technical diving

Folks, pleased to share that my new book about rebreather design and operational theory, "Closed Circuit | Open Sourced" is published and available now: hardcopy via Amazon: https://www.amazon.com/dp/1985160234 e-copy via LuLu: Closed Circuit | Open Sourced by Michael Lombardi (eBook) - Lulu

Hi, I would like to understand how the GUE procedure works when one team members has lost his deco bottle and it is time to perform deco. As I understand, teammates then share their deco bottle with the diver who lost his deco bottle, but I am not clear as to how this is done. Let's say you need...

$150 o.n.o. ScubaPro harness system with stainless steel backplate Used older model ScubaPro S/S back plate with harness (including crotch strap) in very good condition. No damage, no staining. SP-used-001 by lilblackduck posted Apr 8, 2019 at 10:18 AMSP-used-003 by lilblackduck posted Apr 8...

$150 o.n.o. Halcyon harness system with stainless steel (s/s) back plate in good condition There is some wear on the harness webbing (see photos) but nothing that has to be replaced. There is some mineral build-up on the eyes in the crotch strap but no dings on the back plate and no stains...

Thanks for responding in advance, but I’m wondering how many regulator setups most posters own. Do you have separate setups that you use locally, traveling, doubles, tec, etc? Or run with one setup to do it all? My situation is that I have recently got back into Scuba Diving after a long lapse...

I am searching around the world for the best dive locations to do wreck, cave and deep tech dives. I am not cave trained but it has been calling me lately and I now know I will get full cave. I have always had the lust for rust so wrecks are my thing and deep diving is what I have been focused...

Halcyon flare o-ring service kit from SCUBAGASKETS https://scubagaskets.com/product/oring-service-kit-for-halcyon-flare/

I'm in the process of making a short cave diving documentary and put together this little teaser trailer. I hope you'll enjoy it.

Perfect condition Shearwater Petrel. 2.4" full color high resolution display. Comes with Buhlmann (with GF) and VPM-B deco models installed (VPM-B was unlocked). Hardly used, great computer but just not doing any technical diving these days. $500 + shipping. Duncan.

Haskel has decided to share their booster service videos with the Diving World. For Haskel owners who want to attempt to service your own booster, you NOW HAVE VIDEOS that cover some, maybe most, of what's required to disassemble and reassemble gas boosters. When it doesn't operate correctly...

I wrote a comprehensive report on my crossover to RAID at tech instructor level, which happened in February. Please see the link below: Course Report: RAID Tech Instructor Cross-Over

Innerspace 2018 Every May rebreather divers from all over the world descend on the beautiful island of Grand Cayman for Divetech's annual Innerspace week, one of the largest rebreather events in the world. Grand Cayman has great dives to offer for rebreather divers of every level and...

Innerspace 2018 Every May rebreather divers from all over the world descend on the beautiful island of Grand Cayman for Divetech's annual Innerspace week, one of the largest rebreather events in the world. Grand Cayman has great dives to offer for rebreather divers of every level and...

Hi all, I have a few questions pertaining to dive planning in the technical realm that I hope other members on this board can enlighten me on. 1.How do divers doing technical dives with bottom timers or gauge mode only actually go about their decompression planning? My impression is that they...

ABOUT What is TEKDiveUSA? TEKDiveUSA is an epic diving conference geared towards technical diving for both the novice and the expert diver. It does not matter if you are a seasoned explorer or if you are just tech curious. We offer a chance to meet with the technical diving community and hear...

The time to submit a nomination for theTEKDiveUSA.2018 Awards is NOW! We want to hear from you. Who are the people making an impact on technical diving? These awards are determined by the technical diving community- so you tell us! Who is inspires you? Who is truly innovative? Submit your...

"The more you learn- the more you learn"- Warren Buffet How important is it to you as a cave diver to keep growing and educating yourself? Do you have any plans this year to "get learned"? Will you find yourself in a classroom setting? Mentorship? Research? Teaching others? New toys? New...

How do you stay inspired as a technical diver? What makes you want to learn/explore/research/dive something new?

How to make a typical lake dive more awesome: Take all the toys underwater.

Have two people taking PADI Tec 45. They are looking for a third to join them to make their class go in Jan/Feb. Someone interested to chat about details? You'd need to have qualified and maintained your diving as PADI Tec 40/TDI Intro to Tech/equivalent. Can chat about starting you off in...