On the vortex there is a rectangle box on the rotator, on a 4004 its a cylinder, and 4004s can do voice If I'm not mistaken, do newer 4000s have the same rotator box as Vortexes always did, with the rectangle? With this being the case, the best way to tell the difference would be to look at the con...

Replying to the last 2 messages, I believe both the WPS-4003/4s and Vortex R1-4s are both still in production per the screenshot below unless Whelen has been slow to update their site.

My understanding is the first gen Vortex rotators are belt driven as opposed to later gear driven models (it’s obvious from looking at the boxes the first gen Vortex uses a very different type of rotator). The fins better handled the wind load so as to reduce the chance of damage to the rotation me...

I was thinking it had something to do with wind, however I had absolutely no solid idea what it was for.

Basically what Eows said. As far as I'm aware Vortexes only had the finback option too, though I'd need someone else with extensive knowledge on Whelens to verify that. Does anyone know the purpose of the fins on the older models? Was it just for looks or was it useful in some way? Sorry if this is...

Basically what Eows said. As far as I'm aware Vortexes only had the finback option too, though I'd need someone else with extensive knowledge on Whelens to verify that.

Two WPS-3016s on the same pole in Cannon Beach OR, used for tsunami warnings. https://www.google.com/maps/@45.8950094,-123.9634781,3a,75y,38.53h,104.2t/data=!3m6!1e1!3m4!1sGO9jKu27lYWwLRdR3bGv9g!2e0!7i3328!8i1664 Are those the ones that play a mooing sound for tests? Yes those are. Apparently they ...

Yep, appears to be so. He also mentioned that it was replaced in 2015 in the description.
Attached street views for people, 2012 vs 2019.

Synther wrote: ↑

Tue Feb 09, 2021 11:27 pm

Air powered B&M.

How does that work exactly? I'm assuming something in that rear part has to do with it where something like a fan's spun by air.

What is this? I can't figure it out for the life of me. It has 3-phase power running to it. https://www.google.com/maps/@35.0856251,-84.0335343,3a,51.5y,96.33h,136.53t/data=!3m6!1e1!3m4!1s7dOACQ5f1Xi4gpG6_IDj8A!2e0!7i13312!8i6656 If it is a siren, I have to agree with nvanw27, if it is a siren it w...