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by Jack Schroll
Mon Jan 18, 2010 1:58 am
Forum: Mystery Sirens
Topic: ARCHIVED: Mystery Sirens (2008-3/2021)
Replies: 4223
Views: 2143981

Unknown Siren

I am not too keen on electric sirens. I would like to know what this unit is and what a fair price would be for it. Many years ago the Port of Oakland took this to a shop to have the motor rebuilt. After it was done they never picked it up as they had decided to replace it with a new unit. Any answe...
by Jack Schroll
Sun Jan 03, 2010 7:14 am
Forum: Main Outdoor Warning Sirens Board
Topic: Word of Wisedom on Aquiring Sirens
Replies: 10
Views: 5472

It took me over two years of meetings with the Preservation Council in Oakland before they let me remove my siren. I paid for the entire removal. The paper work, insurance, crane, crane operators credentials all had to be in order. They worked with me. I never felt it was an uphill battle. I just ta...
by Jack Schroll
Thu Nov 26, 2009 2:01 am
Forum: Main Outdoor Warning Sirens Board
Topic: SIREN FOR SALE ON EBAY
Replies: 2
Views: 2355

SIREN FOR SALE ON EBAY

Below is the number of a siren for sale on Ebay. It appears to be in Oakland. If anyone is interested and needs someone to take a closer look, I work in Oakland and would be happy to check it out.

Jack
120497658550
by Jack Schroll
Tue Nov 17, 2009 10:39 pm
Forum: Main Outdoor Warning Sirens Board
Topic: Bell Labs "Big Bertha" protototype
Replies: 7
Views: 4343

I am not certain that I concur with the assumption that this siren would maintain full power at lower RPM's. The output of a supercharger is determined by the engine speed. I have a Mustang shop and we install a lot of modern superchargers. They do NOT put out much in the way of pressure or volume u...
by Jack Schroll
Wed Nov 11, 2009 8:08 am
Forum: Main Outdoor Warning Sirens Board
Topic: Siren Manuals
Replies: 127
Views: 382657

I have the manual for my 1953 Chrysler. I have neither the time nor the ability to convert this to a pdf file. It is a very large manual. If anyone needs any specific info, I would be happy to look it up, though.

Jack
by Jack Schroll
Mon Nov 09, 2009 1:45 am
Forum: Mystery Sirens
Topic: ARCHIVED: Mystery Sirens (2008-3/2021)
Replies: 4223
Views: 2143981

Can anyone tell me what this little guy is. I believe it is 24V. When I connect it to a 12V battery it is really weak and the red lamp in the middle is very dim. I haven't tried 24V yet as I did not wish to damage anything. Jack http://www.flickr.com/photos/44679835@N00/4088188000/?addedcomment=1#co...
by Jack Schroll
Sat Oct 10, 2009 9:04 pm
Forum: Videos and Media
Topic: Chrysler Siren on White Holly Boat
Replies: 3
Views: 2488

This is the siren from the Woodminster Amphitheatre. The one from the school mysteriously dissappeared. We actually run this thing quite often. Next time we run it I will try and remember to post it to this board.

Jack
by Jack Schroll
Wed Oct 07, 2009 7:25 pm
Forum: Videos and Media
Topic: Chrysler Siren on White Holly Boat
Replies: 3
Views: 2488

Chrysler Siren on White Holly Boat

This is a run we did on the White Holly after our show. We had the siren pointed at the barge that was going to shoot the fireworks show for the club after the boat parade. They were 2 miles from us. Our noise over ran their radios and they had to delay the show until we stopped. Lots of fun. Jack h...
by Jack Schroll
Wed Oct 07, 2009 7:01 pm
Forum: Main Outdoor Warning Sirens Board
Topic: Chrysler siren locations
Replies: 28
Views: 14340

We did run the Siren again at Burning Man this year. It opened my show for the "Rocket Launch". http://www.time.com/time/video/player/0,32068,41033406001_0,00.html I am in the process of converting the electrical system to 12V neg ground. Currently it is 6V pos ground. A real nuisance to d...
by Jack Schroll
Wed Oct 07, 2009 6:58 pm
Forum: Main Outdoor Warning Sirens Board
Topic: Chrysler siren locations
Replies: 28
Views: 14340

It most likely did indeed go to scrap. I have been in business in Oakland eight blocks from that siren since 1974. I know all the crane companies around here. We just can't account for the operators that are employed by the school district. The Oakland School disctrict had been taken over by the Sta...

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