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Search: Posts Made By: redrok
Forum: Solar Heating 03-12-20, 01:51 PM
Replies: 38
Views: 6,829
Posted By redrok
Hi menaus2; I would like to hear how much the...

Hi menaus2;
I would like to hear how much the collector costs?
I suspect electric PV panels cost much less for an equivalent system.
Your 5000btu/hr = about 1465W of power.
PV panels are quite...
Forum: Tools 11-20-19, 12:56 PM
Replies: 6
Views: 3,879
Posted By redrok
Hi Daox; I do a lot of electronic design, I...

Hi Daox;
I do a lot of electronic design, I have both low end and high end power supplies.
It depends on what I'm working on. Here are a few things to look for:
1. The relatively cheap Chinese...
Forum: Solar Power 09-06-10, 06:26 PM
Replies: 237
Views: 179,398
Posted By redrok
Solar tracker

Hi Dave, Rich, and All ;

(Sorry, but I don't have link posting privileges yet.)

The DG280 is a nice rotary actuator:
redrok(dot)com/led3xassm.htm#dg280
This is rated at about 23ft^2....
Forum: Solar Power 09-06-10, 10:46 AM
Replies: 237
Views: 179,398
Posted By redrok
Tracking Issues

Hi Xringer and others;

First:
It seems that you are not understanding what is going on when the LED3X tracker is not aimed directly at the sun.

The LED sensors are integrating the light from a...
Forum: Solar Power 03-09-10, 11:28 PM
Replies: 237
Views: 179,398
Posted By redrok
Hi All; As far as I can tell the efficiency...

Hi All;

As far as I can tell the efficiency ranges from
about 4.5% to 6%.

This seem very low compared to poly or mono crystalline
silicon at 15% to 18%.

I suppose they are nice if you have...
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