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Thanksgiving What Is It?

Discussion in 'Question of the Day' started by derekleffew, Nov 25, 2014.

  1. derekleffew

    derekleffew Resident Curmudgeon Senior Team Premium Member

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    Has nothing to do with Turkey Day, actually. Anyone older than thirty is prohibited from answering until the correct answer has been submitted.

    IMG_0497.JPG
    IMG_0498.JPG

    (Probably) un-helpful hint: There's at least one good picture here on CB that shows the item in context.
     
  2. llburg

    llburg Member

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    Looks kinda like a handle for one of the axis on a manual milling machine or lathe.
     
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  3. Amiers

    Amiers Well-Known Member

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    Or a table saw handle for the angle.
     
  4. gafftapegreenia

    gafftapegreenia CBMod CB Mods

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    Probably for adjusting the carbon rods on something, but I don't know what.


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  5. derekleffew

    derekleffew Resident Curmudgeon Senior Team Premium Member

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    How many things in the theatrical realm can you think of that use carbon rods?
     
  6. gafftapegreenia

    gafftapegreenia CBMod CB Mods

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    Follow spots and film projectors.


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  7. Amiers

    Amiers Well-Known Member

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    By not answering us does that mean that we are still wrong?
     
  8. n1ist

    n1ist Active Member Premium Member

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    Carbon-zinc batteries, though they aren't adjustable...
     
  9. sk8rsdad

    sk8rsdad Well-Known Member Fight Leukemia

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    Pencils, though they can only be shortened...
     
  10. JD

    JD Well-Known Member

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    Ah yes, the crank handle off a Strong Trouper! (Not Super Trouper) AC Carbon Arc spot which was the baby sibling of the Super. Unfortunately, I have seriously violated the age rule! :(
     
  11. derekleffew

    derekleffew Resident Curmudgeon Senior Team Premium Member

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  12. gafftapegreenia

    gafftapegreenia CBMod CB Mods

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    Of course its off a Trouper.
     
    Last edited: Dec 12, 2014
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  13. JD

    JD Well-Known Member

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    Bonus point (easy one) if someone (other than Derek and also under 30) describes what the little adjustment ring on the shaft of the crank did -
     
  14. SteveB

    SteveB Well-Known Member

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    Only the Trouper had the manual feed handle.

    The Supers had automated feeds and used a large knob to adjust carbon gap and the inner knurled knob for carbon position.
     
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  15. JonCarter

    JonCarter Member

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    As I remember, the crank moved the carbons toward or away from each other (changed arc length) and the knob was to place the arc at the focus of the reflector, i.e., move the entire arc toward or away from the reflector. Btw, the two knobs tilted the reflector on its horizontal and vertical axes to put the other focus of the reflector on the axis of the instrument.
     
  16. JD

    JD Well-Known Member

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    Bingo to SteveB and JonCarter! It set the arc focus/depth in the reflector!
    The feed on the regular trouper was also automatic (Clock type motor) but the trouper did not have the "pull-to-strike" on the positive carbon holder, so you had to crank them in to strike and then back them off to set gap.

    Ah yes! The wonderful days when running spot felt more like you were operating a locomotive!
     
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  17. JonCarter

    JonCarter Member

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    After the knobs on the H&C 150 amp arcs we thought we'd died & gone to heaven when we got the Troupers.
     
  18. TheTheaterGeek

    TheTheaterGeek EOS Addict Premium Member Fight Leukemia

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    [​IMG]

    Off of one of our 2. We still use them.


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