Jonnythan's 8 minute dive drill sounds interesting. This is how I plan to go about it:
1. Forget about ascent/descent and just spend a tank hovering at different depths (bouyancy control drill).
2. Once satisfied with the above forget about ascent rate and just spend the tank practicing descending 10 feet in 30 seconds! (descent control drill)
3. Once satisfied with the descent rate, practice ascent at 10 feet in 30 seconds! (ascent control drill)
4. Once the above 3 have been mastered THEN I will try them all together in Jonnythan's drill.
That in my opinion is the shortest/most efficent way of conquering that drill. If broken down in its components and tackled individually I believe it will take 4 days of diving to get it right. If I try the whole thing every day, then I could be practicing for months and still notmake it up in 8 minutes.
This is definately something worth giving a shot
1. Forget about ascent/descent and just spend a tank hovering at different depths (bouyancy control drill).
2. Once satisfied with the above forget about ascent rate and just spend the tank practicing descending 10 feet in 30 seconds! (descent control drill)
3. Once satisfied with the descent rate, practice ascent at 10 feet in 30 seconds! (ascent control drill)
4. Once the above 3 have been mastered THEN I will try them all together in Jonnythan's drill.
That in my opinion is the shortest/most efficent way of conquering that drill. If broken down in its components and tackled individually I believe it will take 4 days of diving to get it right. If I try the whole thing every day, then I could be practicing for months and still notmake it up in 8 minutes.
This is definately something worth giving a shot