Calvin
 
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T-135 Recording

Wed Jul 05, 2006 9:46 pm

http://www.youtube.com/watch?v=Wt_iVwqChEI

Sorry it took so long, the internet was acting up, and Comcast was in the area working on it
^_^

PhRed
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Wed Jul 05, 2006 10:56 pm

Two Questions and one Observation (which I'll bet is wrong):

Q1: Approximately how far away were you from the T135? My understanding is that one of these bad boys can be heard from *at least* 10 miles away. (We have none of these here in relatively tornado-free New York State.)

Q2: Am I right in guessing a T128 for the other siren?

O: With a bit of careful listening, I could've sworn that this was a Cyclone. The *barely* audible spin-up and the more easily discernible wind-down sounded quite sudden for a T135.
Far be it from me to say you're wrong in what you've ID'd. I'm just a bit stunned that a T135 can spin up and down so quickly.

Excellent clip. Would there be any way you can shoot me a simple audio file of it?

*Edit*: It has to be a T135 because of the shifts in volume from the siren; and only a rotating model can create that impression in a recording. On the other hand, Cyclone C-125's, which sound just like T135's, are omnidirectional like, say, a Federal STH-10.

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Gil
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Wed Jul 05, 2006 11:24 pm

its definitely a T-135.

Calvin
 
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Thu Jul 06, 2006 12:56 am

Answer 1) I am 2 miles away from it

Answer 2) I'm not sure...

And 3) Yeah it's a T-135, I go past it all the time
^_^

PhRed
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Thu Jul 06, 2006 1:36 am

Thanks all.

Given that it is a T135, the motor it's running on must be hella powerful. I've heard other T135 recordings that are decidedly slower both on startup and coastdown; and I would imagine that the standard motor used to power one of these is already fairly hefty.

Apologies for my vague terminology, as I'm not an electronics buff.

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SirenMadness
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Thu Jul 06, 2006 1:40 am

The main motor is rated at fifty horsepower. It winds up slower because it is a three-phase motor; it winds down slowly because the rotor is around twenty inches in terms of the diameter, it is quite heavy.
~ Peter Radanovic

Brendan Ahern
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Thu Jul 06, 2006 6:13 am

what town was this in?

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Archon
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Thu Jul 06, 2006 7:28 am

N/A
Last edited by Archon on Tue Aug 08, 2006 6:42 am, edited 1 time in total.

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Gil
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Thu Jul 06, 2006 2:37 pm

Brendan Ahern wrote:what town was this in?
Bartlett, Illinois

Calvin
 
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Thu Jul 06, 2006 5:49 pm

Anyone who wants an audio clip can


AIM me (CJS7070)

or eMail me ([email protected])
^_^

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