Author Topic: Scuba anyone?  (Read 386 times)

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gmrviper

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Re: Scuba anyone?
« Reply #15 on: March 01, 2010, 04:47:15 PM »
So i had my intro to scuba lesson on Friday. It was really awesome. Took me a while to get the hang of breathing. It felt like i wasn't exhaling enough. After about 10 minutes i got it down though. Played around in the shallow end for about 20 minutes and then headed to the deep end. Was a bit Leary to start out with. I kinda stayed up near the edge of the pool and then got some nerve built up and finally descended down to the bottom"ten feet". It was a bit freaky the first time i went to the bottom , but i got more comfortable as time went by. At about 8ft down i could tell i needed to equalize. Got one ear to equalize, but the other just wouldn't pop. So i just kept going up and down. I knew not to stay in pain. So i just moved up and swam around. Overall it was really fun. The guy that took us just basically said here is everything go have fun. Which i think now worked out pretty good. That way i wasn't concerned with every detail. Hopefully i can go by and pay for the class this week . Im excited to get started.
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John Rooker

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Re: Scuba anyone?
« Reply #16 on: March 01, 2010, 06:44:00 PM »
So i had my intro to scuba lesson on Friday. It was really awesome. Took me a while to get the hang of breathing. It felt like i wasn't exhaling enough. After about 10 minutes i got it down though. Played around in the shallow end for about 20 minutes and then headed to the deep end. Was a bit Leary to start out with. I kinda stayed up near the edge of the pool and then got some nerve built up and finally descended down to the bottom"ten feet". It was a bit freaky the first time i went to the bottom , but i got more comfortable as time went by. At about 8ft down i could tell i needed to equalize. Got one ear to equalize, but the other just wouldn't pop. So i just kept going up and down. I knew not to stay in pain. So i just moved up and swam around. Overall it was really fun. The guy that took us just basically said here is everything go have fun. Which i think now worked out pretty good. That way i wasn't concerned with every detail. Hopefully i can go by and pay for the class this week . Im excited to get started.

I would start equalizing at about 2-3 feet, it makes it much easier than waiting until the pressure gets painful.  You did the right thing, if it starts to hurt and you cannot equalize, ascend a few feet and try again. 

trikebldr

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Re: Scuba anyone?
« Reply #17 on: March 01, 2010, 06:45:27 PM »
Gabe, did you ever have an ear infection as a kid? I did, and my doctor told me that is why my ears hurt so bad as I dive below about 6 feet. It takes me awhile to get past that point, to! My instructor used to use an inhaler to induce a sneeze, then have me do the sneeze underwater! THAT really clears the ears! But, you really gotta be quick getting that mouthpiece back in your mouth for the inhale after the sneeze! And you have to be sure to blow your nose clean before, or it gets messy! Yes, the military way is kinda wierd!
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John Rooker

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Re: Scuba anyone?
« Reply #18 on: March 01, 2010, 07:20:18 PM »
The military way of doing things is not always the best or even most effective for the recreational diver.  I broke both cheekbones in a car wreck and basically trashed my sinuses,  Nearly 30 years later, I still have problems from that.  It made equalizing very challenging for me and it is the reason that I gave up diving this year.  I also play at being a musician and I felt that my hearing was more important that any dive I was going to do.

Below is information from PADI (Professional Association of Dive Instructors) on equalization:

One of the most overlooked skills in scuba diving is equalizing.  Yes, I said "skill."  Equalizing may not seem to be a skill in the same way hovering or mask removal and replacement are skills.  However, it is a skill, and you will become better at it with practice.  As we all learned in our open water classes, the air spaces in bodies are readily compressed by water pressure when we descend.  We need equalize those spaces to prevent pain, especially in the ears.I often suggest to students who are having difficulty equalizing to do a "pre-dive" Valsalva maneuver.  At the surface, pinch your nose, and blow gently.  This seems to pre-pressurize the ear, making later equalization easier.  Then, equalize every few feet BEFORE you feel pressure.  Once you start to feel pressure, it may be too late.  All is not lost, however.  Just ascend a few feet until the pressure is relieved and try again.  Do not ever, ever try to force you way through equalization.  This is almost a guarantee of ear damage.  Don't worry that everyone is descending without you.  Your instructor will keep an eye on you, and will wait as long as it takes.  If you are certified, make sure you stay in contact with your buddy as you descend, so in case one of you has a problem, the other won't be starting the dive without the other.  If you still have problems, try descending feet first, swallowing, wiggling your jaw, or any combination of these things.You can even practice your equalization without diving.  Practicing the Valsalva or any of the other techniques will get you used to equalizing and what it feels like.Of course, don't forget about your mask.  A little air added through your nose is all it takes.  You will not need to worry about your mask when ascending--any excess pressure will vent out on its own.  Your lungs should equalize with each breath, as long as you breathe continuously and follow the most important rule of scuba diving--don't hold your breath.

gmrviper

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Re: Scuba anyone?
« Reply #19 on: March 01, 2010, 07:59:10 PM »
Thanks for the article John. Bruce i don't remember ever having an ear infection. But i do have allergies. Hate to sound like a wuss, but the heater was off and the water was freezing. The instructor said the fact i was so cold might have had something to do with it also. Im sure he will show me some different techniques once the class actually starts. He showed me one as we left, he had me put my tongue on the top of my mouth and swallow. Maybe that will work. And i didn't equalize out of the water. I forgot about doing that.  I bet that will help too.

Wow everything i read says never hold your breath. I guess they really drill that into your head. Thats good though, ill hope in a panick it just becomes instinct.

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John Rooker

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Re: Scuba anyone?
« Reply #20 on: March 01, 2010, 08:22:49 PM »
Thanks for the article John. Bruce i don't remember ever having an ear infection. But i do have allergies. Hate to sound like a wuss, but the heater was off and the water was freezing. The instructor said the fact i was so cold might have had something to do with it also. Im sure he will show me some different techniques once the class actually starts. He showed me one as we left, he had me put my tongue on the top of my mouth and swallow. Maybe that will work. And i didn't equalize out of the water. I forgot about doing that.  I bet that will help too.

Wow everything i read says never hold your breath. I guess they really drill that into your head. Thats good though, ill hope in a panick it just becomes instinct.

Holding your breath on descent won't hurt you, but never hold it while ascending.  The air expands in your lungs as you ascend and very serious damage can result from holding your breath.

During our classes, we were in the pool for two hours at a time.  Even with wetsuits, you get cold and..oh do you ever have to pee!!

gmrviper

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Re: Scuba anyone?
« Reply #21 on: March 03, 2010, 09:43:24 PM »
Well i pulled the trigger and paid the 300 for the class this morning. Got the book and dive log that comes with the course. Now i really gotta buckle down and read and study for a few weeks. Most of the book stuff is just done at home so that's kinda nice. The instructor said he will still spend 8 or so hours going over everything in the book though.

Looks like we have a Florida trip planned for the summer too. This might be perfect timing. I would love the chance to dive one of the springs.

FYI ill start talking bikes again when it warms up. Its just too cold right now even with a windshield.
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Mikey

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SCUBA reminiscences
« Reply #22 on: March 10, 2010, 08:52:05 AM »
Even with wetsuits, you get cold and..oh do you ever have to pee!!
Peeing solves the cold problem, if you're wearing a wetsuit...

If you want cold, dive Tobermory, Ont. We used to charter a dive boat that had a big woodburning stove amidships.  We'd put a huge pot of water on the stove, and after the dive (water was within a few degrees of freezing at 25 fathoms) we'd surface and pour the hot water down our suits.  Even better than pee!

SCUBA diving can be very dangerous indeed.  I took an underwater photography course in Grand Cayman a while back, and as I was exiting heard a commotion behind me in the surf.  Turned and saw a tall blonde struggling to get out of the water and swearing up a streak.  Very long story, shortened considerably, we'll be celebrating our 29th anniverary this year. Be careful  out there.

We did most of our diving on Bonaire. Warm, clear water, and very few divers back in the 60s and 70s. Only one small dive operation, all diving from shore, "laid back" would be a gross understatement.  I was most comfortable at about 100' for some reason, and spent a lot of time down there.  Very peaceful, friendly critters, prisitine reefs.  Now the big dive operations put 1000 divers a day in the water.  I guess that's progress, but you can have it.
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gmrviper

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Re: Scuba anyone?
« Reply #23 on: May 24, 2010, 02:53:18 PM »
Got certified yesterday! Man i started this thread in March. Geez that took a while.
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trikebldr

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Re: Scuba anyone?
« Reply #24 on: May 24, 2010, 03:04:21 PM »
Congrats, Squid! Now, I expect we will see you selling your bike for scuba gear!

Now that you've conquered the depths, could I entice you to try the heights? How about a leizurely hop out of a perfectly good airplane?
Bruce

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gmrviper

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Re: Scuba anyone?
« Reply #25 on: May 24, 2010, 03:12:48 PM »
Nope bike is staying around!

I can only conquer one fear a year. Maybe next year!
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