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Note:
Sent this last night but it appears to have not gone through or was restricted
to size. After multiple attempts on Joe’s and my part to get this
loaded, now breaking it into 4 parts. Part 3 of 4 9. Dry dock trailer a)
Pros: i)
Lowers draft of submersible at launch ii)
Should negate ramp issues in b)
Cons: i)
Still have to get to the channel and dive site 10. Hydrodynamic shaped
sub hull a)
Pros: i)
Eases towing ii)
Should negate sub’s tendency to oscillate back and forth
under tow behind the tender iii)
b)
Cons: i)
Does not address issues of ramp launching and recovery ii)
Requires a tender 11. Surface tender a)
Towing i)
Pros: (1)
Available to support the submersible in an emergency (2)
Can carry additional supplies to support multiple dives (3)
Can carry additional passengers to swap out on the surface (4)
Available for use in other applications ii)
Cons: (1)
Towing is slow and monotonous (2)
Sub can put an undue strain on submersible (3)
Tow line can part and submersible loss (4)
Doesn’t address ramp launching/recovery issues b)
Mother ship (Kittredge’s 40 ft. tender with stern ramp, a
vessel with a knuckle crane, or s ship with an A-frame) i)
Pros: (1)
Increased support availability (2)
Increased range (3)
Faster time to dive site (4)
Increased linger time at dive site (5)
Available for use in other applications ii)
Cons: (1)
Requires a larger vessel significantly increasing costs. (2)
Doesn’t address ramp launching/recovery issues (3)
Increased draft limits shore access (4)
Doesn’t address ramp launching/recovery issues. (5)
Increased maintenance requirements Respectfully, Jay K.
Jeffries Andros Is., Mankind have a great aversion to
intellectual labor; but even supposing knowledge to be easily attainable, more
people would be content to be ignorant than would take even a little trouble to
acquire it. |