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Re: Links don't work for me [message #318188 is a reply to message #318186 ]

Wed, 30 April 2008 18:29

Tim Palmer
Messages: 17
Registered: March 2008
Location: Florida

Here Often

These guys are in Florida , looks like they can build about anything.

http://www.sigmaservices.com/

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Re: what are these and where do i get them?? *Editted* [message #319553 is a reply to message #318099 ]

Mon, 05 May 2008 03:06

neil juneja
Messages: 8
Registered: September 2007
Location: seattle

Newbie

Those aren't just standard scanners, they're technobeams. Still a very competitive fixture, imo. And damn reliable and durable. Will require less maintenance than any martin ever built and amDJ, chauvet, etc can't even compare as far as build quality.

www.SakuCollins.com

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Re: Links still don't work for me [message #320567 is a reply to message #318178 ]

Wed, 07 May 2008 15:16

Scott Raymond (Scott R) is currently offline

Scott Raymond (Scott R)
Messages: 1048
Registered: April 2004
Location: South Central NE

Has No Life

Mac Kerr wrote on Wed, 30 April 2008 18:00

Travis Riddle wrote on Wed, 30 April 2008 18:51

they were both links to pics on Club La Vela's my space page.

So... It doesn't matter what they were, they still don't work. They take me to http://www.myspace.com and no further.

Mac

Mac,

I think you have to be logged in. At least that's what it says for me as I've never messed with registering at myspace and it happens when I try to look at any pics.

Scott Raymond index.php/fa/10060/0/

ssray AT gtmc DOT net
Trinity EFC
Funktion Audio
Phelps County PAC

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Re: Links still don't work for me [message #321269 is a reply to message #320567 ]

Fri, 09 May 2008 15:08

jeffhtg (Jeff Kenney) is currently offline

jeffhtg (Jeff Kenney)
Messages: 568
Registered: April 2004
Location: Orlando

Has No Life

there used to be a couple companies that made a non-moving solinoid based nozzle for co2 and nitrogen.. nitrogen does NOT replace the air we breath - and therefore is much safer in some smaller nightclubs.. That effect on the truss is "cyro" which can be a co2 or nitrogen burst system.. it blows extremely cold "fog" in short bursts.. a cool effect!

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Available Oxygen [message #321289 is a reply to message #321269 ]

Fri, 09 May 2008 16:42

Mac Kerr
Messages: 5806
Registered: April 2004
Location: Westchester County, NY

Has No Life

jeffhtg (Jeff Kenney) wrote on Fri, 09 May 2008 16:08

How can CO2 replace the air, but not nitrogen? They are both gases that are filling the space, and changing the oxygen to inert gas ratio. They both entail the same dangers in a small environment. Neither is poisonous, but both decrease the amount of available oxygen.

Mac

[Updated on: Fri, 09 May 2008 16:43]

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Re: Available Oxygen [message #321300 is a reply to message #321289 ]

Fri, 09 May 2008 17:11

Tim Palmer
Messages: 17
Registered: March 2008
Location: Florida

Here Often

From Wikpedia.....Rapid release of nitrogen gas into an enclosed space can displace oxygen, and therefore represents an asphyxiation hazard. This may happen with few warning symptoms, since the human carotid body is a relatively slow and a poor low-oxygen (hypoxia) sensing system.[8] An example occurred shortly before the launch of the first Space Shuttle mission in 1981, when two technicians lost consciousness and died after they walked into a space located in the Shuttle's Mobile Launcher Platform that was pressurized with pure nitrogen as a precaution against fire. The technicians would have been able to exit the room if they had experienced early symptoms from nitrogen-breathing.

Direct skin contact with liquid nitrogen causes severe frostbite (cryogenic burns) within seconds, though not instantly on contact, depending on form of liquid nitrogen (liquid vs. mist) and surface area of the nitrogen-soaked material (soaked clothing or cotton causing more rapid damage than a spill of direct liquid to skin, which for a few seconds is protected by the Leidenfrost effect).

http://en.wikipedia.org/wiki/Nitrogen

[Updated on: Fri, 09 May 2008 17:15]

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Re: Available Oxygen [message #321307 is a reply to message #321300 ]

Fri, 09 May 2008 17:54

Tom Weber
Messages: 55
Registered: February 2008
Location: NY

Should Get Out More

Maybe the poster was thinking of Carbon Monoxide (where nitrogen would be safer... but not necessarily safe)? Any gas introduced into an enclosed space will have the potential to be deadly. Adding a non-toxic inert gas will reduce the fraction of oxygen in the air, and thus decrease the partial pressure of oxygen in each breath. Addition of large amounts of oxygen could potentially lead to Oxygen toxicity (http://en.wikipedia.org/wiki/Oxygen_toxicity). Basically, if the space is small, be careful how much gas (other than air) you pump into the space.

Thomas Weber
Cornell Productions
Production Manager

http://www.activities.cornell.edu/cp

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Re: Available Oxygen [message #321395 is a reply to message #321289 ]

Sat, 10 May 2008 06:58

len woelfel
Messages: 404
Registered: April 2004
Location: Chicago

Has No Life

Any good cryo system will have oxygen sensors built into it. They should disable the cryo system long before the air quality would become dangerous.

And IMO, cryo systems are like strobes. They should be used sparingly as a big effect. Use them too much and they lose all their impact.

630-675-3640
http://www.chicagolightingdesign.com

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Re: Available Oxygen [message #321493 is a reply to message #321395 ]

Sat, 10 May 2008 14:46

Travis Riddle
Messages: 67
Registered: April 2008
Location: Tyler, Tx

Should Get Out More

this video shows these units in action with people on the dance floor.....

http://youtube.com/watch?v=6luS1XnMcTc

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