[Stoves] Malot-blower

[adkarve]

Dear Martin,
One can make an arrangement like a ratchet wheel in a bicycle, so that the
fan rotates only when the bow gos forwards and not when it is drawn
backwards.
Yours
A.D.Karve
----- Original Message -----
From: Boll, Martin Dr. <boll.bn at t-online.de>
To: <stoves at listserv.repp.org>
Sent: Sunday, July 08, 2007 2:22 PM
Subject: Re: [Stoves] Malot-blower


> Paul,
> You misunderstood me. My Malot-blower is created, to blow only in _one
> direction_! That is the advance, you _need_ by a bow-driven fan for normal
> use. It does never change blow-direction, as Andrew (AJH) sees clearly and
> has corrected.- Thanks Andrew, for putting into clear words.-
>
> The bow, I used, was too simple to put on photo:
> Just a thin (8mm diameter) bamboo stick, 80 cm long, with a simple not too
> thick (but not too thin) thread, which makes a "fiddle"-length of 70cm.
The
> thread was a natural fibre, no nylon, to get e better grip.
> That is all.
> I should mention, that it is useful, to make the bow-near bearing so, that
> you can turn the bow-cord easily once round the shaft, that it can drive
by
> friction. Otherwise you must hook-out the cord on one end of the bow, to
> manage that.
> But with a hook and eye on the had-far end of the bow that would work as
> well.
>
> Paul, I am pleased to hear that a 30 second blow or up to 2 minutes will
> work with the T-LUD. That can easily be reached with the Malot-blower.
>
> Furthermore, I think if the gained blow is not strong enough, the
> Malot-blower can be built as a two- or three-step- blower in series onto
the
> same shaft. (with the needed septa in the house)
>
> Happy "fiddeling"!
>
> Martin
>
> >
> > Message: 7
> > Date: Sun, 08 Jul 2007 00:49:11 -0500
> > From: "Paul S. Anderson" <psanders at ilstu.edu>
> > Subject: Re: [Stoves] Malot-blower
> > To: frank at compostlab.com, Discussion of biomass cooking stoves
> > <stoves at listserv.repp.org>
> > Cc: Sarah, SIFAT - Alabama <corsonsm at aol.com>, Kathy Bryson - SIFAT
> -
> > Alabama <brysonk at sifat.org>
> > Message-ID: <20070708004911.aeahgszdc8wo4ws0 at webmail2.ilstu.edu>
> > Content-Type: text/plain; charset=ISO-8859-1; format="flowed"
> >
> > Stovers and Kathy,
> >
> > In October last year I saw a very good bow and string system with
rotation
> > continuing with both the forward and backward strokes, for a spinning of
> > thread/yarn, not as a fan.  It was at a conference at SIFAT in Alabama.
> > Kathy
> > heads that operation and is getting a copy of this message.
> >
> > Quoting frank <frank at compostlab.com>:
> > > So I was attracted to Martins
> > > idea of using a bow and string to rotate the fins in forward and
reverse
> > > direction. I realize the need to redesign the fins.
> > >
> > > Problems as I see it are:
> > > Power and means to move the bow back N force
> > > Getting enough air movement
> >
> > My interest is different from Frank's and Martin's who want some
> > reversal of the
> > air flows.  I want it only in one direction, to act as a blower into a
> > micro-gasifier for short durations such as 30 seconds to 2 minutes.
That
> > is
> > possible with human power, and the results on the gasifier operation
would
> > be
> > dramatic.
> >
> > Kathy, Please help me get the design info so that I can make one.
Better
> > yet,
> > can your fellow (sorry I do not have his name) send me a functional
unit?
> > I
> > will couple it with the malot unit, that can be seen at
> >
> > > http://stoves.bioenergylists.org
> > >
> >
> > Paul
> > --
> > Paul S. Anderson, Ph.D., Geography professor - Emeritus
> > Telephone:  USA-309-452-7072 (residence and office)
> > Internet site:  www.ilstu.edu/~psanders
> > For my gasifier stoves info, go to:
> > http://bioenergylists.org/contributors#Paul_Anderson
> >
>
>
>
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