Re: CO meters and Savonius rotor

["Dean Still" <dstill@epud.net>]

Dear Friends,

I've offered to send Dr. Willson the Onset HOBO CO data logger to determine
its usefulness. It's great that he is willing to take the time to look into
this matter. Hopefully, the List can help to find a low cost way to look at
emissions and then eventually we all will share data that is factual. Thanks
again to Bryan for his help!

By the way, recently I've been developing prototypes of horizontal Savonius
rotors set above the fire, (a big two bladed propeller), spun by the draft.
It is made out of a tin can with a piece of wire as the axle. Half the fan
is exposed to the "wind" in the chimney. The fan, which almost completely
fills the cylinder, spins at about 50 to 100 RPM  or so which should create
a lot of mixing. Once we determine a inexpensive method for testing CO, etc.
I'd like to see if it has any effect.

Another approach that may have merit, or not, is to use tubes to direct air
into the fire. The front of the Rocket fuel magazine is partially blocked by
a guillotine door so pressure pulls air into tubes that then seem to create
turbulence in the fire. Since air is sucked between the sticks as well not
much pressure is developed but it's possible to see flames being effected by
the jets of air.

Best,

Dean




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