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<div dir="ltr">Fwiw I read this as tongueing truss, so I tuned in. Now I’m disappointed. </div>
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Herrick Goldman</div>
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917.797.3624</div>
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<a href="http://www.EvokeCollaborative.com">www.EvokeCollaborative.com</a></div>
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<a href="http://www.HGLightingDesign.com">www.HGLightingDesign.com</a></div>
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> Stagecraft <stagecraft-bounces@theatrical.net> on behalf of Bill Sapsis via Stagecraft <stagecraft@theatrical.net><br>
<b>Sent:</b> Thursday, February 29, 2024 6:47:28 AM<br>
<b>To:</b> Stagecraft Mailing List <stagecraft@theatrical.net><br>
<b>Cc:</b> Bill Sapsis <bill@sapsis-rigging.com><br>
<b>Subject:</b> Re: [SML] Torqueing truss</font>
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<div class="PlainText">What Dave said.<br>
<br>
Step away from the impact driver.<br>
<br>
Bill S<br>
<br>
bill@sapsis-rigging.com <br>
215.228.0888 X206 <br>
267.278.4561 mobile <br>
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On 2/29/24, 1:10 AM, "Stagecraft on behalf of Dave Vick via Stagecraft" <stagecraft-bounces@theatrical.net <<a href="mailto:stagecraft-bounces@theatrical.net">mailto:stagecraft-bounces@theatrical.net</a>> on behalf of stagecraft@theatrical.net <<a href="mailto:stagecraft@theatrical.net">mailto:stagecraft@theatrical.net</a>>>
wrote:<br>
<br>
<br>
On Wed, Feb 28, 2024 at 11:20 PM joel harari via Stagecraft<br>
<stagecraft@theatrical.net <<a href="mailto:stagecraft@theatrical.net">mailto:stagecraft@theatrical.net</a>>> wrote:<br>
<br>
> Is there a better option for torqueing truss than the good old manual torque wrench?<br>
<br>
<br>
No.<br>
<br>
> Ideally something that I could attach to a impact driver?<br>
<br>
Depends on how frequently you intend to replace all the truss bolts.<br>
Using a zip gun on Grade 8 hardware is a one-shot deal; using a zip<br>
gun on Grade 8 hardware over-and-over-again is not a Very Good Thing.<br>
A lot of people tend to think "if two seconds of ugga-duggas on this<br>
bolt is good, then five seconds of ugga-duggas on this bolt has to be<br>
better!" Those people are wrong; too many ugga-duggas and you've<br>
exceeded the plasticity and yield strength of the bolt, with<br>
potentially cataclysmic results. Or at the very least, you've deformed<br>
the threads, and now you *have* to force the nut down snug with an<br>
impact gun because you can no longer hand-thread the nut all the way<br>
down snug. At that point, that bolt should be "removed from service"<br>
(a polite way of saying "destroyed so no one ever tries using it<br>
again.")<br>
<br>
Plus a manual torque wrench (usually) won't hurt your ears.<br>
<br>
-DV<br>
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