[RE-wrenches]
Mark Downing
solarman4 at yahoo.com
Mon Dec 18 21:16:20 EST 2000
Have you used the phone number in the last couple of
years, or did you get them from old records?
I last spoke to Bob at the 1999 energy fair, and at
that time the company was essentially defunct. In
July of 1998 I hauled a set of collectors to them for
repair. The collectors are still in Chicago 2.5 years
later. The cells were NOT holding up to the heat, and
degraded fairly rapidly. (~50% in 2 years) I watched
this happen with the only Midway array I ever sold.
I've come to the conclusion that installing a set of
tracking panels with an active tracker is like taking
on a baby-sitting job. There's just too many ways for
it to fail. Zomeworks trackers are a whole lot less
trouble maintenance-wise.
Mark, HAP
--- "Jeffrey Wolfe, Global Resources"
<global at sover.net> wrote:
> David,
>
> The company is Midway Labs, in Chicago. They make a
> concentrating array
> using space grade cells. They can take the heat
> extremes, and are more
> efficient per square inch. But like any tracked
> system, you need a good
> east - west exposure. If you've got it, the pricing
> seems pretty attractive
> compared to buying modules and separate tracker.
>
> Phone number is 312/432-1796. Speak to Bob Hoffman.
>
> Jeff
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