Post by rocketeer on Oct 13, 2012 7:31:46 GMT -8
Hi, this is my first post on this for and also the first time I'm trying to build my own stove.
I've read many article on various place on internet and always wondered why the fuel can only be sticks of wood. I'm looking for something more flexible. Like sticks, wood chips and coal. Maybe that's odd, but hey I'm a newbie ;D
Find attached a picture of my first rough idea. I'm fully aware it's far from final but I would like to discuss the core idea.
I have no what the ideal length/ratio's are.
That's why you won't find sizes in the drawing...
Maybe it's so insane the idea is a waste of time.
The green line is the outer pipe.
The blue line is the outer pipe.
The green hatch is isolation between the outer and middle pipe.
The red line is the actual chimney/fire chamber.
The yellow line is a optional skirt that bout an inch wider than the pan.
The idea behind it is that the heat is forced to move against the sides of the pan. I think that should add some efficiency.
The red pipe has hundreds of holes in it over the whole length.
Most stoves only have air intake at the bottom of the stove.
Some stove designers try to improve efficiency by adding a secondary air intake near the top.
My first question is: Will the many holes in the inner pipe potentially improve efficiency? Or will mess up the airflow?
Maybe only holes at the top half of the stove?
There is, obviously, some space beween the red and blue pipe for air intake. My second question is: Should the area between the red and blue pipe be closed at the top or not.
Personally I edge toward closed because I think it will disrupt the chimney effect of the red pipe less than in an open configuration. Less airflow so less cold air to cool down the stove. It isolates a little better. As the air rises it heats up and expands. I hope that means the air is forced inside the red pipe that way.
The bottom of the red pipe is a grate.
There is no fuel tunnel. That's another thing I want to discuss.
I would like to throw in the wood (chips) from the top.
Somewhere on this forum (I think) someone wrote it's a bad idea to have wood standing in the chimney. Maybe that's no longer an issue if air flows in from all sides?
Okay, enough questions for a first post. Thanks for reading.
I've read many article on various place on internet and always wondered why the fuel can only be sticks of wood. I'm looking for something more flexible. Like sticks, wood chips and coal. Maybe that's odd, but hey I'm a newbie ;D
Find attached a picture of my first rough idea. I'm fully aware it's far from final but I would like to discuss the core idea.
I have no what the ideal length/ratio's are.
That's why you won't find sizes in the drawing...
Maybe it's so insane the idea is a waste of time.
The green line is the outer pipe.
The blue line is the outer pipe.
The green hatch is isolation between the outer and middle pipe.
The red line is the actual chimney/fire chamber.
The yellow line is a optional skirt that bout an inch wider than the pan.
The idea behind it is that the heat is forced to move against the sides of the pan. I think that should add some efficiency.
The red pipe has hundreds of holes in it over the whole length.
Most stoves only have air intake at the bottom of the stove.
Some stove designers try to improve efficiency by adding a secondary air intake near the top.
My first question is: Will the many holes in the inner pipe potentially improve efficiency? Or will mess up the airflow?
Maybe only holes at the top half of the stove?
There is, obviously, some space beween the red and blue pipe for air intake. My second question is: Should the area between the red and blue pipe be closed at the top or not.
Personally I edge toward closed because I think it will disrupt the chimney effect of the red pipe less than in an open configuration. Less airflow so less cold air to cool down the stove. It isolates a little better. As the air rises it heats up and expands. I hope that means the air is forced inside the red pipe that way.
The bottom of the red pipe is a grate.
There is no fuel tunnel. That's another thing I want to discuss.
I would like to throw in the wood (chips) from the top.
Somewhere on this forum (I think) someone wrote it's a bad idea to have wood standing in the chimney. Maybe that's no longer an issue if air flows in from all sides?
Okay, enough questions for a first post. Thanks for reading.
