about GF on deco software
- Thread starter hakura
- Start date
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30% gives a rasonable first depth for a stop.. personally I use either 10 or 20 depending on what I allow my HF high to be set at..hakura:
running100/100 (so,e software you would have to do 99/100 or 95/100) is the same as running a pure puhlman with 0% conservatism.. most (not all) non gf deco programs that have a 0% setting actually still have some built in conservatism (depending on how its implemented usually falls in the range of about 90-95 setting on a gf based deco program)
If you aren;t sure what the settings do you shouldn't be using the software.. If you were trained using a gf based deco program your instructor should have explained the effects of the various settings
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It depends on the exposure. The more extreme the exposure, the less conservative the 2nd (surfacing) gradient needs to be. On mild exposures, bubble models and Buhlmann/Haldanian models will require roughly the same amount of decompression assuming the deep stops are done in the Buhlmann/Haldanian model. But bubble models can also require a little longer decompresson on the very mild exposures. So, on mild exposures, the 2nd GF should be more conservative if you desire a conservative profile. But as the exposure gets more extreme, bubble models will require less decompression than the Buhlmann/Haldania models. So setting the 2nd GF at the least conservative setting will still be more conservative than the bubble model calculations.hakura:
My first question is why from 30% to 85%.
Can we dive with the GF from 100% to 100%?
Because these are fairly conservative numbers that are unlikely to get a diver trained in decompression procedures hurt.
Can we dive with the GF from 100% to 100%?
If you're a grownup, you can do most anything you want. The better question would be, "Can I survive a dive with the gradient factor set to X/X?" Like padiscubapro said, if you don't know what this stuff is, talk to your instructor about getting your money back. You did take the class, right? 
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