The point is Miguel that Alistair was being helpful by letting me know how much moisture a non-vented heater would put into my van up here in B.C. as he knew where I lived. That was helpful information. I'm still trying to find ANYTHING helpful at all in YOUR comment.
Courtney

----- Original Message -----
From: miguel pacheco <mundopacheco@GMAIL.COM>
Date: Tuesday, November 9, 2010 3:00 am
Subject: Re: Actual burn times with Mr Buddy MH9B (Little Buddy)
To: vanagon@GERRY.VANAGON.COM

> So what's the point? Is this something new you just learned in night
> classes and want to show off? Seriously, Sullivan is in San Antonio,
> Tx. so why don't you figure out how many cups of water vapor his
> vanagon contains at 80% humidity.......
> Miguel
>
> I have not failed. I've just found 10,000 ways that won't work.
>   - Thomas A. Edison
>
>
>
> On Mon, Nov 8, 2010 at 2:39 PM, Alistair Bell
> <albell@shaw.ca> wrote:
> > aha! its an opportunity, not to answer question, but to work
> out just
> > how much water vapour is produced by burning the 1 lb bottle
> of propane.
> >
> > lets make assumption that no CO is produced, ie the heater is
> working> perfectly, and that there are 16 oz to the lb, or 454 g.
> >
> > combustion equation:
> >
> > C3H8 + 5O2 ----->  3 CO2  + 4H2O
> >
> > so we see for every mole of propane burned, we get 4 moles of water.
> >
> > molecular weight of propane = 44 g/mol
> >
> > moles per 1 lb bottle = 454/44 = 10.3 moles
> >
> > therefore burning the entire bottle would produce 4(10.3) = 41.2
> > moles of water
> >
> > molecular weight of water = 18 g/mole
> >
> > therefore 18(41.2) = 741.6 g of water produced.
> >
> > almost 3 cups of water into the van in 6 hrs.
> >
> >
> > alistair
> >
> >
> >
> >
> > On 8-Nov-10, at 12:16 PM, Courtney Hook wrote:
> >
> > Just hauled out my little Buddy Heater and it claims 6hrs on
> low with
> > a 1 LB cylinder. Has anyone actually ever timed one to see how
> > realistic that is? I'm doing it right now, but with a re-
> filled 1 LB
> > cylinder which never seems to refill completely. I'll see what
> I get.
> > Courtney
> >
> > ++++++++++++++++++++++++++++++++++++++++++++++++++
> > Always be yourself, because the people that matter don't mind,
> > and the ones who mind, don't matter.
> >
>