Date: Mon, 8 Nov 2010 16:34:57 -0600
Reply-To: Michael Sullivan <sandwichhead@GMAIL.COM>
Sender: Vanagon Mailing List <vanagon@gerry.vanagon.com>
From: Michael Sullivan <sandwichhead@GMAIL.COM>
Subject: Re: Actual burn times with Mr Buddy MH9B (Little Buddy)
In-Reply-To: <1E4B3CD4-08D7-473E-ADFF-E97E6B7D9D19@shaw.ca>
Content-Type: text/plain; charset=ISO-8859-1
BTW-I cannot promise not to be SNARKY-Is that an acronym for something that
only the old dudes on the list are privvy to? Or can a noob get in on that,
too? ;)
Michael in San Antonio
91GL Weekender AT 2.1L 'Gringo'
On Mon, Nov 8, 2010 at 4:00 PM, Alistair Bell <albell@shaw.ca> wrote:
> yeah, just what I love about the list, a snarky response to (what I thought
> was) an interesting post.
>
> :)
>
> Michael, you'll love this, I have the data on how much water vapour a
> sleeping 160lb guy breathes out when asleep in - 5 C van.
>
> but I'm not going to tell you unless you promise not to make another snide
> comment.
>
> :)
>
> alistair
>
>
>
> On 8-Nov-10, at 1:54 PM, Michael Sullivan wrote:
>
> 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 <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.
>>
>
>
>
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