Rafter tongue and fork connection

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  • To All:
    I'm trying to create a tongue and fork connection between two roof rafters that are at a 6/12 roof pitch.
    The program creates a tenon as if it was a brace tenon and will not draw the tenon and mortise at the correct angle.
    It works for me years ago, just fine with a 12/12 roof pitch.
    Does anyone have any solution to creating a tongue and fork rafter connection at a 6/12 roof pitch?
    Thanks.
    Jim Rogers

    Jim Rogers
    Sneads Ferry, NC, USA


    Version 24.01.4, 23.01.4, 22.02.2, 20.02 13.04, 12.03, 11.06, 10.02, 9.05, 8.04, 7.03, and 5.05

  • Hi Jim,


    even if the connection you describe looks like a teon, it isn't for our program.
    Tenons in D-CAM are always perpendicular to the flanks of the tenon.
    On a pitch of 12/12 this works all right. On any other pitch it will not.


    I your case you can create the tenon by cutting away two end lap joints to leave the shape of the tenon in the center. The mortise, or fork, you can then create using the notch function and the side surface of the tenon.


    I already thought of making a SmartTag for this connection. I'll post it once it's finished.


    With kind regards,

    Mit freundlichen Grüßen,
    With kind Regards,


    Markus Brunn

  • Markus:
    Thanks for the suggestion. And I had already thought of that, and of course tried that.
    But on the inside of the pair I've created a drop in dovetail for the ridge beam, and because of this dovetail pocket the joint doesn't seem to work correctly.
    Maybe I should delete the dovetail and then create the fork and tongue and then re-create the dovetail.
    What do you think?


    And also, is it possible to post a jpeg to this forum? What is the procedure?


    Jim Rogers

    Jim Rogers
    Sneads Ferry, NC, USA


    Version 24.01.4, 23.01.4, 22.02.2, 20.02 13.04, 12.03, 11.06, 10.02, 9.05, 8.04, 7.03, and 5.05

  • Hi Jim,


    It would be interesting to see what you are trying to do there. I have a faint idea what the joint you want to do looks like.


    Therefore we are working on the possibiility for each user to upload a gallery of his drawings.


    The SmartTag is in the make and will be posted shortly.


    Kind Regards,

    Mit freundlichen Grüßen,
    With kind Regards,


    Markus Brunn

  • Markus:
    The two rafters in this drawing are 8"x8", again meeting at a 6"/12" pitch.
    I had planned on a 1 1/2" tenon, cut 1 1/2" off the outside face to allow enough wood for a dove tail tenon pocket to be cut into the inside face of the fork rafter.
    Of course this dove tail pocket is for the 6"x8"ridge beam and therefore would be cut vertical or plumb.


    Another question about images: if you roll your mouse over the Img button above the "post a reply" box in this forum the command line changes to "Insert image: {img}http://image_url{/img}" (I have changed the bracket style to make the program show the brackets).
    Does this mean if you post an image to say your own website and then use that address in between the display img codes it will display in the post?


    Jim Rogers
    PS. I could test it and see if it will work.....

    Jim Rogers
    Sneads Ferry, NC, USA


    Version 24.01.4, 23.01.4, 22.02.2, 20.02 13.04, 12.03, 11.06, 10.02, 9.05, 8.04, 7.03, and 5.05

  • Jim wrote:

    Zitat

    Does this mean if you post an image to say your own website and then use that address in between the display img codes it will display in the post?


    Absolutely correct. If you have webspace and put an image there you can show the image in your posts by entering the image location link.
    The same will work with images that you will soon be able to upload to your own gallery in our FIX user forum.

    Mit freundlichen Grüßen,
    With kind Regards,


    Markus Brunn

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