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Gimbal Project: Difference between revisions
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[[Category:Howto|Gimbal Build a simple pitch & roll gimbal]] | [[Category:Howto|Gimbal Build a simple pitch & roll gimbal]] | ||
Back in May 2009 I had spent some time tossing ideas back and forth with a nice | |||
gent by the name of Jentron on the #flightgear IRC channel (irc.flightgear.org).<br/> | gent by the name of Jentron on the #flightgear IRC channel (irc.flightgear.org).<br/> | ||
We were discussing the various methods that could be used to create a very | We were discussing the various methods that could be used to create a very | ||
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[[file:pop-rivet.jpg]] | [[file:pop-rivet.jpg]] | ||
<br/><br/>Now the first thing you | <br/><br/>Now the first thing you're going to need to do is pop out all the knock-outs | ||
in the electrical box and then drill out the ends using the 1" Step Drill. | in the electrical box and then drill out the ends using the 1" Step Drill. | ||
The hole needs to be large enough to accept the threaded portion of the 3/4 | The hole needs to be large enough to accept the threaded portion of the 3/4" EMT | ||
connector. When you | connector. When you're done, the box should look like this:<br/> | ||
<br/><br/> | <br/><br/> | ||
[[file:prepped_box.jpg]] | [[file:prepped_box.jpg]] | ||
<br/><br/> | <br/><br/> | ||
Next up, you | Next up, you're going to have to use your vice grips (2 pair if you have | ||
them!) to position the 3 | them!) to position the 3" "T" bracket on the side of the extension box. | ||
The best way to do this is to measure 1-1/2 | The best way to do this is to measure 1-1/2" in from the end of the "top" of the | ||
T brace and draw a centering line. Measure the electrical box along its | T brace and draw a centering line. Measure the electrical box along its | ||
long axis and mark the center of it. The centering lines ensure that | long axis and mark the center of it. The centering lines ensure that | ||
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<br/>Position the box and T-Bracket like this:<br/> | <br/>Position the box and T-Bracket like this:<br/> | ||
<br/> | <br/> | ||
[[file:t-bracket_position.jpg]]<br/> | |||
<p>With the vice grip(s) holding the t-bracket in place, put the box in a vice | <p>With the vice grip(s) holding the t-bracket in place, put the box in a vice | ||
to hold it down. You're going to use a 1/4" drill bit to drill holes in | to hold it down. You're going to use a 1/4" drill bit to drill holes in | ||
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<br/> | <br/> | ||
[[file:both_brackets_mounted.jpg]]<br/> | |||
<br/>You'll notice in my drawing that I'm using screws to hold the brackets in. | <br/>You'll notice in my drawing that I'm using screws to hold the brackets in. | ||
This was done because I didn't want to take the time to draw a reasonable | This was done because I didn't want to take the time to draw a reasonable | ||
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With it all assembled, it should look like this:<br/> | With it all assembled, it should look like this:<br/> | ||
<br/> | <br/> | ||
[[file:complete_gimbal_box.jpg]]<br/> | |||
<p>I didn't include the nuts that go to the EMT connectors on purpose. | <p>I didn't include the nuts that go to the EMT connectors on purpose. | ||
They MUST be used. :)<br/> | They MUST be used. :)<br/> | ||
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<br/> | <br/> | ||
[[file:gimbal_box_exploded.jpg]]<br/> | |||
<br/>The last part of this assembly is the stick stub. The stick stub is | <br/>The last part of this assembly is the stick stub. The stick stub is | ||
made from a 7" long piece of 3/4" EMT that has had two holes and a notch cut in | made from a 7" long piece of 3/4" EMT that has had two holes and a notch cut in | ||
the bottom.<br/> | the bottom.<br/> | ||
<br/>A PDF file of the part drawing is available | <br/>A PDF file of the part drawing is available | ||
file:stick_stub.pdf">here</a>. The completed stick | |||
stub should look like this:<br/> | stub should look like this:<br/> | ||
<br/> | <br/> | ||