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Thread: Trailer build

  1. #31

    Re: Trailer build

    Yep, that's the easy bit, making it adjustable will be tricky. A couple of photos after I started cutting the guide ring off, most of it is almost ready to start welding now, no work this weekend, got family "stuff" on.
    Attached Images Attached Images

  2. #32

    Re: Trailer build

    The trailer looks reasonably good in those pictures, but......the third cross piece is completely rusted out, the left hand main side rail has had about a metre welded in, the right hand one is rusted out at the back, and one side rail onto the drawbar is rusted out, you can see the state of the guide ring, the rear curve was rusted right off. I started "patching" but it just started to get out of control, every time I cut something, it was paper thin and just made it hard to do anything substantial.

  3. #33

    Re: Trailer build

    OH, by the way, those sad old jacks and pieces of wood were used to try to straighten bent bits, and to Jack the guide ring out of the tubes welded onto the cross bits, years of salt water made them pretty "firm" to get out. Thinking about how I can cut the walkway off the middle without wrecking it, might end up just scrapping it.

  4. #34
    Ausfish Addict disorderly's Avatar
    Join Date
    Sep 2006
    Location
    In the Jungle/Mission Beach Hinterland

    Re: Trailer build

    Personally i'd just go new with the walkway...
    Clean new steel will make life easy..

    Sorry I didnt read the whole thread..but just wondering if you intend to get the whole frame hot dipped once you have done the cutting and welding and what that may cost....?

  5. #35

    Re: Trailer build

    nice view from the front door noelm

  6. #36

    Re: Trailer build

    Yes, it will be hot dipped, I have been quoted all sorts of prices from $10 per KG to less than half that, the local place near me is now only some kind of depot, you drop it off, fill in the details and it goes to Sydney, then up to Newcastle! The local place closed a year ago because of Covid and hasn't reopened. The ends of the tube will be sealed off with caps and some oil poured in them.

  7. #37

    Re: Trailer build

    Quote Originally Posted by stevej View Post
    nice view from the front door noelm
    Yeah, sure is, I catch Bream just over the edge, and there is a "secret" Lobster hole just out a bit.

  8. #38

    Re: Trailer build

    If you look at the rear view, you can see one of the guide roller posts is bent over, I cut that bit of timber and was using that hydraulic jack to try to push it back straight. I kept pumping the jack, more and more pressure, it moved about 10mm, so I gave it a few more pumps...then.....bang, it slipped, that bit of wood landed on the bonnet of my Hilux, the jack flew across the driveway, near taking my elbow off, and the upright guide just sprung back to where it was.,

  9. #39

    Re: Trailer build

    Any idea why the under carrage is not rusting but the upper frame is? The trailer i towed my caribbean home on was the exact same very similar under carrage to yours and my top frame was cactus

    When u weld your upper frame run some cheap small 30x30x3mm angle iron in a X it should keep the frame square while u weld it and use lots of tack welds before welding

    Should come out really nice once its all galvanised, if u want to salvage the walkway just use a grinder to cut all the welds

  10. #40

    Re: Trailer build

    Yeah, it will take a lot if work to cut the walkway off though, it's kind of cut around the cross members, not just sitting on top, why it was done like that is anyone's guess, I might try and cut the mesh off, then just buy some small angle and weld it on top. Don't know why the suspension setup is OK, maybe it was double dipped or something? You can see the side I replaced a while ago, right on the back, it's kind of shiny.

  11. #41
    Ausfish Bronze Member Ah Me Ting's Avatar
    Join Date
    May 2019
    Location
    Tweed Coast, Northern NSW

    Re: Trailer build

    Quote Originally Posted by Noelm View Post
    Just in the process of getting the stuff together to build a new trailer for my Sharkcat, has anyone every tried to bend a curve in heavy rectangular tube? There is a place near me that can roll it, but they want $400 to do two bends/curves, it's not critical, just thinking it might look "nice" rang a trailer place (Makay) and they won't sell a curved piece.
    Might be a bit late, looks like you've already cut your steel ...

    FYI

    This patent: http://www.ipaustralia.com.au/applic.../AU2001100106/

    Used to make these sheds: https://shadesheds.com.au/

    I know about them because a mate got one of their sheds to cover his boat. We looked into the 'secret' bend and swag and then realised it was actually pretty easy, so my mate then just made his own for his next project (the shed for the caravan!).
    When my wife calls, tell her I'm in "Ah Me Ting"

    Ah Me Ting = 2019 Quintrex 420 Renegade (Tohatsu 50hp 2 Stroke)

  12. #42

    Re: Trailer build

    What are the legal requirements for a home made trailer in terms of ADR compliance?
    I know that tow bar ADR standards have been in place for some time, preventing people from making their own legally, even if they are just as well engineered.
    These tow bars I assume have to go through some static testing regime, to get approval.

  13. #43

    Re: Trailer build

    Not too sure about the "technicality" but in a way, I am just repairing a trailer (sort of) the running gear, winch setup, drawbar and so on will all be original, and the design is the same, how much can you repair before it becomes new? beats me, the basics are unchanged.

  14. #44

    Re: Trailer build

    There are alot of ADR requirements but unless your abook with legs the blue slip mechanic wont remember it all, my trailer passed without reflectors...lol

  15. #45

    Re: Trailer build

    Once u finish noel just swing it past the blue slip inspector and tell him what u replaced its likely not needed but if anything did happen down the road in your ownership or if u sell the boat on, you have your ass covered as the blue slip mechanic is the engineer and the blue slip contains an "engineers inspection and design check"

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