Is there one? If so, what is it?
Noise limit for Cat 4
Started by David, Jul 29 2010 12:15 PM
2 replies to this topic
#1
David
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Moonlight Shadow
Posted 29 July 2010 - 12:15 PM
OK, interest in fireworks to be resumed in the spring. It usually is. 
#2
pyrotrev
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Pyro Forum Top Trump
Posted 29 July 2010 - 12:32 PM
It doesn't really make sense as Cat 4 material is often used at very large distances from the audience, where even a decent sized salute could only generate moderate noise levels. Besides which, who would want to measure the noise of a 16" shell at 25m? I certainly wouldn't want to risk my £750 measuring mic!
Trying to do something very beautiful but very dangerous very safely....
#3
exat808
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Posted 29 July 2010 - 04:16 PM
It doesn't really make sense as Cat 4 material is often used at very large distances from the audience, where even a decent sized salute could only generate moderate noise levels. Besides which, who would want to measure the noise of a 16" shell at 25m? I certainly wouldn't want to risk my £750 measuring mic!
No noise limit for Cat 4.
Pyrotechnic Articles (Safety) Regulations 2010 - states 120dB max for Cats 1 2 and 3
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