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Spear valve control

(13)
A simple way to solve this problem is to run a 6mm nylon tube up to the measuring point and use a bubbler for level measurement. Patrick Moore Valley Mills
chilechinadollz
13
posts
Jul 12

Re: Digest Number 3940

(1)
Manfred, I like your trick with the rebar and the magnet! Our favorite method is to tie the pull string to a piece of folded-over plastic bag that fills the
Kevin Edwards
1
post
Jul 8

Re: Digest Number 3937

(1)
Martin, In controls, what I always say is that you should measure the thing that you want to control as directly as possible. In this case, you want to
Kevin Edwards
1
post
Jul 3

Micro controller

(1)
Dear vahid What is the elc for microhydropower? Best regards Bgheri Sent from Samsung Mobile
saeid.28040@...
1
post
Jun 12

Lamella turbine

(3)
Sorry to inform you that SMART HYDRO also makes them and is deploying them in S. America. I am reviewing suitable sites, based on the experience of Ocean
shababwahid
3
posts
May 15

Pro-bono opportunity for social good, travel and living expenses pro

(4)
We can help you with my welding equipment inverter 200 A DC Balmer made in Brazil and 9 inch disc makita angle grinder. We can make also microturbines or
clhfp
4
posts
Apr 25

Solution how to keep the bearings of a turbine dry

(13)
YEP ! THATS THE FATE OF SLOW-GROWING, COMMERCIALLY IMPORTANT SPECIES ..... ... From: "FRANK HELLER' fjheller@... [microhydro]"
Thomas Schuler
13
posts
Feb 27

microhydro software

(3)
Frank, ... I would say that the site you have, and the kind of layout that best fits that site, determines the type of turbine to use! Usually you are stuck
shababwahid
3
posts
Feb 23

Dealing with large silt-sand inflow

(1)
Dear all, It's been a while from my last post to this forum. Our small hydro project in Myanmar is still going on, but we are in a desperate situation in which
toshiya kudou
1
post
Feb 22

ELC survey results

(1)
Thank you to all of you who took the time to respond. The summary Most answers so far are coming from developed countries, so this survey does not give a
Thomas Schuler
1
post
Jan 27

[Fwd: Aw: Re: economy of scale]

(24)
Hi Manfred, ... Yes, you have described the reasoning for the 2 design priorities well. From my experience, both operators AND me prefer very much if the ELC
rverzola@...
24
posts
Jan 19

Raspberry Pi - 3D printing

(9)
"better or worse results" Not being discussed. The PROPERTIES of the process; adequate for the part desired or not. If the process can make a part that
kbs2244
9
posts
Jan 19

Re: Burst Disks ??

(2)
Water hammer... All the flow control valves in use are motorized and cannot operate faster than the built speed. Our 1911 plant has a push rod that rotates
Tony Goffe
2
posts
Jan 18

fw: [microhydro] re: FOR SALE ..(The thaw has started, Spring is in

(1)
... From: "Tony Goffe' tony@... [microhydro]" Sent: Tuesday, March 29, 2016 3:26 PM To: microhydro@yahoogroups.com
Tony Goffe
1
post
Jan 18

Re: economy of scale [1 Attachment]

(3)
... To clarify, with PCB I mean a fully assembled PCB. I want to do away with the hand soldering, if possible. "Naked" PCBs are not that expensive anymore.
jkftl
3
posts
Jan 16
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