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  1. #1

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    small robotic arm

    hey does anyone know where i can find a small robotic arm? maybe on a small backhoe or other escavator RC? the smallest i have found was 7" arm, but i'm looking for something around 3-4". thanks

  2. #2
    dknovick's Avatar
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    RE: small robotic arm


    ORIGINAL: Mugzy

    hey does anyone know where i can find a small robotic arm? maybe on a small backhoe or other escavator RC? the smallest i have found was 7'' arm, but i'm looking for something around 3-4''. thanks
    How many degrees of freedom are you looking for?

    Lynxmotion has some. One that is 5.75"
    And the Little Grip Kit

    Also, try VEX kits to build you own.

    -Dave
    Helicopter: Closest fulfillment of the flying horse and magic carpet. Igor Sikorsky
    Royal EVO9 TX/F40,HBFP,Trex450Sport

  3. #3

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    RE: small robotic arm

    Here's my simple solution. Its very basic, but I can pick up a lot of everyday items with it.

    http://robotronski.webs.com/myfirstrobot.htm

    Its an El-cheapo spring clamp from a dollar store. Remove the spring of course. I added some silicone rubber to the jaws so I can pick up small thin items also. Be sure and use some type of spring on your servo arm to prevent stripping servo gears. I need to upgrade my shoulder servo with a more powerful servo with metal gears.

    PM me if you need any help.
    Take-offs are Optional... Last time I checked, those #%&@ landings are still Mandatory!!!

    Falcon 40 - Trex 450SA


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