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Intake screening woes
(30)
Hi all, This has been the best thread on the forum in ages - thanks Manfred. Do you know how your new arrangement works during flood conditions yet, or just
Manfred Mornhinweg
30
posts
11:39 AM
Re: Running water through a rotating drum screen
(1)
There are dry sifters which might work. Essentially you'd run your penstock flow through a large rotating screen drum.put some fins on it so the water causes
FRANK HELLER
1
post
Apr 17
Re: Intake screening woes...
(1)
If a settling basin or an intake in a concrete column located below the surface of the water, then I'd stop fighting nature And consider installing an
FRANK HELLER
1
post
Apr 15
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Re: Digest Number 3606
(1)
Dear Manfred, I too am very interrested in finding a solution to this problem. I have a system with similar head and flow to yours (turgo with 40 L/ second and
Mark Attwood
1
post
Apr 13
pelton turbine
(6)
Dear Shabab, As allways you have special works. I think your source will have: For ng=1500 rpm: Dt=425 mm, dnozzle=45mm, Pt=280 kW, Pg=250 kW , 19-20 nozzles
Wim Klunne
6
posts
Apr 12
14th annual African Utility Week and Clean Power Africa
(2)
Boy, we are getting to see what our major players look like , step by step ..Thanks Wim !!! ( Nando remembered !!) I always thought that Wim was located in the
Wim Jonker Klunne
2
posts
Mar 15
Permanent Magnet Generator
(21)
Speaking of the efficiency of direct drive: I know a pelton wheel that generates no electricity -- it is directly connected to the drive shaft of a "Gentle
Patrick Moore
21
posts
Mar 9
pico hydro electricity generation
(2)
Dear Patrick, I am not sure how big is the stream that you have at site. But based on you data 70m head, flow 3s/l this can only have +- 2kw or 1.2kw. your
Syayipuma Ndungu Patrick
2
posts
Mar 2
(no subject)
(2)
Syayipuma Ndungu Patrick, You have been trying? Is that meaning that you didn't get it? We are available for help. Regards, Angel L. Ricardo - President RECA -
Syayipuma Ndungu Patrick
2
posts
Feb 16
CONDOLENCE
(4)
Hey Art, The truth is that you have remained out For a very long period. Nando kept The group updated about his illness, he Was a kind of deteriorating and
tumwine eldadi
4
posts
Feb 16
turbine suggestions?
(14)
I've seen your blog, years ago, and am envious of the head you have available. I could actually come up with a split case pump fairly easily but am afraid that
travis12804
14
posts
Feb 9
Why not auto turbocharger re-purpose
(3)
Thanks. That will get me going in the right direction. Can I assume that an auto one will work as a proof of concept? They are pretty easy to get.
keith saxe
3
posts
Feb 8
Re: turbine suggestions?- ron macleod
(1)
GROUP - Like Gary I too am backing down on small turbines - IÆll build a few under the right circumstances - Unfortunatly the two young ôCad Monkeysö I gave
Cameron MacLeod
1
post
Feb 4
Re: turbine suggestions?- ron maccleod
(1)
google Ron MacLeod hydro and find some interesting articles about him and his projects, and also his web site... waterturbine.com for nautilus turbines!
James Fackert
1
post
Feb 3
Re: passing away of group member Nando
(17)
Tom, found your reply in my spam folder. My trouble with a diesel gen is I live beyond the end of the road. A quad runner trail dropping 1200 feet into a
FRANK HELLER
17
posts
Jan 31
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Pump on hydro
(14)
Manfred and all, Very interesting your brief note about the two Chilean grid systems: SING at north and SIC at center-south. More thermal than hydro at SIC
David Kalugin
14
posts
Jan 31
Shipping batteries overseas by ocean cargo - Manfred
(4)
I have little experience in overseas shipping but I have an associate that has shipping experience. He ships supplies overseas and regularly items become
William Lewis
4
posts
Jan 26
Re: passing away of groupmember Nando [1 Attachment]
(1)
Great photo Brian...... ... From: hoffmanbl@... Sent: Tuesday, January 14, 2014 3:14 PM To: microhydro@yahoogroups.com Subject: [microhydro] RE: passing
Tony Goffe
1
post
Jan 25
Generator
(12)
David Make sure your hydro could  spin the generator at the same speed like the engine. A car generator has an automatic cut in and cut off , For example 
Akin Akinrogunde
12
posts
Jan 24
Re: Digest Number 3573
(1)
Hi Joel, I have a similar (but smaller) setup to yours, but am grid-tied and use the grid as a battery. I have thought about similar possibilities for going
Mark Attwood
1
post
Jan 21
pump on hydro
(8)
Hello Thanks for the reply The pump is 12 volt draw is 1.9 volt Thx David Sent from my iPhone ... Hello Thanks for the reply The pump is 12 volt draw is 1.9
David Kalugin
8
posts
Jan 20
passing away of groupmember Nando
(47)
IVery Sa, I don't participate OR CONTRIBUTE much but I do read everybody's email ...... however, whenever I see Nando's response in my inbox  to somebody
Wim Jonker Klunne
47
posts
Jan 17
Re: THE PASSING OF GREATNESS....
(2)
ALMOST POETIC !! Thanks, Tony, for the lovely words and thoughts. I'm sure we all agree. J. Kessler Ft. Lauderdale In a message dated 1/15/2014 11:47:39 P.M.
Tony Goffe
2
posts
Jan 16
Hydraulic efficiency
(1)
Dear colleague, After testing a turbine, rotational speed (omega) and torque on the shaft (T) has been measured. The effective head (H) on the turbine can be
playmaster_a
1
post
Jan 14
Nando Passing
(1)
Wim I just return from remote place, surveying several microhydro sites where no internet network. So supprised to know Nando Passing. May his soul rest
Nento Luki
1
post
Jan 14
(no subject)
(2)
We joint tho his family and we praid to God for his peace and rest.pb
Bovic KILUNDU
2
posts
Jan 12
Plz help
(6)
Here's a good start:
David Kalugin
6
posts
Jan 12
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Nando's passing
(1)
I was very sad to hear about Nando's passing. He helped me when I was designing my 5kW unit. So much knowledge gone. We will all miss him. Rex Zietsman ...
Rex Zietsman
1
post
Jan 12
Electric Governing System in MHP.
(6)
Dear Mr. Sagar, We have made one water flow controller and it is installed in Nagaland. We are using proximity sensor for sensing RPM and gives appropriate
Sagar Mani Gnawali
6
posts
Dec 26, 2013
Happy holidays and Bafila updates
(2)
Nice dude! On Wednesday, December 25, 2013 3:02 PM, CISSE wrote:   Long time no see, I wanted to wish everyone happy holidays and give you
CISSE
2
posts
Dec 25, 2013
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