How does a self unloader work?

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This is one of the most informative videos I have ever seen. I had no clue how this process worked. The "C" conveyor is pure genius. Absolutely fascinating.

dans
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There is for sure that one bearing or solenoid or actuator that's hidden deep underneath inside that only a 80 pound Filipino can reach to replace, and it regularly fails

GavinY
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I sailed on M.V.CSL Atlas, a Self-Unloader; it was my first Ship as a Cadet in 1996!

neilshelar
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Back in 78 and 79 I worked on several self unloading ships on the Great Lakes. The Belle River was the most impressive at 1000 ft long with bow and stern thrusters. Consequently it rarely needed a tow boat. The 14, 000 horse power engines were also impressive.

michaeldeierhoi
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Great video. I frequent one of the locks on the St Lawrence Seaway to watch the freighters go through, and I've often wondered about their cargo loads and how they are managed. Thank you.

rollydoucet
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Thank you. I now know more about these lakers than I ever did.

Miatacrosser
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I assume that the holds are lined with porcelain tiles for wear . Most material bins in the steel mills are lined. When the tiles break loose the coke, ore, limestone or sinter will erode the steel of the bin like sand and water.

mattberg
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Great video, answers a lot of my questions. The elevator part seems as though that would be the most troublesome part of the system -- impressive that it works as well as it appears to.

Raptorman
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Not sure how I ended up here but interesting indeed

Finallybianca
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WELL DONE ON A VERY INFORMATIVE VIDEO, I JUST WATCHED ONE AND NOTHING AT ALL WAS SAID WHICH ANNOYED ME...THIS HOWEVER WAS BRILLIANT AND VERY EASY TO UNDERSTAND DUE TO THE VERY CLEAR VOICE AND SIMPLE TALK...

wanlover
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I miss the Huletts style unloader, now that was a machine.

nottyash
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Clever and efficient, but lacks the “wow factor” of the old Hulett unloaders.

LandNfan
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wandered about this very thing a few times. thanks !

imcpd
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i operated a Siwertel cement unloader its a marvelous (and costly) piece of machinery just like this one and i can safely say that i've unloaded cement to last me several lifetimes.

mannyfernandez
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I can imagine the maintenance issues with all those conveyor belts! I worked on a lot of conveyor belt systems.

JusticeAlways
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That is so cool! I work at cedar point and I always see this ship out in Lake Erie

Jgxyz
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Helpful video : no less.
I'm immensely grateful !

vlado
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Great lake sailors are tough....there's self unloader tough then there's Louis R Desmarais tough...circa late 90's

_L_o_r_d_V_a_d_e_r
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Was never sure how they worked. Now I know!

jd-lnmq
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I had seen gravity hoppers as at Marquette, Michigan on the American side. A nice video. thanks. c maki

granskare