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Full height purfling

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Terry Stowell

Post subject:

Posted: Tue Dec 11, 2007 3:39 pm

Koa

Joined: Thu Feb 24, 2005 4:53 am
Posts: 1584
Location: PA, United States

I have previously installed purfling that was shorter than the binding. I'm about to use purfling that is the same height as my binding, 1/4". Reverse kerfed linings underneath. I assume it'll be nice to install that way. Any comments?

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Terry Stowell

Post subject:

Posted: Tue Dec 11, 2007 3:42 pm

Koa

Joined: Thu Feb 24, 2005 4:53 am
Posts: 1584
Location: PA, United States

.150" combined thickness...

Which reminds me that my Stew Mac cutter set is not going to work on this. I need a .140-.145" cutter set up.

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Terry Stowell

Post subject:

Posted: Tue Dec 11, 2007 3:55 pm

Koa

Joined: Thu Feb 24, 2005 4:53 am
Posts: 1584
Location: PA, United States

er.... .150" to .155"

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grumpy

Post subject:

Posted: Tue Dec 11, 2007 4:21 pm

Koa

Joined: Wed Aug 22, 2007 11:58 am
Posts: 1667

I'm about to use purfling that is the same height as my binding, 1/4"

Why? And, why?

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KenH

Post subject:

Posted: Tue Dec 11, 2007 5:32 pm

Brazilian Rosewood

Joined: Thu Mar 01, 2007 3:15 pm
Posts: 2302
Location: Florida

I'm confuzed. Can you post a picture of what you are going to try?

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Ken H

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Kent Chasson

Post subject:

Posted: Tue Dec 11, 2007 6:29 pm

Koa

Joined: Fri Mar 23, 2007 9:56 am
Posts: 1271

Why? And, why?

I bet I can answer the first why. It saves a step. Only one rout. Charles Fox used to suggest doing it that way. It works well with narrow binding and purfling but if you are cutting .155", make sure your linings aren't getting too compromised and make sure you have enough glue surface, top to lining.

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Colin S

Post subject:

Posted: Tue Dec 11, 2007 8:04 pm

Brazilian Rosewood

Joined: Thu Jan 06, 2005 7:29 am
Posts: 3840
Location: England

If I'm just using a 0.6mm single line purfling then yes I'll use full height and glue it to the binding pre-bending. But, I'm still only routing about 0.085" tops. I would be wary of taking any more wood off of the sides, in fact I only ever go down to the linings never into them full depth. If I want any wider purfling on the top then I'll just rout a channel 1mm deep leaving at least 1mm of top full width on the linings.

Colin

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Dave Higham

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Posted: Tue Dec 11, 2007 10:03 pm

Cocobolo

Joined: Sat Nov 19, 2005 10:54 am
Posts: 378
Location: Between Bordeaux and the Atlantic. S.W.France

The LMI 'Bold' purflings are 6mm high (same as the bindings) and they show them mounted like that. Their 'fine line' purflings are .080" (2mm) high and they show them rebated into the top. Is this not the normal way to do it?

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Hesh

Post subject:

Posted: Wed Dec 12, 2007 12:05 am

Old Growth Brazilian Rosewood

Joined: Fri Nov 02, 2007 9:49 am
Posts: 13390
Location: Ann Arbor, Michigan
First name: Hesh
Last Name: Breakstone
City: Ann Arbor
State: Michigan
Country: United States
Status: Professional

Charles Fox uses VERY substantial linings too and not the standard linings that are much thinner toward the bottom.

It would probably be OK with reverse kerf linings but I would not go beyond .150 though. Stew-Mac does come with a .150 cutter and remember too that something like .005 of the channel will be glue, your bindings, if wood, may swell, etc. It's a moving target......

Charles linings are essentially solid linings on the front face - VERY rigid, I know Paul Woolson uses them too and has made them available to us prior.

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Terry Stowell

Post subject:

Posted: Thu Dec 13, 2007 3:22 pm

Koa

Joined: Thu Feb 24, 2005 4:53 am
Posts: 1584
Location: PA, United States

Ken,

Sorry for the poor pix, but here's the idea; BWB full 1/4" tall purfling and mahogany binding mockup. (Black and white ebony side scrap from zootman) I see no problem here...

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JohnAbercrombie

Post subject:

Posted: Thu Dec 13, 2007 4:16 pm

Brazilian Rosewood

Joined: Fri Nov 03, 2006 6:50 pm
Posts: 2711
Location: Victoria, BC
First name: John
Last Name: Abercrombie
Status: Amateur

Terry-
If your binding and purfs are 0.150", then it looks like the 'side' in your pic is about 0.135...is this accurate?

Anyway, in the pic you certainly have plenty of lining left.

John

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FishtownMike

Post subject:

Posted: Thu Dec 13, 2007 4:26 pm

Koa

Joined: Sat Aug 04, 2007 10:37 am
Posts: 590
Location: United States
First name: Michael
Last Name: Shaw
City: Phila
State: PA
Zip/Postal Code: 19125
Country: United States

Your sample makes it more understandable.

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Terry Stowell

Post subject:

Posted: Thu Dec 13, 2007 4:27 pm

Koa

Joined: Thu Feb 24, 2005 4:53 am
Posts: 1584
Location: PA, United States

Hi John,

In this mockup, the sides & top are both .100" When I glued the binding on, it stuck out a bit, cuz I didn't have the right cutter (topic of another thread...) The channel is only .120"

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