AUSTRALIA'S ORIGINAL AND BEST CAMP OVEN AND OUTDOOR COOKING CAMPING AND LIFESTYLE FORUM

Jan 9^th, 2008 at 9:12pm

Crazy Dog Offline
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Hi troops,

Thought I'd ask you all regarding the heat beads on TOP of the oven.

I have a chimney to start the beads and all goes ok..

I put whatever in the oven and cook also ok BUT after I notice that the HEATBEADS on the top have not turned to ash like the bottom ones.

In fact I have been able to re-use the top ones by restarting them again which brings me to the question "why don't they fully burn out"

Confused?? Me too!!! (They are genuine heatbeads brand as well....)

Grrr!!! Huh

I love small, furry, defenseless little animals - especially in gravy!!!

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Reply #1 - Jan 9^th, 2008 at 9:34pm

Derek Offline
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I have never had that problem. In fact in the photo below these beads have been going for over an hour. Mine usually keep going until nothing is left. The only thing I can think of is that you may not be leaving them in the chimney long enough.

Derek

Retired
Camp Oven Cook

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Reply #2 - Jan 9^th, 2008 at 9:38pm

Little_Kopit Offline
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Quote:

which brings me to the question "why don't they fully burn out"

Exposure to cooler air and to wind. This is why the discussion on setting up something

Here's one homemade sollution, not mine.

& a double sollution, Camp Oven Mate and protective brick wall:

I think Murray showed us another one this week. & Mikel has posted another lidded option not long ago too.

Cool

My Photo Album, featuring Labrador 2006

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Reply #3 - Jan 9^th, 2008 at 11:16pm

Crazy Dog Offline
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Here is my set up - The bottom ones burn out so why not the top ones???

I love small, furry, defenseless little animals - especially in gravy!!!

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Reply #4 - Jan 9^th, 2008 at 11:19pm

Crazy Dog Offline
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Whoops - here be the pic...

Image00001.JPG (62 KB | )

I love small, furry, defenseless little animals - especially in gravy!!!

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Reply #5 - Jan 10^th, 2008 at 6:18am

Cactus Offline
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CD
I am a novice at this to, Derek's suggestion could be on the mark, the other thing do you cook with the top on? The beads may not be getting enough air( circulation) try it with the top off. I don't have any problems with the top beads burning away.
Muzz

Have Camp Oven will travel

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Reply #6 - Jan 10^th, 2008 at 6:59am

mikel Offline
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CD.
A little bit of lateral thinking could be the go here.
You have made a very nice lidded enclosure with what (to me) looks like an air regulator at the bottom.
Now with the heat beads being the fuel, oxygen is required to keep them burning, which is coming in at the bottom so all OK there.
However, because the enclosure would be fairly airtight with the lid on, the heatbeads on the bottom would have consumed all the oxygen (well, pretty much all of it) leaving only CO2 for the ones on top to struggle with.
Hence the self extinguished heat beads.
A soluton may well be a series of small holes around the shell at about the level of the C/O top.
The unit I made from an old washing machine spinner is perforated all round, so have never had a problem with heat beads on top of the oven going out.
I feel that all that is required with an enclosure is to keep a direct breeze off the oven, the perforated metal (in my case) being adequate to reflect heat back onto the oven sides.
Hope this makes some sense.
mikel

life is a bed of gidgee coals and a camp oven

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Reply #7 - Jan 10^th, 2008 at 7:08am

poddy dodger Offline
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Crazy-Dog, Just read mikel's response which sounds like the answer. Before you drill any holes just see if leaving them in the starter chimney a bit longer works.
BTW I like your cooker, very Mickey Mouse, is it a bought one or something you made yourself ? If you made it how did you form the domed top ?
pd

When I die I hope my missus doesn't sell my camp ovens for what I told her I paid for them. pd

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Reply #8 - Jan 10^th, 2008 at 5:30pm

Crazy Dog Offline
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Thanx for the input troops.

The cooker is an old 9kg gas bottle with the top cut off with a cutoff wheel in an angle grinder.

The top has a funnel that DRAWS the air up from the bottom (there are a buncha holes in the base greater in area than the funnel area) and out the top just like a chimney.

This arvo I did another apple pie but left the top right of until the pie was done . I will see shortly if the beads burn right out or not coz they are sitting on a tin tray now next to the oven...

I shall report....

Grrr!!!

I love small, furry, defenseless little animals - especially in gravy!!!

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Reply #9 - Jan 10^th, 2008 at 5:40pm

Crazy Dog Offline
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Forgot the pic...

Desktop_00001.JPG (68 KB | )

I love small, furry, defenseless little animals - especially in gravy!!!

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