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  1. #46
    Join Date
    Nov 2017
    Location
    Geelong, Australia
    Age
    55
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    1,926

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    Thanks Kryn.

    Made good progress today.

    Leveled the main rails up on some adjustable stands (which I made a couple of weeks back for another job - knowing Iíd need them for the trailer too).

    Got the center beams tacked in



    Center section stringers in place and welded everything that wasnít overhead. Iíll get those when I roll it over.
    Did the verticals downwards, but it wasnít a typical cold downhill run as I was able to sort of hold the weld pool up with the arc and seemed to be getting decent penetration. Took about the same time as what a normal flat run of that length would take and I was getting white gal wispies floating out the ends of the rails afterwards.
    Possibly slightly cold nearer the top going by the gal burn area on the inside of this one.







    Called it quits with the welding at that point as I was dripping wet, and pretty much out of gas.





    I got all the deck support steel cut in the bandsaw before it was time for a shower.

    You might notice Iíve not welded in the last beam at the rear.
    Iím not quite sure how everything is going to sit. The beam needs to be vertical, the stringers need to sit on top of it at the height of the main rails (like in the flat deck area) and I need to have something for ramps to attach to.

    I tacked in a temporary support for the stringers to keep them in place for now.

    Steve

  2. #47
    Join Date
    Nov 2017
    Location
    Geelong, Australia
    Age
    55
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    1,926

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    Interested in your thoughts on this weld. Full of holes, but not you get if you forget to turn the gas on or it gets blown away by a draught.
    It was one of the vertical welds I did yesterday. And seemed to be fine while welding but must have been forming the holes behind me.

    The other dozen or so welds done in the same session were fine, and no issue on the horizontal fillets or flat welds.



    Steve

  3. #48
    Join Date
    Nov 2017
    Location
    Geelong, Australia
    Age
    55
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    Quote Originally Posted by KBs PensNmore View Post
    <snip>
    20NB pipe should be sufficient tie down rails to hold a Landy down, we use 25 bent with a step at the front, have also done a few with steps both ends as well. Only reason we use 25, is cos you never know if people are going to use chain binders on them. Have seen one come back with the pipes really bent, I think they tied down a caravan on it!!! Side rails supported about 400-500 centres with 50X8 will stop any flexing. We put them on the back of the pipes, so that there's a 50mm gap between the side and tie rails along with some 75X5 to take the clearance lights, and it protects them at the same time. What size RHS are you using as the side/combing rails, I run the wiring through this for the side lights. Drill your holes at the bottom of the rail above the lights, saves adding more steel for wiring.

    <snip>
    Kryn
    Kryn, I've just been reading back over previous posts in case I've forgotten things.

    I hadn't clicked at the time on what you were saying about the clearance lights. Was musing last night when I ordered the lights that they were going to be very exposed on the outside of the side rail, then re-read your post tonight.
    Mounting them between the side rail and the tie down rail on a recessed piece of flat is a perfect solution! Thanks

    With the 50x8 for the tie-down rail supports, do you weld that down the back of the side rail, or just butt it up on the bottom and weld around?

    Steve

  4. #49
    Join Date
    May 2011
    Location
    Murray Bridge S Aust.
    Age
    69
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    4,988

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    Quote Originally Posted by OxxAndBert View Post
    Mounting them between the side rail and the tie down rail on a recessed piece of flat is a perfect solution! Thanks
    With the 50x8 for the tie-down rail supports, do you weld that down the back of the side rail, or just butt it up on the bottom and weld around?
    Steve
    You're welcome Steve, anything to help make something easier.
    Your welds are a common problem welding Duragal, if you were to go over it again with weld, there's a good possibility it'll disappear. I believe CO2 is better, but unsure of that?

    Re the tie rails, the 50X8 is welded so that it sits approx halfway to the back of the pipe looking a bit like a "d". You'll need to check the size of your lights, so that they don't protrude past the outside of the combing rail or the tie rails.

    We have 50mm clearance between the pipe and combing rail, with the lights being fastened to 75X5 mm galv flat bar.
    Run your 2 core cable for the side lights through the combing rail, with the 11mm diameter holes down low, so that it's easier to find the cable. I use an old MIG liner with a bit of brickies line tied to the start and a bit of mig wire to tie/tape to the cable and put the string end in first, as it's easier to find a bit of string on the bottom, with a bit of MIG wire bent into a hook to fish out the string.

    The 11mm holes allow you to find the wire and then fit the small (7mm ID) convoluted tubing to protect the wiring.
    Don't be tempted to run the cable in the tie rails, if they get damaged, it's easy to replace/reweld them if you're not having to frig around with wire inside.
    HTH
    Kryn
    To grow old is mandatory, growing up is optional.

  5. #50
    Join Date
    Nov 2017
    Location
    Geelong, Australia
    Age
    55
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    Thanks Kryn - I suspected it was a gal related issue as the holes all have telltale white gal dust on the inside.
    I ground out most of the pitted area and re-welded with no issue.

    I ordered the suspension from Huntsman yesterday - hopefully be able to pick it up next week. The guy I dealt with was great - understood axle lengths etc and suggested a few other parts I may have overlooked.
    I was just going to pay the freight save the 4hrs doing it myself, but odds are it would turn up when I'm not home.

    Thanks for the tips on the rails and wiring. Its all helpful info.

    Steve

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