Title pretty much says it all. I just don’t understand why you need 8 wheels. It just seems a bit excessive to me.
Possible 4 traction wheels in the middle if ur doing 8 wheels, instead of 2 traction wheels w/ 6.
Probably it’s because more wheels touching the ground can give more friction. It will help us to rotate the wheels to put more rotation force on the ground, impacting a little bit for speed and stuff and spreading the weight more so it’s good for weight heavier robots.
I’ll be completely honest with you.
The reason is that 515R came out with a video that said that more wheels = more better. Also, most top U.S. teams are running 8 wheels.
I’ve never tested whether more wheels give a better drive. If another team has, I would love to see it.
watch 515r spin up worlds bot explanation Ben gives very good explanation
Multiple reasons:
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8 wheels allows for 2 traction wheels in the center, which even further helps with resistance against pushing from the side
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4 sets of driven gears means that you can run 6 motors inline with each other, simplifying your drivebase
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For more compact gearings like 2.75" 450rpm, 4 wheels help stretch out the drivetrain, allowing for more space
You font “need” 8 wheels. loads of teams only yuse 4 or 6. people usually prefer to have more wheels because it causes less sink into the foam mats due to a larger contact patch meaning your robot moves around easier and puts less strain on your motors.