Wind tower engineering [RE-wrenches]

[John Blittersdorf, Cent. VT Solar & Wind]

Roy,
   You are right about the Bergey Towers.  I have a BWC1500 on a 6" dia tilt 
up tower and it is the sweetest system I have ever had the privilege to 
install.  I'm looking forward to installing a lot of XL.1's this summer.  
This particular unit (BWC1500) is in it's third reincarnation having first 
been the test unit for the tower made by NRG Systems for Bergey.  It is an 
84' tower and can be installed in about 4 hours.  We raised it next to the 
parking lot at the Sheraton Inn in Burlington VT for the AWEA conference. 
(unfortunately the wind did not blow all week)  It took 2 hours to screw in 
the anchors and another hour and a half to raise it.  Removal took 1 hour and 
15 min flat.... packed into a van.  As I am typing tonight I am cruising on 
wind power with up to 46 amps at 24VDC during the gusts and generally 
breaking even running the whole house.  I have a poor wind site, but it kicks 
in on occasion to give me some entertainment.  It's always a pleasant 
surprise when you go to bed with depleted batteries and wake up to 100%.

John Blittersdorf
Central Vermont Solar & WInd

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