Forum: General Forum
06-05-2016, 20:12
|
|
Replies: 34
Views: 3,304
Re: Looking for a hassle-free 3D printer
I would also recommend the Lulzbot Mini. I bought it from amazon and 2 days later I was printing - no hassles at all. I have used it with PLA and ABS. ABS was very good for low impact FRC parts this...
|
|
Forum: Extra Discussion
22-04-2016, 11:34
|
|
Replies: 20
Views: 2,377
Re: pic: 3D Print Limit Switch CFiber
I have stayed away from carbon fiber materials on my Lulzbot Mini due to a statement on their website (https://www.lulzbot.com/taz-cura-profiles) and this article...
|
|
Forum: Regional Competitions
29-03-2016, 20:37
|
|
Replies: 28
Views: 4,467
Re: 2016 Midwest Regional
From the FIRST website (http://www.firstinspires.org/about/vision-and-mission)
rich2202 is not a Gracious Professional.
|
|
Forum: Technical Discussion
02-02-2016, 15:32
|
|
Replies: 14
Views: 2,114
Re: mecanum wheel intake test
What is your spacing between mecanum wheels? We are finding some dead zones if we space them out too much.
Here's a picture from a few days ago....
|
|
Forum: Rules/Strategy
13-01-2016, 13:58
|
|
Replies: 13
Views: 1,316
Re: The Sally Door
If opening the sally port is tricky, hold it open for an alliance partner and then following them through would be ideal. You only have to manipulate it once to damage it.
|
|
Forum: General Forum
26-03-2015, 17:23
|
|
Replies: 145
Views: 41,053
Re: Canburglar Mechanisms
Add 1736. We consistently took at least 1 off the step during auto at Central Illinois. Video here (https://www.youtube.com/watch?v=7xKIfHtcGEg&index=11&list=PLmgc4_l37GLA5K5XzqJXyAV8g1rINyrAU) of a...
|
|
Forum: General Forum
18-03-2015, 23:58
|
|
Replies: 74
Views: 8,408
Re: What to use for ballast
We had a lead plate attached to the bottom side of our robot last year. It worked wonderfully as ballast... ::safety::
We didn't know about the possible restrictions on this material. We just bought...
|
|
Forum: Pneumatics
01-02-2015, 13:16
|
|
Replies: 26
Views: 4,223
|
|
Forum: Extra Discussion
26-01-2015, 21:23
|
|
Replies: 14
Views: 4,479
|
|
Forum: General Forum
26-01-2015, 08:58
|
|
Replies: 34
Views: 5,413
|
|
Forum: Rules/Strategy
12-01-2015, 15:46
|
|
Replies: 36
Views: 10,260
|
|
Forum: Electrical
02-01-2015, 13:29
|
|
Replies: 21
Views: 4,084
|
|
Forum: General Forum
10-12-2014, 13:21
|
|
Replies: 16
Views: 3,572
Re: Too many students in the build site
We had this issue and ended up relocating our entire team from a classroom to a warehouse. I don't know how practical this is for your team, but it definitely fixed our overcrowding issue.
|
|
Forum: Technical Discussion
20-11-2014, 15:10
|
|
Replies: 34
Views: 5,920
|
|
Forum: General Forum
07-11-2014, 21:12
|
|
Replies: 10
Views: 1,659
Re: Rookie Team Trying to Gain Experience
You can try an RC car brushed motor ESC. They vary in cost a lot based on features and rating.
Here's one for $5. (https://www.hobbyking.com/hobbyking/store/uh_viewItem.asp?idProduct=33300)
This...
|
|
Forum: Technical Discussion
24-07-2014, 17:33
|
|
Replies: 13
Views: 2,939
Re: High Torque Arm design questions
We used a lead screw with a push rod back in '07. We also used gas shocks to offset the weight of the arm. This method was nice because it avoided a large sprocket and...
|
|
Forum: General Forum
14-06-2014, 17:56
|
|
Replies: 111
Views: 17,939
Re: Indiana going to Districts for 2015
Does anyone know the details of why Illinois was not included in this? Last fall, Dan Green, the Executive Director of Illinois FIRST, was confident that we would have an Illinois-Indiana district...
|
|
Forum: Technical Discussion
07-05-2014, 15:11
|
|
Replies: 13
Views: 1,949
Re: Retaining Things?
From my experience, shaft collars work great for 1/2" hex or round. We make sure to put thread lock on the clamping screw and I haven't had one fall off. Vex 's hex spacers also work well for spacing...
|
|
Forum: Technical Discussion
02-05-2014, 12:04
|
|
Replies: 22
Views: 3,526
Re: 4-speed gear automatic gearbox
It would be cool and fun to design, but probably not practical for an FRC game if used like an automatic transmission. Like other people have said, the field is too small to decrease travel time...
|
|
Forum: General Forum
15-03-2014, 09:58
|
|
Replies: 16
Views: 2,302
Re: Eliminating Arm Wobble
In 07, we used a motor driven lead screw to move a linkage connected to our arm. The screw did a good job of holding the arm stable. We also had some gas springs to offset the weight of the arm. The...
|
|
Forum: Regional Competitions
04-03-2014, 13:41
|
|
Replies: 159
Views: 28,926
Re: New Central Illinois Regional Looking Good!
I had to call dead ball a few times with no issue. I would take the card around the driver station wall and get near enough to a corner ref where I could yell for him or her to look over and see the...
|
|
Forum: Kit & Additional Hardware
03-03-2014, 16:13
|
|
Replies: 23
Views: 4,620
Re: Kitbots after Week 1
We used an AM14U with the 8wd upgrade and Vex Pro 3 CIM ball shifters. We also added a bellypan of perforated polycarbonate similar to this (http://www.andymark.com/product-p/am-0836.htm). It...
|
|
Forum: General Forum
01-03-2014, 21:31
|
|
Replies: 7
Views: 1,585
|
|
Forum: Regional Competitions
01-03-2014, 20:16
|
|
Replies: 159
Views: 28,926
Re: New Central Illinois Regional Looking Good!
By the time we got off the field, the final match score had already been determined and shown on the big screen.
We immediately took the robot to the question box and showed the damage. The refs...
|
|
Forum: Regional Competitions
01-03-2014, 19:52
|
|
Replies: 159
Views: 28,926
Re: New Central Illinois Regional Looking Good!
For reference:
The cylinders below are inside our frame perimeter at all times. More than once, another robot's pickup mechanism entered our frame perimeter and bent these rods. The pictures are...
|
22 motors? Challenge Accepted. - gyroscopeRaptor [more] 
