- Thread starter Geo-TH,In
- Start date
fixerupper
Well-known Member
The windmills west of me used to get blades blown apart by lightning but there was no fire. It was a common sight for awhile. Then they replaced those blades with grounded blades and since they did that I haven t seen any more lightning damage. I don t remember any fires caused by lightning but that is not saying it didn t happen.
fixerupper
Well-known Member
The windmills by where I live were put up 20 years ago using technology from California where lightning is uncommon. Here in Iowa it s a different story but the blades are all changed to more modern designs by now.
Hay hay hay
Well-known Member
Or when a tornado hits a community?
john in la
Well-known Member
Looks pretty trivial when compared to what happens when a tree gets hit by lighting.
gene bender
Well-known Member
how do you ground a fiberglass blade
Jim.ME
Well-known Member
- Location
- central ME
On method is putting metal (copper, etc.) pads on the tips of the blades and running conductors from those to the ground using a slipring at the hub. Same idea as lightning rods on buildings.
Timmycornpicker
Member
- Location
- Almost Pennsylvania, New Jersey.
That's all true. Anyway, current plans are to build a bunch of windmills off the Jersey shore. Those things sticking up out of the water would be giant lightning
rods. This year is a drought summer so there hasn't been much weather activity but in a typical year there are a lot of thunderstorms along the coast. If the
engineers haven't figured anything out to counteract the strikes, I wonder how the offshore system can stay viable?
rods. This year is a drought summer so there hasn't been much weather activity but in a typical year there are a lot of thunderstorms along the coast. If the
engineers haven't figured anything out to counteract the strikes, I wonder how the offshore system can stay viable?
Those pointy blades with grounding wires in them would really drain? atmospheric charges building and avoid big lightning strikes, so it would be safer around them, I would think. But now you don't dare fly kites just anywhere you wanted to! Another Important Freedom Lost! There oughta be a law........snicker.
Timmycornpicker
Member
- Location
- Almost Pennsylvania, New Jersey.
What we need is a gigantic battery under the windmills to catch the energy from that lightning . . . . Where's Nikola when you need him?
old
Well-known Member
- Location
- Camdenton Missouri
If civilian nuke power plants where run like the one the Navy has there wouldn't be any problem, but they run them at Max and even then push them a bit more
On draining the charge before it self discharges via a lightening bolt, I read somewhere, years ago that the lightening rods that used to adorn the roofs of 20th century farm houses were not to dissipate lightening to protect the house, but to bleed off the charge before it built up to a dangerous potential. Makes sense because even though some were built of 1 material, considering the energy dissipated in a good strike, it would blow that conductor to pieces I would think.......comments?
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