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Today 11:45 AM
FRC Season Pins
Hi Seth, I happen to have an extra Steamworks pin that I would be happy to send you. I'll email you for contact details.
(277 views, 2 replies)
Today 11:23 AM
pic: 2 speed flipped 4 775 pro gearbox
Not sure if you've seen our 2018 gearboxes but they look to be pretty similar. Something we did was instead of webbing the plate for vents we pocketed out the area around the motor mounts to create a...
(446 views, 6 replies)
Today 11:08 AM
Stall testing 775 Pro, surprisingly poor result
Thanks, this is a good overview of how it works. The only thing I would point out is that all modern FRC motor controllers are synchronously rectified so they do not use body diodes to decay the...
(7,316 views, 109 replies)
Today 10:56 AM
Ramp Riot 2018: The Official Thread
When will the attending teams list be updated?
(967 views, 7 replies)
Today 10:49 AM
paper: AMB Design Spreadsheet
I just uploaded version 2.1. Here's what's new: • Supports forward sprint distance calculation for shifting drivetrains. The formula assumes the drivetrain shifts instantly, and at the perfect time....
(664 views, 7 replies)
Today 09:33 AM
2018 IndyRAGE - September 28-29
When is the latest to apply? We originally were not going to come out, since we only had 1 girl on the team, but recruiting has yielding 8 new female members. We still don't have an accurate gage on...
(296 views, 2 replies)
Today 09:16 AM
[FF]: [OFF] MARC 2018
And we're gonna cap it here, at two tiers, with the 18 currently signed up.
(228 views, 19 replies)
Chris is me
Today 07:48 AM
pic: Pseudo-Differential Swerve
Just depends on if you need the height vs the width more. A lot of games I'd prefer to take up more space in and under the chassis plane than above it, but I suppose just as many games with tighter...
(1,010 views, 19 replies)
Today 06:45 AM
Team 254 Presents: Our 20th Season Recap
The 254th day of the year is 9/11
(1,161 views, 11 replies)
Today 01:06 AM
pic: GBX-165, epicyclic differential swerve
The steering ratio is B/A+1, which in this case is 28/14+1 = 3. However, the upstream ratio only ends up needing to be a square of 28/14. Don't ask me why, because I'm not very clear on it myself. I...
(439 views, 11 replies)
Yesterday 08:26 PM
pic: Low Profile Fully Enclosed Swerve
For the last couple years GRT has inverted the CIM motors. The CIM clears the field by about 1/2" and the shaft is about the tallest part of the swerve. I will try to get a picture of it tomorrow...
(855 views, 6 replies)
Yesterday 08:24 PM
Team 4048 - swerve drive code release
Ah, fair enough, I missed that. Teaching by example works great!
(366 views, 4 replies)
Yesterday 08:12 PM
Assembling VexPro 2-CIM Ball Shifter Gearboxes?
Sounds like a great mechanism for the 2018-2019 games!
(625 views, 9 replies)
Yesterday 06:44 PM
[FF]: 2019 Season Long Fantasy FIRST
1. Falcon (EricH) 2. 1.21 GW (Hailey.faiella, SnapDragon, thefoxisloose, AltSudo, Attention) 3. Questionable Decisionmakers (Brian Maher, TDav540, saikiranra, Kellen Hill) 4. The Breakfast Company...
(1,444 views, 27 replies)
Yesterday 06:30 PM
Colorado Off Season Event: BIG NEWS!!
I fixed the form, y'all should be able to reply now. Thanks for the heads up!
(645 views, 3 replies)
Yesterday 06:13 PM
Summer Training Results
Being a rookie team, for our first year of training new kids, we decided to hold a mock build season over the summer. Now it wasn't exactly like a real season, although six weeks long, they only...
(268 views, 0 replies)
Yesterday 02:19 PM
pic: Zebracorn Telepresence Robots
For those interested, we can invite you to some of our team meetings this fall to interact with actual Zebracorns. Shoot me a PM with your email address. I can't promise I'll arrange anything for...
(714 views, 5 replies)