Date: Mon, 25 Feb 2008 17:02:35 -0500
Reply-To: Dennis Haynes <d23haynes57@HOTMAIL.COM>
Sender: Vanagon Mailing List <vanagon@gerry.vanagon.com>
From: Dennis Haynes <d23haynes57@HOTMAIL.COM>
Subject: Re: simple heat for stove top, e-bay
In-Reply-To: <47C2F618.7000002@gmail.com>
Content-Type: text/plain; format=flowed
The biggest advantage of the stove top heater is that it directs the heat
forward and keeps the stove cover from getting hot. It effectivley keeps
the heat from rising straight up. Facing slightly forward on the front
burner warm the pop top space quit nicley.
Dennis
>From: Michael Elliott <camping.elliott@GMAIL.COM>
>Reply-To: Michael Elliott <camping.elliott@GMAIL.COM>
>To: vanagon@GERRY.VANAGON.COM
>Subject: Re: simple heat for stove top, e-bay
>Date: Mon, 25 Feb 2008 09:08:40 -0800
>
>Lemme see if I have the quoting (below) figured out, apologies if I've get
>it wrong: Mike is getting a stovetop heater (E-bay item # 280201712547)
>and will report on how well it works. Rob sez that an upended clay flower
>pot over the burner works well, too. Dennis has a heater like (or the same
>as) the eBay heater and reports that it does work well.
>
><Thinks out loud> As I understand it, the amount of heat that the burner
>puts out is unchanged whether we plop a flower pot over it, use a more
>complex gadget like the eBay heater, or just leave the burner alone. The
>difference is that the heat from the naked burner is mainly in the form of
>heated gases, which rise to the ceiling where they aren't very useful,
>whereas the flower pot and eBay heater convert a portion of that heat to
>radiant heat -- infrared radiation, like what we feel when we stand close
>to a fire and (and not in the hot smoky gases). The flower pot radiates
>heat in an omnidirectional pattern, with the lower half reflected off the
>stovetop, and any surfaces that can "see" it will either warm up, heating
>more air, or reflect the IR if they are "shiny" like the stovetop. That
>eBay heater has a screen cone which also radiates IR in a spherical
>pattern and the reflector behind the cone redirects about half of what
>isn't shining on the stovetop in one direction, so if we aim it so it
>"shines" on us, then we get the full benefit.
>
>I like it! 5000 btu ain't too pitiful -- the little cat heater in Mellow
>Yellow puts out 2800 btu max and it's not super comfortable in the van
>when it's in the low 40's (F) to 30's and the sun ain't shining.
>
>1 gallon of propane is good for about 96,000 btu so at 5,000 btu per hour
>one gallon should last 19 hours-ish.
>
>Moisture buildup will be a problem. CO shouldn't be a problem as long as
>the stove's flame is that pretty blue which indicates proper combustion.*
>
>O consumption and CO2 emission should be considered -- Alistair Bell hoped
>to be able to provide some numbers comparing a human companion to a heater
>in terms of O depletion and CO2/H2O emission, but I understand that he has
>some cool new job that's taking up his time.
>
>======
>* That's my understanding, chemists or anyone who knows more about this
>might want to post a correction if I am in error.
>
>--
>Mike "Rocket J Squirrel" Elliott
>71 Type 2: the Wonderbus
>84 Westfalia: Mellow Yellow ("The Electrical Banana")
>74 Utility Trailer. Ladybug Trailer, Inc., San Juan Capistrano
>KG6RCR
>
>
>
>On 2/24/2008 4:26 PM Dennis Haynes wrote:
>
>>I have had one of these for so long I don't remember when I got it. It
>>works very well. 5,000 btu's of on demand heat. I do not believe the
>>screen is any type of catalyst but the top of it will glow red. The only
>>down side is interior condensation and the possible fire hazard. It does
>>deflect the heat forward enough so it does not overheat the stove cover.
>>If you want to use it long term definitely consider a CO detector. Two
>>would really warm the van nicely.
>>
>>Dennis
>>
>>-----Original Message-----
>>From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf Of
>>Mike
>>Sent: Sunday, February 24, 2008 2:56 PM
>>To: vanagon@GERRY.VANAGON.COM
>>Subject: Re: simple heat for stove top, e-bay
>>
>>I bid and won this item on ebay. When I get it, I'll let you know if it
>>works well and is worth having/ using, and if it seems to be safe for
>>continued use.
>>
>>Mike B.
>>
>>----- Original Message -----
>>From: "neil N" <musomuso@GMAIL.COM>
>>To: <vanagon@GERRY.VANAGON.COM>
>>Sent: Sunday, February 24, 2008 1:08 PM
>>Subject: Re: simple heat for stove top, e-bay
>>
>>
>>>For sure. Either that or a rock.
>>>
>>>Or maybe a rock straight from the fire. (can you imagine the tongs? ---
>>>;^)
>>>
>>>Neil.
>>>
>>>On Sat, Feb 23, 2008 at 5:12 PM, Rob <becida@comcast.net> wrote:
>>>>At 2/23/2008 04:01 PM, rpc wrote:
>>>> >I haven't seen this before. Simple and cheap.
>>>> >
>>>> > E-bay item # 280201712547
>>>> > I'd like to see if the flame remains on the stove burner or
>>>> > migrates up onto the cone like a cat heater.
>>>> >
>>>> > I wouldn't leave it on all night. It's going to be -9 tonight.
>>>> > Global warming ain't what it used to be...
>>>> >
>>>> > Chris C
>>>> > 90MV
>>>>
>>>> Simple and cheap is a clay garden pot set on the burner (with the
>>>> pointy end up). The clay pot gets hot and gives off heat.
>>>> Not for the person who doesn't have common sense but a lot better than
>>>>nothing.
>>>>
>>>>
>>>>
>>>> Rob
>>>> becida@comcast.net
>>>>
>>>
>>>
>>>--
>>>Neil Nicholson. 1981 Air Cooled Westfalia - "Jaco"
>>>
>>>http://web.mac.com/tubaneil
>>>http://tubaneil.googlepages.com/
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