Forum: Robot Showcase
24-02-2016, 13:00
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Replies: 1
Views: 1,503
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Forum: Technical Discussion
22-02-2016, 14:10
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Replies: 15
Views: 2,173
Re: VersaPlanetary Failures
Thanks for all the suggestions, everyone. Much appreciated.
The gearboxes could definitely use some more grease, so we'll make sure that's taken care of when putting these back together.
It looks...
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Forum: Technical Discussion
21-02-2016, 23:24
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Replies: 15
Views: 2,173
Re: VersaPlanetary Failures
Whoops, looks like I accidentally deleted that info from my original post. I don't have a picture at the moment, but it's for a flywheel style shooter. We're using a single stage 3:1 drivenby a...
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Forum: Technical Discussion
21-02-2016, 22:15
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Replies: 15
Views: 2,173
VersaPlanetary Failures
Hi all,
Looking for some advice if anyone has seen failures like this before or has insight into the root cause, so we can prevent it from happening again. I've attached some pictures, but basically...
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Forum: Motors
17-02-2016, 00:25
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Replies: 9
Views: 1,278
Re: 775 pro performance and break in
We're using 775pros with VersaPlaneteries in multiple places with no problem really (3:1, 30:1, and 100:1). The 3:1 goes into a 1:1.2 driving 4" AndyMark Stealth Wheels. At about 7k RPM (at the...
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Forum: General Forum
16-04-2015, 18:48
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Replies: 88
Views: 12,783
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Forum: Championship Event
08-04-2015, 15:25
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Replies: 95
Views: 19,675
Re: 2015 Waitlist Spots
This is definitely the case. Teams offered a spot are immediately given "Registered" status. If they decline, they are removed.
From the email:
"Your team has been moved from Wait List status to...
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Forum: Regional Competitions
16-03-2014, 15:55
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Replies: 28
Views: 3,832
Re: 2014 Sacramento Regional
First off, I want to thank everyone involved in putting on this regional. It was a great event, as it always has been. I'm really proud of what our students accomplished this weekend. We had a very...
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Forum: General Forum
11-08-2013, 02:32
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Replies: 15
Views: 3,554
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Forum: Technical Discussion
14-04-2013, 02:22
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Replies: 12
Views: 2,494
Re: Best Dual Speed Shifters?
They would be able to with custom made plates (or maybe you could put two in series, where the output from one is chain driven the second where the input is the output shaft; this would require lots...
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Forum: Regional Competitions
06-04-2013, 01:20
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Replies: 94
Views: 19,361
Re: 2013 SVR
Field is so deep this year, it's hard to look at the match schedule and determine the outcome for a game.
So far things haven't gone as we'd like on the field. But we've been improving quite a bit -...
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Forum: Technical Discussion
18-03-2013, 23:35
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Replies: 18
Views: 4,462
Re: CNC Plasma Cutting Chassis
Yes, but depending on the quality and calibration of your machine, you may have to have them be cut small and then drilled to size.
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Forum: Technical Discussion
17-03-2013, 22:50
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Replies: 18
Views: 4,462
Re: CNC Plasma Cutting Chassis
Yep, we do a lot of stuff out of aluminum.
Not sure what system you have, and there are a lot of variables at play here, but what we've found is that it's better to run slower feed rates than...
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Forum: Robot Showcase
05-03-2013, 03:02
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Replies: 68
Views: 19,965
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Forum: Off-Season Events
17-10-2012, 00:42
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Replies: 51
Views: 10,277
Re: CalGames 2012: Info
Thanks for clearing that up. There must have been some miscommunication/misunderstanding. This makes much more sense than the impression I was under.
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Forum: Off-Season Events
15-10-2012, 23:57
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Replies: 51
Views: 10,277
Re: CalGames 2012: Info
As an alumni, it's always great going back to CalGames, helping out my team, and enjoying the competition. As always, Woodside put on a great event, and a huge thank you to them.
On a side note,...
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Forum: General Forum
02-11-2011, 12:56
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Replies: 26
Views: 3,035
Re: BeagleBone
Another similar, but much cheaper board, is also coming out soon. It's called Raspberry Pi (http://raspberrypi.org), and you lose a bit of power (700mhz ARM11 but still has a graphics chip) but it...
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Forum: General Forum
02-08-2011, 22:49
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Replies: 27
Views: 3,908
Re: Empty Field Picture
If you give me a general idea of the type of view you want, I can render the CAD for you and post an image up.
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Forum: General Forum
02-08-2011, 22:46
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Replies: 27
Views: 3,908
Re: Empty Field Picture
PTC has the full field available here (http://www.catalogds.com/db/service?d=first&c=browse). It is only Pro/E format, though.
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Forum: Technical Discussion
31-07-2011, 17:46
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Replies: 26
Views: 2,907
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Forum: Technical Discussion
31-07-2011, 15:29
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Replies: 26
Views: 2,907
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Forum: General Forum
05-06-2011, 17:36
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Replies: 14
Views: 7,623
Re: USB Steering Wheel
We've used a steering wheel for at least the past 6 years. Any USB wheel should work pretty easily (almost all are plug-and-play compliant now). Just use the Windows Gamepad Utility to figure which...
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Forum: General Forum
17-04-2011, 15:41
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Replies: 171
Views: 26,717
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Forum: Programming
26-03-2011, 23:21
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Replies: 91
Views: 9,230
Re: The Hardest Drive System To Program:
Crab is simply a TYPE of swerve drive, but they are not the same. Swerve is just the ability to have sets of wheels that can rotate. Crab drive is a type of swerve drive where all the wheels are...
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Forum: Extra Discussion
25-03-2011, 17:07
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Replies: 12
Views: 4,873
Re: pic: Twisted Hex Shaft
T7351 Actually.
It was on our arm. Basically we have 2 Banebot's gearboxes with chain running up to the arm. We have approx. 50 lb-ft of torque (don't worry, 1:4 chain reduction, only 6.25 lb-ft...
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Dean may have asked that every high school in America be involved with FIRST, but he never said [teams] all had to have separate high schools. - Amanda Morrison [more] 
