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Would this work?

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  • Would this work?

    i've been trying to come up with an idea for a fanless range hood vent.

    i made this drawing and would like some feed back.

    the distance from the hood to the vent termination would only be about 3 feet maximun.

    Vince
    Attached Files

  • #2
    Re: Would this work?

    You would not want the vent pipe to come into the stack (wind pipe) at a 90 degree angle. Lower the angle to get a venturi effect going which will help draw out through the vent and help prevent wind from blowing down your vent as well.

    Okie

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    • #3
      Re: Would this work?

      If I was going to try that I would leave the top pipe full size and then run the smaller up into it and a elbow and face it down wind, it should create a venture effect and suck on the smaller pipe.

      but I would think with the heat differential you have just a 3 or 4 inch pipe going up and out side would draw like chimney would, put a damper on it so one can shut it off when not using it,
      Push sticks/blocks Save Fingers
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      • #4
        Re: Would this work?

        umm this is a vent for a range hood? you do know that these hoods have a powerd fan yes? and that by code you have to have a flapper on the hood vent to prevent any downdrafts and to keep the birds and squirls out right?

        take a peek at something like this: http://images.google.com/imgres?imgu...a%3DN%26um%3D1

        no need to over complicate this its prety streight forward let the powerd fan do all the pushing or id you like use a gravity vent:

        http://www.indiamart.com/airierindia...ntilators.html

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        • #5
          Re: Would this work?

          i've seen those wind turbines before. but those things don't last very long up here because of the wind.

          this would be for a cabin where the amount of power will be limited. off the grid as it were.

          i came up with the idea when i was cleaning a carburator for my ATV. but i'm thinking that i may have to modify the design a little.

          Vince

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          • #6
            Re: Would this work?

            Next the customer will complain about water noises from p-trap.

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            • #7
              Re: Would this work?

              Vince make it work like a wind vane so it is always pointed into the wind. Let the Horz. piece rotate and put a tail on the downstream side so it will keep it turned into the wind.
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              • #8
                Re: Would this work?

                LOL people will think hes got a Howitzer on the roof pointing at them LOL.

                Seriously if its a low power sitch then go with the gravity vent it'll catch the wind in whatever direction its blowing and you can get a good one these days you just have to look. OR (shhhhhh secrets being spilled) look up a resteraunt hood manufacturor and see if you can get a grav vent from them, All SS and shiney and made to last forever or untill the insurence fire

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