Logbook Scuba Dive # 277 - Lonsdale Wall

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Date:	Entry Time:	Dive Time:	Max. Depth:
Sun, 27-Jun-2010	09:01:00	39 minutes	30.8 metres
Dive Location:		City / Island:
Lonsdale Wall		Port Phillip, VIC
Country:		Dive Master:
Australia		Mark Ryan
Dive Shop:		Dive Trip:
Aquability		-
Buddy/Buddies:
Brendan Stevenson, Mark Ryan
Dive Details:
Entry:	Boat Name:
Boat	-
Start PG:	Entry Time:	Exit Time:	End PG:
A	09:01:00	09:40:00	-
Altitude:	Rep. Dive:	Surface Interval:
0 m	No	-
Max. Depth:			Avg. Depth:
30.8 metres			16.71 m
	Dive Time:		Deco. Dive:
	39 minutes		Yes
Conditions:
Weather:	Air Temp.:	Water Temp.:
Cloudy	15 °C	12 °C
Water:	Waves:	Current:
Salt	No Waves	No Current
Visibility:	Horizontal Vis.:	Vertical Vis.:
Good	-	-
Equipment:
Weight:	Dive Suit:	Dive Computer:
8 kg	Wetsuit 7 mm	Suunto Vytec DS
Equipment used on this dive:
Apeks XTX200 Regulator - Stage 1 \| Apeks XTX200 Regulator - Twin Primary \| Apeks XTX200 Regulator - Twin Secondary \| Apollo Bio-Fin Pro \| Buddy Pocket Reel \| Buddy Surface Marker Buoy \| DUI Weight & Trim 2 Harness \| Faber T1 12.2L Steel Cylinder \| Faber T2 12.2L Steel Cylinder \| Mirage A250 Wrist Slate \| Neptune Scorpion Gold 7mm SemiDry Wetsuit \| Northern Diver Superstretch 2mm Neoprene Gloves \| Northern Diver Thermalskin \| Oceansuits 3mm Hood \| OMS 300 bar Rotating Cross Bar Manifold \| OMS Compact Quick Dump Weight Pockets \| OMS Dual Bladder, Banded Wing - Rec \| OMS Dual Cylinder Bands \| OMS IQ Pack BC Harness \| OMS Silicone Necklace Secondary - Tech \| OMS Stage Kit - 1 \| OMS Stainless Steel Backplate \| OMS Submersible Pressure Gauge \| Performance Diver Multi Purpose Boots \| Sonar Explorer Aqua Silicone Mask \| Suunto SK-7 Compass Wrist - 1 \| Suunto Transmitter - Tech \| Suunto Vytec DS Dive Computer \| Waterborne Safety Strap - Vytec

Cylinder Set #1
Cylinder Type:	Cylinder Size:	Working Pressure:	Supply Type:
Steel	12 litres	232 bar	Open Circuit (OC)
O2:	He:	Min. PPO2:	Max. PPO2:
32%	0%	-	1.4 bar
EAN 32	MOD:	EAD:	END:
EAN 32	33.7 m	27.7 m	33.7 m
Start Pressure:	End Pressure:	Diff. Pressure:
224 bar	142 bar	82 bar
Avg. Depth:	SAC Rate:
-	-

Cylinder Set #2
Cylinder Type:	Cylinder Size:	Working Pressure:	Supply Type:
Alumimium	11 litres	200 bar	Open Circuit (OC)
O2:	He:	Min. PPO2:	Max. PPO2:
50%	-	0.19 bar	1.6 bar
EAN 50	MOD:	EAD:	END:
EAN 50	22.0 m	10.3 m	-
Start Pressure:	End Pressure:	Diff. Pressure:
-	-	-
Avg. Depth:	SAC Rate:
-	-

Avg. Depth:	SAC Rate:
16.71 m	9.45 litres/min
Gas Mixture:
Nitrox 32% - Back Nitrox 50% - Stage 1

Instructor: Mark Ryan, Aquability Boat Name: Dive Victoria, Portsea First dive of my TDI Advanced Nitrox Diver and TDI Decompression Procedures Diver courses with Mark Ryan as the instructor. Brendan was along to be my dive buddy and practice skills. We'd made considerable changes to my gear configuration prior to this dive. Hoses rerouted and lenths changed. Octopus now on a necklace around my neck. We'd setup the stage cylinder differently and this was going to be my first time in the water with this stage cylinder. I was also using a new Buddy Pocket Reel for the first time. The dive was supposed to be on Nepean Wall. But on arring at the site, Bob made the call that Lonsdale Wall would be much better given the conditions. The three of us went into the water together. Proceeded down the wall to our planned maximum depth and Mark started to put us through some drills. Learnings: Couldn't reach the valve knobs for shutdowns. Stage cylinder was negatively buoyant and didn't sit well. Needed to make significant changes to my gear setup. The Buddy Pocket Reel wasn't going to suit me for these dives. Should try a finger spool reel. Split fins cause you to move around a lot more than the others. Needed to learn some skills a lot better.

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