Re: Planner SAC rate - imperial

Robert Helling Wed, 06 Aug 2014 01:24:28 -0700

On 06.08.2014, at 06:08, Gaetan Bisson <[email protected]> wrote:

[2014-08-05 20:55:00 -0700] Richard DePas:
On Tue, Aug 5, 2014 at 8:39 PM, Richard DePas <[email protected]>
wrote:

Ran one of my deeper dives through the planner to see how different mixes
would change deco. I know my normal SAC is about .40cuft/min so I assumed I
would need to put in 40 for a SAC rate. Said I would have been out of gas
pretty quick. I then adjusted it until I displayed .38cuft/min in the
graph. The result was putting 11 in the SAC rate. Is this a metric vs.
imperial thing or am I looking at this wrong?

[image: Inline image 1]

Looks to me like the SAC referenced in the planner is psi/min where the one
displayed in the graph is cuft/min. First time using the planner and this
is a bit confusing for me.

I believe it's in liters per minute: your 0.40 cuft/min convert to
0.40*28.3==11.3 liters per minute. Using psi/min would not make much
sense as that would make the SAC depend on the cylinder capacity.

Indeed this was the case. This patch makes the SACs be in cuft/min in imperial units. Some more comments in commit message.

Best

Robert

0001-Make-SAC-values-in-planner-settings-respect-unit-set.patch
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Robert C. Helling     Elite Master Course Theoretical and Mathematical Physics
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Re: Planner SAC rate - imperial

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