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Linus
PostPosted: Wed Sep 19, 2012 7:51 am 
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Can someone point me towards a dial/device to measure top deflection?
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Mark Tripp
PostPosted: Wed Sep 19, 2012 8:01 am 
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Grizzly's assortment of dial gauges

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Dave Stewart
PostPosted: Wed Sep 19, 2012 8:12 am 
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If you'd searched the archives, you'd find a lot of info, like this
viewtopic.php?f=10101&t=35475&p=466330&hilit=deflection#p466330

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Linus
PostPosted: Wed Sep 19, 2012 8:23 am 
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Dave Stewart wrote:
If you'd searched the archives, you'd find a lot of info, like this
viewtopic.php?f=10101&t=35475&p=466330&hilit=deflection#p466330


Thanks.

I did search the archives but top deflection pulls up hundreds and hundreds of hits. Lots of useful information to be sure.
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Dave Stewart
PostPosted: Wed Sep 19, 2012 8:45 am 
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........search tip: do your first seach for the term (eg "deflection") in "titles only"
Check out David Hurds site (of left-brain luthiery fame..... http://www.ukuleles.com/
Lots of good info, including about "compliance" (or deflection).

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Linus
PostPosted: Wed Sep 19, 2012 11:53 am 
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Dave, thanks for the tip regarding that http://www.ukuleles.com/ site. There are a LOT of really interesting articles and tips in included there.

And Mark, thanks for pointing me towards the dials on Grizzly's site. That was helpful.
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dunwell
PostPosted: Wed Sep 19, 2012 3:35 pm 
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Are you looking for just the gauges or information on jigs? Harbour Freight has various dial gauges that are cheap but OK for the level of measurement needed for top deflections (+- a thou). If you are looking for ideas on jigs, I have a brief page on one for mandolins that could be modified to work for guitars by just building larger.
http://dunwellguitar.com/DeflectionJig/DeflectionJig.htm

Alan D.
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Jim Watts
PostPosted: Wed Sep 19, 2012 7:02 pm 
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Here's my rig. Not very elaborate but it's movable. I map out various locations on each top.
I have an another set of feet for it too, allowing me to decrease the span for narrower locations.
Attachment:
deflection jig.jpg


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