microhydro : Messages : 5727-5756 of 11808

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5727	Hey, As soon of you may know from a previous posting, I and three classmates are currently working on developing a low-cost, durable, locally constructable ...	zedhead@... mattzedler	Apr 1, 2005 11:08 am
5728	Hi, My name is Dimitar, In my opinion this is not so good design. For small power you can use wood blades cover with epoxy resine with glass ... ...	dimitar partenov partenov	Apr 1, 2005 12:47 pm
5729	I have a question to the group: Can we say that does the entrance angle is 16 degrees for all type of crossflow turbines (crossflow turbines that made by all...	candangil	Apr 4, 2005 1:20 pm
5730	During the last two weeks I came across various sites in South Africa (on the North East Escarpment) that may be ideal for hydropower. The owners of this land...	Basson, Ivan ivanbasson	Apr 4, 2005 5:01 pm
5731	hi, yes it can change but if angle is small the constraction of nozzle is difficult. Some companies pradus turbine with angle of 12 even less to 8 degrees. ...	dimitar partenov partenov	Apr 4, 2005 5:01 pm
5732	We have been building an a.t. Banki turbine based on the VITA design of around 1978. This has a 305 mm (1 foot)diameter wheel. The width is 280 mm. We are...	cnsorata@... watermotor	Apr 4, 2005 5:04 pm
5733	Hi Kenan, the 16� nozzle angle is for all sizes and models of Banki turbines. Other features like flow control device design, blade number, nozzle arc, etc.,...	Carlos Bonifetti cebondiet	Apr 4, 2005 5:04 pm
5734	Site evaluation - help wanted (a folder by that name has been created for reference) Given this site, whats easist design to install and maintain? An...	steinaman	Apr 4, 2005 5:06 pm
5735	steinaman: Still your comments are not clear. I can not access your folder, I do not have a Yahoo account .Send it to me directly, I can take large files. You...	Nando nando37@...	Apr 5, 2005 6:57 am
5736	Ivan: Francis is not a Turgo. Look into Turgos, easier to build, there are some manufacturers in South Africa Francois Swanepoel SwanepoelF@... maybe...	Nando nando37@...	Apr 5, 2005 6:58 am
5737	Steinaman, Interesting site. Thanks for posting the pictures. I don't have any direct experience with this type of low-head, high-flow microhydro, but I ...	Eric Youngren solarorcas	Apr 5, 2005 6:59 am
5738	Dear Dimitar; Respect to the angle in Nozzle (Inyector) of Cross Flow Turbine (alpha1), this angle is in relation with angle of the blade (beta1) for the ...	Orlando A. AUDISIO oaudisio@...	Apr 5, 2005 1:30 pm
5739	Thanks eric, Yes you are confirming my thinking. I knew about the waterturbine site and they look like best bet so far. Those Nautilus look really good. I can...	Larry Shine steinaman	Apr 5, 2005 3:39 pm
5740	Dear Steinman For this site you can use Kaplan or propeler turbine also cross flow ( Banki ) turbine. Dimitar ... ...	dimitar partenov partenov	Apr 5, 2005 3:39 pm
5741	Dear Orlando, I agree with you but you have to in mind that the original angle that each constructor choice is Alfa not Beta 1. Dimitar ... ...	dimitar partenov partenov	Apr 5, 2005 3:40 pm
5742	Dear group, Please a message by Todd Wootton below. Reaction to him directly at todd.wootton@..., cc to the group when relevant. Tom, please see the...	Wim Jonker Klunne wim_klunne	Apr 5, 2005 3:40 pm
5743	Ron, I don't know that VITA design. We have experience with SKAT (Switzerland) T-13 (300 mm dia.) model and our TU-202 (200 dia.), TU-302 (300 dia.) models. ...	Carlos Bonifetti cebondiet	Apr 6, 2005 6:43 am
5744	Hi Martin, The best progarmm for this goals is Matlab. Dimitar ... microhydro ... they...	partenov	Apr 6, 2005 5:07 pm
5745	Martin I can find drawngs for a 9 inch spiral. What CAD systems you use? ... spiral tube ... power, using ... clean as ... comparison ... small metal ... ...	partenov	Apr 6, 2005 5:14 pm
5746	I've managed to track this down. It was Dec 1982, not 84. The library only had B/W photocopier, so the pictures didn't come through very good, but the missing...	Joseph Hartvigsen turgo_gen	Apr 7, 2005 6:47 am
5747	Is this angle a constant or would waterflow, depth or other factor influence it ? thanks...	rod8kor	Apr 11, 2005 6:36 am
5748	Some years ago I met a fellow in Vermont who was generating power and net metering (I think the power company knew about it) He was using a 3 phase motor which...	Dave Blaze cletrac_ma	Apr 11, 2005 6:37 am
5749	Hello! This is my first e-mail to the group. I'm dealing with hydropower since six months and i need to improve my knowledge on this topic. After a theoretical...	giorg4falls	Apr 12, 2005 6:37 am
5750	Dave: The method described by you is an standard method used to run 3 phase motors with single phase, the capacitor is used to generate the quasi-3 phase for ...	Nando nando37@...	Apr 12, 2005 6:37 am
5751	Hydrophillics, Sorry for the lack of formal introduction, but this is something of a time sensitive matter. In brief, I run a small renewable energy company in...	DJ MacIntyre macintyredj	Apr 12, 2005 6:38 am
5752	Hey Dave.... I have Ray Millers book (a signed copy) and George Butlers book too.......and actually will be spending the next few days wiring in a 25HP 3 phase...	H2MJD bigpogue	Apr 12, 2005 6:38 am
5753	DJ: Paddle wheels for such power is a "big mother". A better solution would be 2 contra-rotating propellers under water, so what is the depth of the river in...	Nando nando37@...	Apr 12, 2005 2:31 pm
5754	Greetings a 50kW paddle wheel is very large. There are several styles of water current turbines on the market now. I have included some below. ...	Steve Gregory sdgregory@...	Apr 12, 2005 2:36 pm
5755	Hi, With 25hp or 18.65kW motor, it should be possible to generate at least 15kW of power in generator mode. 11kW seem very cautious. Ghanashyam ... From: Nando...	Ranjitkar, Ghanashyam gs_ranjitkar	Apr 12, 2005 4:38 pm
5756	The rule of thumb for engine genrators is 2hp / 1kw of electric. Steve Spence Dir., Green Trust http://www.green-trust.org Contributing Editor ...	Steve Spence sspence65	Apr 13, 2005 6:40 am

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