Panel Tilt angle ??
I'm now in Quartzsite for a few months, and using my tilt bars for the first time. but can't really decide what angle to use. Right now all 3 panels are different angles,.....kinda ugly. Others here ...
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I had accounted for declination in my calculation.
This is a good article in finding the best angle. Table 1 shows tilt angles for different declinations at 32 deg latitude. At -23 deg solar declin., using different models they get angles from 51.8 to 58.9 degrees. My calculation fits right in there!
This is a good article in finding the best angle. Table 1 shows tilt angles for different declinations at 32 deg latitude. At -23 deg solar declin., using different models they get angles from 51.8 to 58.9 degrees. My calculation fits right in there!
BFL13 wrote:Salvo wrote:
Interesting, some 8 years ago I designed my winter tilt for Quartzsite (Lat = 33.43 degrees).
There's a few different methods to calculate tilt angle. Some very simple (for winter):
1. latitude + 15 deg = 48 deg
2. 0.9 * latitude + 29 deg = 59 deg
I use a more complicated calculation and got 56 deg.
It is mostly about the Declination that day, which changes about 8 degrees a month going up and down over a six month period, changing about 23.5 degrees every three months. EDIT however it is not linear as is shown above--good post showing that!! :)
