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electric-skateboard

#1

Hi electric skateboard builders,
For the past few days I have been researching how DIY electric skateboard works, and I have few parts I found that I’m really interesting in. I have 1 years of experience on building RC quad-copter and fix-wing but have never touched cars or some thing that runs on ground, I also never skate before, so for my first build I want it to be easy to build and low chance of error. My ideal top speed is 30MPH ± 5MPH, I really don’t want to go too fast because I never skate before and using this calculator I got Weighted Top Speed ~27MPH. so my concerns are if my parts gonna fit other parts and are there any better alternatives? your input would be much appreciated :slight_smile:

Dual Motor Mechanical Kit $325.00 from http://diyelectricskateboard.com/
http://diyelectricskateboard.com/diy-electric-skateboard-kits-parts/torqueboards-dual-motor-mechanical-kit/
Motor Mount, Trucks, 16/36T Pulleys, 90mm wheel etc. Kinda expansive but all I need for low chance of error and better looking.

YOCAHER PUNKED CREST ONYX LONGBOARD DECK $45 from ebay
https://www.yocaher.com/product/punked-crest-onyx-drop-through-longboard-deck
The shape of this drop thru deck looks great. low flex.

Dual Motor Electric Skateboard Kit + VESC CanBus Connector $366.99 from http://diyelectricskateboard.com/
http://diyelectricskateboard.com/diy-electric-skateboard-kits-parts/vesc-canbus-connector/
http://diyelectricskateboard.com/diy-electric-skateboard-kits-parts/dual-motor-electric-skateboard-kit/
2X opensource VESCs + 2x 6355 230kv motors + CanBus Connector for VESC slave mode
I really like VESC, they are open source and has many features like reverse direction when using nunchuk, I wonder if this feature will ever come to normal controllers. also headlight, I wonder how he did it, never found any tutorial on it.
motors seems ok to me, 55 motor looks like the only option for dual rear, I would go for 76 for diagonal but I heard the board would want to turn one way if brake hard. @onloop

controller:
Quanum 2.4Ghz 3ch Pistol Grip Tx & Rx System $22.39 from hobbyking
http://www.hobbyking.com/hobbyking/store/_51700__Quanum_2_4Ghz_3ch_Pistol_Grip_Tx_Rx_System_US_Warehouse.html
This one looks small enough and cheap, I wanted to use nunchuk so I can do reverse direction and cruising control but I heard nunchuk drop out a lot and dangerous.

Batteries:
Turnigy 2200mAh 1S 40C Lipoly x21 from hobbyking


I brought these batteries for my racing quadcopter, and I have 21 of them left, I’m thinking on DIY it into 9S2P, so I don’t reach max RPM on VESC, at 9S2P I will have 37.8V 4400mAh full charged and capable of outputing 176 amps. I will build it as 6x3s batteries because my power lab 6 charger can only charge and balance up to 6s, so there will be a lot of connectors… you guys have any better idea?

electronic enclosure:
Plano 3600 Waterproof Stowaway from walmart


Cheap and easy, although it doesn’t look good but I want to gain access to batteries because 6x3s is too much connectors and I need to take out to charge. I will use some Velcro on batteries and VESC inside so it won’t fall off if lid pop open. the only concern is how I install this Plano box, do I just drill holes in the deck and Plano box then use bolts and nuts? what if these hole caused box to crack? any ideas?

LED:
9 Mode Multi Colour/Multi Function LED strip with Control Unit from hobbyking


I will use a spare channel from receiver for this led control. does control of esk8 only take 1 channel?

miscellaneous:
XT90, XT60, 10AWG WIRE, loctite, velcro, epoxy and tools
is skate T tool necessary? I have bunch nut screwdrivers will they fit?

Thanks in advance, looking forward to your suggestions!


#2

looks good! you will need some aluminum solder for the batteries because the usual stuff will not stick to the tabs.


#3

Got these aluminum solder flux ! It is pretty messy stuff, though. any idea on the enclosure? that is my biggest concern.


#4

Looks good, but I’ve had mixed experiences with yocaher products. I’d say go for a different deck, or better yet just build your own.


#5

Don’t get the quanum, it works for a bit and then after a while, it can’t bind. Also, battery is shit. No one on this forum will recommend the quanum.


#6

What about GT2B? It seems bulkier.


#7

I have a 12s lipo never used if you’re interested


#8

There are a few good remote options:
GT2B with 3d printed casing mod
2.4ghz trigger remote aliexpress sold by diyelectricskateboard
2.4ghz thumb remote sold by @Kaly


#9

Also suggest the GT2b over the Quanum. Quanum worked for me, but went through batteries pretty fast. And worst of all - looks like a gun. Not the best idea nowadays!

here’s an old how-to for moving GT2b into smaller badwolf enclosure. Relatively simple w/ some basic tools and solder skills.

HTH - GL!


#10

I can’t use 12s because my motor is 230kv


#11

CORRECT ANSWER!

hehehe - it looks like you have done your reading and research at least!

for wire i would suggest the wet noodle or superworm wire (on Amazon). 12g should be enough, but 10 will definitely work too.

Skate tool - YES! everything right where you need it when you need it. Go skate sometime with loose trucks and you’ll wish you had it in your pocket/bag to tighten them up! even an el-cheapo one of $5-6 is great to have.

Sometimes it will be easier to use your sockets like when assembling, but a skate tool is really handy for adjusting and small changes and maintenance.


#12

Sure you can i do.

I use dual 230kv on 12s. Gives me about 35 top speed with my weight. I weigh 210


#13

great tutorial! I have access to most tool needed but 3d printer, I think I will do the modding when I’m back to university, thanks for the suggestion!


#14

not doubting, but i thought that wasn’t possible. Multiple folks have killed their VESC trying.

what hw version VESC and any mods to support >200kv on 12s?


#15

are you using vedder esc?


#16

I didn’t have a 3d printer either - got mine printed from 3dhubs and another online store. worth the $ to make it so nice and small IMO. If you have access to one at university - even better!


#17

I don’t use the VESC. I use TB ESC’s which I have for sale if you’re interested.


#18

No I don’t use the VESC I use TB


#19

TB esc doesn’t have RPM limit, that is why you can use 12s on it.


#20

I found your reply on a old thread, using heat gun to DIY abs enclosure!? great inspiration. I think I will use my lamination iron to do that, 450 degc enough? will it stick to the base of my iron?