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Please excuse my ignorance, but what is the purpose of the clear plastic tube from the first to second stage and wrapped around the lp hose? Additional air flow for a particular purpose ?https://www.youtube.com/watch?v=IUKmSvXqo88
[h=1]Aqualung ABM15 (AVM-15)[/h]
The purpose of the plastic tubing is explained later in the video as a "low tank pressure annunciator ", something I have never seen before. I understand the concept , but see potential drawbacks including poor visibility, strong currents and other factors that would mitigate the benefits. Was this system popular in the region the unit was sold?Please excuse my ignorance, but what is the purpose of the clear plastic tube from the first to second stage and wrapped around the lp hose? Additional air flow for a particular purpose ?
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I also wrote an article about Rory about 20 or more years ago that was published in the HDS journal SDM