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Spockie-Tech
Site Admin
Joined: 31 May 2004
Posts: 3160
Location: Melbourne, Australia
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Ive written a couple of times on these wheels as well.
They are what Inspector General used to use..
Definitely not recommended for new builders.
They are *heavy.. so much so you have to drill holes in the tread to try and get the weight down.
The high rotational inertia of them will smash drill gearboxes much faster on full power reversals. If you *must run them, run them *slow (dont bother trying to overvolt your drills for speed, you will just munch gearboxes without heroic efforts to absorb shock reversion loads).
You could probably help a bit with a clever radio and a gentle slew-dampen / ramping on the throttle channel.
As Andrew said, the hubs are way too weak, you need to come up with a system of moving the drive torque point to edge of the rim, not the center or they will strip out.
Yes, they are an easy way to make a thin robot invertible, but they require a lot of work to get *reliable.. you cant just bolt them on and get "reasonable" reliability like you can with the red wheels.
The infamous red wheels are "carefully matched" to the drill gearboxes capabilities. Even just upping the traction significantly with a stickier same size wheel like a colson will translate into drill gearbox problems.. the red wheels hard rubber gives you some slip and stops too much torque from causing drive problems.
If you want to use them, feel free, but be gentle with the motor power or have a good supply of replacement gearboxes on hand ! _________________ Great minds discuss ideas. Average minds discuss events. Small minds discuss people
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Fri Jan 13, 2017 10:54 am |
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