[Stoves] Testing TLUD

[Andrew Heggie]

Trying to return to particulate emissions in  use with non uniform
quality fuels.

On 19 October 2017 at 05:11, Kirk H. <gkharris316 at comcast.net> wrote:
>  Dean Still has
> offered the use of Aprovecho’s lab to others as well as myself.  He tells me
> that I am the only one who ever took him up on it.

It's a shame they are too far from me, I'd like to play with some
emissions testing.


>I spent two weeks at
> Aprovecho in March of 2016, using their equipment to improve the turn-down
> and emissions of my TLUD-ND.  I repeatedly tested iterations under the hood.
> The resultant stove finally worked as desired, being able to burn clean at
> various power levels.  Dean then gave me a test at Lawrence Berkley National
> Labs burn lab which Aprovecho had received in an EPA grant.  The stove
> tested at tier 4 in most catigories.  This would not have been possible
> without Aprovecho.
>

Did you ever do any tests with fuel at varying moisture contents?

I'd like to see such tests with TLUD  and looking at the yield and
quality of char remaining.
>
>
> I noted that Aprovecho’s equipment was not as sensitive as Berkley’s, but it
> was also a fraction of the cost to build.  If used properly there is a place
> for both types of equipment.  Apro’s equipment is excellent for pounding
> away at a problem and cleaning up the stove.  Berkeley’s equipment is great
> for getting final detailed lab test results.  I don’t see one as being good
> and the other bad, but that each has it’s strengths and its place.

Yes perfection being the enemy of good enough.

Andrew