Siren in Argentina

[Daniel]

Check out the size of this thing!

http://www.youtube.com/watch?v=11-Gvbw8T8w

[Corey Hudson]

I wish i could really hear what it sounds like with an Olympus recorder!
What do you say, 10hp?
It sounds like it from the wind-up.

[EL1998P71]

That recording is horrible!
That siren looks like it's on a Fedelecode tower.

[sirenman1bd]

That recording is horrible!

I quite agree, the sound is not very good, but the video is of an OK quality.
I like that we're able to see the chopper spinning, if you look close.

[kanazo]

The wind-up almost sounds like someone's gargling...You don't see many sirens without covers on.

[kswx29]

Why does it have a slow wind-up, and then all of a sudden a fast wind up?

[SirenMadness]

That is just beastly!

[md5]

Why does it have a slow wind-up, and then all of a sudden a fast wind up?

Guessing its power supply possibly?

[AllSafe]

It's most likely the motor starter.

[JasonC]

It's most likely the motor starter.

How would a motor start affect startup? It's just a switch. It can be voltage drop by a under rated transformer (common in poorer countries). it could also be small wiring, etc. Nobody knows for sure unless you examine it yourself.