Back during the Cold War days of the 50s/60s the "wailing tone" was to be used only in event that nuclear attack was imminent and there was no time to evacuate. I don't know of anyone that was really held to that. Fredricksburg Texas always ran their fire siren (SD-10) in attack. The earl...

Got a recording today while in battle creek.

http://www.youtube.com/watch?v=ML_H1PzQ ... e=youtu.be

That is AWESOME!!!
Love that sound.

Definitely the same siren. Am I seeing the pic correctly? Is the insulation completely gone from the wires going up from the collector rings to the chopper motor? Wonder if it was burned off. Hope not..... :shock: I think that is just the hemp type rope they used to hold the wires against the chopp...

I took some more photo's of the thunderbolt today. I really do think this is the salter park t-bolt. too many in the same spot rust marks to be just a coincidence here's so in serivce pics Tag Side - Has rust dent at bottom right. and rust spot on CD decal http://i227.photobucket.com/albums/dd151/EL...

it boggles the mind on how you folks can STILL be chatting up this thread.
Amazing none the less.

I got a few things monday when I went to WSS wiith Siren1000T1 AR timer (can never have enough of those) Yellow case Siratrol radio SCH controller 2 Whelen mechnical siren controllers. (I did not type that wrong, they do exsist) and a Thunderbolt head Series B This one may be the harper woods one. B...

Nothing comes to mind that far north.
You should just check youtube for michigan siren noon tests for reference.

A 2001 and a Thunderbolt.
I don't know the status of either.
but the last time I drove by the 2001 is was still not connected to a power source.

there are now two modulators on Belle Isle now.
The only other siren to hear downtown would be the one in corktown. but I don't know it's status.
Also all sirens are getting solar panels.