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Hacksaw
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A siren explodes during testing

Thu May 25, 2023 3:44 pm

A Bullard siren exploded during testing, in 1941:

https://www.newspapers.com/article/cont ... 125059343/
Last edited by Hacksaw on Sat Jul 22, 2023 10:19 pm, edited 1 time in total.

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Re: A siren explodes during testing

Fri May 26, 2023 12:47 am

What model is it, I really want to know as it said more about the injured than the actual siren.

Reminds me of the video where an STL-10 blew up during testing.

Video:
https://www.youtube.com/watch?v=U2XX3AUbEo8

NOT MY VIDEO!
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Re: A siren explodes during testing

Fri May 26, 2023 11:11 am

Probably had a casting flaw. Decot had a large pit that he would lower each siren into for testing just for the this type of failure. Asc has a similar sound-proof enclosure
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Re: A siren explodes during testing

Sat May 27, 2023 4:10 am

jerrylovessirens wrote:
Fri May 26, 2023 11:11 am
Probably had a casting flaw. Decot had a large pit that he would lower each siren into for testing just for the this type of failure. Asc has a similar sound-proof enclosure
....As far as the explosion goes, would this be along the same lines as a clutch exploding in a manual transmission during high r.p.m's such as in a racing environment.
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Hacksaw
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Re: A siren explodes during testing

Sun May 28, 2023 1:45 am

It was a Bullard siren.

Many years ago, speaking with one of J. N. Hedberg's workers, said they had a big siren, like the ones in my avatar, where the rotor/impeller maker had ran out of metal for the casting, had to melt more metal, then finished the casting. It also exploded during testing.
Last edited by Hacksaw on Sat Jul 22, 2023 10:20 pm, edited 1 time in total.

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Re: A siren explodes during testing

Sun May 28, 2023 8:55 pm

Hacksaw wrote:
Thu May 25, 2023 3:44 pm
A Bullard siren exploded during testing, in 1941:

https://www.newspapers.com/article/cont ... 125059343/
Hold on a minute...

So we obviously know that nowadays it is E.D. Bullard, but something struck me as a bit weird here. If you look closely, you can CLEARLY see that it says: "W.D. Bullard". Could this be an error when it was written, or does this mean that it originally stood for something else?

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Re: A siren explodes during testing

Sun May 28, 2023 8:56 pm

TheSirenFan wrote:
Sun May 28, 2023 8:55 pm


Hold on a minute...

So we obviously know that nowadays it is E.D. Bullard, but something struck me as a bit weird here. If you look closely, you can CLEARLY see that it says: "W.D. Bullard". Could this be an error when it was written, or does this mean that it originally stood for something else?

I had noticed this myself. I have a feeling it was a missed typo.
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Re: A siren explodes during testing

Sun May 28, 2023 9:22 pm

On most keyboards, the E key is right next to the W key. I'm 99% certain W.D. Bullard was a typo.

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Re: A siren explodes during testing

Sun Jun 04, 2023 4:56 am

Woah mate the service drop exploded by the looks. Wires heated up and melted together perhaps?
clarksburg_1000t wrote:
Fri May 26, 2023 12:47 am
What model is it, I really want to know as it said more about the injured than the actual siren.

Reminds me of the video where an STL-10 blew up during testing.

Video:
https://www.youtube.com/watch?v=U2XX3AUbEo8

NOT MY VIDEO!
Just because you are right doesn't mean I am wrong.

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Re: A siren explodes during testing

Tue Jun 06, 2023 1:01 am

NoVoy12 wrote:
Sun Jun 04, 2023 4:56 am
Woah mate the service drop exploded by the looks. Wires heated up and melted together perhaps?
That's what I thought too - the sparks came from the conduit a few feet below the siren, not the siren itself, although it wasn't doing much better!
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