Iruka
Contributor
Off topic, I guess, but my bigger problem with dust caps is when they're blown dry at 8 zillion psi for 10 or 15 seconds, causing nearby eardrums to implode, fish to float to the surface, mountains to crumble into dust, etc.
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What's even scarier are those people that blast the 1st inlet instead, and then put the dripping dust cap on it.Iruka:Off topic, I guess, but my bigger problem with dust caps is when they're blown dry at 8 zillion psi for 10 or 15 seconds, causing nearby eardrums to implode, fish to float to the surface, mountains to crumble into dust, etc.
Well, I was taught to use a little air from my tank to dry off the plug before putting it on. And I still do that. I like the idea of real dry air drying off the plug before it's put on.Iruka:Off topic, I guess, but my bigger problem with dust caps is when they're blown dry at 8 zillion psi for 10 or 15 seconds, causing nearby eardrums to implode, fish to float to the surface, mountains to crumble into dust, etc.
Marek K:In my particular case, living in Europe, all I'm liable to find at local shops are DIN caps. And while I'm trying to convert all our family equipment to DIN, some of it is still INT/yoke; I need to find an on-line source for "quality" yoke caps.
Doing that you really have i high chance to force the water drops inside the 1st stage. With the same precautions you take for drying the first stage you should dry the dust cap before putting it on the 1st stage. At least that's what I was taught to do.Marek K:I've seen respectable opinions both ways... others, probably feeling there's a risk of forcing water droplets into the first stage inlet,
Iruka:Marek, I have no problem in using air to dry off the dust cap....do it myself.....just a problem when it's painfully loud for people nearby. By the way, just had a couple from Poland by the name of Tomasz & Anna dive with me last week....I think they preferred the warm waters of Guam more than what they described as the cold, dirty lake diving in Poland! They are also from Warsaw, now that I think of it...
I'm from Warsaw and I tend to disagree. Well, yes it's cold (although during the summer if you dive above the thermocline then it's not bad at all - up to 19 Centigrades). The vis - well - depends but up to 8 meters sometimes or just half a meter. And so many things going on uw.....Iruka:cold, dirty lake diving in Poland! They are also from Warsaw, now that I think of it...
Marek K:Well, there's obviously a debate about blowing the cap dry. In fact, while I was going through an OWD refresher here last summer while my son was doing his OWD, I blew my cap dry at the pool after one session as a matter of habit. The instructor immediately came up and advised me not to do that... because of the risk to the inlet.
I mean, that was an excellent point... If you do blow it dry, watch the inlet. And do it with some consideration for your fellow divers.
..snip..
miketsp:I seem to be missing something here. Watch the inlet? Are you talking about the risk of blowing water from the cap to the inlet?