Electric Longboard MarkII

Ground up, over-engineered electric longboard

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I want something under my ass that has enough potential energy packed into its batteries to fire a pound of bacon into the Asteroid Belt.
Since nothing on the market fits the bill; I am building it myself.

With a sufficient disrespect for my own time and money I am learning every EE, ME, CS, Manufacturing technique necessary to complete aforementioned longboard.

The project started in my freshman year of college, Winter 2015.

Mark I was completed in the spring of 2016. It featured a whopping 35mph top speed, a pair of lead-acid scooter batteries giving it a theoretical range of about 4 miles of range, and a jaguaresque construction - requiring field-repairs every 2 miles.

MarkII was started soon after.

My main focus now is to involve more people. I have a few friends helping intermittently, but I think this project can bring together a serious community interested in progressing the field of high-tech DIY electrical vehicles.

P.S Check out the GIT ;)

What we are looking at here is;

12 Hp 4 Wheel Drive - 4 x 6374 2250W BLDC motors

.5kWh battery pack - 64 x ANR26650M1-B LiFeP04 2.4Ah 10C - 12min charge time batteries 

48in x 13 in deck

60 volt system

60mph+ Top speed

40mile+ range

1.5kW charger - 20min charge time.

RGBW headlights - 1000+ Lumens

RGB LED underlighting 

Carbon fiber deck - 500Kg+ load limit

Splash proof

Onboard linux box managing GPS, phone-app connection.

All the files are hosted on the project Git page. This is an open source project.


Still gotta do the testing with water cooling. But this is the charger.

JPEG Image - 1.60 MB - 09/02/2017 at 14:35


Maximum Clearance.png

So I was sitting on a plane with my parents and complained about the lack of clearance, and difficulty i would have in protecting the motors during collision. Needless to say, mom a out-of-the-box thinker.

Portable Network Graphics (PNG) - 802.57 kB - 09/02/2017 at 14:35


Moulding 1.PNG

I cant spell, but I do know that I will use some thick sheets of MDF and a CNC wood router to create a compression mould for the longboard.

Portable Network Graphics (PNG) - 127.86 kB - 09/02/2017 at 14:35


  • Production Phase

    Danny Andreev7 days ago 0 comments

    MarkII is officially in production phase. 

    All the mechanical aspects of the board have been (pretty much) finalized, and I am spending my Saturday nights behind a Tormach CNC mill.

    I am touching up the MDF mold with a set of chisels, and prepping for the vacuuming procedure.

    The issue I am having is that I did not make the truck mounting holes, so the molds are somewhat difficult to align. If I do not figure out how to solve this, It will be back to the CNC wood router for me!

    P.S. Waterjet cutters suck.

    3$/min runtime and they give you a shit finish. Hence my CNCing.

  • CNC Router Mold

    Danny Andreev09/11/2017 at 16:07 0 comments

    I decided that the deck is going to be a 8 layer carbon fiber 12X12 weave with a polystyrene foam core.

    From to to bottom the layers will be C-C-C-F-C-F-C-F-C-C-C

    After spending a few weeks tweaking the final assembly in solidworks and finalizing the deck shape I started making the mold.

    With a couple friend at the architecture school and a few sheets of 3/4" MDF laminated a thick mold which was then handed over to the CNC router.

    Hopefully by the end of the week I can start on the carbon fiber vaccuming operation.

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flipdiving2017 wrote 2 days ago point

The information you share is very useful. It is closely related to my work and has helped me grow. Thank you!

     despacito lyrics , 

     bodak yellow lyrics 

  Are you sure? yes | no

Neon22 wrote 08/30/2017 at 15:14 point

Have you considered using trucks like Other planet revolution. much stabler at high speed. flat spot in the middle.

Also I have inkscape based worksheet for batts through to drivetrain with HTD belt torque calcs integrated.

but needs looking over as I have an error (at least one :) somewhere... Output looks like:

inkscape electric drivetrain

  Are you sure? yes | no

Danny Andreev wrote 09/01/2017 at 15:38 point

Those trucks look sick! I may pick a pair up and look into switching over in the next  board version.
PM me about the work on batteries, im interested

  Are you sure? yes | no

Rod Hower wrote 08/29/2017 at 18:45 point

I may be able to help with the motors, I work at Ametek-Rotron and design BLDC motors and controls.  We bought Extreme Motors about 8-10 years ago and continue designing that product from our Kent, Ohio location.

  Are you sure? yes | no

Danny Andreev wrote 08/29/2017 at 18:47 point

No way! That is amazing, PM me your email, we alreadu have 3-4 guys on board.

  Are you sure? yes | no

Marco wrote 08/23/2017 at 08:38 point

i'm learning bldc drv and wanna join your team

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Danny Andreev wrote 08/23/2017 at 17:32 point

PM me, lets chat

  Are you sure? yes | no

Marco wrote 08/23/2017 at 05:23 point

i wanna know bldc drive schema...

what's the status of the project?

  Are you sure? yes | no

Danny Andreev wrote 08/23/2017 at 17:32 point

currently using Vedder's VESC controller (its an open source bldc driver) i plan on updating his design (eventually) to fit better with my board.

  Are you sure? yes | no

Peter wrote 08/23/2017 at 01:31 point

Do you have a source and/or price for the batteries and charger?  Or for the BOM in general?

  Are you sure? yes | no

Danny Andreev wrote 08/23/2017 at 17:35 point

I am buying the batteries from A123, they are a manufacturer in Detroit. Me and a friend are designing the charger ground up, by ourselves. Latest iteration delivared 900W. I will eventually go through my digikey purchases and add the BOMs to the git page.

  Are you sure? yes | no

Aaron_Kraus wrote 08/22/2017 at 18:21 point

wait... WHAT? 90+ kph? ryly O_o

Must... not... buy... all... parts

As soon as my other 4 Projects are half baked, i'll start with this

My fastest run on my Board was at the Gravity Festival 2015 in NZ with 72-75  kph.

But that was Downhill, I always dreamed of a board like this :)

[EDIT] another Solidworks guy and all source files *Thumbs up*

  Are you sure? yes | no

Danny Andreev wrote 08/22/2017 at 19:16 point

Much love! I am definitely interested in collaborating, so hit me up if you good some good ideas.

  Are you sure? yes | no

Aaron_Kraus wrote 08/24/2017 at 19:48 point

How far developed is your Project at the moment?

Did you build all that drivechain already?

I go thru your SW files and they look really good, I'm doing cad with sw since 2006 and can't find much to criticize :p 

  Are you sure? yes | no

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