Comments for Deep-Sea Sherpa

Comment on Hog looping – misinformation about the Hogarthian configuration by Danny D

Danny D — Fri, 13 Aug 2010 08:10:26 +0000

Whoa! You introduce more variables than you solve! I’ll be sticking to my US training and simply not diving with people who can’t deploy a longhose thank you very much!

Do you also teach when panicking to put your mask on your forehead? Haa..haa…

Comment on Horizontal Trim 101 – Levers by Don

Don — Sat, 08 May 2010 15:41:41 +0000

Joe,

Hi. A few questions for you:

(1) When you vent from the inflator hose (SS1), do you see bubbles venting?
(2) How often are you venting when from 30′ to the surface?
(3) Are you ascending by kicking up?

Regarding bend in the hose, a bend is okay as long as the bend is L shaped and not U shaped. For newer divers, it’s not uncommon to not expend their arms fully, thereby not creating a straight enough path for air to escape.

It could be possible that the BC is trapping air, though the Aeris Reef Rider’s BC looks pretty compact. If you’re ascending in the vertical position, it’s very unlikely that trapped air is occurring though. In the vertical position, the inflator hose should be at the highest point. You can check that in the BC.

Thanks.

-Don

Comment on Horizontal Trim 101 – Levers by joe

joe — Fri, 07 May 2010 19:34:52 +0000

I’m fairly new (17 dives) and I have a problem with uncontroled ascent once I reach 25-30′. I ascend in the vertical, venting (SS1) in the near vertical (there is a bend in the hose due to velcro keeper). Everything is fine until I get to 25-30 feet and here I go. I have tried increasing weight (no good) tried getting advice…..one guy said your SS1 is trapping air, that’s why I said ‘near vertical, bend in hose’.

Could my BC be trapping air. It’s a back inflate Aeris Reef Rider. Can you help?

thanks, Joe

Comment on Horizontal Trim 101 – Uses by SeaJay Bayne

SeaJay Bayne — Thu, 04 Mar 2010 13:32:37 +0000

Nicely done! A great explanation – with excellent illustrations – about the basics of trim, and the only place I’ve seen an accurate explanation of the control of “angle of attack” using the “bent knees” method.

Comment on Horizontal Trim 101 – Levers by Don

Don — Tue, 16 Feb 2010 06:54:16 +0000

@Kathy: Thanks for reading!

@Brian: 30′ per minute ascent rate is the DAN recommended ascent rate. Like you, I’m much slower the last 20′. Using MDL Ascent profiles, I’m 1 minute at 30′, 1 minute at 20′, and 1 minute at 10′. As the result, my shallows are slower too.

Btw, we’re overdue for a dive together!

Comment on Horizontal Trim 101 – Levers by Brian Gilpin

Brian Gilpin — Tue, 16 Feb 2010 04:43:17 +0000

Don

I like your sequence on ascent.

Do you consider thirty ft per minute ideal or a maximum? I try to go much slower the last 20 ft or so.

Comment on Horizontal Trim 101 – Levers by Kathy Dicker

Kathy Dicker — Tue, 16 Feb 2010 02:36:19 +0000

Don,

Thanks for posting! Your article on controled ascents is helpful!

Comment on Scuba 101 – Ascents and Descents by Deep-Sea Sherpa » Scuba 101 – Controlled ascents

Deep-Sea Sherpa » Scuba 101 – Controlled ascents — Mon, 15 Feb 2010 23:03:35 +0000

[...] Position While I discuss body position in the scuba ascents and descent article, its worthwhile to revisit again. The horizontal trim position offers the diver stability [...]

Comment on Hog looping – misinformation about the Hogarthian configuration by trevor john gilson

trevor john gilson — Thu, 21 Jan 2010 21:40:31 +0000

typical bsac bullshit

Comment on Scooter technique – dumping gas by Marc Blackwood

Marc Blackwood — Thu, 10 Dec 2009 17:41:51 +0000

I love the dramatic soundtrack.

Keep expecting an army of divers bearing spearguns to come charging at you. And the end is ace.

Nice video. Keep up the good work.