June Chat Thread
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FTE Leadership Emeritus
Joined: Aug 2007
Posts: 42,085
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From: Lakewood, Ca.
The Howitzer would be more fun, but I guess that set-up makes more sense.
Those snow mantles are always looking for sympathy. It gets old after a while.
Originally Posted by effect#3
an indirect sympathetic effect on the adjacent snow mantle
Hotshot
Joined: Aug 2006
Posts: 17,398
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From: Whittier, CA
The video shows a couple of ignitions. Pretty cool.
Also, the outhouses had a door up high that was obviously positioned for offloading from a truck. That would be for unloading the propane and oxygen cylinders.
Also, the outhouses had a door up high that was obviously positioned for offloading from a truck. That would be for unloading the propane and oxygen cylinders.
FTE Leadership Emeritus
Joined: Aug 2006
Posts: 47,280
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From: DELAWARE, The First State
Okay!!! Found it.
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.
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.
Thread Starter
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FTE Leadership Emeritus
Joined: Aug 2007
Posts: 42,085
Likes: 6
From: Lakewood, Ca.
Easy there....I gotta share a room with the guy this August 
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FTE Leadership Emeritus
Joined: Aug 2006
Posts: 47,280
Likes: 172
From: DELAWARE, The First State
