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The CHIRP Dilemma – Airmar Mounting Options

February 27, 2015
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CHIRP Dilemma

CHIRP Dilemma

Behind every successful CHIRP sonar system is a good transducer. You just need to know which one. Courtesy Airmar
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Airmar Transducer Mounting Options

These are Airmar’s most popular CHIRP transducers. They are available in most popular frequencies, offering several sound choices compatible with your sonar equipment. Now all you have to do is determine where you plan to mount it. Airmar B265 Transducer Popular on slower (under 35 knots) inboards with the blue fairing block cut to the deadrise angle to maintain a perpendicular transmission axis. It is best mounted off the propeller ­thrust-line to avoid cavitation.
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Airmar R599 Transducer

Usually used on high-performance center consoles and often fiberglassed inside a custom-built hull “pad” on the keel to shoot through the fiberglass near the transom, giving it clean water and good readings at speed. Courtesy Airmar
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Airmar CM599 Transducer

Designed for through-hull mounting to keep the transducer face in contact with the water. Ideally mounted through a flat keel “pad” near the transom or set at a vertical angle into a pocket, countering the deadrise angle. Courtesy Airmar
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Airmar B175 Transducer

The tilted element in this transducer allows a vertical element orientation when flush mounting at any deadrise angle, including 0- or from 12- to 20-degrees. Though the bronze fairing is slim, it can noticeably change hull dynamics on center consoles under 30 feet. Courtesy Airmar
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Airmar PM265 Transducer

This bronze case through-hull transducer is designed for pocket or hull “pad” installation to keep the transmission perpendicular and the face of the transducer in contact with the water. Courtesy Airmar
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