[Subsurface-divelog/subsurface] Recreational dive planner (#262)

[Robert Helling]

Jan,

> On 19 Mar 2017, at 13:59, Jan Mulder <jlmulder at xs4all.nl> wrote:
> 
> I understand where I was thinking the wrong way. I had set slow ascent speeds, and did not really notice the change of scale of the entire window when changing data of the profile. What is still counter intuitive for me, is that it is called recreational dive mode, but taking into account slow ascend speed (3m/min from 50% up, 1m/min from 6m) you still can achieve TTS values of 20 minutes (for a dive to 30m). The counter intuitive part for me is, that I am not aware of any recreational dive courses that take into account different ascend speeds depending of depth. Obviously, this is something very well known in the technical diving scene. And TTS of 20 minutes can hardly be considered recreational.
> 
> 
It uses the ascent speeds that you set. Would your rather assume some standard speed like 18m/min or 10m/min? I don’t think this would be a good idea.

Just as a remark: It seems, in their most recent versions both major dive planning programs v-planner/multi-deco and pasta deco added their version recreational mode (or something like that: Stay as long on the bottom as the gas allows). It seems, we were trend setters somehow…


Best
Robert

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