View Single Post
  #145 (permalink)  
Old 05-12-04, 11:33 PM
Mark Chase's Avatar
Mark Chase Mark Chase is offline
A short fat well off crap cave diver. Likes wrecks
 

Join Date: Dec 2002
Location: Kent
Posts: 10,541
Mark Chase was born with gillsMark Chase was born with gillsMark Chase was born with gillsMark Chase was born with gillsMark Chase was born with gillsMark Chase was born with gillsMark Chase was born with gillsMark Chase was born with gillsMark Chase was born with gillsMark Chase was born with gillsMark Chase was born with gills
Quote:
Originally Posted by Diving Dude
l bought a Vytec with integrated sensor, what a waste of dosh.
l bought it with the view that you could use it for accelerated deco, well on a recent dive to 57mtrs it went from reading 70 bar to 300 bar before it stopped reading the contents.

Also what's the point of having a three gas changes when it's not a trimix computer?

Now like many others l use it now as an expensive depth/timer with a VR3.

Hmmmmm

Air intigrated in not my thing so I wont coment on that.

Like Howard I have a VR3 which is the best tec diving computer on the market. However its dammed expensive and not everybody wants to dive trimix past normoxic levels.

Prior to getting the VR3 I did a lot of deco diving down to 45m-50 using the Vytec. If you look at deco profiles on Decoplanner using elevated 02 mix for deco you can use 20-30% HE in back gas and it does not add to deco. In most cases it reduces deco. I stress again that you must use elevated 02 for deco to get this advantage.

As a result I dived for two years using the Vytec and a mix like 23/25 back gas 32% and 80% for deco on dives like the Moldavia. It worked fine for me but I ended up adding deep stops to the profile manually (rather like I do with the VR3)

Dive planning on the Vytec is a PITA so use Decoplanner set to 20/80GF and you get a run time that’s near as damit the same. There is a lot of good diving in the 30-50m deco range and the Vytec covers it reasonably well. Past that you need a VR3.

ATB

Mark Chase
__________________
Mark, dispite the fact your a Heron shagging tosser I agree with you , Steve S 10/04/08
ATB as most people will tell you, means Always Talking Boll@cks. My responses to threads should be treated accordingly
All The Best

Mark Chase


Screw the force Luke, use the VR3
Reply With Quote