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Thread: Post & Beam Timber Frame Garage
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15th July 2018, 07:55 PM #46GOLD MEMBER
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Yeah cool, that's a great idea and it crossed my mind too but I didn't think I'd be able to lift and manoeuvre the pieces through a thicknesser and it would have involved buying/making/leveling infeed-outfeed supports etc as you say and it all seemed like too much work! But the results would certainly be better! Well done on sorting that out.
I haven't seen any chain mortisers cheap? Where are they available for $1000AUD? Cheapest I can find is a new Makita for approx $2500- imported. Which is still far better than the $4300- rrp here!
Cheers,
Dom
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15th July 2018 07:55 PM # ADSGoogle Adsense Advertisement
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15th July 2018, 09:30 PM #47
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15th July 2018, 09:34 PM #48
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16th July 2018, 03:36 PM #49GOLD MEMBER
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16th July 2018, 03:50 PM #50GOLD MEMBER
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Spent a lot of time staring and thinking yesterday. Dressed and squared up (as best I could without removing much timber) 3 posts and one tie beam. Cut tie beam to length. Festool systainers came it handy as offcut supports! The perfect height for my saw horses.
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One post is completely covered in knots and will be unsuitable as a post. I may be able to get some short lengths between major knots to use as queen posts that will be mainly in compression. Hopefully I don't encounter any more like this as I didn't buy any "extra" timber, just the minimum for the job.
Aside from some bow the timbers are free of twist so far.
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Will layout joinery next couple of nights and then start cutting.
Cheers, Dom
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16th July 2018, 07:15 PM #51GOLD MEMBER
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16th July 2018, 10:25 PM #52GOLD MEMBER
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Yeah the timbers are freshly milled so are still very wet. Above 30%.
I suppose one could predict the relative shrinkage of each mortise and corresponding tenon based on grain orientation and adjust tge fit to suit, but that just seems excesive right. Hat slapping fit it is (whatever hat slapping actually means )
Cheers, Dom
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17th July 2018, 10:50 PM #53Senior Member
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The cheapest chain mortisers I've seen are on japanese ebay haha or on ebay from japan, there are loads of them on there and they even have portable chisel morticers ( which I've heard are only any good on really soft timbers). The problem lies mainly in the power supply. Im no expert but Japanese mains power is 100V and not sure about frequency/amps or even what gear would be required to transform the electricity, though I would be very interested to know if anyone has any experience running japanese or USA tools in Au.
here is some links
-$660 USD (including shipping) https://www.ebay.com/itm/hitachi-cb-...iser.TRS0.TSS0
-$900 USD for a Makita 7104l https://www.ebay.com/itm/Makita-7104...iser.TRS0.TSS0
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23rd July 2018, 11:36 PM #54GOLD MEMBER
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Started actually cutting some joinery.
Going ok, made some mistakes, still getting comfortable working with datum lines and theoretical timber sections vs actual surfaces and edges, but hopefully things will speed up as I go.
Using a combination of auger bit, chisels, saws and router at the moment. Aside from 4 housed mortises for braces I am done with the first two posts and will move onto the tie beam. Then will cut braces and test fit one lower bent assembly before making the second and then raising the pair. Then I'll make the third and raise it before making the king posts / rafters / queen posts / purlins etc (the whole upper half) - which I'll fit in-situ.
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Cheers, Dom
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24th July 2018, 08:23 AM #55GOLD MEMBER
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Couple more.
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Cheers, Dom
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26th July 2018, 08:12 AM #56GOLD MEMBER
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Hopefully get the tie beam done this weekend, along with the tie-beam to post braces ready for a test-fit. Not sure if I should cut the braces and mortises based on theoretical dimensions and hope it comes together or test fit the beam and posts and measure the actual positions/dimensions for the braces.
One thing I will say is that this little Japanese ink line I purchased a while ago has been indispensable. Each timber has some bow in it and getting straight reference lines is made much easier with this ink line. Maked me wonder why I only see the coarse chalk lines in Au hardware stores.
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Cheers, Dom
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26th July 2018, 10:02 AM #57GOLD MEMBER
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Which ink line is that, is it a Tajima or another one?
I like what you are doing there, Where did you get the info/ knowledge on the joints? I am considering doing a similar thing myself
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26th July 2018, 11:20 AM #58GOLD MEMBER
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Yeah it's a Tajima I think though it has no english writing on it. Has a penguin looking picture on it and "Jr Super".
I got the info from various places and some I just made up/synthesised based on bits of info here and there. Most of my limited knowledge is from two books. One is by Tedd Benson - Building the Timber Framed House and the other by Steve Chappell - A Timber Framers Workshop. My design is not traditional or typical however so there are no examples to work from, however the joinery is fairly typical.
Cheers, Dom
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26th July 2018, 12:01 PM #59Member
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Hi Dom,
So you got all the timber from Peter?
Nice guy. Been there quite a few times. Not surprising, I am a neighbour.
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26th July 2018, 12:21 PM #60GOLD MEMBER
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