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| Off Topic |
11-27-2006, 03:29 PM
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#1 | | Grumpy Old Moderator
Join Date: Jul 2005 Location: Galaxy far, far away
Posts: 2,553
| Help with Load Ratings for Wood I realize this has zip to do with scrolling but I've had no luck in searching and asking elsewhere. I just received an order for a custom entertainment center. That's the easy part. The TV weighs 260 lbs. At one time I had a chart which listed different species of wood and the amount of weight they could handle without sagging over different spans. As this will be a black piece, I will be using oak, both for strength and ease of ebonizing it. The shelf that the TV will be sitting on will span about 4 ft (a little more than 1 meter for everyone not in the US, hehehe). I'm thinking 3/4" oak HVHC ply with a single reinforcement in the center of the span will be sufficient to hold the weight but hope to confirm this.
Anyone????
Thanks.
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Kevin Scrollsaw Patterns Online Making holes in wood with an EX-30, Craftsman 16" VS, Dremel 1680 and 1671 A wise and frugal government, which shall leave men free to regulate their own pursuits of industry and improvement, and shall not take from the mouth of labor and bread it has earned - this is the sum of good government. - Thomas Jefferson |
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11-27-2006, 04:43 PM
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#2 | | Senior Member
Join Date: Jan 2005 Location: Janesville, WI
Posts: 927
| Kevin, I would think with that piece in the center that it would be plenty of support. How will the ends be supported? Good luck with it.
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Mick, - Delta P-20
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11-27-2006, 06:30 PM
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#3 | | Grumpy Old Moderator
Join Date: Jul 2005 Location: Galaxy far, far away
Posts: 2,553
| Quote: |
Originally Posted by Mick Walker How will the ends be supported? Good luck with it. | Thanks for the response Mick. Of course, you bring up the other challenge to designing this piece. They want it 6' high. I know a Dado isn't going to cut it (no pun intended) so I'm figuring out a way to reinforce the sides without detracting from the piece.
Kevin
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Kevin Scrollsaw Patterns Online Making holes in wood with an EX-30, Craftsman 16" VS, Dremel 1680 and 1671 A wise and frugal government, which shall leave men free to regulate their own pursuits of industry and improvement, and shall not take from the mouth of labor and bread it has earned - this is the sum of good government. - Thomas Jefferson |
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11-27-2006, 06:31 PM
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#4 | | Guy with tools
Join Date: Nov 2005 Location: North West, NJ
Posts: 245
| Somewhere at home I have a fairly recent magazine that covers shelf spand loads. I will look for it tonight.
__________________ Dan -Just do'in the best I can every day |
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11-27-2006, 08:17 PM
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#5 | | Gone to the Dark Side
Join Date: Mar 2006 Location: Québec, Canada
Posts: 1,127
| Hi Kevin,
Here is the solution you require : http://www.woodbin.com/calcs/sagulator.htm
Regards,
Marcel
__________________ http://marleb.com
DW788. -Have fun in the shop or it isn't a hobby anymore. NOTE: No trees were killed in the sending of this message, but a large number of electrons were terribly inconvenienced. |
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11-27-2006, 08:35 PM
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#6 | | Grumpy Old Moderator
Join Date: Jul 2005 Location: Galaxy far, far away
Posts: 2,553
| Quote: |
Originally Posted by Marcel in Longueuil | YAY!!!!! That be it. Thanks a ton Marcel!!!!!!!!!
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Kevin Scrollsaw Patterns Online Making holes in wood with an EX-30, Craftsman 16" VS, Dremel 1680 and 1671 A wise and frugal government, which shall leave men free to regulate their own pursuits of industry and improvement, and shall not take from the mouth of labor and bread it has earned - this is the sum of good government. - Thomas Jefferson |
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11-27-2006, 11:45 PM
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#7 | | Senior Member
Join Date: Nov 2005 Location: california
Posts: 5,160
| Now thats a nice link , thanks from me too, Marcel. I can use that too. Evie |
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11-28-2006, 12:42 AM
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#8 | | Senior Member
Join Date: Dec 2005 Location: Beautiful Southern Oregon
Posts: 628
| Thanks Marcel, I just saved that link. ![013[1]](http://www.scrollsawer.com/forum/images/smilies/013[1].gif)
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Chuck D
A truly happy person is one who can enjoy the scenery on a detour. Hegner 18, Delta p-20, Griz 14 inch Band saw |
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11-28-2006, 02:07 PM
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#9 | | Senior Member
Join Date: Jun 2006 Location: New Jersey
Posts: 1,008
| sawdustus of hiawatha Thank you Marcel!!!! I have been using R. Bruce Hoadley's formulas from Understanding Wood to do the calculations. Quite tedious to say the least. Great site. It is now in my favorites list.
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A day without sawdust is a day without sunshine.
George
delta 650, hawk G426
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11-28-2006, 02:17 PM
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#10 | | Guy with tools
Join Date: Nov 2005 Location: North West, NJ
Posts: 245
| That is a very usefull link. The article I was talking about also took into consideration any edge banding you use to either dress up the edge of plywood or to add thickness to the shelf.
I looked last night and could not find it. I will look in the magazines electronic index to see if I can find it.
__________________ Dan -Just do'in the best I can every day |
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