wetROKsdiving

Last time we talked about surface air consumption rate and how to calculate it using an Aluminum 80 cylinder. But what if you change to a different sized cylinder? This time, I”ll show you how to convert your Surface Air Consumption Rate to Respiratory Minute Volume so you can calculate bottom time with different sized cylinders. Read the rest of this entry »

Perhaps one of the most difficult concepts for beginning divers to grasp is Surface Air Consumption Rate or SAC. Don’t feel bad, many seasoned divers also have difficulty with this. So, what is it and why do I need to know it?
Read the rest of this entry »