Our to roller is at 600 rpm, which is direct driven by the blue cartridge. I was wondering if this is fast enough, and it seems that it isn’t the best. What are all you guys’ top roller speeds at?
600 is a bit on the slow side, I run around 1100.
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That’s kind of what I thought. I think we’re gonna have to chain it up faster
we’re running at 1260 right now on 30 tooth sprockets
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I’d suggest you speed it up a bit. I have mine running at about 900 rpm on a 30 tooth sprocket. Remember larger sprockets have increased tip speed.
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We’re on 24t sprockets
1800 RPM for me. Works fine. Might go back to 1200 if it becomes too much.
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1800 rpm, and what size sprockets? The difference between a 6 tooth and a 30 tooth is a lot.
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This thread should be talking in terms of tangential speed. It makes no sense to talk about angular speed only in this case.
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The big ones.
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Depends on whether or not you’re trying to shoot the balls with a flywheel or just have a roller to push them up and over, and on the size of the roller/wheel. Flywheel’s need to be a tad heavier to store inertia and need higher rpms, while rollers need more torque and are only hindered by extra weight. If you’re using a mid sized roller I’d say 600rpm is too slow, but if you’re using a larger-sized roller or sharing the motor power to multiple other rollers that might be fine. Ultimately I’d recommend trying multiple speeds and finding which one works best for your bot, and testing to see how long it takes each setup to overheat.
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