[Stoves] Dimensions for Pocket Rocket with 55Gal Drum

[Niels Corfield]

Dean,

Just quickly to check, the design I have specifies 4" and 6" tubes for 
the 5gal drum. Is this what is referred to as "constant cross-sectional 
area"?

Regards,
niels

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Dean Still wrote:
> Dear Kevin,
>
> Maintaining constant cross sectional area results in good heat transfer
> while maintaining draft through the stove. It's a good place to start the
> design...going smaller results in lower fuel use but often higher emissions.
> We'll be posting the 55 gallon design to the List.
>
> Best,
>
> Dean
>
>
> -----Original Message-----
> From: stoves-bounces at listserv.repp.org
> [mailto:stoves-bounces at listserv.repp.org] On Behalf Of Kevin Chisholm
> Sent: Friday, December 29, 2006 4:43 AM
> To: Discussion of biomass cooking stoves
> Subject: Re: [Stoves] Dimensions for Pocket Rocket with 55Gal Drum
>
> Dear Dean
> ----- Original Message ----- 
> From: "Dean Still" <dstill at epud.net>
> To: "'Discussion of biomass cooking stoves'" <stoves at listserv.repp.org>
> Sent: Friday, December 29, 2006 8:37 AM
> Subject: Re: [Stoves] Dimensions for Pocket Rocket with 55Gal Drum
>
>
>   
>> Dear Niels,
>>
>> Keep constant cross sectional area throughout the stove.
>>     
>
> What is the reasoning behind your recommendation for constant cross-section?
>
> We are sending a
>   
>> description of a large 55 gallon drum stove soon which will show the idea.
>>     
>
> Will you be sending this to the List, or just to Niels?
>
> Thanks.
>
> Kevin
>   
>> Best,
>>
>> Dean
>>
>> -----Original Message-----
>> From: stoves-bounces at listserv.repp.org
>> [mailto:stoves-bounces at listserv.repp.org] On Behalf Of Niels Corfield
>> Sent: Friday, December 29, 2006 1:48 AM
>> To: Discussion of biomass cooking stoves
>> Subject: [Stoves] Dimensions for Pocket Rocket with 55Gal Drum
>>
>> Hi,
>>
>> I'd like to know if any of you have any ideas for dimensions of flue
>> pipe and feeder tube for a "Pocket Rocket" made with a 55Gal drum.
>> I have the specs for a 5Gal, in Rocket Mass Heaters and it says
>> dimensions are relative, however it doesn't give an indication of how to
>> figure these. Especially as length varies as well as width.
>>
>> Any ideas gratefully received.
>>
>> Hope your xmas's were merry.
>>
>> Regards,
>> Niels
>>
>> -- 
>> My Bookmarks:
>> http://del.icio.us/entrailer
>>
>> My Pics and Projects:
>> http://www.flickr.com/photos/nielscorfield/
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>>
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>>
>>     
> http://uk.groups.yahoo.com/group/leeds_permaculture_network/?yguid=243022692
>   
>> http://lists.ibiblio.org/mailman/listinfo/scythe
>>
>> Swillington Permaculture Forest Garden Project -Aerial Image (Now Quite
>> Old):
>>
>>     
> http://maps.google.co.uk/maps?f=q&hl=en&q=LS26+8QA&ie=UTF8&z=19&ll=53.760874
>   
>> ,-1.428051&spn=0.000943,0.00339&t=k&om=1
>>
>>
>>
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>
>
>
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