[TheForge] Krause/Nazel type air hammer

Tue Dec 3 01:17:00 2002

Pete,
I concur that Mark is extremely talented and he is also extremely generous
with his knowledge. I hope he reaps his just rewards monetarily.
Bob

----- Original Message -----
From: "Peter Fels and Phoebe Palmer" <[email protected]>
To: <[email protected]>
Sent: Monday, December 02, 2002 1:03 AM
Subject: Re: [TheForge] Krause/Nazel type air hammer

> At 06:54 AM 12/1/02, you wrote:
>
>
> For all he looks like he belongs in a motorcycle gang...Mr Krause is an
> unusually talented guy.  That he tackles an ambitious project casually and
> pulls it off  in a few weekends with seeming ease does not necessarily
mean
> that the rest of us can duplicate it in our spare time...even when he
> writes an illustrated booklet telling us the hard part..........Pete
>
>
>
>
>
>
>
> >steve,
> >
> >the idea is pretty straightforward but the transfer of idea to reality
has
> >not been so straightforward as one would hope. krause demoed his hammer
> >over two years ago. if it was a workable idea and so much better than the
> >kinyon you would think they (krausehammers) would be all over by now.
> >
> >there has been a lot of talk over on the keenjunk site about this
project.
> >mark krause was posting about his effort to upscale his design to a
larger
> >size. also a guy named john larson has had some success. there is a
search
> >feature at the keenjunk site to search for their postings.
> >
> >i'm surprised that none of the kinyon builders haven't responded to your
> >comment about kinyons "just bounces between top and bottom". from what i
> >hear the kinyon hammers are doing a fair amount of work as they bounce.
> >also a "very large compressor" isn't needed unless you do very large
work.
> >check out larry zoellers downsized kinyon that runs off a fairly small
> >affordable compressor.
> >
> >bob (still using a 25lb LG)
> >_______
> >
> > >The idea is pretty straightforward. You use a motor to drive a double
> > >acting air cylinder. This is connected to the ram air cylinder (also
> > >double acting) via the air ports. The air provides the give in the
> > >hammer that is done in a Little Giant with a spring and toggle arms.
> > >
> > >The big advantage over the Kinyon style is control. The Kinyon hammer
> > >ram just bounces between top and bottom (or the top and the work). The
> > >Kinyon can only push the ram from one side at a time (assuming I
> > >understand how the Kinyon works...). The Krause/Nazel hammer applies
air
> > >to both sides of the piston. The side with the most pressure dictates
> > >which way the ram will move. The pressure can be reversed immediately
by
> > >changing the foot treadle position (and altering the balance of
> > >pressure). This makes it much more responsive.
> > >
> > >It is also a way to avoid buying a very large compressor that I don't
> > >have a lot of other use for. Since I'm doing this for fun, I get to
> > >build it myself and mess around with something different.
> > >
> > >Steve
> > >
> > >mike wolfe wrote:
> > >>
> > >>
> > >> Steve Smith wrote:
> > >>
> > >>> I'm starting on building a Krause/Nazel type air hammer,
> > >>
> > >>
> > >>
> > >> Steve:
> > >> Tell me more about the Krause/Nazel type air hammer, I had seen it in
> > >> operation at the conference, and I had been waiting for Mark to go
> > >> further with its evolution, I also thought "Sid" was getting involved
> > >> with the project a while back.
> > >> I have not heard anything for a while until you had talked of it.
> > >> Are there new plans or new developments about the Krause/Nazel type
air
> > >> hammer.
> > >> Any info would be wonderful..
> > >>
> > >> Thanks
> > >> Mike Wolfe
> > >>
> > >>
> > >>
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