Veiftech - DIY upgraded Leiftech V2

Thanks@Fosterqc

update mine one here. :grin:

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what is your wh/km?

anyone else with a Efreeboard @Lee_Wright @okp @Suntorn

The thing is the traction control on the leif was absolutely awful and everyone rode with it off (if you could figure out the ride levels on the board)

I’m seriously considering ripping my SBX apart, transferring the SR360’s to my freebord and building my own battery as the SBX electronics are janky, a great improvement over the leif but still. Having a decent battery and running HFI would go a long way making a huge difference.

No idea on wh/mile mate, summerboard have their own app now which is a skin over VESC tool. I never used to have the SBX VESC tool installed as you can only have one instance and I need it for my other boards

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SBX ESC is VESC 6.6 based with an NRF receiver and some kind of feature enabling you to start from a stop, idk if that is like a.s.s or what.

Aaron suggested buying it opposed to a FOCBOX which on a moral level I could get with but for the general user idk. seems like a way to sell an overpriced battery.

They would be really happy to crash test some freesk8 remotes yaknow @DerelictRobot

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Yep it’s a VESC based ESC for sure but the implementation of the rest of the electronics has caused them many issues. Power switch, BMS and hall sensor for detecting if the battery is attached all go through this optical isolator board which tends to cause issues.

You have to have the board switched on to charge, if the battery gets too low it won’t turn the board on…

I love the product but I am starting to think it might be better to just do my own thing. There isn’t any special start up thing, the board runs uncensored FOC, a push to get rolling is pretty much required. The ESC is in the board btw, the battery carries all the other electronics

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You see he talks about how the esc pairs perfectly with their batteries, also the esc case having the battery compartment as the same part makes it clear how they are supposed to be used with each other.


No UART connectors, but maybe could be hacked on.
$400 and no warranty on the esc only I would think, battery is $150. Deck is ?? $75 guessing

I’m not sure of you missunderstood what I meant, ive had several of these apart and repaired them for Summerboard, I’ve got the guts of several batteries and motherboards in my workshop and some components to fix the ESC’s as they are prone to blowing the big diodes. You do indeed need to use their ESC with their battery - like I said inside the battery you have several other things going on such as a safety switch, BMS, and the on/off switch routes through the mobo to the BMS too and then they communicate with the motherboard through this optical isolator board using those smaller pins you see on the connector. It’s also actualy 2 seperate batteries that are paralleled together on the motherboard so technically the battery is air safe as its 2 x 99wh packs in one shell.

I do ride one and I don’t notice anything different other than unsensored FOC going on. I am not sure if their ESC supports HFI, but that’s what I’m thinking about implementing on mine, I think it could work better.

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I understand what you are saying. My comments were about how Aaron said you get more from an SBX ESC than a Xenith, but that doesn’t say anything about how you also would then also basically need to buy an SBX battery, and looks like a cutout deck from them possibly.
BTW that cutout looks like a great way to give your Vesc a nice bath.

For the price of the SBX system buy a VESC HD60

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The only major difference between the V1 and V2 is that the V1 comes with that beautiful Never Summer deck and the V2 switched to carbon deck and basically just cleaned up the motors/parts a bit. Otherwise the design between the two was essentially similar. I’m still playing with my old V1, that deck is solid!

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Solid, metaphorically you mean. This V1 deck is the most flexible deck I have ever touched in my life!

Right now I am trying to come up with idea for how the electronics should be mounted on this board. Then I can print some models and test them out.

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Never summer decks “might” be coming back by the way

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Last that I spoke to the guys at Never Summer here in Colorado they had moved out of the skate game and were only focusing on snowboards, so I’d be pretty surprised were that actually true.

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Hey @Lunasi, I’m in Denver Co as well!
I’ve been riding Never Summer snowboards since 1993, after my buddy bought a board from Tracey out of his car at Loveland pass. (They are by far the best snowboards made…period!!)
As far as boards for us, don’t say “never”
No pun intended! That’s all I’m gonna say about that for know. Cheers!

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They wouldn’t produce any for me last time I tried for a project. If you know someone there maybe you can explain to them how silly it is for them to have left the longboard market in the first place.

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worrkkkinnngg on top electronics cases and shiiiiiiit

12S3P 21705



box is about 220mm/9in long

looks kinda dumb


but to be fair they are all kind of dumb.

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You would think that I would have thought of this already


Good things:
-Sold on the same site as the pulleys you need to buy.

-Hex core so transferring torque is ezpz

With that tiny wheel I could make a small e-freeboard for fun

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3in vs 2.5in

hmm ok after looking for good bearings for the hex shaft I see now it is just no gonna work.

Right as I realized that I found this solution:

Using this I can have 8mm bearings on a keyed shaft for the pulley and wheel.

Things left to do on this module is constrain the shaft on the berings and the hex adapters/wheel onto of that. not sure yet how exactly.

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you think anyone would adjust the wheel closer than this?

15mm front to back adjustment, 4.5mm up and down.


TONs of motor-truck clearance still