Forum: Robot Showcase
12-23-2016, 04:24 PM
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Replies: 18
Views: 2,818
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Forum: Robot Showcase
12-19-2016, 05:03 PM
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Replies: 18
Views: 2,818
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Forum: Robot Showcase
12-14-2016, 09:43 PM
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Replies: 18
Views: 2,818
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Forum: General Forum
12-13-2016, 06:36 PM
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Replies: 20
Views: 5,305
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Forum: Robot Showcase
12-07-2016, 06:05 PM
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Replies: 37
Views: 4,607
Re: Strange Swerve 4.0 Triple Strange 1533
Have you had a chance to run this under load?
My concern is that the axial force of the bevel gears has to travel all the way thru the churro standoffs, thru the delrin bearings, and then up the...
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Forum: Extra Discussion
12-07-2016, 05:34 PM
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Replies: 6
Views: 832
Re: pic: Swerve 4
On grabcad I only see the .sldasm, is there another link to download all the .sldprt files?
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Forum: Extra Discussion
04-03-2016, 10:05 PM
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Replies: 11
Views: 3,534
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Forum: Electrical
03-22-2016, 03:10 PM
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Replies: 19
Views: 2,198
Re: Longer battery wires
But if there were only 3 volts at the motors, can they still pull 480 amps? I know it is a problem, but I don't know if it is that bad.
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Forum: Rules/Strategy
03-09-2016, 09:25 PM
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Replies: 27
Views: 4,136
Re: Scream For Sally
Audience selected defenses stay there for a whole round of matches. So your team will see that defense in your next match.
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Forum: General Forum
03-08-2016, 08:29 AM
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Replies: 8
Views: 1,681
Sally Port is a bumper destroyer
I've fount that our bumper corners are getting destroyed by the threaded ends of the screws that stick out on the back of the sally port. The worst part is that it is right in the middle of the...
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Forum: Technical Discussion
02-01-2016, 04:45 PM
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Replies: 12
Views: 1,263
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Forum: Motors
12-16-2015, 05:34 PM
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Replies: 55
Views: 9,548
Re: 2016 Bosch motor 6004 RA3 194-06
Have you tried drilling out the star pattern at 3/8" and broaching a key or a 3/8" hex?
This motor seems like a good choice when you would like to use a hobby servo motor, but need much more power...
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Forum: Extra Discussion
07-05-2015, 10:45 PM
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Replies: 10
Views: 2,716
Re: pic: FRC548 The Robostangs IRI 2015 TBA
It was a joke.
We have stacked 5 totes thus far, but with some modifications to the lifting chain we can now stack 6. We felt the IRI rule changes and higher average robot scoring made it more...
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Forum: Extra Discussion
07-05-2015, 06:47 PM
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Replies: 10
Views: 2,716
Re: pic: FRC548 The Robostangs IRI 2015 TBA
Our original lift was unfortunately limited to stacking prime numbers of totes. But with recent enhancements in computer-brain interfaces and computational theology we have succeeded in making 6 a...
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Forum: Extra Discussion
07-05-2015, 01:17 PM
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Replies: 10
Views: 2,716
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Forum: General Forum
06-19-2015, 12:43 PM
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Replies: 39
Views: 5,961
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Forum: Extra Discussion
06-04-2015, 01:11 PM
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Replies: 9
Views: 3,042
Re: pic: smurfgirl 2015 WAI
On my computer in chrome if I click the picture it opens up right side up, but it is sideways everywhere else.
In internet explorer it is sideways even if I click it.
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Forum: Extra Discussion
06-03-2015, 05:22 PM
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Replies: 64
Views: 24,107
Re: paper: 2015 IRI Rule Changes
I think the intent was to give each team shot at two of the recycling containers on the step. Dividing the step in half is really the best way to do this, to prevent 610 and 1024 (for example) from...
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Forum: General Forum
06-02-2015, 04:34 PM
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Replies: 105
Views: 21,206
Re: State Power Alliances 2015
I didn't watch much of 67 in St. Louis. If they were able to get reliability up then I would do 1023-548-67.
I might also consider 503 in the third position depending on the landscape of the event....
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Forum: General Forum
06-02-2015, 12:48 PM
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Replies: 105
Views: 21,206
Re: State Power Alliances 2015
In Michigan:
If reliability isn't a concern:
2054: 28 point auton, 3x capped and noodled six stacks from the left feeder station
67: very fast canburglars, 3x capped and noodled stacks from the...
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Forum: Off-Season Events
05-29-2015, 04:11 PM
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Replies: 110
Views: 40,248
Re: 2015 IRI Invitation List
548
1023
1711
Cool to see the whole Michigan State Championship winning alliance made it on the invite list. It doesn't look like any of the other districts have all three winning alliance members...
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Forum: Extra Discussion
05-26-2015, 10:21 AM
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Replies: 10
Views: 2,343
Re: pic: Help with solid works gears
Here is a solidworks file used to design a 3 CIM gearbox:
https://drive.google.com/file/d/0ByD-76MlLKpkQU1iYVFmMVNTaFU/view?usp=sharing
It has a 50 tooth gear in the center, with three cims with...
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Forum: Technical Discussion
05-22-2015, 11:22 AM
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Replies: 8
Views: 2,142
Re: Waterjet accuracy?
548 has quite a bit of waterjet experience, so I'll let you know how we do gearboxes. This only applies to our waterjet and waterjet software, so make sure you try a test piece before cutting too...
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Forum: Technical Discussion
05-20-2015, 05:10 PM
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Replies: 37
Views: 4,864
Re: Construction with gussets and bolts
Adam is right.
Fasteners work best when they generate clamping forces high enough that the friction between the two parts being fastened is enough to keep the joint from moving. The bolt or rivet is...
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Forum: Extra Discussion
05-20-2015, 05:00 PM
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Replies: 37
Views: 10,775
Re: pic: Simple Chain-in-Tube Concept
Thanks for the CAD, looks pretty darn simple and bulletproof.
As far as colsons, Vexpro has 4", 3.5", and 3" Colsons. If we build something like your design I think we will use 1/2" smaller dia...
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