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  1. #1
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    Default Very Quick Question

    If I were to use mitre joints, would I effectively lose one measurement of the thickness of the timber?

    eg: I'm using 18mm timber. I want to mitre a 50x100 piece and a 150x100 piece (along the 100 edge). Do I theoretically lose 18mm off of the 50 piece? (assuming, if it were a butt joint, the 50 piece would stand vertically on the 150 piece)

    Thanks, and sorry if that doesn't make sense :P

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  3. #2
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    Default

    Yep that's right - you will lose 18mm.

  4. #3
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    Default

    And likewise, 36 if I were to do the same thing on the otherside, no?

    Thanks

  5. #4
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    Default

    Yep. Unless you have a very accurate saw you may want to do what I always do and cut your timber a few millimetres longer to allow for a couple of 'corrections'.

    My saw is an el cheapo that rarely if ever makes repeated accurate cuts. I'm always moving it a couple of degrees one way or the other to achieve a nice mitre cut.

    Regards Kev

  6. #5
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    Default

    Ok cool. I didn't want to add 18/36mm to pieces of timber on my cutting list only to find it's wrong :P

    Thanks.

  7. #6
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    Default

    Quote Originally Posted by *Kev View Post
    Yep that's right - you will lose 18mm.
    No you don't. All bits of timber go all the way to the corner don't they? Or are you flipping one bit over? Or do you mean the measurement of the finished artical?
    Last edited by tea lady; 30th January 2010 at 06:25 PM. Reason: more
    anne-maria.
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    Follow my little workshop/gallery on facebook. things of clay and wood.

  8. #7
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    Default

    Quote Originally Posted by Powerb View Post
    I'll delete this when I get an answer

    If I were to use mitre joints, would I effectively lose one measurement of the thickness of the timber?

    eg: I'm using 18mm timber. I want to mitre a 50x100 piece and a 150x100 piece (along the 100 edge). Do I theoretically lose 18mm off of the 50 piece? (assuming, if it were a butt joint, the 50 piece would stand vertically on the 150 piece)

    Thanks, and sorry if that doesn't make sense :P
    The way I read the question was a mitre joint as opposed to a butt joint (which would stand vertically on the other piece).

    Therefore, with a butt joint the top of the vertical piece would be 68mm from the bottom, and with a mitre joint it would be 50mm from the bottom.

    Would somebody who can use sketchup please draw it.

    Thanks, Kev

  9. #8
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    Default

    actually a quick sketch/picture of intended work will solve all guesses.

  10. #9
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    Here is your example

    With a mitre joint your finished product ends up as the boards are cut, with a butt joint the thickness of the board is added to te finished article
    Cheers
    Wolffie
    Every day is better than yesterday

    Cheers
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  11. #10
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    Yeah, that was what I had intended Kev, thanks!

  12. #11
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    Why delete the thread?
    Other members may have been wondering about the same thing
    Cheers
    Wolffie
    Every day is better than yesterday

    Cheers
    SAISAY

  13. #12
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    Default

    I won't now, I'll leave it, seeing as how decent answers (including your diagram) have come up

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