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Thread: What to do with 110V AC 330 cycles?

  1. #1
    Silent Key Member 5-25-2015 W1GUH's Avatar
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    What to do with 110V AC 330 cycles?

    The Drake DC-4 has a unique feature. It's got an ac jack for 110v, 330 cycle AC. Never heard of that before -- but it'd be handy for fixing a radio in the field. You could power a light and a soldering iron with it - it's good for 150 watts.

    Anyone know how this came to be?
    If it's a war on drugs, then free the POW's.

  2. #2
    Pope Carlo l NQ6U's Avatar
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    Some Navy surplus gear uses hi-freq 110V AC power, maybe it's for that?
    All the world’s a stage, but obviously the play is unrehearsed and everybody is ad-libbing his lines. Maybe that’s why it’s hard to tell if we’re living in a tragedy or a farce.

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    Silent Key Member 5-25-2015 W1GUH's Avatar
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    Maybe like a Bell APU?
    If it's a war on drugs, then free the POW's.

  4. #4
    Pope Carlo l NQ6U's Avatar
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    Quote Originally Posted by W1GUH View Post
    Maybe like a Bell APU?
    Only the pink ones.
    All the world’s a stage, but obviously the play is unrehearsed and everybody is ad-libbing his lines. Maybe that’s why it’s hard to tell if we’re living in a tragedy or a farce.

  5. #5
    "Island Bartender" KG4CGC's Avatar
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    Light and soldering iron OK. Coffee maker and refrigerator, uh no.
    Guy brings a stereo in the shop to listen to while he fixes stuff. Guy plugs in a coffee maker and the fridge into the AC sockets on the back and almost immediately burned up the rectifier bridge from the overload. This was the maintenance guy. You might be redneck. Your mileage may vary by dosage.

  6. #6
    Silent Key Member 5-25-2015 W1GUH's Avatar
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    The outlets on the back of a stereo go through the PS? That's a new one on me.

    Me? I plan on plugging a linyar into that socket. Think it'll support an SB-200?
    If it's a war on drugs, then free the POW's.

  7. #7
    'Grumpy old bastid' kb2vxa's Avatar
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    "Maybe like a Bell APU?"

    APUs put out 400Hz power, trouble is there's no such thing as a Bell APU... just another Baron Von Cowthief tale. (;->)
    "The universe is under no obligation to make sense to you."
    Neil deGrasse Tyson

    73 de Warren KB2VXA
    Station powered by atomic energy, operator powered by natural gas.

  8. #8
    Silent Key Member 5-25-2015 W1GUH's Avatar
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    Got my answer - it's for an R-4 if you're using the DC supply. Hmmmm....A C-line in the car? Uh-oh...could get expensive!
    If it's a war on drugs, then free the POW's.

  9. #9
    "Island Bartender" KG4CGC's Avatar
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    Quote Originally Posted by W1GUH View Post
    The outlets on the back of a stereo go through the PS? That's a new one on me.

    Me? I plan on plugging a linyar into that socket. Think it'll support an SB-200?
    I only know about the results. I replaced the diodes and used it for another 10 years.
    Lafayette LR-810. Lots of nostalgia in that one.

  10. #10
    Silent Key Member 5-25-2015 W1GUH's Avatar
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    Just traced the DC-3 and DC-4 schematics and it looks like the DC-4 can be plugged into a TR-3 directly with no mods. As a sanity check, did I get that right? I'd hate to wind up with B+ on the filaments!

    This puts me very close to running AM mobile -- a holy grail I've been pursuing for years.
    If it's a war on drugs, then free the POW's.

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