| I'm surprised that twin 20's aren't more popular than 18's. Not a massive difference in weight on land and underwater my 20's were very nice and neutral. I loved them for cave diving, the two big downside with 18's & 20's, obviously weight but secondly length. They make negotiating some restrictions quite difficult because they limit the angles that you can get into. My only experience with 18's has been carrying them as stages as support for another diver and they felt an awful lot more negative than the Aircon 20's I was using. I don't know that I would want to use either for open water diving, I couldn't get out the water at some cave pools while wearing them, I'd hate to try getting up a boat ladder in them. I'd rather add stages to a set of 12's.
For cave diving with stages I was using a 45lb wing. I wouldn't particularly like to use such a small wing with such a heavy set if I was going to end up floating on the surface waiting for a boat to pick me up though. If you aren't cave diving and they are your only twinset then I'll bet you'll get bored very quickly with them. |