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I would like to see for once at a dive site all of the divers swimming in a horizontal position instead of vertical.
It appears to be normal at many places where there is a large teaching school, the majority of divers are all seen to be swimming in a vertical position with no buoyancy control and underwater sandstorms all over the place.
IMHO these divers are processed instead of being taught the basic skills and demonstrate that they can apply them properly before being certified.
When you are taught to descend vertically, ascend vertically, and do all your OW skills vertically (albeit, while kneeling), then it's to be expected that divers will assume that orientation while diving.
We, as humans, spend virtually our entire waking existence in the vertical orientation. It's what we're comfortable with. When we go underwater, we'll do what's comfortable ... whether or not it's what we know we should be doing.
This is why it's so important to train divers in a horizontal orientation ... in other words, while hovering. People tend to do best what they learned first ... training divers while kneeling on the bottom only imprints a vertical orientation into their fundamental skill sets. I've known "experienced" divers who could not even do something as simple as taking a compass heading without first having to settle on the bottom on their knees ... because that's what they were taught, and it never occurred to them to try it any other way ...
... Bob (Grateful Diver)
---------- Post added December 18th, 2012 at 10:34 AM ----------
Dear DCBC,
I haven't had as much teaching experience as you have had. Close to 1/3 of it if I've read correctly. The trend, where I am from is for divers undergoing even OW course, nevermind which agency, to request for truncated courses.
Frequently received requests from divers and divers to be are:
1. can we shorten the class time
2. can we shorten the pool time
3. can we get certified in less then 2 days
4. MY friends told me it was supposed to be very easy
5. I've READ that you only need to clear 7 skills for OW - the list goes on.
I've had to recap Chapter 1 and sometimes 2 of OW as students waltz in at their own convenience citing 'work' as a factor.
I think more is at play here then just what direction the industry has taken or is taking perhaps. Could it be that the industry is also responding to today's divers 'requests' (not all of course but over the last decade I see more and more) and directing themselves at where the 'business' is?
... my standard response to those questions is "perhaps you'd be happier with a different instructor" ...
... Bob (Grateful Diver)
---------- Post added December 18th, 2012 at 10:40 AM ----------
Now add in the divers with split fins swimming horizontal four feet, or less, off the bottom raising the sandstorms as well.
This isn't the fault of the fins. One can easily dive split fins without kicking up silt ... even inches off the bottom. What it takes is proper technique. The reason you so often see this occurring is because the fins aren't being used properly ... which is to say either using a bent-knee technique and/or keeping the fins inside the slipstream.
Split fins are easy to overkick, because they offer so much less resistance than blade fins. Add to that the fact that most newer divers are like baby harbor seals ... zipping around trying to see everything.
Split fins are not, to my concern, appropriate for certain types of diving. But for typical recreational diving they are perfectly adequate to the task ... if you use them correctly.
... Bob (Grateful Diver)