[PSUBS-MAILIST] introduction,my self

[roberto alvarez via Personal_Submersibles]

Hi, thanks for the info,  i live on the baja california peninsula, on the
sea of cortez side, here the black market of the swim bladder of the
totoaba mcdonaldi  an endangered fish is devasting the population
this fish live at the 50 or more meters as grouper but also migrates on
groups, each pound is valued ay 300 dlls aprox,  the panguero just remove
the bladder from the female, , add some weight and send it to the bottom,
i will use the submersible to document this as will be safer stay at 50
meter on a sub than on scuba

My concep is a powered capsule, now on an egg made with 3/16 A36, one outer
shell and 1 inner shell, will have 8 reinforcement rings at 6 inch
( 36 in diameter and 45 inch between bulk heads, hemispherical or
cilindrical shells ( based on what is cheaper ) i calculate 400 pound of
lead, so will add concrete on the center area to reduce lead and make ir
more stable as will travel or dive vertical, based on the acrylic viewport
design i calculate 24 inch in diameter and 1/2 inch inch tick for the 150
feet range, at first will made a solid top shell with an small viewport for
install a camera and have the info on screen,also will install imaging
sonar transducers for the external
i attach a picture if my concept and calc ( float level,volumen,weight and
pressure at 50 meters)
may be some one build this before, will design to 250 feet to be safe at
150,
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