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Well, the diameter on the intake rollers they sold were too small to get the height we needed. I’ve seen them used effectively, but they need a lot of pressure to make them effective since the rubber is really stiff. Best for smaller diameter objects. We would have used tread for this application but it was too front heavy.
Have you used the intake rollers available on the vex website? I was wondering how they compare to the one’s you built.
@Firepalm1234
Awesome looking robot. Yours would have killed mine if it was all about looks. BUT!.. when it comes to performance my robot would ruin yours.
cool
Thanks, we chose to switch to a 5-wheel holonomic simply because it provided us with one extra motor (two sets of wheels on the side are essentially tank drive). We trashed our intake system.
Don’t! lol Basically, this robot had all the drive wheels in the back 60% of the robot. The four omnis are at the corners of the rectangle. The front is supported by a caster between the rollers. With an omni drive, you need equal pressure on all the wheels or it simply won’t work right. We had serious drive problems with this one…So I’d reccomend either counterbalancing the front, or just deal with a smaller intake width between the omni wheels. Excellent luck!
What is the configuration of your wheels on this? We can’t seem to make a bot with holonomic drive while still having a roller like that.
Awsome, but we students at Benson High school have come up with some pretty awsome things ourselves.
way more complicated then it needs to be
Thats sick
the bucket was free swinging from the arm, how they got it to tke the tolerance of holding all the balls until it got close enough to the goal is a mystery to me. its fantastic robot, i right now in my robotics club am working on a helicopter, and i hope to get it off the ground a small. after i hopefully get that i will start working on the steering mechanism
its like a giant erector set..
hope to see you guys in the 09-10 season
I don’t know what to tell you man, mechanical fixes are extremely case sensitive. This robot took like 50 bajillion design iterations before we were satisfied with it, making it really, really complicated. A free spinning axle is one that goes through smooth bearings so nothing stops it from turning. A gear has holes in it that you can place bolts through to attatch metal to it. Without being there, I can’t really help you. BTW, are you guys doing FTC or VRC?
lol ye I just wanted to know how you guys made the bucket free swinging and what did u guys do to make the arm go, like how did u guys attach the gears and what powers the arm and where
im on my school robotics team and we have similar issues so it would be fantastic if i knew
Thanks a bunch
I’m not entirely sure I know the question, but basically the arm crawls around the two large gears, fixed solidly to the uprights, with two smaller gears. The bucket is free swinging…
hey dude
really incredible arm
how did u make the bucket pivot from the arm?
That’s kind of cool. If a robot could be made to pick up any platonic solid then, possibly, gathering of given materials in a location could be automated given the retrieval process seems so simple.
we are community based.
wut school wus this?
haha i remember your team from the ct championchips, team 90, robo warriors
holy ****
FTC 6 The Driven Nuts
Check out the video of this year’s robot too! It competes quite a bit better than this one did…
dude you guys have to come to my house… there is tennis balls eveeery weeree