At my latitude 41°, the sun rises (90-41)= 49° at equinoxes. Subtract 23.5° for the Earth tilt and the maximum the sun rises at the winter equinox is 25.5°. That is about the angle of the front of my cabover
fiberglass nose piece.
I was not getting adequate charging from my other
solar panels so I decided to add two more to that face. I'll get better winter charging. While it won't contribute as much in the summer, I have more than I need that time of year.
I used 3M VHB double sided tape. (Thanks for the tip Dave) I washed the whole camper once and the front face three times, followed by washing it with a. 50/50 solution of isopropanol and water.
The wiring was easy , just end added combines and crimped a few connectors.
I plan to tape the outside edges and wires with shrink wrap tape.
Pattern used for the tape, ready to apply
Nearly done, the shrink wrap tape has not been applied which will protect the edges and prevent the wires from catching on branches.
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Fiberglass RV