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PostPosted: Fri Jun 08, 2018 2:44 pm 
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Joined: Fri May 11, 2018 4:17 pm
Posts: 16
I see where John's two Parallel bars that he uses in his videos are of metal. And he states that they are made to be the same.
My question is how High should they be 1/2" 3/4" or what and also why can't you use 3/4" wood cut from the same piece of wood??? Is it that curture to be that accurate??


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PostPosted: Fri Jun 08, 2018 8:02 pm 
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Joined: Fri Mar 03, 2006 7:09 pm
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Location: Hegins, Pa
mine are 5/8 in high and I used these as a machinist in the old days Yes you can use plywood as long at it is reasonably flat

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John Hall
Blues Creek Guitars Inc
Authorized CF Martin Repair Center
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http://www.bluescreekguitars.com


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PostPosted: Sat Jun 09, 2018 5:17 am 
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Joined: Wed Aug 13, 2014 12:14 pm
Posts: 1080
If you wvant steel ones, there are any number of sources and prices. High precision sets can cost several hundred dollars, which would be pointless for this use. Most parallels tend to be fairly thin, 1/8" or 1/4", which you probably don't want either. You can get 1/2" thuck ones, but they asren't as common.

I'd be inclined to make a pair out of some very hard dense wood, lignum vitie maybe.

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PostPosted: Sat Jun 09, 2018 7:26 am 
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Joined: Thu May 24, 2012 8:03 am
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Location: Chestertown Maryland
Are parallel bars the same as winding sticks?

Ed


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PostPosted: Sat Jun 09, 2018 10:25 am 
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Joined: Fri Mar 03, 2006 7:09 pm
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Location: Hegins, Pa
not really parallels are used in machine setup and tool making to assure that what you are doing is square and even

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John Hall
Blues Creek Guitars Inc
Authorized CF Martin Repair Center
Board of Directors of Association of Stringed Instrument Artisans
http://www.bluescreekguitars.com


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