Here are the previous five in this series.
Triple engine/screw/stack Andrea’ might be the “newest” tugboat in the sixth boro. All those triples is not something you see every day. Of course, in the inland waters quadruples show up some time.
My question is . . . why
is there that apostrophe after the terminal A in Andrea’ ?
But briefly back to the triples . . . here’s a photo I took near the Ohio/Mississippi confluence just over three years ago of American Pillar. Click here for other Mississippi boats I photographed back then. Any idea where/when American Pillar came into service? Answer follows. And Andrea’ ?
American Pillar is here, Nashville, 1976. Andrea’ is Houma, 1999.
All photos by Will Van Dorp.
tugster: a waterblog 
6 comments
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February 20, 2016 at 12:09 pm
ws
Tanker Eagle Ford has the stack of a Rankine Cycle steam power plant:
You made pictures!
February 20, 2016 at 12:22 pm
tugster
maybe you can deconstruct this: https://tugster.wordpress.com/2016/01/16/eagle-ford/ and here: https://en.wikipedia.org/wiki/Rankine_cycle
February 20, 2016 at 5:22 pm
bowsprite
Best stacks with black ‘apostrophe’ at the top: the SS United States!
http://www.ssusc.org
(the rest of the ship…well. The stacks are still there. Good luck, SS United States!)
February 20, 2016 at 6:32 pm
tugster
you mean the fins on the stacks? http://www.nnapprentice.com/alumni/letter/Apprentice_Trivia_120903.pdf
February 20, 2016 at 7:40 pm
bowsprite
What a find, wow.
February 20, 2016 at 6:13 pm
Chris Wiilliams
Sometimes triples are used to reduce the size of each wheel, so the boat can work in shallower waters.