Disney Goes Boom!
BoomZilla writes "Reading Disney's alliteratively titled Practically
Perfect Pyrotechnics introduces the latest in firework launch technology.
Gone are the 'light blue touch paper and retire a safe distance' days. Shells
are now launched using compressed air. No burning black powder means no smoke
drifting over the residential neighborhoods, plus a safer show. Best of all the
new system is more precise and can launch shells higher than black powder,
enabling spectacular new effects. An additional article:
The future of theme park fireworks
covers some of the pros and cons of compressed air launch systems." We mentioned this earlier.
My potato guns use a customized ignition like what you're describing. The guns themselves are PVC, and the ignition is a camera flash circuit wired through a car ignition coil, which goes into a spark plug. Hairspray shoots the potatoes a good 150 yards if you wedge them in there enough.
:-)
Slightly more on-topic though, a friend of mine has a real nice compressed air potato gun that has an electronically triggered poppet valve. Despite the fact that his gun cost much more and is so much more complex, mine shoots more rapidly, farther, and louder. They both get a nice cloud of smoke out the barrel after the shot though. His because of the rapid decompression, and mine because of the burning hairspray. Surprisingly, we have mutual respect for each other's designs and we don't really compete with each other so much as help with design and construction problems.
My next gun will be compressed air, and once I figure it out with PVC, I'm moving on to stainless steel to hopefully get a supersonic potato (or other projectile) gun
- "Nobody came out that night, not one was ever seen. But Old Man Stauf is waiting there, crazy sick and mean!"
When I read this article the first time, I emailed it to a friend of mine who works in the Pyrotechnics division at Disney World, and he replied saying that he didn't know what prompted them to write that article when they did -- Disney has been using that technology for several years now. Oh well, I guess old news is still news. Maybe it was just a slow news day the first time /. had that article, and an even slower news day this time...
So what? The worst environmental hazard connected to fireworks are elements like barium needed to make those colorful flames. This Disney technology won't change it.
"Long run is a misleading guide to current affairs. In the long run we are all dead." (John Maynard Keynes)
They've been hemoraging cash on movies though
Darn right: