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Thread: Channeling timber help!
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13th June 2010, 07:53 AM #1Novice
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Channeling timber help!
I need to "channel" some timber to reduce the weight, but I'm not sure how to go about it. I have six planks of Silver ash 1800 X 100 X 50 out of which I want to construct a working replica of an ancient Hawaiian surfboard. I realise there are kits available using Paulowina timber, but they are only 38mm thick and not the "Look" I'm after. I have attached (hopefully) a rough sketch of what I want to do, so any advice about the best way to go about it would be appreciated.
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13th June 2010 07:53 AM # ADSGoogle Adsense Advertisement
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13th June 2010, 08:11 AM #2
I can only think of three ways to do this:
1: Cut the channels using a mortise machine.
2: Rout out the channels using a long straight 1/2" router bit and a rectangular template guide. You'll have to attack the channel from both sides.
3: Split the wood down the middle and cut the channels as trenches using a router or table saw, then reglue the wood back together again.
Option 2 would probably be the easiest to implement and look the neatest but will also take the longest to do.
For real authenticity you should use a stone chisel to chop out the mortices, using an old leg bone nobody needs anymore as a hammer
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13th June 2010, 08:56 AM #3
Not all that good a way to do it - it's a huge amount of machining just to get the 'look', but if you must do it that way, then suggestion number 3 above would be my vote.
A better way to do it would be to resaw the timber into flexible veneers and assemble up from there, using thin plywood to create an internal web - this sort of thing: http://broceanography.com/2006/10/14...-construction/
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13th June 2010, 11:04 AM #4" making wood good"
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- Hervey Bay QLD
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Why not hollow torsion construction? and lay your silver ash over the frame ?
Routing out or milling out the timber seems like an awfull waste to me.
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13th June 2010, 01:35 PM #5
Train some termites??????
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14th June 2010, 04:13 AM #6Novice
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Thanks for that advice! I think I will look at suggestion #3