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-   -   joining 2 boards end to end, best method, dowels? (http://forums.pelicanparts.com/off-topic-discussions/471019-joining-2-boards-end-end-best-method-dowels.html)

avi8torny 04-26-2009 06:05 PM

Kreg

dipso 04-26-2009 06:44 PM

Take a circular saw and cut the 8' piece into 8 12"x12" squares. Throw 7 of those into the fireplace.
Take the last piece and balance it on top of the door.
Now go get the phonebook and find the nearest lumber yard.

On the way out the piece of wood on the door should fall and leave a nice bump on your head. That will serve as a reminder that you can't make an 8'6" length of board out of an 8' piece of wood.

Unless you have a wood stretcher.
:D

masraum 04-26-2009 07:38 PM

Quote:

Originally Posted by Tim Hancock (Post 4629761)
This main wing spar here is made of laminations of perfect tight grained quarter sawn douglas fir boards. It has several scarf joints buried in the layers. It is good for over 10 g's positive/negative. I glued it up using West Sytem epoxy.

Tim, don't take this the wrong way, but you're freakin' insane!!! Wow, serious workmanship there. Very cool! Thanks for the pics.

masraum 04-26-2009 07:39 PM

Quote:

Originally Posted by milt (Post 4629773)
Biscuits are for edge joining, whether it is be flat or angled. End joining is done with dowels for tensile strength. Kreigs are a form of dowel. You said it was non structural, so the long scarf is not needed.

Thanks, this thread will be very educational if nothing else which is fantastic.

masraum 04-26-2009 07:41 PM

Quote:

Originally Posted by dipso (Post 4629920)
Take a circular saw and cut the 8' piece into 8 12"x12" squares. Throw 7 of those into the fireplace.
Take the last piece and balance it on top of the door.
Now go get the phonebook and find the nearest lumber yard.

On the way out the piece of wood on the door should fall and leave a nice bump on your head. That will serve as a reminder that you can't make an 8'6" length of board out of an 8' piece of wood.

Unless you have a wood stretcher.
:D

Hilarious! Yeah, it's just sooo easy to be lazy when there's a HD less than a mile away, a Lowes less than 3 miles away, and the nearest lumber yard (that I know about) is 15-20 miles away.

I considered trying to find the right size and the slacked out of it with "I can make it work."

911pcars 04-26-2009 11:03 PM

Quote:

Originally Posted by javadog (Post 4629834)
I would have bought the wood at a lumber yard, gotten the length I needed in the first place, and been done by now.

Seriously, this is too much work to make something that isn't hard to find.

Good luck,
JR

3/4" pine? How much longer? I gotta agree with JR's suggestion. Spend $99 or ?? instead of buying a longer piece of pine board? Uh, no.

Sherwood

911Rob 04-26-2009 11:21 PM

+1 on a different lumber yard.
Or just leave a 6" gap at the bottom/floor, no one ever looks there and if they do it'll be a conversation piece?

the duct tape pic was LOL!

RWebb 04-27-2009 10:47 PM

here is the problem

wood is made of a bundle of straws - tiny ones

when you try to glue any wood end to end - the straws absorb the glue -- they suck it away from the joint by capillary action -- so the joint is weak or worthless

if you use an expanding type glue, a non-wood glue this will be minimized

if you stick something in holes cut into either end and then glue that, then the biscuit or dowel is glued to each board by being glued to the sides of all those little tubes on each board.

I too would find the right board - then the grain will line up.

masraum 04-28-2009 08:49 AM

Yes, I should have gotten the right size lumber, but I didn't. Thanks for the suggestions. At least now I've got a cool tool for future stuff.

onewhippedpuppy 04-28-2009 09:26 AM

Next time find a real lumberyard. HD or Lowes are a joke for lumber, you're paying more for inferior quality, especially when it comes to hardwood. 15-20 miles is nothing compared to the hassle involved.

To the original question, I would also vote for the pocket hole (kreg). My father-in-law builds cabinets, he uses pocket holes for all of his face-frames and much of his other joining. But none of the listed methods will work well without uniform planed and edged boards. Assuming you don't have a planer and edger, just go buy a new board.


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