Building offroad caravan. - Page 4




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  1. #61
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    Default Re: Building offroad caravan.

    It looks heavy.

  2. #62
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    Default Re: Building offroad caravan.

    Hoe gaan jy met dak maak?

  3. #63
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    Default Re: Building offroad caravan.

    Quote Originally Posted by Pieterk View Post
    Die stainless flux brand sewe soorte akkies uit jou uit. Hy spat mos lekker.
    Jy skop om die flux van jou voet af te kry, en daar trek die plakkie.
    Jy loop om die plakkie te gaan haal en trap jy op 'n skerp stuk yster.
    More is nog 'n dag!
    Ek voel jou pyn, maar more doen ons dit weer!


  4. #64
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    Default Re: Building offroad caravan.

    Quote Originally Posted by Chris Stoffel View Post
    It looks heavy.
    Nothing bigger or heavier than the origional.
    The chassis with spare and floor was 350kg.
    I have used close to 4 sheets 1.5mm 3CR12 so far. Each weighing 37kg= 148kg
    2kg of welding of which i have already ground half away.

    Give or take, 500kg so far.
    The doors and cupboards will all be 2mm alu and the popup roof also
    I am hoping to come in under 800kg without anything packed inside.
    Last edited by Pieterk; 2018/03/13 at 07:25 PM.
    2011 Isuzu 300d-teq 4x4 d/c
    The decision you make today, will determine the road you walk tomorrow

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  6. #65
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    Default Re: Building offroad caravan.

    Quote Originally Posted by sfdt View Post
    Hoe gaan jy met dak maak?
    Pop up, aluminium.
    2011 Isuzu 300d-teq 4x4 d/c
    The decision you make today, will determine the road you walk tomorrow

  7. #66
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    Default Re: Building offroad caravan.

    Quote Originally Posted by Pieterk View Post
    Pop up, aluminium.
    Why Alunimuim and not 3cr12

  8. #67
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    Default Re: Building offroad caravan.

    The aluminium wll save weight and the structure from 3cr12.
    2011 Isuzu 300d-teq 4x4 d/c
    The decision you make today, will determine the road you walk tomorrow

  9. #68
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    Default Re: Building offroad caravan.

    Pieter, have you given any thought to isolation to keep galvanic corrosion down?

  10. #69
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    Default Re: Building offroad caravan.

    Quote Originally Posted by Pieterk View Post

    I have now used 5 cutting discs and i am on the second grinding disc. 2 kg welding rods and lots of coffee.
    That is a pretty good ratio of discs to welding ! Mine would be 10 times the number of discs and lots more coffee ! Looking good so far, looking forward to the last few bits. That is usually when the builders ideas start to come out in their tweaks and gadgets !

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  12. #70
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    Default Re: Building offroad caravan.

    Quote Originally Posted by Pieterk View Post
    The aluminium wll save weight and the structure from 3cr12.
    I inherited an old homemade trailer that was all steel plate and wooden floor (old decking) I bought some chequer plate and refurbished the trailer. Amazing how much lighter it is, easy to push around in the garage,easy to lift the lid. It is amazing how much of a difference it makes.

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  14. #71
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    Default Re: Building offroad caravan.

    Keeping an eye on your build Pieterk. Great job thus far. Would love to see it in person sometime if possible.
    2006 Grand Cherokee 3.0 CRD Overland
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  16. #72
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    Default Re: Building offroad caravan.

    Quote Originally Posted by Bosuil View Post
    Keeping an eye on your build Pieterk. Great job thus far. Would love to see it in person sometime if possible.
    Jy's welkom om te kom loer. Ek bly in Kleinkrantz.
    2011 Isuzu 300d-teq 4x4 d/c
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  17. #73
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    Default Re: Building offroad caravan.

    Quote Originally Posted by BruceB View Post
    Pieter, have you given any thought to isolation to keep galvanic corrosion down?
    I have a whole box of Sikaflex waiting.
    After the caravan shell is completed. I will lift it. Then stick the aluminium floor down with Sikaflex. Then the shell will again be stuck down with sikaflex and Galv tek screws and rivets. In addition, another option would be to fit a sacrificial anode or two.
    I am not very clued up with this phenomenon. Everything will receive a good layer of paint and i am contemplating doing an undercoat on the chassis etc.
    2011 Isuzu 300d-teq 4x4 d/c
    The decision you make today, will determine the road you walk tomorrow

  18. #74
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    Default Re: Building offroad caravan.

    Quote Originally Posted by Pieterk View Post
    I have a whole box of Sikaflex waiting.
    After the caravan shell is completed. I will lift it. Then stick the aluminium floor down with Sikaflex. Then the shell will again be stuck down with sikaflex and Galv tek screws and rivets. In addition, another option would be to fit a sacrificial anode or two.
    I am not very clued up with this phenomenon. Everything will receive a good layer of paint and i am contemplating doing an undercoat on the chassis etc.
    Watse sika gebruik jy?

  19. #75
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    Default Re: Building offroad caravan.

    Quote Originally Posted by sfdt View Post
    Watse sika gebruik jy?
    Sikaflex-221. Cost R900.00 for the box. R75.00 ea.
    I helped to build a seagoing vessel. Sikaflex-221 was used for everything.
    If it has cured, nothing takes it apart or off. If you get it on your hands, you walk with it for a week.
    Last edited by Pieterk; 2018/03/13 at 07:57 PM.
    2011 Isuzu 300d-teq 4x4 d/c
    The decision you make today, will determine the road you walk tomorrow

  20. #76
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    Default Building offroad caravan.

    Quote Originally Posted by Pieterk View Post
    I have a whole box of Sikaflex waiting.
    After the caravan shell is completed. I will lift it. Then stick the aluminium floor down with Sikaflex. Then the shell will again be stuck down with sikaflex and Galv tek screws and rivets. In addition, another option would be to fit a sacrificial anode or two.
    I am not very clued up with this phenomenon. Everything will receive a good layer of paint and i am contemplating doing an undercoat on the chassis etc.
    As long as you keep them isolated you should be fine. I very much doubt sacrificial anodes will work outside water. GE were pretty anal about it on the locos I was involved with. Used a gasket and powder coated under the gaskets before assembly and then painted the whole structure again.

    I also donít know exactly where 3Cr12 sits on the table, because it isnít a stainless steel. Aly and stainless are about as reactive to one another as you can get.

    What about double sided tape instead of sikaklex?
    Last edited by BruceB; 2018/03/14 at 12:08 AM.

  21. #77
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    Default Re: Building offroad caravan.

    Well done!!
    Can't wait to see the end result.
    Dirk Lombard
    Mercedes-Benz GL350cdi (LowRange, Centre Diff, Rear Diff)
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  22. #78
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    Default Re: Building offroad caravan.

    Quote Originally Posted by BruceB View Post
    As long as you keep them isolated you should be fine. I very much doubt sacrificial anodes will work outside water. GE were pretty anal about it on the locos I was involved with. Used a gasket and powder coated under the gaskets before assembly and then painted the whole structure again.

    I also donít know exactly where 3Cr12 sits on the table, because it isnít a stainless steel. Aly and stainless are about as reactive to one another as you can get.

    What about double sided tape instead of sikaklex?
    Whaaat And waste a whole box of sika?
    I am not too concerned, but then, i do not know enough to be concerned. Ignorance is bliss.
    Would the galvanic reaction also need air/ oxygen for a reaction to take place. Is it a chemical reaction as in corrosion/ oxidation or is it something else? How fast will this take place?
    I will have to ask Google to explain the phenomenon.
    2011 Isuzu 300d-teq 4x4 d/c
    The decision you make today, will determine the road you walk tomorrow

  23. #79
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    Default Re: Building offroad caravan.

    Quote Originally Posted by Pieterk View Post
    Ek gebruik 115mm angle grinder met disk en flapping disc om glad te maak. Ek het gister by builders gaan soek vir die skuurpapier attachment vir die grinder. Sal maar verder moet soek.
    Naand ouens

    As ek 1.6 plaat moet sny gebruik ek my hand rol saag met 'n lem wat bedoel is vir ligte staal. Het geen skuur of glad maak eers nodig

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  25. #80
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    Default Re: Building offroad caravan.

    Quote Originally Posted by bhwiid View Post
    Naand ouens

    As ek 1.6 plaat moet sny gebruik ek my hand rol saag met 'n lem wat bedoel is vir ligte staal. Het geen skuur of glad maak eers nodig
    Maak net seker dit is net vir Aluminium. Kanse dat dit gaan byt op die 3cr12 is beter as goed. Ek het gewone miter sae met alu lemme en hulle is amper die selfde as houtwerk lemme net die tande is effe anders. Om alu plaat reguit te maak gebruik ek 'n gewone hout skaaf. Ek het 2 makitas een vir hout en een vir alu.

    Pieter dink ernstig omtrent die insulasie, dit is my grootste probleem met BL, as jy in die son kampeer is die wa leterlik 'n oond en die hitte word tot laat nag uitgestraal deur dinge soos kaste ens.
    Bou lyk spiekeries, hou die fred dop
    Henk
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