Mako Mania YW-127

Type:
artificial reef, tanker, US Navy YW-83 class
Built:
1945, Surgeon Bay, WI, USA, as YW-127
Specs:
( 165 x 33 ft )
Sponsor:
GPPCBA, Budweiser
Sunk:
Thursday July 16, 1998 - Sea Girt Artificial Reef
GPS:
40°06.419' -73°41.460'
Depth:
125 ft
YW-83 class water tanker
Mako Mania reef

This small tanker was built to carry (of all things) saltwater. This was used to test the desalination plants of other vessels in port, where saltwater might not be readily available. It is probably a good idea to make sure your desalination plant works before leaving on a long ocean voyage. She was YW-127, a tanker configuration identical to what were also known as "YO"s, small tankers/lighters which carried oil or gasoline. The designation "YW" signifies that she was a water carrier. YW-127 was placed in reserve in 1980, and stricken from the Navy register in 1994, and had been tied up at the Philadelphia Naval Shipyard for years before being selected for use as an artificial reef.

Mako Mania reef
Explosive charges go off, opening holes in the hull. Note the Budweiser banner just behind the bridge.
Mako Mania reef
Going ...
Mako Mania reef
Going ...
Mako Mania reef
Gone.
Mako Mania reef
The ship is upright on an even keel

Rechristened the " Mako Mania" for the fishing tournament that partially sponsored it, the ship now lies upright and intact as New Jersey's 102nd reef vessel. The stern house is at 85 ft depth, while the bow is dug in slightly at 115 ft. The bottom is presently at 125 ft, but expect that to increase somewhat as the hull settles and currents scour out a depression around it.

Anything of value was stripped from the hulk prior to sinking - so there are no portholes, valves, etc. The cargo holds are filled with huge earth-mover tires and will someday be lobster heaven. The rest of the ship can be penetrated through two large skylights near the stack. The smokestack itself is capped off and was painted with black and yellow tiger stripes. ( In hindsight, that's probably rust. )

Mako Mania reef

"Mako Mania" is a twin to the "John Dobilas" and the "Captain Bart". See construction for more photos of this class of ship.

Mako Mania reef
A deck cleat, with tow ropes still attached.
Mako Mania reef
Some empty portholes ( taken on the day of the sinking. )
Mako Mania reef
"Artifact" recovered by the first group to dive the new reef.

Historical details courtesy of diver Alex George.


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An Explanation of Professor A.A. Buhlmann's ZH-L16 Algorithm

by Paul Chapman

Note to new divers and potential new divers:

This information is presented for general interest. Don't be scared off by what you see here - you don't need to learn any of this to become a safe and competent scuba diver. You will however need to understand dive planning.

The following is a summary of the decompression algorithm described by Dr A.A. Buhlmann in the fourth edition of his book Tauchmedizin ( diving medicine ) published in 1995 ( only in German. ) the book contains a considerable amount of other information and is published by Springer-Verlag ISBN 3-540-58970-8. Rumor has it that at the time of writing ( November 1999 ) an English translation is being prepared for publishing, so hopefully, in due course, this document will become redundant.

The algorithm is simply a "recipe" for modeling the behavior of inert gases, which diffuse in and out of our body tissues when breathed under varying pressures. The intention is that if the recipe models the actual processes in our bodies accurately enough, it can be used to plan dives ( and other pressure exposures ) with a view to avoiding decompression sickness.

Printed from njscuba.net