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Oyoyo - Now Chicken Coupé

Discussion in 'G-Wagen Technical' started by Andrew, Jun 11, 2015.

  1. Stu

    Stu Member

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    Phwew, almost...... good thing the frame is strong. I had visions of mine coming off the trailer too, my frame was on castors....
    Glad all is OK
     
  2. Arnold Ross

    Arnold Ross G-Wagen Club SA

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    Eish... Close call Andrew!!

    So no damage?

    Regards,

    Arnold
     
  3. Arnold Ross

    Arnold Ross G-Wagen Club SA

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    So the deep thoughts... Was it about the person that tied it down?

    If so, was it good thoughts?

    Sorry... could not help myself!

    Arnold
     
  4. Heinie

    Heinie G-Wagen Club SA

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    The wheels did not come here - just the body - eich! Andrew Andrew!!!!
     
  5. Andrew

    Andrew Moderator G-Wagen Club SA

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    tiny scrape mark under the rhs taillight and a strap ding behind one door - maybe an hours repair job.

    Deep thoughts - all the co incidence leading to the unlikely permutation of events that ended like they did ie; no family in an I 10 behind me; no chrome truck in front; no damage to anything but my ego etc... that road is normally crazy busy.

    I strapped it myself! Hit a pothole and the straps sheared through on the door sill
     
  6. Arnold Ross

    Arnold Ross G-Wagen Club SA

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    All's well that ends well!

    Glad you were so lucky!

    Regards,

    Arnold
     
  7. Alan

    Alan Moderator G-Wagen Club SA

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    Wow, lucky Andrew. Glad nothing serious happened.
     
  8. 460LeoG

    460LeoG Moderator G-Wagen Club SA

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    This will become a fond memory after the heart rate comes down... I really like the shade of green on there Andrew. Well picked.
     
  9. Andrew

    Andrew Moderator G-Wagen Club SA

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    Thank you my friend. I appreciate your fine and discerning eye.
     
  10. Dawie Louw

    Dawie Louw G-Wagen Club SA

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    Unlucky, Lucky you!
     
  11. Andrew

    Andrew Moderator G-Wagen Club SA

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    IMG_0732.JPG Just in case someone searches about underbody sealant, here are some observations by someone who is not very happy with what he did under his body.

    I stripped the old sealant off. This was time consuming and costly
    I sandblasted it clean
    I called the Sika rep to visit and he recommended Sika 529
    I applied it using his applicator.
    This was costly.
    I phoned the rep and asked him if I could overcoat with black Jotamastic 90 as I did not like the colour.
    Yes he said
    I phoned Jotun and asked them if I could apply Jotamastic 90 to Sika 529.
    Of course you can they said.

    So I did and now it is falling off.

    And according to both parties it is possible to apply it together. Both parties said nothing about it falling off, and apparently both of them are innocent of wrongdoing.

    I took this week off So as to get the body fitted. War has been declared.
     
  12. Andrew

    Andrew Moderator G-Wagen Club SA

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    IMG_2726.JPG Dilute pool acid 1:4 with water and dunk the fuse box in it. Cleans it nice!
     
    Last edited: Sep 11, 2017
  13. Gerhard van Rooyen

    Gerhard van Rooyen G-Wagen Club SA

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    Thank you Andrew for your costly lesson in underbody treatment.

    BTW - fuse box looks nice!
     
  14. Stu

    Stu Member

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    Andrew my 529 doesn't fall off! what did come off was the base coat that was applied after the 529, but after re applying and followed by clear coat, it seems quite durable. My wheel arches are still metallic brown.
    It could be that my underbody was blasted quite heavily and the sigma coating left a really rough surface fro the sika to grip on. OR is the Jota reacting with the 529???
    Really annoying that this is now happening after the body has been done.
     
  15. Andrew

    Andrew Moderator G-Wagen Club SA

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    I think it is a chemical mismatch between Jota and Sika. I really dont know how to fix this yet and it obviously snookers everything else!
     
  16. Gerhard van Rooyen

    Gerhard van Rooyen G-Wagen Club SA

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    I assume those holes will receive plugs at some point? - Can you not do that first and then use a pressure washer to remove the Jota? or is the body not ready to be near water yet?
     
  17. Andrew

    Andrew Moderator G-Wagen Club SA

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    I flipped it sideways to put those plugs in and saw the damage. The bond is however in most places a little stronger than a pressure washer I think, but your finger nail takes it off. Flying stones will shred it.
     
  18. Alan

    Alan Moderator G-Wagen Club SA

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    I share your frustration. Similat happened to me when I built my trailer. After sandblasting one has to prepare the raw metal within 8 hours and I managed to do that with a product called Zinga. It is a Zinc paint and very impressive - google it. Problem I had was that the supplier said I just paint or do whatever on top of that. So I went and used SIKA to glue all my panels which worked well. I then had to work and was overseas and on return found some panels delaminating. It seems the Zinga formed an oxidation layer which now looked like I glued onto a layer of powder. Needless to say the ones that did come of I redid but the rest that was still on I just added rivets. So far so good.
     
  19. Dikfrik

    Dikfrik G-Wagen Club SA

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    Eishhhh!!! raised to the n-th power!

    No damage?
     
  20. Andrew

    Andrew Moderator G-Wagen Club SA

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    Ok, yesterday all the parties came to visit and the long and short of it is that I am too tense it seems.

    The damage to the underbody was caused mechanically - probably at the panel beaters who did remove the body from the frame

    The Jotun is not as flexible as the Sika and will therefore crack if the Sika flexes. This apparently is no problem and only of cosmetic value.

    The Sika is apparently as per spec - it is soft and apparently impact absorbing, and will scarify off if you try hard enough.

    The tribe has spoken.... i will patch the damage and aluta continua.
     
    Dawie Louw likes this.

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