Here are some photos of it when I first discovered it (October 2, 2013):



Recent photos of it:
















Please note I got permission from the fire department to remove the housing to see the motor and chopper.
That's all I can say!
That's a vortex. Look at the cabinet.4J25 wrote:That's a 4004. Cool siren!
It's an older style 4004. That county replaced the panels on some of their older sirens with type I panels. Not too sure why they would go that route instead of an FPU, but since they don't use voice on them anyway I guess it doesn't matter. It still has its original rotator that the WPS series sirens have with that round bit sticking out of the housing.uncommonsense wrote:That's a vortex. Look at the cabinet.4J25 wrote:That's a 4004. Cool siren!
It has a smaller rotor than the 5T/SD-10 has. The Model 3/3T has a 14" rotor, whereas the 5/5T has an 18" rotor. The biggest giveaway besides the noticeably smaller rotor is the motor's amp draw at only 21 amps on 240VAC, especially for being single phase since they draw more current than the same size three phase motor.connerdstines wrote:So, what exactly makes this different from a 5BT? Just a 5BT with a 5 horse motor?
The older Whelen 4004s (Vortexs) in Spartanburg County have the type I panel. The only Whelen 4004 with the old panel is the one at Chesnee Community FD Station #2.DJ2226 wrote:It's an older style 4004. That county replaced the panels on some of their older sirens with type I panels. Not too sure why they would go that route instead of an FPU, but since they don't use voice on them anyway I guess it doesn't matter. It still has its original rotator that the WPS series sirens have with that round bit sticking out of the housing.uncommonsense wrote:That's a vortex. Look at the cabinet.4J25 wrote:That's a 4004. Cool siren!
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