AWP36 and Wind Machine's 101 [RE-wrenches]

[hugh piggott]

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At 8:13 am -0700 11/7/01, Michael Welch, Home Power wrote:
>Carl Emerson wrote at 12:00 AM 07/12/2001 +1200:
>
>>Use a high tensile steel wire down through the length of the pole 
>>bolted at the
>>bottom and attached to the rotating frame at the top. The machine will turn
>>freely maybe five revolutions before flicking back. This method has been used
>>very successfully on the Clark machines here in NZ for some years. 
>>This puts no
>>strain on the cable.
>
>I'm no wind weenie, but not too bad on mechanics. Seems to me this 
>scheme could keep a machine from turning fully into the wind as it 
>gets close to that fifth or final turn on the cable. Result? -- lost 
>watts.

Or worse, it could stop it turning away from the wind.  Result? overspeed.

This would not be a good plan for a sideways furling wind turbine 
(whispers excepted ...  no maybe even angle gov. whispers too).
-- 
Hugh

http://www.ScoraigWind.co.uk

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