

| Subject: | Re: Quick and easy auxiliary heat |
| From: | Don Hanson |
| Date: | Thu, 31 Oct 2013 17:27:55 -0700 |
Nothing sleeps as warm as a down bag.... On Thu, Oct 31, 2013 at 4:17 PM, JRodgers <jrodgers113@gmail.com> wrote: > From my days in Alaska I've still got an Alaska goose down sleeping > robe. Jack Frost - bring it on!!! > > John > > > On 10/31/2013 5:51 PM, Al Knoll wrote: > >> New dog? or two? >> >> Woolies? >> >> A legendary organic squirrel coat? >> >> Pensionerd. >> >> On Thu, Oct 24, 2013 at 6:49 PM, tom ring <taring@taring.org> wrote: >> >>> I am going to do a one night camp at Surly Darkness tomorrow night and >>> have >>> been experimenting with ways to add some extra heat independent of my >>> propane >>> catalytic unit. >>> >>> I am doing a couple of things, both are quite simple. >>> >>> First, preheat the interior as much as possible. I am using a 1200 watt >>> electric heater running at 500 watts (low). My current outside >>> temperature is >>> 39F, and my van has been at 75F for over 24 hours. There is a lot of >>> heat >>> stored in the interior, especially the 150 lbs of the battery bank. >>> >>> Second, to heat things up quickly (when the interior was at 37F >>> yesterday), I >>> bought 2 4.5 gallon water containers from Fleet Farm. They actually >>> hold 5.5 >>> gallons or 46 lbs of water. My hot water temperature at home is 148F. >>> If you >>> do some simple math where 1 lb of water heated 1 degree F, or cooled, is >>> 1 BTU. >>> I am assuming the low temperature cutoff is 80F. So (148-80) * 46 is >>> 3128 >>> BTUs. I have 2 of those containers. That is more than 2 hours of my >>> propane >>> 3000 BTU heater. I am using those during the preheat stage and will >>> refill >>> them for the camping stage. >>> >>> I also plan to fill the tank in the van with the same temperature water >>> and >>> leave the top cover open. I think that's another 11 gallons, so would >>> add >>> 2*3128 or 6256 BTUs. Between that, the van 24 hour preheat, my body >>> heat, >>> waste heat from the fridge, and the heater, I expect I will be very snug >>> tomorrow night at Darkness Day Eve. Overnight temperatures are expected >>> to be >>> around freezing depending on cloud cover. >>> >>> I hope someone else from the list will be there. We see people from all >>> over >>> the continent. Good beer, good people. >>> >>> tom >>> >>> >>> ------------------------------**----------- >>> Tom Ring K0TAR EN34hx >>> >>> Never attribute to engineers that into which politicians, lawyers, >>> accountants, and marketeers have poked their fingers. >>> ------------------------------**----------- >>> >> >>
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