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Here's another semi submersible that works on the
same idea somewhat as the yellow submarine link in my previous e mail
below.
For those members who want to get underwater
but don't want to worry about ballast, tanks,
buoyancy calculations, etc,
this is another one that would be safe to learn on
before maybe later going to a completely
submersible sub. At only 40
inches underwater the pressure isn't too much to
worry about.
I had a similiar idea of using 3 large tanks
connected to each other with pivoting booms and the
middle tank would have viewports and
be weighted
on the bottom and
heavier than the other two tanks which would act as buoyant surface pontoons
while the middle one would
submerge and that would
bring the two outer pontoon tanks together side by side as buoyancy tanks on the
surface that held the
third underwater tank's
submerged weight, then blow third tank ballast to be on the water
surface level with and between the other two pontoon tanks.
Of course you would have a long stove pipe style
hatch going all the way to the surface so you could climb out of the
submerged
middle tank hull to the surface whenever
you wanted. So although the third tank in my idea would be submerged, there
would be a
chimney so to speak always going above to the
surface. I would make the pivoting booms so when the middle tank was
submerged
the "chimney hatch" would always protrude above the
water line and have a small freeboard decking around it also.
With a large enough tank
and enough weight
to take her under, my 3 tank semi sub would make a nice underwater lounging
cabin. Not a true sub but
not bad either! Imagine you
and your cabin mate looking thru the portholes with lights installed outside and
then hopping up the chimney ladder to the surface
to catch the sunset over
the ocean and then spending the night below in your portholed submerged cabin.
Can you see it? Engines could be in the topmost
pontoons or the submerged one. Snorkel to the
surface would supply engine air if engine in submered tank.
Possibilities.
This fellow has used a
similiar principle but with a smaller cabin..... http://www.rqriley.com/aquasub.html
Bill.
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