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Re: What wheel to use for the flywheel
Two banebots blue wheels, 3-7/8", seem to have good inertia. And they grip well. Only issue is the already talked about "film" build up on the wheels after shooting a lot of fuel.
Varying the compression even an eighth of an inch had a big impact, so make sure you're not using a narrow flywheel. The holes in the fuel will ruin all your planning. |
Re: What wheel to use for the flywheel
This is what we are using. https://www.mcmaster.com/#2497k16/=16a565k
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Didn't realize there are two type of 4"wheel with 50a durometer
I order the stealth wheel and then see people talking about the compliant wheel. Does anybody know how different they are Should I buy the compliant wheel instead |
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My team actually have been using 4" x 2" Colsons, we filed the wheel down so that it wasn't crowned anymore and we have had amazing consistency so far.
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Re: What wheel to use for the flywheel
Our team has had a 90% built robot for the past 1 1/2 weeks.
We tried many things from weight of flywheel, adjustments to speed, varying the metering feeder wheels, indexing of balls, and shooter width. We also incorporated the use of a PID using the VEXPro Versa gearbox with an integrated encoder using a 2-775 Pro setup. The biggest factor we are finding are orientation of the balls as it enters our metering wheel and then shooter. Orient them all the same way and we will hit 29 of 30 shots. Orient them another way and we will miss practically all of them. So how do we account for it? Well, thats today and tomorrow's adjustment.:rolleyes: If that doesnt work, we will live with what we have. If we slow things down a bit, we can achieve close to 80% accuracy. If we shoot as fast as possible, we can shoot 30 to 35 balls in less than 5 seconds, making 50-60% of the shots. Hopefully, with our adjustments today, we can shoot fast but achieve a much higher success rate. If we can do that, we plan to share it with all of our Hawaiian friends here. :) |
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Seriously though, I'm pretty confident we'll see effective shooters using a variety of wheel types. I am not confident that there is an "in general" superior shooter wheel when it comes to COTS parts. So many factors such as compression, feeding, and style of shooter will affect what characteristics you're looking for in your shooter wheel. |
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That said, I have a few specific questions: 1) what wheel are you using? 2) what compression are you targeting? 3) what exactly do you mean by a "metering" wheel? (I have a guess) |
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Our shot up close can change by as much as 2ft as well as varying velocity and arc path. |
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