This project has been stopped by mostly the weather but I finally had a couple of weeks to work outside. Here is the tube boiler:
I used an old water pressure tank to hold the tubes.
The fire box on this unit uses an old auto disk brake. I cut the center star shape out.
Combustion air enters the fire box through the three inch square opening in the side. This also cools the disk and provides good fire control.
A fourteen inch auto rim cut in half ducts the air through the disk. This keeps the air path clear from ashes.
Also the spoked center is movable.
The tubes are attached to the top and they sit on the fire box. The flue travels up the inside over the tubes and back down to the stack.
I will be doing more tests and will know the boiler horsepower better next week.
This last picture is a little of topic but is a acoustic guitar that I built in March-April this year.
I call it the Sparrow 2007, Joseph. |
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