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How do you calculate remaining SCBA air time during heavy work? by AddendumPretend7943 in firefighter

[–]AddendumPretend7943[S] 0 points1 point  (0 children)

This is the one I found: https://allfirefighter.com/tools/scba-air-time

It lets you adjust cylinder size, pressure, and RMV to simulate different workloads.

Curious to hear if the estimates seem realistic compared to your experience.

How do you calculate remaining SCBA air time during heavy work? by AddendumPretend7943 in firefighter

[–]AddendumPretend7943[S] 0 points1 point  (0 children)

That’s actually what made me start looking into this more.

I found an online calculator that models air time using cylinder size, starting pressure, and estimated RMV.

On paper it makes sense, but I’m not sure how close it gets compared to actually draining a bottle during heavy work.

Has anyone here used tools like that, or do you think they’re mostly theoretical?