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This was quite shocking.....apparently..

A

Alan K

Well-known Member
Through all the storms that came through Saturday there was some lightning.....glad it wasn't any closer to me.
a160322.jpg

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Not sure. The blades are fiberglass. It would be interesting to actually "see" it happen...maybe..lol.
 
It was kind of neat to see them assemble them when they were first built. The cranes used a large sock to put the blade in to hoist it up. If I remember right they put them on the bottom, turn it and then put on the next and then the next.
 
Years ago we lived at the bottom of a hill with a TV tower at the top. Many times Dad would set out on the porch and watch lightening hit the top of the tower, but it never did any damage like that. About the "worst" he saw was it hitting and then watching balls of electricity run down the guy wires to the ground. Still, no damage like that. I would have love to have been close enough to see how that happened, but far enough away that it didn"t cause me to have to change my britches....LOL
 
There are 2 cable towers on opposite sides of the farmyard in ND and a stand-alone tower just across the road. After lightening struck one of the cable towers, we would find dead birds on the ground with their chests exploded wide open.
 
I don't know what I thought would be in those blades, but I didn't expect plywood and 2x4's!

Figured it would have been some kind of space age materials.

... come to think of it - didn't the "space age" die in the 70's? So maybe plywood IS a space age material.
 
The windmills in my area had that problem until they replaced the old blades with blades with ground straps in them. Haven't seen any blown apart for several years since then so the ground straps must work. Jim
 
(quoted from post at 03:28:45 06/16/14) There are 2 cable towers on opposite sides of the farmyard in ND and a stand-alone tower just across the road. After lightening struck one of the cable towers, we would find dead birds on the ground with their chests exploded wide open.
Click to expand...

That happened to a soldier at Ft Knox when I was stationed there. They explained it to us. Apparently the lighting "cooks" any flesh and blood thing it hits if it's a big enough strike almost instantly. The moisture in the lungs turns to steam instantly and the chest cavity explodes.

Rick
 

The carbon composite blade de-laminated. There is a shop in Goderich Ontario that performs non destructive testing of blades and repairs the weak or damaged sections.
As for anybody that "wants" wind turbines. Think again. a mile downwind is lots close and two miles upwind is plenty close.
The noise and flicker is troublesome.
 
That was one BIG bird!
I hear they can fly fast when lightening scares 'em! <wink>
 
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