Step 13: Step 13: Prepare the Drive Motors

If you drill an average of 3 holes a day, by now your Hobbyking order should have arrived. We'll be preparing the drive motor for mounting in this step.

Parts Required:
  • Turnigy 5065-256Kv Brushless Outrunner Motor, QTY 2
  • F or 17/64" drill bit
Tools Required:
  • Phillips head screwdriver
  • Drill press or drill
  • File or sander
Step 13.1:Gather the parts

The Turnigy 5065 motor should have come with a little flowery mounting plate. We will be using the mounting plate, but its mount holes are too small. They will be drilled to clear a 1/4"-20 screw.

Step 13.2: Drill out the four outer flange holes

Use the F drill to enlarge all four of the outermost flange holes, on both motor mounting plates. The aluminum that these plates are punched from is very soft, so it will leave gigantic burrs on the exit side. Use a file or sander to remove the meteor-impact-crater-like burrs as they form, so you have a perpendicular surface to work with.

Step 13.3: Mount the motors to the plates using the provided screws.

The Turnigy motors should have come with 4 M4 flat-head screws in a little baggie. Mount the motor securely to the plate using these screws. If you have a threadlocking compound, you should use some of it on the threads to prevent vibrations from loosening the screws.

Add the assembled drive motors to your growing pile of subassemblies when done.
Looks great. Can you tell me roughly how much it cost for the whole thing? I'm kinda young and would love to do this but don't have a lot of money.
Please spend some time and read through at least some of the pages. The information you are seeking is found in step 2.
I'm not sure you uploaded all the files needed for this build at the end of Step 3 - when I downloaded them and uploaded them to Big Blue Saw, 2 files seemed to be almost the same, with the steering yoke missing from one of them. Lots of the pieces (like the brake pieces and corner brackets) also seem to missing and are not found in the zip. Perhaps you accidentally uploaded a duplicate?
Yup, I definitely accidentally cloned two file versions. <br><br>Just fixed it - there should be a 0125 and 0250 aluminum, and then a 0125 polycarb/wood/PET/what-have-ye.
Since many people like me are not expert cad modelers could you share your plans?
Please refer to Step 3 for the DXF drawings (submittable as-is to Big Blue Saw) and the last step for the Autodesk Inventor original models.
<p> got inspired by the guys at sutd in Singapore, decided to have a go myself. This entry really helped spell it all out.</p><p>Used 2x Kelly controller, 2x turnigy 6374-192, currently running lead acid 24v but will use an old Lipo 36v from ebike. Hall sensors and holders are 3d printed, I can upload file but obv a360, so if anyone needs it better off to link up to fusion account and I'll share direct. Halls were the biggest ball ache but got there by adding flexibility into the CAD model, able to rotate/trim. Hydraulics are cheap and nasty, need bleeding and calibrating, steering is white knuckle. All in all a great project that really teaches you about electric vehicles. God bless aluminum extrusion!!</p>
<p>Hi, why do you use 250w motor controllers with 1k5+ w motors ?</p>
<p>Super fun to make and drive!</p>
Can someone please tell me what is the exact name and model of the motors or can someone give ma a direct link.
Did you make the drawing with Autodesk Inventor?
is there a way to connect 4 motors and a reverse function?
So the real question is: &nbsp;How many instructables can you write before having to replace your keyboard?<br> <br> My bet is 3.
Incidentally, I got a new USB keyboard soon after writing this because my laptop's keyboard went out.
I have to say that yours is one of the best documented projects in this site. Kudos to you!
what this motor nominal torque?
I'll be building an electric go kart too this summer, except with a more rudimentary design, and bigger wheels. <br> <br>But your design will definitely help me. Very neat.
This is awesome! I guess MIT likes DIY'ers, did you get a fund for the project from school? Anyway, well detailed instructables like always. Keep it up!
Free stuff, lab work, and/or graduate student stipend. What's the &quot;fund from school&quot; you speak of...
Have you done FIRST robotics? Because everything looks very similar to the robot I have built.
I did in high school (I founded FRC 1771 in 2005/6) and 80/20 is indeed a very popular framing system for FIRST bots, but none of ours used it. The framing methods seem to all converge on the same look...
Really incredible project and writeup! I saw some of your other vehicles at the Atlanta mini Maker Faire, and they have served as excellent inspiration for the somewhat absurd e-scooter I'm building now. I can't wait to join your collegiate silly vehicle team in the fall. <br> <br>note: Some of your image notes seem to be duplicated onto consecutive pictures
I feel like that's an Instructables derp. The text editor is extremely buggy...
I'm left thinking the only thing missing with this instructable is a video of the kart in operation.
Keep reading :) <br> <br>Demonstration videos are in Steps 43 and 44.
Quite literally one of the most amusing and detailed reports i have ever seen on Instructables. Very nice!
This is one of the most detailed reports I've ever seen on Instructables. Here's to hoping we start to see swarms of micro EV's like this at Maker Faires &amp; cons.
Awesome project and an amazingly detailed report. Gonna have a good time strolling this guy around campus :)

About This Instructable




Bio: lol robots
More by teamtestbot:How to Build your Everything Really Really Fast Chibikart: Rapid-Prototyping a Subminiature Electric Go-Kart Using Digital Fabrication and Hobby Components The New and Improved Brushless Electric Scooter Power System Guide 
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