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Old 06-24-2013, 09:24 AM
Jay Gould Jay Gould is offline
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Default 2013 - Ariel Atom Kart

I have been working on a design for a Go Kart for my son and this contest will give me some incentive to build it. We started on it a couple of months ago but I have been procrastinating uploading the pictures. He wanted an electric Go Kart that looks like an Ariel Atom. We will be using the electrical parts from an industrial 3 wheel cart and build the tube frame.
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Old 06-24-2013, 03:31 PM
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Welcome to the forum, and glad you could join the buildoff! Time's getting short though, so I hope you've got a good supply of coffee!
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Old 06-25-2013, 12:28 AM
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That 3 wheeled thisng is so cool. If it were me I would just restore it.
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Old 06-25-2013, 08:22 AM
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The 3 wheel cart was used in a manufacturing plant. It weighs 750 pounds (340kilograms) and has a top speed of 10 mph (16 kph). My son rode it around the neighborhood a few times but he would rather have a go kart.
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Old 06-25-2013, 08:28 AM
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Quote:
Originally Posted by Jay Gould View Post
The 3 wheel cart was used in a manufacturing plant. It weighs 750 pounds (340kilograms) and has a top speed of 10 mph (16 kph). My son rode it around the neighborhood a few times but he would rather have a go kart.
I am sure one of the members here on the site had one of those. I will have to dig up the thread

Edit: Here we go
  #6  
Old 06-25-2013, 08:31 AM
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Default Fabricating the frame

We built the welding fixture for the frame using 2x4's and plywood.
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frame-1.jpg   IMG_5529.jpg  

IMG_5540.jpg   IMG_5542.jpg  

IMG_5556.jpg   IMG_5538.jpg  

  #7  
Old 06-25-2013, 09:06 AM
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Wow, that's a cool jig, nice...
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Old 06-26-2013, 01:53 PM
Jay Gould Jay Gould is offline
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The frame is made from 5/8" OD (16mm) Tubing. It's just tacked together and will probably take a while to weld all of the joints solid.
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  #9  
Old 06-26-2013, 07:29 PM
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5/8" tubing? Does anyone else think that may be a bit small?
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Old 06-26-2013, 08:15 PM
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Even though this frame is a scale model it's based on the Ariel Atom design which was engineered to be lightweight but strong. I put each end of the frame on blocks and stood on the frame in the middle and it doesn't flex. All of the triangulation welded together makes it unbelievably stiff. Nik Smart, the original Ariel Atom designer, gets all of the credit for this.
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Old 06-27-2013, 01:12 AM
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I also think it should be strong enough with all that triangulation
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Old 06-27-2013, 02:50 AM
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That's a really cool looking frame, nice work. How did you get the curves ?
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Old 06-27-2013, 06:01 AM
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We had a print that was 1:1 scale to use as a template and bent the tubing with a conduit bender. For the roll bar loop we packed the tube full of sand so it wouldn't kink and bent it around a wooden disc we had cut out.
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Old 06-27-2013, 01:45 PM
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Checking the fit and position of the motor and batteries. It's going to be tight but it looks like they will fit.
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Frame-Motor-Batteries.jpg   Go-Cart_8-05-2012 022.jpg  

Go-Cart_8-05-2012 023.jpg   Go-Cart_8-05-2012 031.jpg  

Go-Cart_8-05-2012 044-B.jpg  
  #15  
Old 06-27-2013, 04:44 PM
danielmaxwell12 danielmaxwell12 is offline
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This thing is just too cool, way to go on the engineering!
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Old 06-27-2013, 04:58 PM
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Looks fantastic! You designed that nifty space-frame yourself? Way to go!
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The Manual- "Just the manufacturer's opinion of how to put this together."- Tim "The Tool Man" Taylor
Put down the wrench, and come out with your hands up!- Me!
Wrench, Wheel, Wreck, Repeat...
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Old 06-27-2013, 08:57 PM
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all things cool start with tubing...and hp
http://jalopnik.com/this-insane-flip...acks-459950003
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Old 06-28-2013, 09:45 AM
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From where I sit, it appears we have a new favourite; if I lose to this, I'm cool with it

Awesome build so far...
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  #19  
Old 06-28-2013, 01:33 PM
Jay Gould Jay Gould is offline
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I like to draw all of my parts in 3D CAD so I can create an accurate design around them. Cad files for some parts, like bearings and sprockets, can be downloaded from the supplier website. Most of the other parts I can measure with a calipers or tape measure. For more difficult parts like the motor mounting bracket I used a program from Autodesk called 123D Catch. You take 30 - 50 pictures of the part from every angle and upload them to their website. You get an email when the file is ready and download a mesh file. This has to be “cleaned up” with another program such as MeshLab to create a surface. Import the surface into your CAD program and use it as a reference to draw the 3D Model.
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Motor-Brkt-1.jpg   Motor-Brkt-2.jpg  

Motor-Brkt-3.jpg   Motor-Brkt-4.jpg  

Motor-Brkt-5.jpg   Motor-Brkt-6.jpg  

Motor-Brkt-7.jpg   Motor-Brkt-8.jpg  

Motor-Brkt-9.jpg   Motor-Brkt-10.jpg  

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  #20  
Old 06-28-2013, 03:49 PM
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That software sounds both incredibly cool, and stupidly expensive. Still- I'd love to have access to it!
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Treat it as you would an aircraft frame and you should have no problems. -Name Withheld
The Manual- "Just the manufacturer's opinion of how to put this together."- Tim "The Tool Man" Taylor
Put down the wrench, and come out with your hands up!- Me!
Wrench, Wheel, Wreck, Repeat...
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