[Stoves] Variable Speed Stove Fan

[Crispin Pemberton-Pigott]

Dear Steve

>What wattage fan.

A CPU fan, and a Power Supply fan. I think that would benefit the most 
people on this list.  They are avalable all over the place.  I am not sure 
the power but about 2 watts if I remember the discussion on little gasifiers 
correctly.

>What typical supply volts.

They are 3.5 and 5 volts aren't they?  That us a Laptop CPU fan. The big 
power supply fans are 12 volts as far as I know.

>...and do you want to run to 0 speed and 100% speed, or will
>5 and 95% be OK.

I think 10-90 would be very acceptable.

>Are you terribly concerned about power efficiency ?

Yes - that is the point.  In order to justify buying parts it has to save 
power over a pot.

There are so many applications for this....if we get the parts affordable 
(they are out there but too expensive) we can run a fan on the stove power 
to create quite a bit more stove power, if you get my drift.

Once I have lights and electricity I have control over my environment.  I am 
asking an off-list group for ideas about generating a small amount of power 
in a novel way.  That will help too.

Regards
Crispin