Hey I was wondering what everyone thinks about wheels for robots. Are 2 or 3 wheels on each sides better? Does it change the ability to control the robot or the speed? Please tell me what you guys think.
Normally teams go for 4 wheels.
I don’t know for sure, but he may have been asking if H drive or tank drive is better for iq
In Iq I always used 3 or 4 wheels for my drive tho 3 was never the best.
Yeah a 6 wheel drive is overkill unless you’re using traction wheels in the center to prevent pushing from the side.
a 4 wheel tank drive is the standard for most drive bases, but a 6 wheel tamk drive can distribute the weight of a robot better
No I was talking only 3 Wheels not 6. but I think a 4 wheel tank or 4 wheel X-Drive would be best.
Actually, this is labeled as “VRC Change Up”. We have only ever used 6 wheels for TP, but that was only because the front wheels were raised so as to more easily get onto the platform.
Generally speaking people do a 4 wheel base for convenience, but the main benefit for a 6 wheel is to lock the middle wheels to prevent pushing.
Power wise, if you have v5’s you should be good with 4 wheels. But if you have v4’s then you should probably think about going with 6 wheels with a motor on each one to increase power.
This doesn’t make sense given that you can still have a 6m 393 base with only 4 wheels by simply gearing one of the extra motors to either the back or front wheel.
Plus you should really gear your drive together no matter what so if your in a pushing match with a bot that has a wedge your not at too big a disadvantage
I mean yeah, I guess, though I think just having three would probably be easier to build. Depends on what you want, really.
Many people opt for either a geared or chained drive anyway, so the argument that it allows you to connect motors to the drive easier typically becomes irrelevant.
ah ok that makes more sense
depends. Our tower takeover bot had 4 drive wheels, but had an additional 2 that popped out the back to steady the tray (our tray could hold 12 cubes at one point).
This year we are exploring the possibility of using an x drive, and will utilize 4 wheels. The number of wheels you need depends on your design. For a wall bot, you may want 6, so you can have a 6 motor drive. For Small/medium bots 4 is the best, due to reduced friction. For large heavy bots like our old one, 4 wheel drive as well as additional wheelie bars can be helpful. In the end it really depends on your bot, but normally 4 wheels in total is normal.
i think 1 wheel per side is good enuf
Riiiiight… I’d like to see that in action.
IIRC having a 6 wheel drive with the middle wheel’s center dropped can lead to good performance in turning (point turn). You can also lock the center wheel to prevent getting pushed (locking omnis in a 4 wheel drive can create some problems on turning).
However, a 6 wheel drive is usually pretty big, and I’m a fan of the small base gang