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17533

Re: re; low head low flow system Another suggestion, if you can generate a CADD design; you can get it printed on a 3-D printer and use that for a sand mold at a foundry. Frank J. Heller, MPA

FRANK HELLER
Feb 13
#17533
 

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17532

Re: re; low head low flow system I live along the coast of Maine. We are lucky to have 'prop shops' for boat propellers with both the design and manuf. expertise to craft whatever type of

FRANK HELLER
Feb 13
#17532
 

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17531

Re: re; low head low flow system Arthur Williams I believe from Nottingham university in the UK did an excel program for figuring small low head turbine blades. He sent me an a copy. I think

kkhi96048
Feb 12
#17531
 

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17530

Re: re; low head low flow system I'm working on design of low head propeller turbine. I'm a newbie and had to model the turbine from the basics so I am stuck in runner blade design. I tried to

poudelsathi
Feb 12
#17530
 

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17529

Re: low head low flow system Someone sent me a new riverine device where the flow is used to create a flutter or oscillation; which breaks small magnetic fields..think of a fish in a

FRANK HELLER
Feb 8
#17529
 

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17528

Re: re; low head low flow system It still seems like the ideal would be the axial flux style, or one may refer to it as coreless. Not having to overcome the pull from the magnets on the

David Siedschlag
Feb 7
#17528
 

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17527

Re: re; low head low flow system Jim, ... But they are useless for this low head site. RC aircraft motors are for low voltage, and very fast running. At 650 RPM they would generate only a

Manfred Mornhinweg
Feb 6
#17527
 

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17526

Re: Cross flow turbine THE FOLLOWING LINKS WILL GIVE TYOU A MORE GRAPHIC IDEA OF WHAT YOU WANT TO DEAL WITH.. http://members.tripod.com/hydrodocs_1/construction.html

Tony Goffe
Feb 5
#17526
 

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17525

Re: re; low head low flow system I bet there is a brushless outrunner rc airplane motor that would be good and cheap. Add a scottky diode 3 phase bridge rectifier and a mppt charge

James Fackert
Feb 5
#17525
 

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17524

Re: re; low head low flow system David, Radu, ... Too bad, I say, too! Because I have some large PVC pipes lying around under a tree, and need some victim to put them in a trench! ;-) ... My

Manfred Mornhinweg
Feb 4
#17524
 

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17523

Re: re; low head low flow system Hello David, On the permanent magnet generators (Manfred brought it up) of that tiny power range, pls. note that you can use a brushless DC motor with a

radu_babau
Feb 4
#17523
 

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17522

Re: re; low head low flow system Manfred, That was probably the clearest explanation of the subject I have ever read. Thank you very much!! William Posted by:"Manfred Mornhinweg" mmornhin

foradventures .
Feb 3
#17522
 

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17521

Cross flow turbine Guide vane Design Hello  I am working for cross flow turbine with Guide vane. I don't have much knowledge on the design of the guide vane for cross flow turbine and the

Dhirendra Shrestha
Feb 3
#17521
 

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17520

Cross flow turbine Nozzle design with Guide vane Hello I have been working on to design Cross flow turbine for different flow rates. I am working on to design a Nozzle with Guide vane. I haven't found much

dhirenp0
Feb 3
#17520
 

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17519

Re: re; low head low flow system Manfred, I just want to say I really appreciate your input and patience. I looked over your web page WOW. You obviously have “smarts” in areas that

David Siedschlag
Feb 3
#17519
 
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