[Gasification] Home made turbines

[Max Kennedy]

Not so inexpensive as you might think.  They need to be exceptionally balanced. While considering just such a thing I found this;

http://www.phoenixnavigation.com/ptbc/turbine45.htm

$1500-2500 for a "reasonable expectation" of 1/4 hp is not my idea of inexpensive.  If you can do a lot better by all means go for it.

Max K


----- Original Message ----
From: "gfwhell at aol.com" <gfwhell at aol.com>
To: gasification at listserv.repp.org
Sent: Tuesday, July 17, 2007 3:35:45 PM
Subject: Re: [Gasification] Home made turbines


Toby .
By far the simplest turbine to build would be the Tesla turbine. the disks could be cut? to your design reasonably cheaply by water jet. the housing , no more difficult to make than a down draft gasifier.
in fact you might consider combining the two. I believe small discs are available inside old hard drives
made of ceramic.You will find one of these demo'd on the web.
I could buy time on a plasma cutter to make 40 discs in 1/8" stainless. quite cheap!

GF


-----Original Message-----
From: Toby Seiler <seilertechco at yahoo.com>
To: dlevine at speakeasy.net
Cc: gasification at listserv.repp.org
Sent: Tue, 17 Jul 2007 12:26 pm
Subject: [Gasification] Home made turbines



David and list;
   
  Look at the design for a single stage steam turbine...larger diameter rotor 
and less rpm. If one were to make a turbine that is a 16" diameter rotor or 24" 
diameter, then torque would significantly alter the useful work available from 
the turbine.  Efficiency may not change from the 25% range, but a more suited, 
direct combustion turbine that extracts useful work is possible.   
   
  I will be happy to talk with anyone about how some off the shelf, junkyard 
components  could form a rotor and housing.  This could make a single stage 
prime mover or electric generator but with less rpm issues, producer and syngas 
fired or multi-fueled.  
   
  Regards,   Toby Seiler

       
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