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Thread: Poor man's STi.

  1. #1

    Default Poor man's STi.

    I'll be getting an STi as soon as my wallet allows, but in the meantime I had a brainwave.

    I am going to buy one of those DC-AC inverters that are used to charge up a laptop or other AC powered stuff from the lighter socket. I will install my PNI Silver Bullet inside it. I will use the 12V power cord on the inverter to power the detector. (in parallel with the inverter electronics)

    If I can I will make it so that the inverter still works, if I can fit both the detector and the inverter electronics inside the case. I will have to find an inverter with a plastic case so it won't block the radar signal. I think laser detection is out of the question in this case.

    I'd like to make it so that the detector will not power up unless I do something "hidden" like press a tiny button. Or perhaps I will make it so the radar only powers up if I have a magnet on top of the case. (Using a magnetic reed switch for a home alarm system to complete the circuit.)

    If (when) I get pulled over by Officer Bacon, there will be no detector in sight no matter how hard he looks. If he gets suspicious of the inverter and takes it back to his car to test, it won't power up for him.

    I'll take pictures of the construction when I get around to building it.

    Let me know what your opinion is, and if you have any ideas for improving this concept.

    I call it the poor mans STi.

  2. #2
    Radar Fanatic
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    Default

    Sounds pretty good to me. Problem is, how do you explain a big inverter sitting on your dash? It won't work if you put it on the floor where an inverter normally belongs.

  3. #3

    Default

    One sweep of the hand should dump it on the floor. Hopefully I should have time to do that once I see the blinky lights on the pigmobile.

  4. #4
    Power User
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    May be big, but has my vote for "coolness". Make sure it has alot of heat sinks, and big ones too!


  5. #5
    Radar Fanatic
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    One other thing I thought of: beware that AC inverters are "noisy" from an electronic perspective and may cause interference if run simultaneously with the radar detector. Consider shielding or, better, find a way to switch the A/C inverter off when the RD powers on.

  6. #6
    Old Timer
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    I like that idea. Especially the reed switch idea. Put it on your dash with a little magnet over the switch. When you see Officer Spectre, swat the thing onto the floor, which also knocks the magnet off and shuts off the RD, and when he searches the car, hmmm, no RD, it must have been another car that set it off.

    And if he wants to inspect the inverter, well hey, it's just an inverter.

    As for Brick's concern about interference, you could have the reed switch trigger a SPDT relay that cuts the power to the inverter and powers up the RD. Remove the magnet, and the RD goes off and the inverter goes on.

    Another idea that would allow you to keep the thing on your dash: instead of retrofitting an inverter, use a scanner (if legal) or a CB, or a GPS or satellite radio receiver.
    If I'm passing you on the right, YOU are in the wrong lane!

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  7. #7
    Yoda of Radar
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    make sure you post some pics when you get er done....

  8. #8
    Good Citizen
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    Default

    Like kpatz said, why not disguise it as a satellite radio receiver like this since it already looks like a detector:


    If the detector fits inside the case, all you would need is a satellite radio antenna on the roof with the wire running to the detector and the instruction manual to show that it is a Sirius receiver. Maybe you could just get a Sirius or XM label and put it on top of your detector and make up a fake manual showing your detector as the "newest" model receiver.

  9. #9
    Yoda of Radar
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    Quote Originally Posted by eviltwin67
    Like kpatz said, why not disguise it as a satellite radio receiver like this since it already looks like a detector:

    Maybe you could just get a Sirius or XM label and put it on top of your detector and make up a fake manual showing your detector as the "newest" model receiver.
    I'm going to make up a manual using the STI 8)

  10. #10

    Default

    What Does STi Stand for?


 

 

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