Gents, I’m going to insert myself here and try to reel this thing in a little and bring it back to the more common ground for people around here that have a more average situation. Self serving? Sure. But I’m going to do it anyway. And, likely it’ll be good for the community at large. Both of you gentlemen, @onloop and @chaka are respected figures around these parts and both of you guys have a some great products. Even in this thread you’ve both conceded some points to the other. I think this 50mm vs 63mm motor discussion is a good one. And i really think to nail this thing down, maybe we should frame it in the context of a single drive motor and eliminate some variables. Shall we?
Let assume a fairly middle of the road setup with middle of the road aspirations. Our guy, let’s call him J1m0007, wants a top speed of around 20mph and has hills maxing out at 20% grade in his general area. He’s going to build a board in order to work towards those aspirations.
He doesn’t want to go face-melting fast.
He doesn’t want to climb Mt. Everest.
He doesn’t want to spend the next 6 months tinkering with different drive train components.
He’s going to buy an average board with average wheels, gearing and power:
83mm Wheels
36/14T drive for a 2.57 : 1 drive ratio. EDIT! I meant 14t Not 16
10s – because @onloop and @torqueboards and others make great plug and ride solutions and Li-Ion is dope.
Let’s assume J1m is the weight of the average male in the UK for the sake of argument 180lbs (~81Kg).
If you run the numbers here: http://toddy616.blogspot.be/2013/07/electric-skateboard-calculator.html J1m ends up with just the right amount of speed he desires.
J1m could pick @onloop’s 190kv 63mm Motor (6372)
http://www.enertionboards.com/electric-skateboard-parts/6374-190kv-electric-skateboard-motor/
or @chaka’s 50mm 200kv Motor (5065)
http://www.ollinboardcompany.com/product/om5065-200kv
Both of which recommend the gearing described above for a single motor setup on their product pages.
So, if J1m wanted to meet his criteria in a board AND protect the longevity of his components (VESC, Battery and Motor alike) heat exposure and related corrosion, which would J1m want to pick and, as @onloop is keen on stressing the importance of, WHY?