On Sun, Feb 2, 2014, at 11:04 PM, RussellMc wrote:
> >
> >
> > > :: Sort of. It takes less hardware to mount an array of many panels
> > > :: that way.
> >
>=20
> For small arrays. For large arrays where you have more freedom of
> positioning and mounting, it should be about the same either way.

How so? I'm thinking of the typical way that solar panels are mounted on
a roof. The mounting rails go sideways since the rafters in the roof are
"vertical"(run from eaves to ridge). For each two rails you fit as many
panels as you can, and that will be in "portrait mode". Even if you have
a really tall roof it still uses the least hardware because it needs
fewer rails.

But if it's not a roof and you run the rails vertically then the panels
would be "landscape mode". With a roof that has rafters you are stuck
with the rails running horizontally. Or am I missing something?

Cheerful regards, Bob

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