10s voltage means that that is the maximum you can have. 6s would be fine for that. Also, 2 esc would connect together via a canbus connector such as this one. http://www.ollinboardcompany.com/product/canbus-connector-for-vedder-s-motor-controller You won’t need it though.
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You would connect the master to the batteries that are connected in series, and then slave esc would connect via can-bus to the master.
Is http://www.hobbyking.com/hobbyking/store/_67773__Turnigy_Aerodrive_SK3_6364_245kv_Brushless_Outrunner_Motor_AR_Warehouse.html good? It seems like the motor is a bit too much for one wheel. I’m starting to actually get into that 1 motor or none idea. Is 3200W too much for one wheel? Will it yank a 119 pounds guy? Should the motor be on heel side or toe side? And does it have enough torque to climb up steep hills? And if I were to want to upgrade to dual, is it enough room?
Heel side/toe side is all about preference really. It’s more of a matter of whether you feel more comfortable leaning back or forward under acceleration. That being said, heel side has totes more pressure on the drive wheel, which means more friction and thus more traction.
What is very important to note is that the turning effect of having one motor is very very small, in comparison to the weight of your body and how you apply that on your boards gas pedals. Boards have a very long wheelbase, and a very short axle length. This means that the turning torque about the pivot point somewhere in the centre of the board is very small, so the ‘yanking’ turning force is always going to be small, in comparison to the yanking force forward (or backward on your body). Negligible, in fact. You won’t even feel it, cognitively, as your body will naturally react to oppose it to get you to go straight.
So, long and short of it, that motor would be fine for you, you will just need to set the acceleration at a comfortable level so as not to be yanked backwards and fall off the board in that way.
As regards hills, depends how steep. That motor will be fine for you for most common grades.
As regards adding another motor, you won’t have enough space with that motor to do a dual rear drive, but there is nothing wrong with putting it on the front. I actually find dual diagonal way more comfortable and agile than dual rear. But if you want to powerslide, go dual rear, and in that case you should be looking for a 6355 or there abouts motor.
Have u done any reading on this yet? Everything ur asking is covered on this forum just look it up.
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Do you want DIY? Or buy a piece of dual motor electric longboard? 600$ Enough to buy http://www.gearlab.us/electric-board.html