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Side Bending/breaking?

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Clinchriver

Post subject: Re: Side Bending/breaking?

Posted: Wed Feb 06, 2013 8:51 pm

Contributing Member

Joined: Sat Feb 19, 2011 7:44 pm
Posts: 1225
Location: Andersonville
State: Tennessee
Country: USA
Focus: Build
Status: Professional

MikeyV wrote:

I think that most people, myself included put the wood between metal slats, then the heating pad on top.
I think you'll get a more even heat this way. But it sounds like you've got it down now.

Also, I worry about letting that blanket touch the wood, it is silicone blanket. We know about silicone and problems finishing.

John Hall's videos are very helpful.

So did that first board have a hidden flaw in it that just busted on every one? Bummer.

I called John Hall yesterday and followed his instructions, I might give that a try sometime, the sides I have bent, White Oak and Sycamore bend like macaroni.

I wrapped these in craft paper.

I don't know......nothing I could see, they were perfectly quarter sawn so that was a bummer. I have a good stash of mahogany so chalk it up to a lesson learned.

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Barry Daniels

Post subject: Re: Side Bending/breaking?

Posted: Thu Feb 07, 2013 9:17 am

Brazilian Rosewood

Joined: Fri Aug 19, 2005 4:02 am
Posts: 3272
Location: The Woodlands, Texas
First name: Barry
Last Name: Daniels

MikeyV wrote:

Also, I worry about letting that blanket touch the wood, it is silicone blanket. We know about silicone and problems finishing.

This is a different type of silicone in the rubber and it does not leach out and cause finishing problems.

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MikeyV

Post subject: Re: Side Bending/breaking?

Posted: Thu Feb 07, 2013 12:06 pm

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Joined: Wed Feb 23, 2011 1:04 pm
Posts: 295
First name: Mike
Last Name: Vallandigham
City: Martinez
State: CA
Country: USA
Focus: Build
Status: Amateur

Thanks Barry, that's good to know.
I was worried about that, the blanket feels all greasy, probably because it's brand new.

Cheers!

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Clinchriver

Post subject: Re: Side Bending/breaking?

Posted: Fri Feb 08, 2013 6:01 pm

Contributing Member

Joined: Sat Feb 19, 2011 7:44 pm
Posts: 1225
Location: Andersonville
State: Tennessee
Country: USA
Focus: Build
Status: Professional

Follow up: I bent another set of Mahogany sides for a size O I'm going to be starting later in the year. Much tighter radius on upper and lower bouts. When the temp was around 160 I started applying hand pressure and completed the bend, then used the spring cauls to hold in position. You can feel the wood relaxing as the temperature goes up. Seems Mahogany starts to relax much quicker than the White Oak I've worked with.

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