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Alberto Fabrici
  • Male
  • Pordenone
  • Italy
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Alberto Fabrici's Page

Latest Activity

Alberto Fabrici and Roland are now friends
Jan 29, 2012
Alberto Fabrici is now friends with Matteo Sacher, Romina Rossi and marco neopensi
Oct 24, 2011
Alberto Fabrici and Mara Colautti are now friends
Jul 18, 2011
Alberto Fabrici and Daniel Wharmby are now friends
Jun 25, 2011
Alberto Fabrici and Andrea Schenato are now friends
Apr 12, 2011
Alberto Fabrici liked Unified Team Diving's video
Mar 15, 2011
Alberto Fabrici and Daniel Schelvis are now friends
Oct 19, 2010
Alberto Fabrici joined Unified Team Diving's group
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UTD Adventures

A group dedicated to providing information about where and when UTD will be going diving. Join us for some great dives, explorations, and adventures with Unified Team Diving.
Oct 14, 2010
Alberto Fabrici commented on Unified Team Diving's group MC Series mCCR Rebreather
"Ciao Nick, felicissimo di "rivederti". Se riusciamo, io e Flavio, passiamo a portarti una bottiglia ... di quelle che tira su. :) A presto, Alberto"
May 18, 2010
Alberto Fabrici is now friends with Emanuela Bertoni and Adam Korytko
Feb 27, 2010
Giancarlo Casale commented on Alberto Fabrici's video
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Wreck Lina

"be devo dire che siete bravini in acqua..hihihi...;-)"
Dec 8, 2009
Alberto Fabrici posted a video

Lina

02:29
Dec 8, 2009
Mara Colautti left a comment for Alberto Fabrici
"grazie! è un nuovo mondo veramente fantastico!"
Nov 12, 2009
Alberto Fabrici and alex marson are now friends
Nov 11, 2009
alex marson left a comment for Alberto Fabrici
"orrizontale si, ma c'e' ancora da lavorare..."
Nov 11, 2009
Alberto Fabrici left a comment for Mara Colautti
"Ciao sorridente, benvenuta tra di noi!"
Nov 10, 2009
Alberto Fabrici left a comment for alex marson
"Benvenuto caro Alex. Felice di vederti ... orizzontale ..."
Nov 10, 2009
Alberto Fabrici updated their profile
Oct 31, 2009
Alberto Fabrici joined Unified Team Diving's group
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MC90/MC160 mCCR Rebreather

A group dedicated to people interested in the MC or MX Series (Explorer / Expedition) mCCR RebreatherSee More
Oct 31, 2009
Alberto Fabrici posted photos
Oct 31, 2009

Profile Information

What are your levels of training?
Instructor, Trimix Diver, Technical Diver, Scooter
Favorite Dive Sites (water, not internet)
Springs, wrecks,
About me:
I'm a Normossic Trimix Instructor UTR-TEK
If you are an Active Status UTD Instructor, what classes do you teach?
UTD Instructor - Intro To Tech
Do you agree to read and follow the UTD Community Code of Conduct when you join this site? When you join our site, you are automatically subscribed to our newsletter. However, you can easily unsubscribe from our list when you receive your first issue. Do you agree that photos and videos you upload on this site can be used on other UTD social network websites?
Yes

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Comment Wall (6 comments)

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At 4:49am on November 12, 2009, Mara Colautti said…
grazie! è un nuovo mondo veramente fantastico!
At 11:11am on November 11, 2009, alex marson said…
orrizontale si, ma c'e' ancora da lavorare...
At 6:58am on October 30, 2009, Giancarlo Casale said…
Congratulazioni...Alberto....Auguri per il tuo nuovo traguardo!!!!
At 12:06pm on October 29, 2009, Kristof Damen said…
Hey Alberto

I'm sorry for you you couldn't join us for the inwater part because of your illness. You prooved you were well prepared and showed us some nice teaching. Nice to meet you too and I hope I will soon make some nice dives with you and Flavio at your place. Keep in touch... and keep wet!

Kristof
At 10:09am on May 11, 2009, Andy C. Huber said…
Alberto,

Just to make sure I understand your question, is it correct that the dive time in your example is only 20 minutes? This is the only time I can see in your message. In our 1:1 ratio using 25/25 and O2 for deco, a 100'/30m dive is a fairly benign dive - as a matter of fact truly an non-decompression dive because the NDL is 30min. This is what is confusing me a bit about your question.
Let's say that you have a 45min dive at 100'/30m using the same ratio - this now results in 20min of deco. Again you are correct by allocating 10min in the 70'/21m to 30'/9m segment and the remaining 10min in the 20'/6m to the surface segment. Now, the first segment is conducted on backgas and therefore exponential in shape. Again you are correct by stating that the deco starts at 50% of the max. depth, i.e. 50'/15m. Your curve could look something like this:

50'/15m 2min
40'/12m 3min
30'/9m 5min

The O2 segment could be like this:

20'/6m 5min or 20'/6m 7min
up for 5min up for 3min

Now the only thong left is the deep stops starting at 75% of max depth. You are only 15min over your NDL, therefore the times are ones. So the final profile could look like this:

70'/21m 1min
60'/18m 1min
50'/15m 2min
40'/12m 3min
30'/9m 5min
20'/6m 7min
up for 3min

Now, i understand that this does not answer your question entirely. Even this dive is a fairly easy dive - only 20min of deco. Is it worth to carry an extra bottle of O2 which you - I certainly don't think so. (Also let me just throw the official disclaimer in that one must be trained to carry 2 deco gases.) The drag versus the benefits are certainly not worth it in my mind. Also, keep in mind that the O2 window is not exactly huge between 25/25 and EAN50. Both have still 50% N2 as well. Not really ideal.
But, let's assume that you are doing a 90min dive at 100'/30m then I would certainly consider adding an EAN50 bottle. I would not necessarily give myself deco credit for the additional bottle (depending on the circumstances) but it helps maintain a reasonably safe rock bottom. Your dive partner will be happy for that...

As you can see, there is not a real black and white answer to most decompression questions. We as think divers have to look at the end result, such as coming out of the water as clean as possible versus 'I have to get out because of an emergency', and make our decisions as a team.

I hope this helps.

Andy
At 5:58am on May 6, 2009, James Mott said…
Hi and welcome. I'm so glad you decided to join us here at Unified Team Diving!

My name is James Mott and I am one of the UTD instructors based in the Great Lakes area. If you have any questions or comments, please feel free to contact me or any of the other instructors, we would be more than happy to help you.

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Happy diving!

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