'Recreational' deco planning

[Col]

I just use the compee for this sort of dives (35ish), but any thing above the 40m mark I'll work it out on tables and stick the 'puter into gauge mode

[RickG]

I've got an exam on safety critical real-time systems tomorrow morning and I can see this getting used as a case study - "90% of divers questioned admitted to relying on their computers"!

I have to confess that I only really use tables for air planning and to give me a rough idea of the amount of deco I'll be doing - if my computer breaks the backup plan is to hang from the 6m marker on my DSMB reel for as long as my air lasts

Sheer laziness which I have vowed to stop when I start using Nitrox.

[Mr T.]

*bump*

[Garf]

I'm going to add a comment as my planning has changed since January

I now plan any dive requiring deco on decoplanner, using 80/20 gradient factors as this gives me a pretty similar profile to the VR3. I use this to do the gas planning and "oh shit" tables, than fly the VR during the actual dive.

[Chris Bone]

If im diving in this range then my back-up Vyper is set in nitrox mode instead of gauge and if VR3 dies then it's not a problem just follow the vyper and add some deep stops by halfing the distance from the bottom to first mandatory stop.

[Mark Chase]

Originally Posted by Garf

I'm going to add a comment as my planning has changed since January

I now plan any dive requiring deco on decoplanner, using 80/20 gradient factors as this gives me a pretty similar profile to the VR3. I use this to do the gas planning and "oh shit" tables, than fly the VR during the actual dive.

I hope you meen 20/80GF or you will be racing up to 6m and staying there for about a week

ATB

Mark Chase

[Garf]

my bad

[NotDeadYet]

Depends on the dive. I just use a timer on all dives (sold my computers about six years ago), if it's a multilevel dive then I use 10min @ 30m > 10min @ 20m > whatever @ 10m and dive within that range. If it's a shallowish square profile dive then I know the NDL for the depth, deeper then I check it against the deco software on my Palm.

Cheers,

Stuart

[Bogwoppit]

I used to jump in and prey to the God of the Vytecs to keep my a** safe.

I know use V planner to plan the dive with different scenario's I then check this against NDL's and also Deco tables. I still use the Vytec but I add in the stops from Vplanner and use it the gas switching feature from the Vytec just to make sure.

So if the Vytecs happy and Vplanner is happy and so are my tables (carried in my pocket) happy then so am I!

I can remember diving on air and coming up exhausted and sleepy when I first began to dive. I now know that I was full of Micro bends and being a twonk. Thats what you get for relying totally on computers I guess.

[Garf]

I do like V Planner but the profiles are too different from the VR3 to use it effectively for gas planning, hence my use of decoplanner. as soon as delta-p release a VPM-B upgrade for the VR3, I'll switch back to vplanner.