Size and performance is more important to me than cost. Size is often a restricting factor, based on skateboard design. Especially in the 6355 lengths.
Maybe others have other opinions.
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Proven performance and longevity. If a more powerful smaller motor could be made that never broke then there would be serious interest from seasoned builders I’m sure.
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Yes, as @BigBen mentioned, reliability is #1. If it doesn’t work, then it’s not worth anything.
So imagine the motor being violently shaken one million times while being hit with rocks and metal dust while splashing through brine. That kind of reliability.
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Just one million times Brian? You’re getting soft in your old age…
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Sealed motors, no water=rust, no stones, no grease!! This is a new one for people running gears with front open motors. I never had broken magnets, but I had axles coming out from cans like crazy
A bearing is not a seal
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The Baja brakes with all four motors either if it’s in 2WD or 4WD Mode. But they’re smooth as butter.
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That’s good to hear. Super stoked to make my own motor.
So when are these TB motors going to be available?
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@torqueboards How many amps can your 6374 Motor do continuously? (Just asking because I found it weird that on your site they all max at the same amperage)
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Because, essentially, they all have the same material for their windings, so what differentiates them is how long it takes them to get hot at a certain current / how much heat can be dissipated / escape.
My personal recommendation would be 40A for their 6355, 60A for 6374, and maybe 70A for the 6380. (I only own the 6355, others I’m guessing by experience of running Maytech motors which are more closed off)
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Hmm… Thanks man! Right now I’m already running a single 6355 from them at 75amps and it takes it like a champ…
Then trust your own results more, since riding styles differ. My results were from climbing steep hills for an extended period of time, and just measured temperature based on if I could touch them with my hand 
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Alrighty! Thanks for the help though!
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Also depends on ambient temperature and sun. Here in Arizona, all motors start overheating at 0 amps…
I would also like to make a recommendation to @torqueboards
Convex magnets, 90° off set screws, and if you can manage a new design, halbach arrays.
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I ran 80 amps max on dual 6380s and they only got warm, but not too hot, touchable. But this was maybe 10 miles of use max mainly full throttle whenever possible before something happened to my board and had to stop.
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63100 motor with 130-150 kv
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