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Fireworks
#101081 07/02/05 06:28 AM
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TNTguy Offline OP
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We had our annual valley firework show tonight. I had to work during the evening, but fortunately I got a chance to get out for a few minutes and watch the show. The fireworks were probably about a mile away, and yet you could still hear some of the explosions at a fairly loud level. It got me to thinking, what kind of SPLs are we talking here? I mean if you were within say 50' or so of one of these high explosive fireworks? I would think they would have to be very very high. Anyone have an idea? 130 dBs? 140?

Re: Fireworks
#101082 07/02/05 12:00 PM
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shareholder in the making
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Although the crowd around you might think your some FBI agent, that would be an interesting test to bring and SPL with you. We are usually about 1/2 mile away from our town's fireworks as we have a nice few overlooking the city. It is still very loud though. You still get the slight delay, as it takes a bit for the sound to travel to us, but it is still very loud, boooooooom


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Re: Fireworks
#101083 07/02/05 12:33 PM
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axiomite
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I'd like to see what kind of SPLs the NHRA Top Fuel and Funny Cars put out during a run, those things are amazingly loud.

I'm headed up to Daytona for the Pepsi 400 this evening, if it weren't for the tight security I wouldn't mind having the SPL meter tag along but I really don't want some security guard to confiscate my RS SPL meter...that would suck.




Rick
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Re: Fireworks
#101084 07/02/05 01:37 PM
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axiomite
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It's from Radio Shack. How can anything from Radio Shack be un-American ?


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Re: Fireworks
#101085 07/02/05 01:39 PM
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shareholder in the making
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Good point Rick, I was a Mac Tools dealer for a couple of years in the midwest. As you know Mac sponsers many NHRA drivers. I believe it was in Norwalk, OH once, the event was called "Under the Lights" or something like that, it was unbelievable. Nothing like watching on TV. It would probably blow the levels off the chart....


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Re: Fireworks
#101086 07/02/05 01:44 PM
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axiomite
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In reply to:

I'd like to see what kind of SPLs the NHRA Top Fuel and Funny Cars put out during a run, those things are amazingly loud




I did think of taking my meter to the Carquest Nationals at Rt 66 this year.Maybe when I go this fall I will.They are super loud,I would think they would peg the meter.


Rick


"A fear of weapons is a sign of retarded sexual and emotional maturity." Sigmund Freud

Re: Fireworks
#101087 07/02/05 01:48 PM
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axiomite
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You know what?

I just thought of something, I'd like to yank that thing out of the closet whenever the misses is in one of her yelling moods and see how she stacks up against the 80s...I'm placing my bet on the misses.




Rick
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Re: Fireworks
#101088 07/02/05 02:34 PM
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axiomite
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>>I'd like to yank that thing out of the closet whenever the misses is in one of her yelling moods

Whatever you do, don't let her see the meter. The results would NOT be pretty... and I bet things would get even worse if you asked her to stop for a second so you could adjust the range up another 10dB


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Re: Fireworks
#101089 07/02/05 02:40 PM
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I laughed so hard at that one that I think I hurt something ...

Re: Fireworks
#101090 07/02/05 04:09 PM
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At WFO the top fuel rides are around 160 dbs within ten feet. Pro-mods are about 150.

If you think it’s cool watching / hearing them race, you ought to see and hear the engines strapped to a dyno. Now that’s cool. To be in the same little room as a 1800 hp 700 CID blown big block spinning at 7000 rpms.


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