Re: [Biofuel] Resource windfall!

2005-10-15 Thread des
I've gotten a couple of submersible pump ends (heads?) from a well 
drilling outfit that regularly replaces pumps that die after getting hit 
by lightning.  Only the motor dies, and they had a pile for me to hunt 
through.  Didn't notice anything for above ground, since that wasn't 
what I was looking for.  You may have a similar resource where you live.

I'd guess that above ground pumps can suffer the same fate, though I 
hear of the pump end of the above ground pumps going out first in the 
winter, water freezing and bursting the pump.

doug swanson



  
 And does anyone know where I can just by pump heads, not full blown pumps?
  
 Peace out
 -K
 
 
 
 
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Re: [Biofuel] Resource windfall!

2005-10-15 Thread Keith Addison
I was rooting around under the house recently, trying to find a 
rumored stockpile of materials left over from when we built the 
house, and lo and behold I found it.

Or something that pretended to be it, at least.

I now have, in my possession, some several dozen feet of copper 
piping, elbows, Y-connectors, Ts, and a good number of ball valves 
for same piping. As well as four 55 gallon drums, all plastic. Also 
in this little treasure trove was a 1/4hp motor (1730RPM) and a pair 
of 1/3hp motors (3300 and 1500RPM), a rather large box of electrical 
connectors, a small mini-breaker panel, and some three thouand feet 
of 12ga three conductor wire. Around fifty or so linear feet of PVC 
piping as well, and joints and connectors for that are easy to find. 
Rock on, I may not really have to buy ianything/i for a 
processor later.

Just one question, and I haven't been able to find any mention of 
problems (Though I haven't exactly done an in-depth search yet) 
concerning using copper piping for everything. Does Methoxide have 
any problems with it? BD? I know the oil probably won't, and from 
the use of copper in a methanol condensor I hazard that it doesn't 
have a problem with it either.

And does anyone know where I can just by pump heads, not full blown pumps?

Peace out
-K

Copper and vegetable oil: I'm not so worried about the copper but 
what the copper does to the fuel. Did you ever check what happened to 
your fuel properties like oxidation stability and acid value? A lot 
of research has been done in Germany on VO (and biodiesel) fuel 
properties, and who I consider as the leading experts clearly warn 
against using copper in connection with VO because of the catalytic 
effect it has on the VO. The laboratory ASG Analytik-Service 
(http://www.asg-analytik.de), who were involved in the research 
leading to the Rape Seed Oil Fuel Standard, says that just a few 
PPM of copper in VO will change the oxidation stability... [In SVO 
systems] with a catalytic metal, I think you have the best conditions 
and environment for decomposition of the VO, and the effects it has 
on the fuel properties again have an impact on the engine 
performance, engine conditions (lifetime) and emissions composition. 
-- Niels Ansø, Folkecenter, Denmark
http://www.folkecenter.dk/plant-oil/plant-oil_en.htm

Standardisierung von Rapsöl als Kraftstoff - Untersuchungen zu 
Kenngröben, Prüfverhafen und Grenzwerten, by Edgar Remmele, thesis on 
vegetable oil as fuel -- see pp 144-146 for the effects of copper on 
vegetable oil. Acrobat file, 1.4Mb - in German. Google translation - 
http://www.google.com/language_tools?hl=en
http://tumb1.biblio.tu-muenchen.de/publ/diss/ww/2002/remmele.pdf

Best

Keith


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Re: [Biofuel] Resource windfall!

2005-10-15 Thread Kurt Nolte
Copper and vegetable oil: I'm not so worried about the copper but
what the copper does to the fuel. Did you ever check what happened toyour fuel properties like oxidation stability and acid value? A lotof research has been done in Germany on VO (and biodiesel) fuelproperties, and who I consider as the leading experts clearly warn
against using copper in connection with VO because of the catalyticeffect it has on the VO. The laboratory ASG Analytik-Service(http://www.asg-analytik.de), who were involved in the research
leading to the Rape Seed Oil Fuel Standard, says that just a fewPPM of copper in VO will change the oxidation stability... [In SVOsystems] with a catalytic metal, I think you have the best conditions
and environment for decomposition of the VO, and the effects it hason the fuel properties again have an impact on the engineperformance, engine conditions (lifetime) and emissions composition.-- Niels Ansø, Folkecenter, Denmark
http://www.folkecenter.dk/plant-oil/plant-oil_en.htm

Dang. Guess PVC it is then. 

Thanks for the links, they'll make for interesting reading during breaks at work.

Peace out
-K

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