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ACA Hurricane 130 Prototype

The ACA Hurricane 130 was designed by James E. Biersach of Alerting Communicators of America and presented at a Civil Defense convention in November 1968. They introduced other sirens, however, this utilized new fiber casting techniques, never before used by any other company. It was available in 8/10, 10/12, 8/12 port, or single tone 8, 10, or 12 port configurations, but most models were equipped with an 8/10 chopper port ratio. It was meant to compete with Federal Signal's Thunderbolt siren series at the time. The Hurricane started off with a square horn (similar to the Federal Signal Thunderbolt), but ended with two throats where the horn attaches to the chopper enclosure. Additionally, the Hurricane siren was a supercharged mechanical siren, utilizing a blower and high output chopper similar to the Federal Signal Thunderbolt. These were produced until 1973 when a larger, rounded horn was made that was a true exponential horn. This siren was popular with towns looking for a high output 130dB siren.

Later on, ACA opted to change the design of the Hurricane to make it stand out from the Thunderbolt siren, and to avoid potential lawsuits over the two similar designs. Aside from that, they decided to correct some design flaws that were discovered in the original model. These changes to the design include a pole mounted vertical blower, controller removed from blower assembly and housed in its own cabinet, and most notably, the horn changed from rectangular to round. This model was dubbed the "Hurricane 130 MKII" by the company. It also utilizes a 30 horsepower blower motor, as opposed to the 7.5 horsepower blower motor on the Federal Signal Thunderbolt. The company continued production until 1980, when it was replaced with the Penetrator P-50, a 50 horsepower dual-tone 135 dB siren. All Hurricane 130's are very rare, as most of them have been replaced by newer sirens.
Port: 10/12