Question Only Instructor wears dive computer (extra charge if I want one)

[tursiops]

While this is true, this is still supposedly a thread in response to his question. Obviously this thread has been hijacked, but we need not all go along with the hijack. Part of the reason the OP may not have re-posted here is bc he may have read some of the responses and decided they were not helpful to him.

No, his user profile says he has not looked at ScubaBoard since his OP.

 

[Chavodel8en]

No, his user profile says he has not looked at ScubaBoard since his OP.

He may have not been logged in and still read the never ending back and forth on whether they should teach decompression theory and/or tables in OW and decided this thread wasnt helpful to him.

 

[tursiops]

He may have not been logged in and still read the never ending back and forth on whether they should teach decompression theory and/or tables in OW and decided this thread wasnt helpful to him.

Yes, that's possible. But the first 20 or so post were right on target....he he does not appear to have read any of those.

 

[schuylerclark]

I don't have to use a slide rule because I have a calculator. I don't have to paddle the boat because I have a motor. I don't have to use tables because I have a DC. I don't have to sail around the world because we have planes. I don't have to walk to the airport because I have a car. I don't have to yell across the neighborhood because we have cellphones. If these pieces of technology fail, I'll be happy to revert to the old ways.

 

[Pearlman]

He may have not been logged in and still read the never ending back and forth on whether they should teach decompression theory and/or tables in OW and decided this thread wasnt helpful to him.

In a dystopian world he would have FrogMen-In-Black wetsuits and hoodies and dark tinted scuba masks knocking on his front door with spearguns in hand … “We heard you had some questions for us … <ahem> do you need any further clarifications? We are here to get this sorted out in case you’ve had any difficulty in logging in…”

But it’s ok really because we all love chatting away endlessly here even if no one is listening …

 

[ScubaWithTurk]

I admit I have not read through the entire thread but I run a dive center so here is my two bar:

Many dive centers rent dive computers. They will tell you the cost of the dives, say "two dives with complete gear" but then tell you a computer is extra. If the computer is extra, they are in fact, not renting you full gear.

At my dive center, we decided that full gear meant just that, full gear and a dive computer is included. Relying on the instructor or dive guide is dangerous and should never be done. It is taught in the open water course to never share a computer or rely on your buddies computer but we see dive centers around the world do this all the time.


I tell all my new divers the first two pieces of gear they should buy is a good fitting mask and a computer. Knowing what that computer is telling you and where to find the information you need when on a dive is key which is why constantly renting different computers is suboptimal at best.

 

[Derbdiver]

Where is this?

It's not normal and should not be acceptable.

Whether or not it is safe depends on the dive profiles. It's certainly possible the dives fit within the dive tables. Ask them what is the max depth and bottom time for each dive and how long is the surface interval.

If the only way to do this safely is as a multilevel dive then I would not do it. If you decide to ignore this advice (and all the upcoming advice) and do it anyway, then you need to make sure that you stay at the same level or shallower than the DM for the entire dive.

And make sure you buy a computer and learn how to use it before your next trip. Or even right now if one is available. The cheapest you can find that can handle Nitrox is perfectly fine as far as safety goes.

Even if the dive profile is very regimented from a depth and time standpoint, this is really a no-no in the modern era of diving. Modern computers take into account your depth, air usage and time in a way that is very precise from a Nitrogen loading standpoint. It's really like getting into a car with no seat belts, working blinkers or brake lights.

 

[BabyLitigator]

Even if the dive profile is very regimented from a depth and time standpoint, this is really a no-no in the modern era of diving. Modern computers take into account your depth, air usage and time in a way that is very precise from a Nitrogen loading standpoint. It's really like getting into a car with no seat belts, working blinkers or brake lights.

With a one day double dip within open water limits (60 ft) and 45 minute dive, is it really possible to get into nitrogen trouble?

 

[crofrog]

With a one day double dip within open water limits (60 ft) and 45 minute dive, is it really possible to get into nitrogen trouble?

Yes the risk of dcs is never 0. But actual risk would mostly depend on the surface interval.

 

[Belzelbub]

With a one day double dip within open water limits (60 ft) and 45 minute dive, is it really possible to get into nitrogen trouble?

Yes, it is. Likely? Maybe not.

All depends on the dive. Floating casually along the reef would probably be less risky than a dive with a bit more work.

The term “undeserved hit” would likely not be a thing if it wasn’t possible to get into nitrogen trouble on suc dives.