limeyx
Guest
Sea-Jay:A procedure change on valve drills in double for was in affect on Nov 2006.
Not what I was getting at. The valve drill for doubles is considerably more complex than just shutting off a single tank valve and back on.
Welcome to ScubaBoard, the world's largest scuba diving community. Registration is not required to read the forums, but we encourage you to join. Joining has its benefits and enables you to participate in the discussions.
Benefits of registering include
Sea-Jay:A procedure change on valve drills in double for was in affect on Nov 2006.
limeyx:Not what I was getting at. The valve drill for doubles is considerably more complex than just shutting off a single tank valve and back on.
SparticleBrane:How do they measure trim? Break out a protractor?