This product amuses me...

Discussion in 'Community Discussion' started by tjb1, Jan 6, 2011.

  1. tjb1 macrumors 68000

    Joined:
    Aug 26, 2010
    Location:
    Pennsylvania, USA
    #1
    http://www.northerntool.com/shop/tools/product_200433447_200433447&issearch=713200

    The Fuel Doctor FD-47 increases a vehicle's miles per gallon (MPG) through power conditioning of the vehicle's electronic control unit (ECU), fuel injection and engine timing equipment to operate more efficiently. When the vehicle's engine runs more efficiently, it will require less fuel, produce more power and have reduced exhaust emissions (reduced CO2). As a vehicle matures, its power systems tend to generate and experience more electrical noise or electrical interference. This noise can have many detrimental effects on vehicle systems, decreasing efficiency. The FD-47 is easy to install — simply plug it into the 12V power port and the power conditioning qualities of the FD-47 help to reduce and remove noise, restoring vehicle efficiency. FD-47 cannot be used on hybrids or electrical vehicles.

    What retards are they selling this to?
     
  2. ucfgrad93 macrumors P6

    ucfgrad93

    Joined:
    Aug 17, 2007
    Location:
    Colorado
    #2
    Sadly, there will be many people who buy this.
     
  3. tjb1 thread starter macrumors 68000

    Joined:
    Aug 26, 2010
    Location:
    Pennsylvania, USA
    #3
    Another product I like ever more...a Chainsaw Winch

    http://www.northerntool.com/shop/tools/product_200326346_200326346

    For use with chain saws to pull up to 4000 lbs. on a single line pull. Comes with aircraft cable and all the adapters to fit almost any chain saw engine, including the direct connections as well as the short bar and cutterless chain. Attaches as easily as changing a chain saw bar. A 3 HP engine will create about 2000 lbs. of pulling power; a 6–7 HP engine generates up to 4000 lbs. of pulling power.

    If you look at the picture, I see no way to hook the chainsaw to anything to even pull 2000 lbs let alone 4000 lbs...
     
  4. SkyBell macrumors 604

    SkyBell

    Joined:
    Sep 7, 2006
    Location:
    Texas, unfortunately.
    #4
    For $900...just buy a real winch.
     
  5. R94N macrumors 68020

    R94N

    Joined:
    May 30, 2010
    Location:
    UK
    #5
    I heard about this on Car Talk. LOL! Maybe it's for people who don't know much about cars and who they can trick...
     
  6. notjustjay macrumors 603

    notjustjay

    Joined:
    Sep 19, 2003
    Location:
    Canada, eh?
    #7
    I'd be very curious to see what exactly the electronics are inside. Maybe a 7812 voltage regulator and a couple of LEDs?
     
  7. oPossum macrumors newbie

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    Mar 28, 2008
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    Michigan, USA
  8. dXTC, Jan 12, 2011
    Last edited: Jan 12, 2011

    dXTC macrumors 68020

    dXTC

    Joined:
    Oct 30, 2006
    Location:
    Up, up in my studio, studio
    #9
  9. FourCandles macrumors 6502a

    Joined:
    Feb 10, 2009
    Location:
    England
    #10
    I'm not much of electrical engineer... but the "Detailed circuit description" section says it all - the key phrase being "non-functional" ;)
     
  10. dXTC, Jan 12, 2011
    Last edited: Jan 12, 2011

    dXTC macrumors 68020

    dXTC

    Joined:
    Oct 30, 2006
    Location:
    Up, up in my studio, studio
    #11
    Right; I figured as much, and I'm not really an electrical engineer. What I would like to know is the difference an inductor would make in the place of the capacitor, and (more importantly) whether this would still be feasible for making the product do what the manufacturer says it does if it were designed correctly.
     
  11. FourCandles macrumors 6502a

    Joined:
    Feb 10, 2009
    Location:
    England
    #12
    With the previous disclaimer - that I'm not much of an engineer - my understanding of a voltage switching regulator is that it is a circuit designed to provide a constant output voltage to a device, even when supplied with a changing or variable input voltage.

    This could be useful if the input is a steadily reducing voltage from a battery, or possibly in a single AC adaptor designed to cope with 110V - 240V and still supply, say, 9.6V DC. Such as in a mobile phone adaptor; which it seems this device may be made from.

    But in any case, as the report says, "Even if the regulator circuit was functional, the output goes nowhere! " - i.e. that circuit is not even connected to anything.

    Someone with actual electrical engineering experience may want to chip in here!
     
  12. obeygiant macrumors 68040

    obeygiant

    Joined:
    Jan 14, 2002
    Location:
    totally cool
    #13
    "to the winch, wench!"- never-ending story. :)
     
  13. NickZac macrumors 68000

    NickZac

    Joined:
    Dec 11, 2010
    #14
    It looks more like a sex toy than a car part...
     

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