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Old 19-07-2020, 11:37   #1
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Lightening; real or fake?

https://youtu.be/LCdIM67g3mY
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Old 19-07-2020, 11:45   #2
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Re: Lightening; real or fake?

I'm inclined to think cable short rather than lightning.
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Old 19-07-2020, 11:47   #3
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Re: Lightening; real or fake?

Cool video, but its a blasting video as you can see the fuse as it burns along the ground and then the explosion. Very curious as to where their protection equipment was, silt barriers and such as in the US that is a huge issue when working on lakes, rivers etc.
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Old 19-07-2020, 12:26   #4
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Re: Lightening; real or fake?

Welcome to the forum, Fireman.

I had read it as too fast for a fuse and too slow to be Primacord, but I'm fifty years out of date when it comes to blasting. Do you use fuses that fast nowdays? Or are they feet/second timing fuses?
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Old 19-07-2020, 15:00   #5
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Re: Lightening; real or fake?

snopes.com/fact-check/lightning-striking-a-river/
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Old 19-07-2020, 15:26   #6
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Re: Lightening; real or fake?

This video was posted by a combat engineer in the ZA military a long time ago, so pretty sure there were no EPA barriers to such shenanigans there... And yes, there is det cord feeding into the main charge in the water.


Read the snopes article which said it was a Finnish blasting company. Anyway, it got posted on a facebook page for combat engineers who have done similar things...
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Old 19-07-2020, 15:48   #7
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Re: Lightening; real or fake?

Not a bolt.


Someone in Scandinavia making access to their dock deeper.


You can see clearly when you stop and go.


I have seen a bolt hit water close to our boat (in deep water) there wasn't any kind of geyser or anything.


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Old 20-07-2020, 05:35   #8
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Re: Lightening; real or fake?

Yup, not lightning, as others have pointed out, detcord leading to a charge...still cool to watch.
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Old 21-07-2020, 07:11   #9
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Re: Lightening; real or fake?

Quote:
Originally Posted by tkeithlu View Post
Welcome to the forum, Fireman.

I had read it as too fast for a fuse and too slow to be Primacord, but I'm fifty years out of date when it comes to blasting. Do you use fuses that fast nowdays? Or are they feet/second timing fuses?
I'm only 20 years out of date - but I recall PETN detcord burned around 6500 meters per second. Which I'd call pretty fast!
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