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Re: What is it ??

(6)
It would help considerably if a range of heads and flows could be estimated. I wouldn't have a clue from the information given. Looks interesting! William
Tony Goffe
6
posts
Jul 27

Prototype test -water from a stream to a hose for irrigation project

(1)
Results from 1st layflat pipe prototype test - water from a stream to a hose for irrigation projects. In the picture below, the water is spraying in the near
Dave Bean (eCentral)
1
post
Jul 11

Best way to drive a 230v gererator with a 4" motor pump reversed.

(3)
Is there a pump or a water turbine that would work more beneficial in this set up?
live_at_quality
3
posts
Jun 18

Re: Forum so quiet ????

(15)
Nento, There was a guy named Archimedes (217 BC) that said that in a connected piping system water would seek it's own level. It sounds like you have a
Tony Goffe
15
posts
Jun 14

Re: Best way to drive a 230v gererator with a 4" motor pump reversed

(6)
Now ...THIS makes way more sense .. ... From: "nick malek nickm9999@... [microhydro]" Sent: Friday, June 12, 2015 4:20 AM
Rob Landau
6
posts
Jun 13

Plastic prototypes available ? Archimedes Screws and grain augers.

(3)
some modular augers from http://www.archimedys.com ... -- GIGA-Genomics core facility University of Liège GIGA Tower (B34 - 1° floor) CHU, Sart Tilman Campus
Dave Bean (eCentral)
3
posts
Jun 10

Re: Archimedes Screws and grain augers.

(3)
some people are playing with this idea https://www.youtube.com/watch?v=jwIfrIgVqZc You can buy Modular Polymer Archimedes' Screw on line for instance here
kbs2244
3
posts
Jun 10

Generator efficiency vs runner rpm

(12)
Erik, although I'm coming quite late with this, I will put some numbers to your situation. ... Translated into decent units, that's 0.32 to 1.26 liters per
Erik Friend
12
posts
Jun 10

lightning troubles

(9)
Hi Mark, Damage from lightning is most commonly caused by induction since there is no way to avoid damage if directly stroke. There are three effective
Mark Attwood
9
posts
Jun 8

Low head options - Kaplan, archimedes screw, pump as turbine

(12)
Hi Tony I'm not the owner of the Homepage hydroconnect, sorry for the inconvenience. Best regards, Thomas ... 'Tony Goffe' tony@... [microhydro]
lombardm56
12
posts
Jun 8

Re: Digest Number 3742

(1)
Regarding lightning protection for remote sensors: I convert the analog signal to one that is transmitted over Modbus TCP. I use these data acquisition
Kevin Edwards
1
post
Jun 5

Re: Site computation

(1)
Years ago, I got a program on 3" disk ..called SMHY CALC .. authored by a Mr Art Carson, Carson Electronics, Box 535, Valemount BC Canada V0E 2Z0, It was
Tony Goffe
1
post
Jun 4

Re: 3a. lightning troubles

(2)
... Hi Manfred, Your data transmission strategy [level sensor<=>PIC<=>data radios] is interesting. What is the distance range of a simple data radio ? May you
Manfred Mornhinweg
2
posts
Jun 4

Pics for downhill hose area - maybe lay flat - site info

(1)
Site info for downhill rinsing hose We have a small irrigation lake where we can release about this amount of water for the summer. This picture shows an
Dave Bean (eCentral)
1
post
Jun 4

lay flat flexible pipe resistance vs solid pvc pipe

(5)
Dave, ... To find out yourself, find the inside roughness data for both the PVC pipe and flat hose you are considering, and plug those values into the online
Dave Bean (eCentral)
5
posts
Jun 3
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