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Step 67: Handle/Electronics: Mechanicals 2.

Add another nut on the outside of the last nut you put on. Drill a 1/4" hole through a scrap of wood or HDPE. Put another nut on the other side of the polyethylene. You can put washers on both sides of it for added stability. Conclude this hardware stack with a wingnut. Using the wingnut and a crescent wrench, you can now adjust the tension on the plastic block (which adjusts how freely the handle rotates). The purpose of the wingnut is to lock the inner nut from rotating on the shaft.

Thread in the tailcap with the new switch. Admire how cool this thing looks.
<p>Thats helpful</p>
Wow that is one long 'Ible!
<p>Fantastic! This project will cause information revolution. </p>
<p>Awsome it gave me some idea. Thank you for your work here:)</p>
<p>Excellent<br></p>
<p>Magnificent</p>
<p>Very nice liked. I hope you the further development.</p>
<p>This is an amazing idea.</p>
<p>wonderful</p>
<p>really clever.</p>
<p>Excellent, i wish i'd have had this when i was at uni</p>
<p>wow a ground breaking design for a simple job. </p>
<p>Intelligent and articulate. Nice work!</p>
<p>Thank you for this nice Instructable. I like it</p><p>Rima</p>
<p>Very cool, i'm sure a few library's should take notice of this and have you build one for them.</p>
<p>Terrific...!!</p>
<p>Extremely good...!!</p>
<p>Thats useful</p>
<p>Awesome...!!</p>
<p>Thats excellent</p>
<p>This is so great!</p>
<p>Its amazing</p>
<p><br>Its cooler :)<br></p>
<p><br>Thats useful<br></p>

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Bio: Hacker, Artist, Researcher, and founder of the diybookscanner.org community.
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