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


  • Back in Black

    Danny Andreev01/26/2018 at 23:52 0 comments

    Weather because of sickness, winter break, or lethargy I haven't made much progress in the past month. However, I did manage to trash about 200 man hours worth of molds. 

    However, I am ready to try again and I got some good ideas as to how to fix them.

  • Adjust

    Danny Andreev11/20/2017 at 15:10 1 comment

    Sad news this week. The Techshop has closed. However, I am glad that most of my hardware requiring heavy CNC machinery is finished.

    I have already started to recreate some of the capabilities of the techshop. One such adjustment is a epoxy curing, vaccum press oven in my living room.

    This is the single layer outer shell, its a bit rough around the edges and I am going to redo the layup.

    Roomates have agreed... as long as I keep it clean.

    In other news. The GPS tracking works! the sensor board is outputting gps, and using the google maps api I can overlay my location onto a proper map!


    I am going to be doing some redesign and try to remove the rest of the hardware manufacture. Since I no longer have access to CNC and metalworking machinery I will have to impovise...

  • The Molds are Done!

    Danny Andreev11/15/2017 at 03:20 0 comments

    The All-Mighty!

    These are a little extra side-project but i still wanted to share :)

  • Molds and Models

    Danny Andreev11/05/2017 at 23:05 0 comments

    A week off of the project due to midterms, and now im back!

    Got a lot of good stuff since the last project log.

    Sensor module is reading in data. The next step is to take the Accelerations,position, velocity and have it plot on a neat interface

    Got the Molds painted, just need to sand, and buff them. Should be ready to do the CF lamination next weekend.

    A decent amount of time went into a side venture. I have a friend who sells finger boards, I made him some molds to speed up the process :)

    I hurt my foot (bruised a metatarsal) So i slapped V1.5 together so I dont have to push when getting to/fro class.

  • 4 Day Weekend

    Danny Andreev10/16/2017 at 21:46 0 comments

    Fall break! you know what that means! just clocked in 50 hours at the techshop in 4 days.

    - Bought Carbon fiber vacuuming stuff

    "hhhnnnnnngggg" - My wallet

    -CNCed the last two molds out of the MDF that I prepped last weekend.

    (All me!)

    -Almost finished the battery pack hardware

    Dat sand blaster tho

    Yea, yea, I know. Steel on aluminum ill figure it out.

    "What exercise equipment do you use?" - "Oh just the  BDB 1340A Jet Lathe"

    -Started on the GPS, Accelerometer, Raspi module!

  • Check your CNC specs!

    Danny Andreev10/08/2017 at 22:21 0 comments

    The 3/4"D 6"L ball endmill does not fit the shopbot... The highest diameter that ER-25 collets go is 1/2"

    Probably for the best since i got 3 exams this week and I gotta study instead of CNCing molds.

    P.S. If you are ever spearing large amounts of glue: buy the non-waterproof version and the largest paint roller they have.

  • Battery Holder Skelton Done!

    Danny Andreev10/01/2017 at 16:28 1 comment

    Another 15 hours at the machine shop this weekend and the aluminum armature is done.

    I finished it off with a sand blasting and it looks sick!

    Next up is the deck :)

  • Manufacturing...

    Danny Andreev09/24/2017 at 18:16 0 comments

    Was legitimately sore after a full day behind a manual mill. Punched holes in all of the battery holders and squared of the edges where the perpendicular grind rails will go.

    Also the MDF mold is finished, I just need to but the carbon fiber lamination supplies and get it waxed. 

  • Production Phase

    Danny Andreev09/17/2017 at 16:36 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.

View all 10 project logs

Enjoy this project?



motor_madness84 wrote 11/16/2017 at 02:11 point

Love the project man! Me and my team are currently working on a similar project for a new high powered electric skateboard and we were wondering if you are/have designed your own custom battery management system for your A123 battery pack?

  Are you sure? yes | no

Danny Andreev wrote 11/18/2017 at 20:13 point

I am about to start designing, youre welcome to help! should be done by the end of the winter.

  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

  Are you sure? yes | no

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

Danny Andreev wrote 10/01/2017 at 15:26 point

I have a lot of the electronics finished, but working on the mechanical/hardware revision right now. I have a V1.5 drivetrain (check the pics) working on V2. 

Appreciate it! Iv been CADing for some years now as well :)

  Are you sure? yes | no

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