Cagefire
This is the basic cagefire design, where airflow comes from below. Sides are left open so that fire can be observed by people. This aspect seems to be very important socially in many cultures. 
Cagefire can use different things as fuel, Such as wood pieces, pellets, charcoal, or a cup of burning ethanol. If using wood, instructions for the efficient firewood utilization can be found in the " Efficient Wood Fuel " link near the bottom of this page. 
If using wood as cagefire fuel, it increases the efficiency to use lighting fluid. This is not neccessary, but preferable. 
Idea of supporting metal rods is that a height of kettle can be adjusted by according the size of the fire, so that kettle can catch the maximum amount of heat energy. 
Here an ash collector bowl has been placed beneath the cagefire, for collecting the ashes to be used for fertilizing plants.
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More stuff coming to here during October & November 2006
Inventions, designs and developement: Pauli Rantanen, Selkikeskus, and their various colleagues and assistants.
Blueprints project credits:
Project coordinator: Toni Leino
Illustrations ( And 95% of the work ): Max Turunen with assistance from Sami Myllyniemi
Web Consultants: Janne Halttunen & Pekka Kemppainen
Disclaimer: This is a temporary site mirror at Max Turunen's Web site. All legal responsibilities, possible copyright and patent issues are held and answered by Selkikeskus.com and it's adminstrators, owning organizations, and their executives. In Short: I, Max Turunen, am just the illustrator doing their assignment and maintaining this mirror upon their request as part of that assignment. *As far as I know and have been led to understand*, these blueprints and the technologies depicted have been declared freeware for all... with the possible exception of the WheelTank depicted at "Watermaths" and Microfiber concrete depicted at "Cagefire Oven". I refer to Selkikeskus.com and Pauli Rantanen for any questions about precise legal and copyright issues. I ( as their author ) definitely mean all these *illustrations* to be *complete freeware to all people in general, and to each and every member of the humans species, present and future, specifically*.
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