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Re: Trigonometry problem
Thanks for the links, Mr. 55 :) I also found this: The following formula is used to calculate the length of a shadow cast by an object. L=H/tan(a) * Where L is the length of the shadow * H is the hei…1 · -
Re: Automatic control of off grid mini split A/C
Just saw your post today. I'm starting the third season on my (and my girlfriend's) mini split. Absolutely no problems with either. I feel that controlling them via the AUX relays is a must.for an of…1 · -
Re: Adding wind generator to solar array
Allow me to get this thread back on track, that is, bashing small wind power, one of my favorite pastimes. :p The NREL 30 meter wind chart for your area shows an average annual wind speed of 4 m/s or…1 · -
Re: Automatic control of off grid mini split A/C
I'm near Terlingua and Big Bend National Park. You're right about the lots of sun. I keep careful records, and during a typical calendar year I can count on one hand the number of days my batteries …1 · -
Automatic control of off grid mini split A/C
I posted a couple of questions previously about controlling air conditioners via the AUX function of an inverter. I have since installed two mini split units and have set up the automatic controls on…1 ·