Keyhole OLT D2 modification and what it is worth?

Discussion in 'Duck & Goose Calling Forum' started by SO IL fowler, Jan 2, 2012.

  1. DJ Calls

    DJ Calls Senior Refuge Member

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    The Olt calls were never Bakelite, they were all hard rubber! Both the shell and the tonal plugs were hardrubber untill 1956. After that year the shells were an ABS plastic and the tonal plugs were always hardrubber as long as it had the Reg.Mark 348205. In 1956 the new style D-2 was born and both the shell and the tonal plug was injected ABS plastic.
    David
    DJ Calls
     
  2. DKOS

    DKOS Elite Refuge Member

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    yes!!!
     
  3. klittle250

    klittle250 Senior Refuge Member

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    It looks like the insert on the call on the left is also hard rubber, just the plastic barrel as David explained.
     
  4. BUCKSHOT#4

    BUCKSHOT#4 Elite Refuge Member

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    Thanks for answering that previous question I had and the info, David....... :tu
     
  5. Icelander513

    Icelander513 Elite Refuge Member

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    I concur.
     
  6. Ryan Graves

    Ryan Graves Elite Refuge Member

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    I thought Bakelite was another name or form of hard rubber. I need to study up!
     
  7. DJ Calls

    DJ Calls Senior Refuge Member

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    Bakelite if im not mistaken came about in 1912 and it had a fiber mixed into the compound. It was mostly used for electricty and electronics a good insulator.
    Hardrubber has a lot of carbon in the mixture thats what makes it so hard, but also so brittle, as most of us know you drop it and it will break right under the cork!!
     
  8. DJ Calls

    DJ Calls Senior Refuge Member

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    All the calls are Old-Style D-2's. The one on the left has a plastic shell and the other two has hardrubber shells. If the trade mark 348205 is on anypart of the call it is made out of hardrubber. The trade mark was put on the calls in 1940.
     
  9. DJ Calls

    DJ Calls Senior Refuge Member

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    As you can see on the 3 calls pictured the one on the right is a brown color, The reason for that is sunlight will make it turn color along with dish soap will make it turn color also. Also leaving it in the sunlight it will form a salt substance on the hardrubber part.
     
  10. Ryan Graves

    Ryan Graves Elite Refuge Member

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    Thanks Dave for the info.
     

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