Drunkskunk wrote:Don't get me wrong, I'm not knocking all friction rollers. Just the application of this one. Friction rollers are fine for use when its flat and dry, and reasonably clean road conditions. For wet, dirty conditions, and hill climbing, friction rollers are the wrong tool for the job.
you wouldn't take a Porche 911 turbo to go rock cralling in Moab, and you wouldn't take a lifted rock crawler Jeep to race in La Mons.
John in CR wrote:2 Kollmorgens with voltage boosted to 48V, or a pair of RC motors.
EVTodd wrote:John in CR wrote:2 Kollmorgens with voltage boosted to 48V, or a pair of RC motors.
John, I've talked to a couple of people about dual Kollmorgens but I would personally just go with higher and higher voltages until I was happy with the power. 2 Kollmorgens both with external controllers would start to get expensive. I will say though, Kollmorgens do have a nice amount of torque and 2 would really be a kick.
Matt, good to hear that you can drive 2 controllers off of one servo tester. In that case I'll probably go with another cheap hall throttle with a voltage regulator to power it.
etard wrote:I will use a conical roller (fat at edges, skinny in the middle) to keep it from walking side to side.
etard wrote:For me the money isnt so much the issue, and all I hear is castle creations, nothing else works right. I want dependability.
recumpence wrote:The only problem with a conical roller is friction. If it too closely matches the tire shape, you will have huge friction. I would make it flat with side dams (large washers) as flanges to keep it on the tire.
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