I've just installed a new low head turbine and am selling the old one. It has a Smart Drive generator on it, and makes 200 to 350 watts with a 5 to 6 foot head. Smart drive is in perfect condition, turbine needs some work. Contact Jeffe at: [EMAIL PROTECTED]
On 2/16/05 3:04 AM, "Carlos Bonifetti" <[EMAIL PROTECTED]> wrote: > > > Hi Chris: > > As an industrial centrifugal, radial & backward curved blade impellers, > 'Sirocco' ones and cross flow turbine builder, I can tell you that squirrel > fan impellers (or 'Sirocco' type as commercial named) relatively narrow wide > could be used as simple/cheap and some poor reliability cross-flow turbine > runner, but only for small heads not greater than 8 - 10 meters and small > power, because the too thin impeller blades. The fan casing can't be used so > it could be made with welded or riveted steel plate. The nozzle must be made > with small angular arc very well adjusted to the impeller side plates and > without flow control valve thus for fixed flow operation. An epoxy paint, some > 5 mils, applied at the impeller will be good for corrosion protection. The > water must be very clear without any abrasive particle, sand, etc. Ball > bearings can be pillow blocks SKF 'SY' type or equal. > > Best Regards, > > Carlos Bonifetti > Chile > --------------------------------------------------------- > ----- Original Message ----- > From: Hoppy > To: [EMAIL PROTECTED] > Sent: Friday, October 29, 2004 3:10 PM > Subject: Re: [microhydro] Re: Digest Number 1025 > > > > Has anyone responded to your question? Squirrel fans do seem like a cheap > way to set up a small system... > > Could you please keep me informed? > > Chris > > ----- Original Message ----- > From: "The Dragon" <[EMAIL PROTECTED]> > To: <[EMAIL PROTECTED]> > Sent: Wednesday, October 27, 2004 2:51 PM > Subject: [microhydro] Re: Digest Number 1025 > > >> >> >> >> Didn't anyone ever try using squirrel cage fans as a pass-thru wheel >> when doing a really small hydro site? Seems like it would be a good >> idea if they are short on funds or lack equipment. >> The Dragon >> >> >> >> --- In [EMAIL PROTECTED], Max Klohn <[EMAIL PROTECTED]> wrote: >>> >>> Dear all, >>> >>> Those peltric look good and and one might even be able to choose the >>> right parameters per-site. The question is the costs for an import >>> operation... Would probably need some volume to be cost-effective. >>> >>> IMHO the mising link here in Chile to locally produce peltrics is a >>> reliable local or imported source for cheap IGC's (and their >> replacement >>> parts). The rest of the stuff is available, or ppl can be trained. >>> >>> I do *not* believe in plastic runners, at least the locally >> supplied, >>> after what I have seen here. And it would be hard to sell more >> plastic >>> runners, even sturdy ones, to the people who have had problems with >>> previous ones. >>> >>> Let us talk... >>> Regards, >>> >>> Max >> >> >> >> >> >> >> >> >> >> >> Does your company feature in the microhydro business directory at > http://microhydropower.net/directory ? If not, please register free of > charge and be exposed to the microhydro community world wide! >> >> NOTE: The advertisements in this email are added by Yahoogroups who > provides us with free email group services. The microhydro-group does not > endorse products or support the advertisements in any way. >> >> More information on micro hydropower at http://microhydropower.net >> >> To unsubscribe: send empty message to > [EMAIL PROTECTED] >> Yahoo! Groups Links >> >> >> >> >> >> >> >> > > > > > > > Does your company feature in the microhydro business directory at > http://microhydropower.net/directory ? 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