Author Topic: Materials for Quadruped Robot  (Read 1314 times)

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Offline romand001Topic starter

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Materials for Quadruped Robot
« on: February 28, 2015, 09:39:03 AM »
Hi guys!

I am planning to build a small-medium quadruped robot as my second creation, and I can't find any documentation online for the best materials to use for the legs. From what I understand, HDPE is the best material for a chassis. However, it is kinda flexible, so would it still be good for legs?

Second question: If I go with HDPE for everything, are cheap 9g servos strong enough? I'm gonna have a standard 12 servo setup.

Thanks and sorry if this has already been asked.

This is similar to what I will be building (but less fancy): https://www.youtube.com/watch?v=ztNk8N2q0gM

Offline Ibaeni

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Re: Materials for Quadruped Robot
« Reply #1 on: February 28, 2015, 11:21:20 AM »
This varies greatly on what tools you have to work with. One material I would suggest looking at is garolite (G-10). It is similar to carbon fiber. Here's a link to it from McMaster Carr. It comes in sheets of various thicknesses. http://www.mcmaster.com/#garolite/=w3vsk9
If you have access to a CNC of some sorts, this would work very well.
Other alternatives would be aluminum, carbon fiber, or another plastic such as acrylic. I've frequently used acrylic in projects and have had very good results. I will be using garolite in a quadcopter I'm building (links of which can be found in my signature).

 


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