June Chat Thread
Hotshot
Joined: Aug 2006
Posts: 17,398
Likes: 317
From: Whittier, CA
FTE Leadership Emeritus
Joined: Aug 2006
Posts: 47,280
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From: DELAWARE, The First State
Has to be something to measure the earth's movement don't you think?
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Hotshot
Joined: Aug 2006
Posts: 17,398
Likes: 317
From: Whittier, CA
I believe this is correct. I'm still searching for more info. But I believe they are creating sonic waves using compressed air to start avalanches in a controlled manner. This would be a modern alternative to shooting howitzers at the mountainside from down below. There are still signs up there warning people that exposives may be used. I think duds left over into the summer is the biggest concern with the projectile method.
If you are down in Lee Vining looking up at the slope directly behind town, you can see the threat.
If you are down in Lee Vining looking up at the slope directly behind town, you can see the threat.
Hotshot
Joined: Aug 2006
Posts: 17,398
Likes: 317
From: Whittier, CA
BTW, I don't think we need to read my strategy. I have an issue that is going to have to be repaired. At least I'm pretty sure. Doesn't really matter what current strat.
Hotshot
Joined: Aug 2006
Posts: 17,398
Likes: 317
From: Whittier, CA
Believe or not, those things are called Gaz-Ex.
Gazex, avalanche equipment, avalanche safety - TAS
I was essentially correct, except that they add propane to the oxygen to create an actual explosion that is directed at the snow plane. I couldn't see how they could get enough shock wave from simply compressed air. The propellant gas explains it. It also explains why the hoses leading from the outhouses to the cannon are yellow colored, which is code for buried gas piping.
I didn't see what I would recognize as an igniter, but it must be hidden in the cannon barrel.