I do not know if the complexity of the iris design is warranted.
The afterburners of a jet engine use overlapping petals to contain the hot
gases. If you added a few feet to the feed throat, you could use spring loaded
overlapping petals reaching into the throat which would conform to the diameter
of the log continuously regardless of size or feeding speed. It works on jet
engines.
Art Krenzel, P.E.
PHOENIX TECHNOLOGIES
10505 NE 285th Street
Battle Ground, WA 98604
``What you need to invent, is an imagination and a pile of junk.'' Thomas
Edison
> From: [email protected]
> To: [email protected]; [email protected]
> Date: Tue, 28 Jan 2014 17:57:13 -0400
> CC: [email protected]; [email protected]
> Subject: Re: [Gasification] [Stoves] Mk2 Chip Guillotine
>
> Dear Doug
>
> ----- Original Message -----
> From: "Doug" <[email protected]>
>
>
> > Hi Kevin,
> >
> > I love the idea of having actually dry logs to burn. Ours remain wet until
> > they rot, probably because we have no really cold snow season.
>
> # Our "standing deadwood" seems to dry out well.
> >
> > What did catch my eye, is the Iris opening device. I have never made
> > anything
> > like this, so does anyone have a reference site that I can study?
>
> I haven't seen any plans on how to build one, but for starters, if you had
> an old camera, ready for discard, you could take it apart carefully, to see
> the principles of operation.
> >
> > My chip guillotine is now completed as required by myself as you can see
> > from
> > this mornings photo, so next job is the drawing(:-)
>
> # It is a lovely piece of workmanship, and the "Fluidine Colours" add
> greatly to "the professionalism of the build."
>
> Best wishes,
>
> Kevin
> >
> > Doug Williams,
> > Fluidyne.
> >
> >
> >
> > On Tue, 28 Jan 2014 10:25:58 -0400
> > "Kevin" <[email protected]> wrote:
> >
> >> Dear Doug
> >>
> >> "The best way to solve a problem is to eliminate it in the first place."
> >>
> >> These folks have found a way to eliminate most of the need for fuel
> >> sizing.
> >> Looks like they could burn "kill dried wood" without the need for
> >> blocking,
> >> splitting, or chipping. It is sort of like an oversized Rocket Type
> >> stove.
> >> http://www.gizmag.com/spruce-stove-log/29863/
> >>
> >> Kevin
> >
>
>
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