Servo arm to mount another servo? - Omaha Maker Group

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Message from discussion Servo arm to mount another servo?
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From: Dan Linder <d...@linder.org>
Date: Mon, 24 Sep 2012 16:14:46 -0500
Message-ID: <CAGYusaOb_MVUcTZ60fvuMP_FLHeHENXs0L-gLwvax_Xis56...@mail.gmail.com>
Subject: Re: [OMG] Servo arm to mount another servo?
To: omaha-maker-group@googlegroups.com
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That's about what I've come up with in my mind.  Now to get time in my
garage tonight to work on it a bit.

Out of curiosity, is the "stub" on the servo that the arms connect to any
sort of standard or is it all based on the servo manufacturer and/or size?
 I know that some RC hobby stores sell packs of arms (the round disk-arm
would be perfect) and would be a bit lighter for my purposes.

If I come up with anything substantially different I'll send a
photo/description.

Thanks,
Dan

On Sun, Sep 23, 2012 at 11:02 PM, David Knaack <davidkna...@gmail.com>wrote:

> Its designed for a smaller servo size, you'd probably have to modify it a
> bit.
>
> I'd be inclined to mount the first servo on a fixed mount, then attach a
> board to the control horn, and use that to mount the other servo. It's
> about as compact as you can get, and the plate that connects the two servos
> would be a nice 3D printer project.
>
>
> On Sun, Sep 23, 2012 at 10:49 PM, Kevin Fusselman <ke...@fusselman.org>wrote:
>
>> Brandon /Dave had a nice setup for the MMM camera that might be
>> adapted...
>>
>> Guys?
>> On Sep 23, 2012 10:44 PM, "Dan Linder" <d...@linder.org> wrote:
>>
>>> I'm trying to make a basic two-servo pan/tilt setup.  I know with enough
>>> zip-ties and foam tape I could get one servo attached to the other in the
>>> T-formation, but that really seems overly hack-ish.
>>>
>>> (For what it's worth, these are two of the Radio Shack supplied Parallax
>>> servos - http://www.radioshack.com/product/index.jsp?productId=12296088
>>> ).
>>>
>>> I think I'd really like one that would replace one arm of a servo with a
>>> U-shaped bracket, but if there is another option I'm missing I'm all ears.
>>>
>>> For what it's worth, I'm looking at mounting a small battery powered
>>> squirt gun for use in my basement  (the "Cat Scram" device mentioned back
>>> in June).   Hopefully we'll only need this for only a short period of time.
>>>   (I don't really want a garden hose with expensive industrial servos and a
>>> fast acting electronic water valve...)
>>>
>>> Any ideas?
>>>
>>> Dan
>>>
>>> --
>>> ***************** ************* *********** ******* ***** *** **
>>> "Quis custodiet ipsos custodes?"
>>>     (Who can watch the watchmen?)
>>>     -- from the Satires of Juvenal
>>> "I do not fear computers, I fear the lack of them."
>>>     -- Isaac Asimov (Author)
>>> ** *** ***** ******* *********** ************* *****************
>>>
>>
>


-- 
***************** ************* *********** ******* ***** *** **
"Quis custodiet ipsos custodes?"
    (Who can watch the watchmen?)
    -- from the Satires of Juvenal
"I do not fear computers, I fear the lack of them."
    -- Isaac Asimov (Author)
** *** ***** ******* *********** ************* *****************

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That&#39;s about what I&#39;ve come up with in my mind. =A0Now to get time =
in my garage tonight to work on it a bit.<div><br></div><div>Out of curiosi=
ty, is the &quot;stub&quot; on the servo that the arms connect to any sort =
of standard or is it all based on the servo manufacturer and/or size? =A0I =
know that some RC hobby stores sell packs of arms (the round disk-arm would=
 be perfect) and would be a bit lighter for my purposes.</div>

<div><br></div><div>If I come up with anything substantially different I&#3=
9;ll send a photo/description.</div><div><br></div><div>Thanks,</div><div>D=
an<br><br><div class=3D"gmail_quote">On Sun, Sep 23, 2012 at 11:02 PM, Davi=
d Knaack <span dir=3D"ltr">&lt;<a href=3D"mailto:davidkna...@gmail.com" tar=
get=3D"_blank">davidkna...@gmail.com</a>&gt;</span> wrote:<br>

<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex">Its designed for a smaller servo size, you&#=
39;d probably have to modify it a bit.<div><br></div><div>I&#39;d be inclin=
ed to mount the first servo on a fixed mount, then attach a board to the co=
ntrol horn, and use that to mount the other servo. It&#39;s about as compac=
t as you can get, and the plate that connects the two servos would be a nic=
e 3D printer project.<div>

<div class=3D"h5"><br>
<br><div class=3D"gmail_quote">On Sun, Sep 23, 2012 at 10:49 PM, Kevin Fuss=
elman <span dir=3D"ltr">&lt;<a href=3D"mailto:ke...@fusselman.org" target=
=3D"_blank">ke...@fusselman.org</a>&gt;</span> wrote:<br><blockquote class=
=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padd=
ing-left:1ex">


<p>Brandon /Dave had a nice setup for the MMM camera that might be adapted.=
.. </p>
<p>Guys? </p><div><div>
<div class=3D"gmail_quote">On Sep 23, 2012 10:44 PM, &quot;Dan Linder&quot;=
 &lt;<a href=3D"mailto:d...@linder.org" target=3D"_blank">d...@linder.org</a>=
&gt; wrote:<br type=3D"attribution"><blockquote class=3D"gmail_quote" style=
=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">



I&#39;m trying to make a basic two-servo pan/tilt setup. =A0I know with eno=
ugh zip-ties and foam tape I could get one servo attached to the other in t=
he T-formation, but that really seems overly hack-ish.<div><br></div><div>





(For what it&#39;s worth, these are two of the Radio Shack supplied Paralla=
x servos -=A0<a href=3D"http://www.radioshack.com/product/index.jsp?product=
Id=3D12296088" target=3D"_blank">http://www.radioshack.com/product/index.js=
p?productId=3D12296088</a>).<br clear=3D"all">





<div><br></div><div>I think I&#39;d really like one that would replace one =
arm of a servo with a U-shaped bracket, but if there is another option I&#3=
9;m missing I&#39;m all ears.</div><div><br></div><div>For what it&#39;s wo=
rth, I&#39;m looking at mounting a small battery powered squirt gun for use=
 in my basement=A0=A0(the &quot;Cat Scram&quot; device mentioned back in Ju=
ne). =A0 Hopefully we&#39;ll only need this for only a short period of time=
. =A0 (I don&#39;t really want a garden hose with expensive industrial serv=
os and a fast acting electronic water valve...)</div>





<div><br></div><div>Any ideas?</div><div><br></div><div>Dan</div><div><br><=
/div>-- <br>***************** ************* *********** ******* ***** *** *=
*<br>&quot;Quis custodiet ipsos custodes?&quot;<br>=A0 =A0 (Who can watch t=
he watchmen?)<br>





=A0 =A0 -- from the Satires of Juvenal<br>&quot;I do not fear computers, I =
fear the lack of them.&quot;<br>=A0 =A0 -- Isaac Asimov (Author)<br>** *** =
***** ******* *********** ************* *****************<br>
</div>
</blockquote></div>
</div></div></blockquote></div><br></div></div></div>
</blockquote></div><br><br clear=3D"all"><div><br></div>-- <br>************=
***** ************* *********** ******* ***** *** **<br>&quot;Quis custodie=
t ipsos custodes?&quot;<br>=A0 =A0 (Who can watch the watchmen?)<br>=A0 =A0=
 -- from the Satires of Juvenal<br>

&quot;I do not fear computers, I fear the lack of them.&quot;<br>=A0 =A0 --=
 Isaac Asimov (Author)<br>** *** ***** ******* *********** ************* **=
***************<br>
</div>

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