My formules are strictly correct They are based on similitude hydraulic laws Only note that this good result id got if you have modify the speed in...
4627
Nando
nando37@...
Dec 7, 2003 5:35 pm
Dane; Please place your parameters either in this forum or send them to me, I may be able to direct you to the proper area. Nando ... From: "Dane Rogers"...
4626
Nando
nando37@...
Dec 7, 2003 5:34 pm
This one is the correct one Nando ... From: "M Reed Enterprises" <mreed@...> To: <microhydro@yahoogroups.com> Sent: Thursday, December 04, 2003 10:07 AM ...
4625
andre.callaert@...
acallaert
Dec 7, 2003 5:29 pm
... Dear sir, Mister Albert MENDRET is right and your guru is wrong. The power depends on the head and the quantity of the flow. P=H.Q.Eff ( Eff is the overall...
4624
M Reed Enterprises
Pitadoggy
Dec 7, 2003 5:27 pm
I like your idealistic point of view. However, proprietary information is part of rational business. Thinking that it should be revealed is tantamount to...
4623
EcoInn
ecoinn2001
Dec 7, 2003 5:24 pm
Hi All, If you live in NZ, we are planning workshops for the new year on how to build you own Pelton Turbine, the workshop includes all the parts required and...
4622
Dane Rogers
danerogers7
Dec 6, 2003 10:55 am
Thomas, Thanks for your response to Mr. Casares. I too think his reaction was out of line. This forum is a place to share information and promote microhydro....
4621
puddlduk
Dec 6, 2003 10:55 am
Hi Ron, Considering these are graduating mechanical engineers you should make them get their hands dirty. How about a re-run of the student engineering project...
4620
D Baker
the_mustang_...
Dec 6, 2003 10:55 am
Hi All. I run a small website catering to DIY Alternate energy type people. I have been trying to find a source for small hydro parts and pieces, my users can...
4619
Alistair J. Wait
alistair_wait
Dec 6, 2003 10:54 am
It has always been my experience that people who are secure in themselves and confident in their abilities are willing to share information. I am wondering...
4618
Richard Drover
richard_drover
Dec 6, 2003 10:54 am
... Just about right, Only Q will increase slightly as well, as Jet velocity increases with pressure. However, head losses may also increase depending on how...
4617
Richard Drover
richard_drover
Dec 6, 2003 10:53 am
Yes indeed And there is no great mystery in the Pelton. Jeremy Thake's excellent book, 'The Pelton Design Manual' explains the subject well and provides plans....
4616
M Reed Enterprises
Pitadoggy
Dec 6, 2003 10:53 am
Thank you for this. My guru and installer told me yesterday that the output would increase proportionally. Thus, using the same numbers, I would get an...
4615
MENDRET Albert
amader2003
Dec 4, 2003 1:04 pm
hello, The power will increase as (H2/H1)^3/2 but to be totally true that asks to increase speed in sort that : N2/N1 = (H2/H1)^0.5 Example H1 =28 P1...
4614
lamyser@...
lamyser
Dec 4, 2003 1:03 pm
Concerning the production of Pelton turbine for microhyedropower here in Cuba we have this possibility if it is necessary I can contact them because we have...
4613
Ron and Diane
cnsorata@...
Dec 3, 2003 8:00 pm
Dec. 3, 2003 Hello All, We are soon to give a course in microhydropower for graduating Bolivian mechanical engineers who will be spending an obligatory year in...
4612
AllenderD
Dec 3, 2003 8:00 pm
... The simple formula is P=10xQxH where P is power in watts, Q is flow in litres/sec and H is head in metres Thus P is proportional to head, assuming constant...
4611
Köhli Thomas
thomaskoehli
Dec 3, 2003 7:59 pm
Dear EDDY CASARES unbelievable that someones answer is in such a way, it seems that construction design of Pelton and Francis runners is something like a holy...
4610
Max Enfield
max@...
Dec 3, 2003 7:59 pm
... For any impulse turbine, including a crossflow, provided there is no change to the geometry of the unit (e.g. nozzle size is not changed) the flow rate is...
4609
M Reed Enterprises
Pitadoggy
Dec 2, 2003 10:47 pm
I am just completing installing a crossflow turbine. The normal head will be 28 feet. Pipe is 10 inches ID. I anticipate around 4 KW production. Part of the...
4608
Mubeen Waqar
mubeanw
Dec 2, 2003 10:47 pm
Sir Mendert Albert Thank you very much for the mail. I am relieved that i atleast have some people to resort to about my project. I completely agree with you...
4607
vkovacs
vkovacs@...
Dec 2, 2003 10:46 pm
Like to know if anyone has experience, or running Power generator from Alconza. I'm planning to by one. I dont know how to compare. Thanks. vic [Non-text...
4606
MENDRET Albert
amader2003
Dec 2, 2003 10:46 pm
HELLO , I studied that question and you may visit my site (in french) at http://clients.newel.net/particulier/amader/ if you are interested look at the link :...
Hello The best soluiton I know to have precision is the dynamometric system As the power is week , you have to build your alternator ! Use a magnetic circuit...
4603
MENDRET Albert
amader2003
Dec 2, 2003 10:45 pm
See my site (in french) http://clients.newel.net/particulier/amader/ sincerely A MENDRET ... From: R. P. Singh To: microhydro@yahoogroups.com Sent: Friday,...
4602
EcoInn
ecoinn2001
Dec 2, 2003 10:44 pm
Hi Wim, We can supply plastic injection moulded pelton buckets and smart drive PMG's for small (upto 1 kW 12/24/48 vdc) units at very low prices for volume...
4601
jerrybrooke
Dec 2, 2003 10:44 pm
Does anyone know how to develop these curves for a PM Generator, or PM Alternator? Thanks....
4600
EDDY CASARES
gulfatlan
Dec 2, 2003 10:43 pm
Unbelievable that anyone would dare to request such information. I would understand a forum on small hydros for home applictation as most of the messages one...
4599
Ron and Diane
cnsorata@...
Dec 2, 2003 10:42 pm
We produce turgos type turbines in Bolivia. See www.watermotor.net Ron Davis ... http://microhydropower.net/directory ? If not, please register free of charge...
