Date: Thu, 31 Oct 2013 19:12:59 -0700
Reply-To: Karl Wolz <wolzphoto@Q.COM>
Sender: Vanagon Mailing List <vanagon@gerry.vanagon.com>
From: Karl Wolz <wolzphoto@Q.COM>
Subject: Re: Quick and easy auxiliary heat
In-Reply-To: <5272E4F3.4080706@gmail.com>
Content-Type: text/plain; charset=us-ascii
Made by whom?
Karl Wolz
Sent from my electronic umbilicus
> On 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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