SD-40 Possible Production pt.2

Discussion in 'FJ25 Owners Group' started by Krondor, Apr 10, 2018.

  1. Indygbd

    Indygbd SILVER Star

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    I have blue carb plates and gray plates if it helps the your cause. Let me know
     
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  2. Krondor

    Krondor SILVER Star

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    Awesome. When I start the carb plate project I will definitely let you know. Thanks @Indygbd
     
  3. KY Longhunter

    KY Longhunter

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    Anything to report?
     
  4. Krondor

    Krondor SILVER Star

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    I am slowly making progress. I switched from borosilicate glass to regular plate glass. Borosilicate has a much higher melting temperature and it cools more rapidly. This made the slumping process harder.

    So I purchased 10 glass blanks to try out.
    upload_2018-8-28_11-52-32.png

    Kiln test 2:
    upload_2018-8-28_11-52-48.png

    Looking good.
    upload_2018-8-28_11-53-2.png
    upload_2018-8-28_11-54-11.png

    The top and bottom caved in a little so I will need to purchase slightly larger glass plates. The white powder is a mold release Boron nitride.
     
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  5. Krondor

    Krondor SILVER Star

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    While attempting to get it out of the mold, it cracked...
    upload_2018-8-28_11-55-10.png

    upload_2018-8-28_11-55-21.png

    But the definition is there.

    upload_2018-8-28_11-55-37.png

    Until I tried to flame burnish the surface to make it clear...
    upload_2018-8-28_11-56-10.png

    I still need to figure out the tempering and annealing process. It shattered into 1000 pieces when I tried to heat it up. too much stress in the glass.
     
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  6. 65swb45

    65swb45 Elder Statesman Supporting Vendor

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    Whatever cheerleading you need, you got it! This is so frigging cool, it's kind of like our version of the discovery channel!
     
  7. mmcinnis

    mmcinnis

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    Mark's right, go man go!
     
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  8. KY Longhunter

    KY Longhunter

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    @Krondor sent you a Private Message
     
  9. Coolerman

    Coolerman SILVER Star

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    The lengths we go to for originality... I agree with Mark, this whole process has been just too cool!

    I watched a "How it's Made" episode recently about sheet glass manufacturing. One of the first things mentioned was how proprietary some of the steps were in making glass that was optically clear and fracture resistant. You may have to bribe someone who works at a glass shop to share their secrets!
     
  10. HelloKitty65

    HelloKitty65 SILVER Star

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    Young Krondor,

    For your amusement, here are a couple bloopers from my first attempts at making the early tail light cones. The heat necessary to soften this Kydex was way more than I could handle.
    20181205_090635.jpg 20181205_090914.jpg
     
  11. FJ45VTOZ

    FJ45VTOZ

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    just thought i would add that i recently got a DW35 2 barrel big window carby, from a Toyota Stout and or Crown and it has a Plastic window not glass. It is somewhat stained from years of use but it seems like it will clean up pretty well. I was not aware that plastic windows existed or that they would work. the fuel level line is a groove on dw35.JPG the inside rather than raised on the outside otherwise exactly the same.
     
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  12. Krondor

    Krondor SILVER Star

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    So the project has been on hold for a while. I have been busy with life and the rest of the Land cruiser project. I will hopefully get back to glass slumping after the holidays.

    @HelloKitty65 It is reassuring to see your failed attempts in producing the reproduction tail light cones. For I have failed multiple times so far. But you managed to succeed so it gives me hope.

    @FJ45VTOZ That is interesting that you have a plastic window. I have never heard of that either. I may go back and look into different plastics if the glass continues to not work out.
     
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  13. Cruiser68

    Cruiser68

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    Acetal has a good resistance against petrol and ethanol
     
  14. Krondor

    Krondor SILVER Star

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    Acetal, or Delrin has good resistance but you can not cast it nor does it come in clear to slump.
     
  15. Cruiser68

    Cruiser68

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    sorry , my bad.
     
  16. Cruiser68

    Cruiser68

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    Did you check on Polyphenylsulfone ?
     
  17. 3_puppies

    3_puppies SILVER Star

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    I'll double check my stout carb, almost positive mine is glass and that back plate says Nikkei?
     
  18. FJ45VTOZ

    FJ45VTOZ

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    i think they were the later ones, this one would be 64-67 i think in production at the same time as the fJ40/5 ones
     
  19. Archie 1962 FJ25

    Archie 1962 FJ25 Autocrat

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    Nikki carburetors were offered on Datsun / Nissan.
     
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