Technical Discussion: Other

Have a technical RE question that doesn't fit in our other categories? Looking for some specific advice from others in the RE community? Ask it here!


Subject Started by Replies

NiCD battery

Does anybody use NiCD batteries and if so what is the largest. How do those kind of batteries differ from the lead acid ones...
Tony Butterfield 4

Li-ion for storage

Can Li-ion batteries be used or does anybody have a small setup that uses Li-ion (example:laptop battery).
Tony Butterfield 7

bicycle solar panels

I am preparing for a solo cross country bicycle trip beginning June 1. The route will follow the Lewis and Clark Trail from Asto...
Tony Baltes 1

Remote power supply needed to power heat tape.

At 11,650 feet, I have a need to keep a two feet section of pipe with standing water from freezing. I may have this wrong, but i...
Tom Van Arsdale 6

Power source at remote, high elevation, cold location.

Not to go to the well too many times, but I am told there is 20 feet of head and 50 gpm available at this 11,650 feet location t...
Tom Van Arsdale 1

DR series inverter stacking problem

Looking for anyone who's got some experience with Xantrex's DR series inverters.  I've got a ...
Tom T 12

solar hot water panel installation

I was just given 2 20 year old panels. How do I plumb them in? Closed system, on the roof, down to the garage to baseboard heat....
Tom Stonehouse 6

kids science project with solar

Iwant to help my son (10 years old) create a photovoltaic display for his science project. Unfortunately this will be inside...
Tom Schultz 3

25 gal Bray Oil 4 collector system need special seals and pump

Hello looking for a 3 speed pump with special seals either dupont Kalrez (1st choice), or Viton seals.    The ...
Tom Plantier 0

Planning 14.4 kw system w/ 24 2v Surrette and PV & integrate 15 kw diesel

We have a remote summer fishing lodge in Canada currently using 15 kw diesel on a 24/7 basis. It is often working at 100% capaci...
Tom Metzner 6

Lakota "900W" turbine mounting

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

do AGM's sulfate?

Looking for some advice-I am setting up a new battery system on my sailboat, and need your help. I'm at the point where I need t...
tom crawford 1

Homegrown solar power gable mount attic ventilation

I am reposting this in the correct forum topic. I watched the video of the gable fan install and it is very straightfor...
Todd Lyons 0

grounding a small DC/AC system?

How should I ground my system and or change it. 128 watts of PV panels with two trojan 105 AH batteries, prostar15 controlle...
Todd K 6

Can I use BUS BARS to connect batteries -- NOT cables?

I'm looking at 8 golf cart batteries (6 volt) to be connected into a 12 volt array. Looks like flat copper ba...
Todd Foster 6

economic solar water pump design

I live in the San Ildefonso Ixtahuacanm Huehuetenango Guatemala. I work with the Social Ministry of the Catholic Church in a sus...
Todd Bauer 5

need advice for a secondhand solar panel that draws 18-19v without a load

Hello all.  I have a secondhand solar panel that draws 18-19v without a load.  I don't know the amperage, but can...
Tod Emko 9


hi is there any way to disable the ac pass thought on the dr2412 so that it is just an inverter when on the batt. and a charger ...
timothy walker 0

grid tied whisper 500 turbine?

Hi. I've been recently looking to purchase a medium sized (3KW) residential wind turbine to help reduce our electric consum...
Tim Redgewell 2

new solar system

OK, where do I start. Bought a small, week long (at most) cabin/RV to use for a few weeks a year. It came with: 42...
Tim F 4

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