

| Subject: | Re: Actual burn times with Mr Buddy MH9B (Little Buddy) |
| From: | Michael Sullivan |
| Date: | Mon, 8 Nov 2010 16:34:57 -0600 |
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. >> > > >
Have something to add on this topic today? Revive this thread in the forum »