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Gas tubine generator

Discussion in 'Home Power and Microgeneration' started by Tim, Mar 25, 2008.

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  1. Tim

    Tim Guest

    Hello all

    This is my first time here and was wondering if anyone here has come
    across anyone who has built a natural gas turbine/ generator for home
    use. A few years ago i came across a guy that did but didnt mark his site.

    He used a home built gas tubine like the kind you use for a model jet
    airplane to run some kind of generator. From what i remember he said it
    paid for itself in 3 years or so. He also was able to get heat for his
    home and hot water as well all from the exhaust gases of the turbine.

    What are the thoughts he guys?


  2. Vaughn Simon

    Vaughn Simon Guest

    And Honda teams with another company to make an ICE version of that idea:

    Be aware that the small model engine turbines that you asked about have short
    TBOs (time between overhauls) and will likely produce far more heat than power.
    Lower technology (such as a clean ICE engine) seems like a better fit for
    home-sized applications. These CHP (Combined Heat & Power) concepts seem to
    make sense only in a climate where the waste heat is usually useful. Us folks
    in south Florida need not apply.

  3. Tim

    Tim Guest

    Ya I know about the TBO but im not looking to power a city or anything
    lol Just wanted to know certain key things like for example how much
    continuos KW is need to run a house of average size with say standard
    100 amp fuse panel and the normal amount of appliances including air

    We live in Canada and the winter can get cold and we need the heat for
    hot water as well so the heat part of it is useful. I have looked at
    capstone and they use a modified turbo charger as their turbine but they
    are built for industrial peak shaving applications, not home use.

    Is it even possible to run a turbine off or standard home gas pressures?
    Any links anyone has would be great. I think that a system the size of
    say a refrigerator would be the perfect system for a hot to replace your
    furnace, hot water heater and hydro supply to your house.

    Thoughts are welcome.

  4. Tim

    Tim Guest


    Great info but maybe you could explain to me how aircraft and larger
    turbines get longer lifes? I am green i am interested to know if this is
    an idea for home use?

  5. Vaughn Simon

    Vaughn Simon Guest

    You seem to be imply greater knowledge than the rest of us, so why don't you
    go ahead and explain? Links to a few competatively priced household-sized
    absorbtion AC units would be nice while you are at it.

  6. Vaughn Simon

    Vaughn Simon Guest

    On the contrary. Here in s. Florida, when the sun is shining is exactly when
    we need AC the most. Solar energy is a perfect fit to air conditioning and heat
    driven AC units are nothing new, but the devil is in the details. As far as I
    know, there is nothing on the market.

  7. No Body

    No Body Guest

    In 1974 (just after the last ice age!) Honeywell had two tractor trailers
    with solar panels, one on top, and one on the side. The trucks were parked
    along an east west axis. The roof top panel extended up, and the side
    panel extended out from the side of the trailer forming a flat collecting

    When I was involved with the project, it was parked in Coral Gables, Florida.

    They had two "loads" for the pannels.. One was an Arkla Servel absorbtion
    chiller, and the other was a turbine with a working fluid of freon (
    eleven if memory serves). The whole turbine assembly was about the
    size of a large coffee can.

    On the output side of the turbine, was a conventional refrigeration
    compressor and a generator. (In fact, it was often WAY too cool, and
    we'd end up wearing sweaters!)

    In full sun, this system would provide all the power and cooling needed
    to run an office/lab and a demonstration area with power to spare.

    In fact, if we took either of the units off line for some reason,
    we had to lower the collectors or the glycol in the panels would
    boil in seconds. There was a "tank full of rocks" that we used for
    heat storage which would cool the facility for several hours after

    I wish Honeywell had commercialized the technology back then.

    Given what we know about materials science and fluid dynamics
    now, I'm sure you could easily power and cool a house with the
    results of a roof full of solar collectors.
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