Has anyone seen where to get an electric battery operated boat-trolling permanent magnet motor that can be anchored in a fast moving stream and used to...
MikeL
mikelob@...
Jan 1, 2003 3:08 pm
3702
Mike: The boat-trolling motor need to have the propeller changed to be able to generate electricity. The ideal one is those that are DC Brushless types,( they...
garciah
garciah@...
Jan 2, 2003 2:04 pm
3703
Sendegeya Al-Mas: I am a representative in El Salvador of a very good company from the United State of America called Sutron Corporation. They have good...
Paul, This is an intriguing concept. But wouldn't the 1/16" nozzle with a 30 m head give more power than blowing on it? I calculate a flow of 0.048 lps or 2.88...
Hi, ... Hmm, filling a glass of water... I've been wondering exactly how much power my local water works delivers to my home in the form of water pressure....
341 watt mini motor....used for model airplanes....3 inches long....10.2 oz.....hook up to turbine and away you go...??? http://www.hobby-lobby.com/ultra.htm ...
Australia Plans 1-Km High Structure, Taller Than CN Tower Thu Jan 2, 9:11 PM ET By Michelle Nichols MELBOURNE (Reuters) - The world's tallest man-made...
garciah
garciah@...
Jan 4, 2003 2:46 pm
3708
This is an exciting idea (using a small turbine to power some LEDs in home use). Does anyone know of a company that sells a turbine to power a little led...
ccs755@...
Jan 4, 2003 7:20 pm
3709
JOE & ALL: The use of very small motors, specially those used in the PC computers that are DC brushless motors, do have the potential of generating some low...
garciah
garciah@...
Jan 4, 2003 7:21 pm
3710
Joe: Paul made a mistake, he stated 2 l/sec it should have been 2 liter/minute. If any of you are interested in seeing his testing, please ask him for that ,...
garciah
garciah@...
Jan 5, 2003 1:49 am
3711
You won't be able to use all the energy you get from your main, because sometimes, you need the pressure it provides, so you can't use it for energy. For...
How about this? Use a pressure regulator (say 40 PSI) for the demand side. Operate the generator from the supply side. This way you will only be using the...
Thanks for your input on the idea, with three kids and a wife I think the little toilet input system would be cool .. But who could design a system like that?...
ccs755@...
Jan 5, 2003 8:54 am
3714
Greetings, We can supply a submersible propeller type hydro generator which will produce power in a fast flowing stream of water. It is available in 12 or 24...
Hello Rainbow Power, Thanks for the info. Can you give me an estimate on how much it would cost (US$) to send just the submersible propellor system you...
P M
claybones@...
Jan 8, 2003 10:21 am
3716
I found this while "surfing the net". Thought someone might find a low cost Power/Watt calculator useful...... <A...
Hi folks, I would be interested in starting correspondence with anyone who has had success using brushless AC servo motors in a renewable situation, be it wind...
Greetings. Tambien am interested in the generator sumergible "AQUAIR". I want to install it in the river bed of a river. We can speak of its operation when you...
francisco martin martin
pacomartin02@...
Jan 9, 2003 9:52 am
3719
... There are other very similar products on the market as well, for example: 1. The Düwi Messgeräte range...
Max Enfield
max@...
Jan 10, 2003 4:57 am
3720
Dear members, For your information, the following newsitems are added to the microhydropower.net web site: *** Develop small hydro plant on-line *** VA Tech...
Hello there, Can anyone help with a solution for a very small hydro set up between 2 and 5A at 12V. The site is a steep mountainside stream, somewhere in the...
Gabbott, Nathan
ngabbott@...
Jan 13, 2003 4:07 pm
3722
Nathan, More of an armchair caver these day's alas than I used to be (LUSS & SLUGS)! Sounds like a great idea for lamp charging. What sort of stream do you ...
Hello guys, A couple of thoughts guys: Penstock: I've run across a similar requirement in the past. At that time we used fire hose for the supply line. This...
Nathan, About your lighting problem for cave trips: You could do it like we did back in the good old days, 30 years ago now! We used carbide lamps, which run...
Melson, Lancie C.
lcmelson@...
Jan 14, 2003 12:21 am
3725
Dear Friends, I would like to know the approximate total cost of a working model(prototype) of a micro hydro power system in the range of 50-100 W or even...
Hi everyone, thanks for all the comments so far, we're charging mainly 3.6V NiMH batteries, however the generator would need to charge at 12V, as we already ...
Gabbott, Nathan
ngabbott@...
Jan 14, 2003 9:53 am
3727
Nathan; Great caving photos. E-bay has many small lightweight servo and permanent magnet motors from the medical and computer industries. I think the key is to...
Nathan, For charging your caving light batteries, if you want to go real small and real cheap, then this might work. I once built a water wheel out of an old ...
Melson, Lancie C.
lcmelson@...
Jan 14, 2003 8:42 pm
3729
NATHAN: You need a hydro for three or four weeks a year to produce around 50 watts total. Since the life of the FEMTO-Hydro-power source is so short, you could...
garciah
garciah@...
Jan 14, 2003 8:43 pm
3730
That is the first time I really got something I could totally understand (Not that I have not enjoyed other articles) . The bycycle wheel sounds awesome for...