Guy-less tilt-up towers for Air turbines [RE-wrenches]

[John Raynes]

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Doug,

We've been following that development as well.  They had sent us some 
preliminary info awhile back. Before I posted my question here last week, 
we contacted SW to see if we could get pricing or detailed install info so 
we could make some cost estimates.  We were told that it's still undergoing 
testing and no further information was available at this time.

I think that their concept has promise for the Whisper turbines, and as you 
mentioned, it's designed as a tilt-up.  From the sheet that I have, it has 
a single 28' long, 430 lb. upper piece.  The delivery location must have 
the ability to off-load the tower, and access by semi-trailer is 
required.  A wee bit more than I want to deal with for a 13 lb Air machine, 
though!

Thanks for the response,

John Raynes
RE Solar
Sandy, UT


At 07:09 PM 5/3/02 -0700, you wrote:
>Hey John,
>
>   Last fall SW sent me specs and pics of a 30' freestanding tower they
>were working on, based on street lighting pole technology. It was a
>slick, attractive, tapered foldover design in brushed aluminum. They
>were wondering if there's a marketing niche for such a thing. I
>encouraged them, although the price was sorta steep, it looked great.
>Hey SW folks! Whatever happened to that project?
>
>Best regards,
>Doug Pratt
>Real Goods Technical Editor

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