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  1. #1
    Join Date
    Jul 2009
    Location
    Sydney
    Posts
    11

    Default New bed & Ozzie Jig help

    Just found this forum while searching for info on a couple of products.
    . Have not done any woodwork for a number of years and hoping to catch up.

    My current project is a double bed and have to decide what type of joints to use before I do any further milling and cutting.

    It's a simple post and crosspiece (Rail) construction for the bed ends.
    Posts are jarra 30mm thick xW85mm height yet to be decided.

    Footer will have 2 Crosspiece same thickness 30mm x 100 and 30x 140 with both being Jacaranda or 1 maybe blue gum.whichever combo looks best.

    Header will be the same jarra size but higher with 1 crosspiece 240mm wide in Jacaranda at mattress height,a feature head board at the top using a flitch of 20mm thick x 400mm wide Mackay Cedar (any info on this wood) which I got from the Syd ww show this year.
    I do not know how stable the flitch is so may treat it as a floating type panel and rebate it into the sides of the posts unglued.If I do this a second crosspiece will be used below the mattress level to make the header more stable or use biscuits to join the cedar to the posts.
    The cedar is red in colour with a band of white sapwood and will leave the top edge natural with the bottom squared off.

    The jacarander is white and was cut from a uncle's back yard about 15yrs ago and has a cedar like grain.
    I believe the contrast in timbers will complement each other.

    The options for joints are M&T perhaps through tennons pined to highlight the contrast of the timbers but not sure if 30mm is thick enough to do this.

    Dowel joints using the ozzie jig.
    Biscuits using a triton set up..

    The problem I have with the ozzie jig is this.
    It is the old style jig with 3 hole sizes. A row of 6mm, with the other row half 8mm and10mm.
    This means I will have to relocate the jig in several positions to get the dowels close to the edge of the cross pieces so will have to go through the process of measuring the jig position on each side etc.

    As I purchased the jig a long time ago I no longer have the instructions and not sure the best way to go about using it. The rails will not be flush with the top of the posts but located in several positions along the sides or the posts.

    I contacted ozzie jig via the web site asking for replacement instructions but have not recieved a reply and don't think I will get one.

    Can anyone supply a copy of the instructions via email etc PDF is fine or image word file. I think the instructions for most versions of the jig are close enough to each otherto use.
    Any advice on the joints would be app.

    I forgot to mention I cheated on this.
    I needed a set of heavy brackets for the side rails and slats for the base.
    I could not locate the brackets that I thought were strong enough. The ones James has need to be morticed into the posts so were unsuitable and also cost $40.
    The pine for the slates would have cost around $60 so I bought a second hand bed on ebay for $70 to get the brackets and slats and save a bit of time.

    As a bonus I have some 30mm thick pine from the bed I can use for something else

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  3. #2
    Join Date
    Feb 2007
    Location
    Adelaide
    Posts
    595

    Default

    Sam, I have the current Ozzie jig - with two rows of holes. I bought it a couple of years ago and it came with a DVD. If you think it would help with your 3 row jig, I will give you the DVD, just personal mail me with your postal address and you can have it. Personally, however, there is no way I would use dowels for the cross rails of a double bed. I will be interested to hear what other woodworkers will say about it, but I think dowel joints will have you regretting the choice within a year or two. I would go for M and T.

  4. #3
    Join Date
    Jul 2009
    Location
    Sydney
    Posts
    11

    Default

    Thanks for that.

    I am leaning towards the M & T.
    If I am going to do this I would like to do some as a though tennon for the contrast in the wood.

    Is it safe to do this on the 100mmx30mm posts with the mortice going through the width of the posts and what would be the Max thickness of the M &T.
    I have a long shank 1/2 router bit that could make the mortice by going through both sides of the posts or is there a better way of doing it.
    I do have a drill press but would be tricky to get everything true.

    One of the crosspieces is 240mm wide. I assume it would be better to make 2 tennons rather than 1 long one. It the best way of doing this using a router to remove the waste between the tennons by cutting a slot to get the straight edge between them and finnishing the rest of the cut with a handsaw or circular saw (triton set up)
    Thanks

  5. #4
    Join Date
    Feb 2007
    Location
    Adelaide
    Posts
    595

    Default

    I am not absolutely confident I understand your design, but there is no way I would be trying to make a through mortise through 100mm deep posts just for the sake of a contrast of the end grain where the tenon exits. Maybe a sketch of what you intend would help more experienced bed makers to offer you their advice.

  6. #5
    Join Date
    Feb 2007
    Location
    Adelaide
    Posts
    595

    Default

    Sam, I have sent the DVD to your PO box. I played it first and I am sure you will find it very instructive. It caused me to review my thoughts about your bed structure. If I am reading your explanation correctly, the main weight and stresses on the side rails will be taken by the brackets you have salvaged from your purchase of an old bed. The joints you are talking about are the cross rails at the top and bottom of the bed into the posts. The thickness and the width of the timbers you are using for these pieces suggests that you could get double rows each of about 5 dowels into each joint. If you are using 8mm or 10mm dowels into top and bottom crossrails that have good shoulders and are spaced a bit apart I think you would have a strong enough structure. The Ozzie Jig should allow you to do this very well and the DVD shows you how to do the set up. I am still keen to hear what more experienced folk might add.

  7. #6
    Join Date
    Jul 2009
    Location
    Sydney
    Posts
    11

    Default

    Thanks for the DVD, I'll put it to good use. You are correct, the crosspieces do not support weight. Have tried to add pics but the attachment function does not work nor any of the toolbar icons

  8. #7
    Join Date
    Feb 2007
    Location
    Adelaide
    Posts
    595

    Default

    Whow, Australia Post really excelled in delivering that quickly! In sending pics, it might be that you are trying to Post Quick Reply. If you are, you need to click Go Advanced and then scroll down to where you might be able to click Manage Attachments. If you have done all this already, there is some more fundamental problem that might be worth referring to . Good luck.

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