i have a hard copy of the siratrol manual, i will hand scan the whole thing and then post it in pdf format for people to download.

just to give you an idea as to what the chopper assembly should look like here is a pic of my dual tone 4/5 port chopper assembly. http://i705.photobucket.com/albums/ww55/arcaderepairlouisville/20170103_225449.jpg http://i705.photobucket.com/albums/ww55/arcaderepairlouisville/20170103_225513.jpg

thunderbolt standpipe is nothing more than threaded 3" schedule 40 pipe... The flange is available in either cast or forged steel and made for a 3" pipe. you can pick both up at a major pipe supply chain. (i.e not home depot or lowes)

Yes josh (vertum) and i took a couple of videos of it but most of them are just audio only, here they are. https://www.youtube.com/watch?v=KyA_bCzZYnY (siren sounds in single tone even though the controller is dual tone, it was not working properly due to bad caps and pots.) https://www.youtube.com/...

Just to give a heads up, there were revisions of those siratone controllers over the years since the eows was an experimental siren and was a rushed product by federal that used different tone control circuitry starting with the eows c/b* cabinet which was used on the early 1212 and 115. i have one ...

well chris if the said thunderbolt is mounted in a configuration where the stanpipe distance between the head and blower is less than 15 feet you can try this. when me, clay jones, and mr werden removed the thunderbolt at 310 Lilienthal Avenue (cincinnati fire station 37) we disassembled the head pi...

The bar down the port has no influence on the tone. I was wondering about that a while back because mine has the split in the middle but it's single tone. I think only the earlier bolts had the wide port... Did we have a different conclusion become uncovered that I missed?[/quote] No i was not refe...

if there on the ground and disassembled i would look in the chopper port on the chopper cap , if the horn is still on it shine a light down the throat of the horn. if you can visually see in the chopper slot look to see if it doesnt have a dividend in the magnesium chopper assembly, if not and it ha...

i can help you along with your restore if need be as i have three of them and have 2 of the 3 in pieces currently restoring them. plus im local down here in louisville ky to be of assistance There are plenty of others who can help you along the way too on the board whom have restored plenty more thu...

Hey joshua, Adding to what Andy said... if you are serious and have the funds/means/transportation/storage etc. and want to obtain a thunderbolt siren contact clayton werden of werden electric. Last i knew he had a few thunderbolts in his yard that were for sale, and that was last spring sometime. T...