Battery Power Rating - What does âAh' mean? Finding the correct battery size for your requirement can prove difficult, with terminology appearing somewhat confusing. Most lead acid batteries are manufactured to 2V, 6V or 12V, however the 'Ah' rating can be greatly varied. So what does âAh' mean and how does this affect your choice?
On the other hand a planing hull is like the wing of an airplane and as speed increases, it creates lift and rides on top of the water, just like your flat hand lifts in the wind. A good example is a regular surfboard.
The purpose of the Recreational Dive Planner is to. make all dives no decompression dives. Proper plan-. ning assures that all dives, single or repetitive, are. within the no decompression limits by controlling the. length of the dive, the depth of the dive, and the sur-. face interval between dives.