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Fixed tracking is more of a sales pitch.
As long as you are kind of pointed st the sun you only give up 1% when pointed 10 degrees off true perpendicular.
As the sun is not pointed at the panels your losses drop to 50% by the time you are off by 40 degrees or so if I remember correctly.
There is a mathematical equation to figure it out, I used to know it.
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1984 chevy suburban, custom made 6.5L diesel turbocharged with a Garrett T76 and Holset HE351VE, 22:1 compression 13psi of intercooled boost.
1989 firebird mostly stock. Aside from the 6-speed manual trans, corvette gen 5 front brakes, 1LE drive shaft, 4th Gen disc brake fbody rear end.
2011 leaf SL, white, portable 240v CHAdeMO, trailer hitch, new batt as of 2014.
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