Posted by tecdiver on June 07, 2002 at 11:14:44:
In Reply to: Re: hp vs. lp tanks posted by Steve on June 07, 2002 at 10:26:19:
Depend on manufacturer Faber neutral when empty HP not, it is still negative. You need to know the buoyancy characteristics of the cylinder. You are correct about air weighing the same but you are missing the charateristics of the cylinder composition.