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"Nehmo Sergheyev" <nehmo54@hotmail.com> wrote in message
news:1144528935.092959.147110@j33g2000cwa.googlegroups.com...
> Tony Hwang wrote:
>> Hmmm,
>> First real air tight house isn't easy to build. If you pressurize I
>> do not think it has to be air tight. Real problem is how big a turbine?
>
> Nehmo -
> I have not done any of the math regarding how large the pressurizing fan
> should be or what pressure should be achieved. But a rough estimate is
> possible: To simplify the problem, let's say the house has no vents, no
> plumbing fixtures, no gas appliances, and the house is of an almost
> airtight modern construction. I often use a 6.5 amp (120 Volts) shop
> vac and get respectable results. I imagine using an 11 amp fan (I've
> one) as the pressuring means would get reasonable results at the
> pick-up tube.
>
> The next step in something like this is to experiment a bit.
>
> Tony Hwang
>> Air liners do that.
>
> Nehmo -
> Airline cabin pressure can go as low as 75% one atmosphere or
> equivalant to an altitude of 8,000 feet.
> http://www.aerospaceweb.org/question/atmosphere/q0206a.shtml
> The fact is not relevant. I just found it while looking around and I
> thought I would share it:-)
> --
> (||) Nehmo (||)
>
Possible: Maybe
Practical: No way
Effective: Barely
Implemented correctly you get:
Boy in a bubble, Clean room, Positive pressure
Don't forget, if you run this in winter you will throw away at least two
house fulls of heated air you paid for.
Cost effective: not a chance
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Re: Pressure Vacuum Cleaner for Whole House
