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RC printed Buldozer

by crazytiti, published

RC printed Buldozer by crazytiti Jan 19, 2012

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14091Views 6259Downloads Found in R/C Vehicles

Summary

130mm RC PLA printed Buldozer
with servo motor and gears
laptop batteries
7805 voltage regulator
"all functions" each thread and the arm.

Instructions

It's an RC buldozer that i designed and made with an huxley reprap.
To make it you need :
-2x 608 bearings,
-M8 screw rod with some nuts (nylon nuts seems to fit well inside 608 bearings)

  • some tiny screws and washers
    3 servo "9gr" and two have to be modified to become "motors" (unlink the potentiometer from the last gears and cut the block that prevent it to make complete turns)
    a battery pack (mine is 2 elements 3.7V 2200mAH from a laptop battery)
    And some voltage regulator to amke 5V for the receptor.

Now for the mechanical part :
Before printing make sur that you correctly positioned the part in your slicing software, some of my stl are "in the air"
You will certainly need some wood fill mainly on the tank thread and the tooth of the "wheels" to make them run smoothly.

I use "acetone " (french word for the chemical that melt the PLA) to glue all the parts together

The thread are assembled with paper clip

Don't forget to screw the servo before assembling and to not glue the hood and top to put batteries and electronic in it.

If you have a programmable transmitter you could make mix and have on one stick all directions.

By the way the thread are slipery on hard surface but on grass/earth/sand it should be fine.

Oh and i forgot : it's really fun to drive and clean the mess on my desk with it ;)

See it in action :
http://www.youtube.com/watch?v=zUUmX01zgo0

ps : thread inspire by http://www.thingiverse.com/thing:10924

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How many threads do I need to print ?

 Yes 44, but make spar parts just in case you trash some when inserting the paperclip that made the hinge

Hmmm, I wonder if the treads would work better with sugru stripes on them for traction?

I don't know, i have never used sugru, please try it and let me know if it's good.

OMG !!!! I so want to make one of these but I have to wait until my printrbot arrives

me too

I am thinking....complete line of tractors and implements please?

Why not ;)

i have in mind design for a shovel and a rear hook.

I want to Like this nine times.

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