Technical

Have a specific technical question? Looking for some specific advice from others in the RE community? Ask it here!

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Subject Started by Replies

Hybrid System


HiI would like to know which of the charge controllers will support a hybrid system (Solar Wind Turbine) RegardsALex
Alejandro Gonzalez 1

Considering Solar/Wind systems


I live in the upper midwest and am considering solar/wind systems to help heat/cool my home.  I am unsure how to proceed. &...
Terri Ayers 2

Micro Hydro....Flow vs Head


First time here on this site....I have a good sized creek on my property: 10-20' wide, avg depth 6"-1' (normal year round). My q...
Rick Dabe 2

Am I a candidate for hydroelectric power?


I've got an artesian well next to my house that puts out 35 gpm.  I have it piped to a creek that is 70 yards from the hous...
Matthew Adcock 1

absorber plate for (fiberglass?) solar water heater?


A couple years ago I received 4 used solar water heater panels for free. They appear to be constructed of some kind of white fib...
E B 1

24V Solar panels, use on 12V?


I wired up a group of older solar panels in 24V configuration.  This is at a remote location in Bahamas.  Homeowner ne...
Lee Haefele 4

Settings


I have eight S-460 Rolls Batteries in a 24volt system. What Bulk and Float settings should I be using?
Rich Hart 1

Battery Cable size

« 1 2 »
I've used your Wire Sizing: A Practical Guide to determine battery cable sizing and I would like your opinion if I sized it corr...
Gary Miller 5

Reflective Sheet Steel


What would it take to coat sheet steel with a silvered surface?  I have a variety of solar reflector that I would make out ...
Paul Klinkman 0

Solar Power needs


http://www.blackanddecker.com/ProductGuide/Product-Details.aspx?ProductID=2500I am looking for ideas on what to purchase to rech...
Joe Nemecek 1

evaporative cooling


I am trying to source an evaporative cooler to run on 12V or 24V DC from solar power (max 500W0.This is either to cool a 4.5M3 b...
Martyn Lovell 3

PV Drainback Solar DHW


I'm seriously considering a drainback DHW system but want a PV powered pump to avoid the penalty of AC power.  However, I'm...
Jeff Butera 1

Can I use batteries while they're charging?


LAST EDITED ON Apr-19-06 AT 08:49 PM (EST)
Ian Wood 2

Xantrex 1500 + Solar Panel - HOW?


I want the Xantrex 1500 backup system (I have and love a smaller system that I use via Grid charge). But this time I want to cha...
Katherine Sainz 3

"Off Grid" refrigeration


Recently I purchased an EZ-Freeze 19 cubic foot refeigerator/freezer. Here is some of the math that led to our decision.Danby - ...
Thomas Allen Schmidt 0

Lakota "900W" turbine mounting

« 1 2 »
I wonder if anyone can tell me what pipe size is required to mount one of the subject turbines on.  It looks like I should ...
tom doyle 6

outback mx-60


I am thinking of replacing my Solar Boost 50 with an Outback MX 60 so I can run 48v from my panels to my 12v bank rather then 24...
Brock Neverman 1

Question about Solar Panels Mounting


I'm working on designing a small (~1.5kW) solar system that will help "turn back the clock" on my meter.I have a garage wall (no...
Dmitry Aniskovich 1

Wind Turbines..


Hello,I have a couple questions about wind turbines. I'm considering the Whisper 500.Are there towers for wind turbines that don...
Richard Northrop 2

Install solar panels


I have 3 panels 64 watt ea, 2 unisolar & 1 solarex. 12 volt system. how do I wire panels to J-box located about 20" from first p...
Bill Palmer 0
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