Electrobite an Electric Wheelchair Conversion

 by jonsarriugarte
Contest WinnerFeatured
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My Wife Kyrsten and I built the Electrobite in my shop "Form & Reform" in West Oakland. 

Kyrsten and I started on this project Aug 2009 and finished it just in time for Burning Man . We took an old electric wheel chair and made it into a prehistoric creature known as a trilobite. I enjoyed working on another great project with my wife (these projects keep us on our toes, I hear building a house together works too). This is the 3rd car of 5 we have made the 1st being the SS Alpha Fox and the 2nd was the giant iron snail car The Golden Mean. The scale of this one is great and I’m really liking working with hand hammered sheet metal mixed with forged steel parts.

Following is the basic process by which we built this amazing vehicle. This is meant as a process guide for building any kind of wheelchair based vehicle and as a loose guide for building this one. There are far too many details in this project and each step could be broken into many different standalone Instructables. I hope by posting this you gather your own team and make your own dream car together. The sum of the parts makes wonderful things!

For more info see: Electrobite
Other builds
The Golden Mean a Giant Iron Snail Car
Zeppelini


There is now a fan club for the Golden Mean on Facebook
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My blog:
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Step 1: Wheelchair

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This is the 1st of 3 wheelchairs I have done and I love how much time I spend on the art part and how little time I need to work on motors, steering linkages, drive trains and general mechanics of a full car build.

After building the Electrobite I was contacted by a few people that wanted to give us wheelchairs for future projects. Larry was nice enough to give me a Quickie wheelchair  and help me out with some spare parts and programmers.

I checked out Craigslist and found quite a few late models for under $500.
Make sure the batteries are good and everything works before purchasing.

Make sure to get the heavy duty ones. Most of these will hold 300-400 lbs. total including your chair. Keep this weight in mind as you design and build your vehicle. Dressed I'm 200 lb., plus the traction/batteries at 75 lb. meant I had to keep my shell weight under 125 lb.

Once you get it back to the work shop use it, play on it, take it to a party and drive it around the neighborhood. You will have a much better idea of what needs to be fixed, its range, how to drive and a very small appreciation for what it’s like to need one of these every day! It's quite an eye opener for how differently people treated me in one, even close friends.

After test driving on loose surfaces I made a few upgrades to the tires by adding lawn tractor tires to the rear and bigger foam filled ones to the front.

stephandouris says: Mar 27, 2013. 2:20 PM
I'm building something using a wheelchair base and was wondering if you can give us more insight on the lawn tractor tires/wheel update.
Love your built btw!
Thanks
spong20 says: Jun 8, 2011. 11:21 PM
i have a new dream car, how much do you want for the snail
? or how much did it cost to make? is it street legal?
jonsarriugarte (author) in reply to spong20Jun 9, 2011. 6:32 AM
Don't think we could sell the snail. I would be able to make you one though. I would have to see what you wanted, but a budget of $50,000 to $150, 000 is what it would take. She is street legal.
DIYDragon says: Jan 29, 2011. 5:50 AM
Whaaaa! Holy crap. This awesome. Those lights give it a really cool feel too. : 0
RoutyRastus says: Jan 11, 2011. 5:16 AM
Only thing I can say is "wish I had thought of it and could do it"
_-MacGyver-_ says: Dec 19, 2010. 7:27 PM
What no comments on this?! THIS IS FRIGGIN EPIC
NICE Job You Guys!

Looks like something in Stargate
gstopngo in reply to _-MacGyver-_Dec 25, 2010. 6:32 PM
Yes waaay cool! However as a sci-fi geek I must diverge from your "Stargate" and insert FARSCAPE
_-MacGyver-_ in reply to gstopngoJan 8, 2011. 10:07 PM
ha, yes, i was never really a fan of farscape.. i guess id proabably be able to get into that and dr who, but im still way into stargate to even bother with those 2. The bug remided of much smaller creature in the stargate sg1 season 9 episode." The Scourge"
radiograf in reply to gstopngoDec 26, 2010. 10:39 AM
its neither, a cybermat from the classic Dr Who series
wicksakit says: Jan 8, 2011. 5:12 PM
Totally the best, hands down!
RecoiL says: Dec 31, 2010. 12:54 PM
ITS A PUPPY !
seamster says: Dec 30, 2010. 12:08 PM
Congrats on the win! You guys sure make some neat contraptions. Love to see this stuff, keep it up!
jonsarriugarte (author) in reply to seamsterDec 31, 2010. 8:16 AM
Thanks to all for helping us to WIN!!
makendo says: Dec 27, 2010. 11:29 PM
Wow, fantastic!
thepelton says: Dec 27, 2010. 3:27 PM
Neat, but I thought that a trilobyte had antennae longer than its body.
jonsarriugarte (author) in reply to thepeltonDec 27, 2010. 8:08 PM
There are so many different types of trilobites
I had a hard time choosing which one to make. We went with small horns to keep from killing people
Kiteman says: Dec 20, 2010. 5:56 AM
That is simply a gorgeous beast.

A well-deserved "feature".
l8nite says: Dec 20, 2010. 1:52 AM
over the top bad
TorinMiasma says: Dec 19, 2010. 9:08 PM
Amazing. I wish I still had an electric wheelchair laying around.
hintss in reply to TorinMiasmaDec 19, 2010. 11:09 PM
still?
mr.incredible says: Dec 19, 2010. 9:00 PM
Stunning... Words don't do it justice. I like the snail car too. That could be a camper/motor home.
bobby sissom says: Dec 19, 2010. 7:39 PM
beautifull,i am in awe at your talent and cleverness in design and function
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