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Date:         Mon, 8 Nov 2010 15:54:47 -0600
Reply-To:     Michael Sullivan <sandwichhead@GMAIL.COM>
Sender:       Vanagon Mailing List <>
From:         Michael Sullivan <sandwichhead@GMAIL.COM>
Subject:      Re: Actual burn times with Mr Buddy MH9B (Little Buddy)
Comments: To: Alistair Bell <>
In-Reply-To:  <>
Content-Type: text/plain; charset=ISO-8859-1

OK...First of all, Alistair needs to get another hobby....maybe it's pork season?? Anyway, I would not use my figure bcuz I did not get to the van that night until 5:30am for a 4 hour nap. We also spent alot of time(6 people) just chilling in the van and talking so had the heater running then, also. I guess I need to do another experiment. BTW-Got my Heater Buddy last year for 40.00 at Lowe's due to a listmember posting a one-day special. Michael in San Antonio 91GL Weekender AT 2.1L 'Gringo'

On Mon, Nov 8, 2010 at 3:39 PM, Alistair Bell <> 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. >

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