[Stoves] Comparison fuel consumption - Ben stove

[Dr. Dieter Seifert]

Dear Paul,

The Ben-Stove is not a type of Rocket Stove. It has no insulated draft 
tube, but an extensive supply of primary and secondary air to the grate, 
which is integrated in a long ash pan, protruding the stove shell. The 
pot/pan is supported by a free-standing tripod, which supports the stove 
shell to give free access of air to the burning wood at the grate.

Zinc coated steel (melting point of zinc is 420 °C) is not changed. In 
literature the recommended use of mild steel with flue gases from burnt 
wood is limited to about 550 °C, but for a long life time of the stove, 
a lower temperature of course is advantageous.

You may find the desired tables with efficiencies and savings and a 
diagram for the savings at 
http://solarcooking.wikia.com/wiki/Dieter_Seifert and 
http://solarcooking.wikia.com/wiki/Ben_2_and_Ben_3_Firewood_Stoves

With kind regards,
Dieter


Am 17.04.2017 um 15:17 schrieb Paul Anderson:
> Deiter,
>
> Please explain in detain (diagrams, etc.) your statement:
>
> On 4/17/2017 1:22 AM, Dr. Dieter Seifert wrote:
>> The design of the Ben-Stove with low temperatures of the steel sheets 
>> (less than 400 °C) allows the use of mild steel. 
>
> Correct any misconception that the Ben stove is essentially a Rocket 
> stove, which certainly has temperature above 400 C at some of its 
> components, so many rockets have ceramic pieces.
>
> Paul
>
> Doc  /  Dr TLUD  /  Prof. Paul S. Anderson, PhD
> Email:psanders at ilstu.edu
> Skype:   paultlud    Phone: +1-309-452-7072
> Website:www.drtlud.com
>
>
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