Quiz - Recreational Dive Planner™ - Total Minutes

[scubadada]

The other thing likely missed is the "WXYZ" rule.

Yup, that's me. I didn't remember the W, X or Y, Z rules and did not review the instructions at the bottom of table 3. Without the W, X rule I got one of the listed answers and chose that. With the W. X rule I get one of the other answers, very likely the correct one. Either way, you end the 3 dives in Z, with at least a 3 hour SI . I'm glad I've been using a computer since 2002 .

 

[loosenit2]

but 100+' means minimum of 1 hr SI so rules broken]

from where do you derive this rule?

 

[rhwestfall]

from where do you derive this rule?

I don't remember, but something sticks in my head of 1hr SI min if exceeding 100'. Perhaps it is just what we do here in the Great Lakes. Always have...

 

[scubadada]

I don't remember, but something sticks in my head of 1hr SI min if exceeding 100'. Perhaps it is just what we do here in the Great Lakes. Always have...

However, for you, we have another special rule:

 

[boulderjohn]

I don't remember, but something sticks in my head of 1hr SI min if exceeding 100'. Perhaps it is just what we do here in the Great Lakes. Always have...

My guess is you are confusing this with the WX rule, which requires 1 hour surface intervals if any of 3 dives ends in the W or X pressure group. Those rules were based on the observation of data related to multiple long but shallow dives. You can't get into the W or X groups unless your dive is 60 feet or shallower.

 

[tursiops]

somehow I got 232 hacking through the eRDP with no idea what I was doing....
13+3+12+54+3+52+92+3

Make that 52 into a 60 (WXYZ rule) and you are good to go.

 

[elmo]

The other thing likely missed is the "WXYZ" rule.

That's unfair... I didn't see a magnifying glass come with the rdp. Surely if it mattered it wouldn't be in such fine print.

Good catch (and my mistake)

 

[rhwestfall]

Make that 52 into a 60 (WXYZ rule) and you are good to go.

Should the eRDP give me 60? I was writing down the results in minutes and got the 52, not 60. I have no familiarity with using it..

 

[rhwestfall]

FWIW - my Wheel and +60 SI following dive #2 gives me 241

13 + 3 ss + 13 SI + 54 + 3 ss + 60 SI + 92 + 3 ss = 241

This has been a good challenge!

 

[scubadada]

FWIW - my Wheel and +60 SI following dive #2 gives me 241

13 + 3 ss + 13 SI + 54 + 3 ss + 60 SI + 92 + 3 ss = 241

This has been a good challenge!

Just a minute off. 1st SI is 12 min