Depth sounder transducer

bamspm

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10 Aug 2006
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My old NASA Target transducer appears to have been mounted in a plastic tube containing a clear oil. Can anyone advise on the type of oil that should be used and the depth required. I saw an old sketch showing it completely submerging the base of the transducer.

Any advice would be appreciated.
 

pau1gray

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You can any oil that will not freeze - We tend to use a mineral oil, when we need to fix our beacons offshore but hten again our beacons are deployed to 1000's of meters.

Ideally you want something that does not compress, will not go off! and if it does come in contact from water will not emulsify to readily.
 

simonfraser

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agree, stick it with silicon far simpler, just avoid air bubbles, the transducer will work before the silicon has set, so you can check it and reposition if needed
 

bigwow

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If the hull is a sandwich construction sticking the transducer inside will not work. I drilled a hole in the hull so the transducer is in contact with the water and epoxied it in.
 
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