Hello Capt'n Dynamite...I put that onto my list. Another user wants a photo of the name plate, I will take care of both at a future time. I have moved the siren back into a
confined space so I could get my pickup inside for the winter. Thanks for the interest-

I can do that for you, it will be a while. The stand the siren is on has wheels on it and I have moved it out of the way and back between some equipment as I had decided to hold off on working on it any further until the weather warmed up this coming spring. There are two ID plates on the siren, one...

Thanks for the comments. I don't know how many of there were ever made.There are some numbers inside but I think they might be part numbers and not a serial number.

I have had for a while now and will be selling it. As you can see the front cover needs to be rotated and there are some rust issues. The rotor is free and spins easily-

Thanks for the comments, it will take on a different look once both covers are installed. The motor name plate shows the RPM @ 3600

The B&M 20-AR-7 without the covers in place-

Time for me to call it a day. I am not having any problems viewing the photo I posted by clicking on the embedded link-

I have never been to that site. Were you not able to find the photo by clicking on the link?

Photo of the B&M without the two covers. Siren will look completely different when both covers are installed. This photo may be too big to post on this forum.

https://www.thesirenboard.com/forums/do ... ew&id=5958

Hello, I have working on mounting the two covers on the B&M and am now finding out the metal structure is made of hardened steel which I can't drill or tap with the tools I own. I contacted a machinist who lives close by and he is planning on coming over today to see what I have and present some...