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How to make servo arm (the 4point piece that attaches to the servo) longer — Parallax Forums

How to make servo arm (the 4point piece that attaches to the servo) longer

trendtrend Posts: 112
edited 2013-01-02 22:05 in Robotics
Hello, I will be purchasing another "futaba standard servo" ( http://www.parallax.com/detail.asp?product_id=900-00005·"

And for this servo, I will need to cut off 3 of the short legs off the 4 plastic legs of the servo thingie (Is it just called an arm?)
And then extend the length probably 3x... (3.5 inches from axis to end.. 4.0 MAX)·Does anyone have any advice? Maybe where I could just buy an extended one?


thanks! Lee

Post Edited (trend) : 10/16/2004 8:09:23 PM GMT

Comments

  • trendtrend Posts: 112
    edited 2004-10-16 21:56
    I do have access to a full machine shop.. but I am not as skilled as some of you'll so if I could make something.. keep it easy Please [noparse];)[/noparse]
  • WhelzornWhelzorn Posts: 256
    edited 2004-10-17 21:25
    you can buy those here: www2.towerhobbies.com/cgi-bin/wti0001p?&I=LX0860&P=7 and yes, they will work with futaba servos.

    There are also non adjustable ones:
    www2.towerhobbies.com/cgi-bin/wti0001p?&I=LXFVK4&P=7
    www2.towerhobbies.com/cgi-bin/wti0001p?&I=LXFVK5&P=7
    www2.towerhobbies.com/cgi-bin/wti0001p?&I=LXFVK9&P=7

    and they come in different colors. just go to towerhobbies.com and search for "servo" to see them all. You dont really have to buy them online, because most hobby shops have these.

    hope that helped [noparse];)[/noparse]

    -justin
  • trendtrend Posts: 112
    edited 2004-10-17 23:49
    Yeah.. our hobby store doesn't even·have servos instock.. they have to special order them...

    Why is there nothing in the 3.5inch range? I will just fab something tomorrow though..
  • Jonny555Jonny555 Posts: 46
    edited 2004-10-19 13:25
    What you are looking for is a "servo arm extension".

    They make some: http://www.nelsonhobby.com/cnc.html
    They also make custom at no extra charge!
    I bet you could make an extension with an old piece of PCB or robust material.

    Post Edited (Jonny555) : 10/19/2004 1:28:59 PM GMT
  • trendtrend Posts: 112
    edited 2004-10-19 16:43
    Thanks for the link!
    I actually just fabed one from some plastic I had
    ·
  • Jonny555Jonny555 Posts: 46
    edited 2004-10-19 20:15
    Ya i'd encountered the same query a few months back. Please feel free to share the results! If you have a digicam, I am curious what you are up to [noparse]:)[/noparse]
  • RogerLouieRogerLouie Posts: 2
    edited 2013-01-02 14:20
    How about using a "popsicle" stick cut to the appropriate length. Then you can drill 2 holes that will secure the popsicle stick to the 2 origional arms, and you can cut off the unused 2 other arms. Of course you will have to drill a hole at the far end of the popsicle stick to hook whatever gizmo you are trying to "move". If not a popsicle stick, any other piece of plastic like an old toothbrush, or piece of metal, etc.
  • TtailspinTtailspin Posts: 1,326
    edited 2013-01-02 22:05
    Getting kind of 'uppity' with all that fancy hole drilling, Just use a couple of Zip ties and you won't even need a drill motor...:)

    Welcome to the forums RogerLouie.


    -Tommy
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