Mechanics and Construction > Mechanics and Construction

Help! (motors, HDPE)

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megaman935:
 Ok.. ::) I've started thinking about my robot but if you get HDPE what size do you need? then how thick do i need? What size motor is best? ??? Please help! :'( I want it to look like his 2 wheeled robot in the beginner tutorial by the way... http://www.societyofrobots.com/images/materials_HDPEexample.JPG

megaman935:
Sorry about the double-post, but what can i find of use in an old 95 Windows monitor that can help when you are making a robot?

Admin:

--- Quote ---if you get HDPE what size do you need? then how thick do i need?
--- End quote ---

It depends on the size and weight of your robot. Just try and plan out where your parts go to get general dimensions. On that robot, I used .25" HDPE, and I think it was 1' x 1' dimensions. I used a bandsaw to cut it, but a common handheld hack saw can cut HDPE really fast too.


--- Quote ---What size motor is best?
--- End quote ---

This tutorial can help you select a motor:
http://www.societyofrobots.com/mechanics_dynamics.shtml

If you are ever unsure, get the motor that has more torque and lower rpm.


--- Quote ---what can i find of use in an old 95 Windows monitor that can help when you are making a robot

--- End quote ---

capacitors and wiring that is good for robot power electronics, for sure . . . screws too? i dunno what else open it up!  ;D

polar bear6:
if you have plans about opening your monitor, WEAR SAFETY GLOVES AND GLASSES!!!
those bastards contain like 25 000V (yep, 25 thousand Volts).
and becarefull, i always unsolder the big capacitator and the flyback transistor, aswell as remove the monitor itself...
but it might be another better way, anyone know?

Admin:
yea just short the power wires while wearing gloves to discharge the cap . . .

i should have warned you  :-\, but i assumed you hadnt powered it for years . . .

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