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Today 08:54 AM
Touch it own it
IMO the question here is flawed. Don't worry about getting intake v1 or v2 to work perfectly. Instead, iterate quickly from v1 to v2 to v3 to v15. Many small, quick iterative improvements will result...
(321 views, 3 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...
(980 views, 19 replies)
Today 06:45 AM
Team 254 Presents: Our 20th Season Recap
The 254th day of the year is 9/11
(1,080 views, 11 replies)
Today 01:59 AM
pic: 2 speed flipped 4 775 pro gearbox
I normally do approximately 6mm wide by 6mm thick webbing. Especially if this is your first custom gearbox like this, compromising with thinner webs may not be a good idea.
(410 views, 5 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...
(418 views, 11 replies)
Today 12:08 AM
CNC Routers for FRC Robotics
That's the style we use. Not sure why it's listed as DIY. It's a product. You can actually adjust the spring preload with the set screws in the corner. There are quite a number of pressure foot...
(77,823 views, 341 replies)
Yesterday 09:11 PM
Ramp Riot 2018: The Official Thread
(947 views, 6 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...
(843 views, 6 replies)
Yesterday 08:24 PM
Team 4048 - swerve drive code release
Ah, fair enough, I missed that. Teaching by example works great!
(358 views, 4 replies)
Yesterday 08:12 PM
Assembling VexPro 2-CIM Ball Shifter Gearboxes?
Sounds like a great mechanism for the 2018-2019 games!
(616 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...
(1,442 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!
(622 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...
(248 views, 0 replies)
Yesterday 04:23 PM
Stall testing 775 Pro, surprisingly poor result
And how do modern current control mode motor controllers (both inside and outside FRC) control current? By adjusting the average output voltage to limit the current. A magnetic induction based...
(7,204 views, 107 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...
(702 views, 5 replies)
Yesterday 12:21 PM
Shadetree Robotics signs off
You should be proud! 3999 has far exceeded expectations over the years given your small number of students and no formal school support. Community teams have a difficult set of challenges.
(1,637 views, 5 replies)
Yesterday 10:46 AM
Updating the ftc_app
Okay, but how do I update my existing code to the SDK?
(386 views, 2 replies)