RSH-10A Thunderbeam Test

My dad and I winding up my Thunderbeam with an air compressor. Look closely and you can see the deflector rotating.
This beast is VERY heavy and the manual says that it weighs ~650lbs and is rated at 128dB @ 100ft. Since this siren runs off three phase power that we don't have access to, we will have to settle with this much for now.
Update: I no longer own this siren. The siren is now owned by Charles Gillespie out of California.