing special.
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Unread 19-10-2016, 01:19
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Re: pic: 1678 Offseason Robot Progress
Quote:
Originally Posted by DaveL View Post
The things that caught my eye are the compact compressor bracket and the wheels.

It looks like you cut openings in the polycarb and then bent it.
How did you bend it? Was it heated in an oven and then put into a form?

On the wheels, they look worn down. Did you sand off tread to make it turn easier?

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Last edited by araniaraniratul : 19-10-2016 at 01:20. Reason: Typo
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Unread 12-11-2016, 18:11
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Re: pic: 1678 Offseason Robot Progress
I intended to watch this robot play at Madtown, but I apparently tuned in too late.
How did it turn out? What were the learning experiences?
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Unread 12-11-2016, 18:24
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Re: pic: 1678 Offseason Robot Progress
It was pretty terrible
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Unread 17-10-2016, 15:38
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Re: pic: 1678 Offseason Robot Progress
Quote:
Originally Posted by wajirock View Post
That is a very nice looking robot! How is the catapult powered? I don't think I see any pneumatics or elastic tubing. Is it motor driven?
The catapult will be powered by both surgical tubing and pneumatic cylinders. We just haven't mounted them yet.
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Unread 17-10-2016, 15:47
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Re: pic: 1678 Offseason Robot Progress
Looks gorgeous, hopefully one day I can dive into the CAD of this thing.

Gotta ask though, what's with the giant rivets?
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