This article was originally published with the title “ Self-Propelled Steel Barges for the State Barge Canal, A Few Facts and a Little Fancy ” in Scientific American Magazine Vol. 125 No. 8 ...

Shugart said the barges are “fully self-propelled landing ships.” He made this conclusion based on the presence of dual pilothouses and radars. The analyst said the vessels have what appear to be six ...

It succeeded the next day and was joined by a small tanker used to refuel the self-propelled barges, making for a total of four ships moored at the same time – a first for the formation.

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The 57m self-propelled sand suction barge Kaipara Karrier VII was launched at Culham Engineering’s Hewlett St site on Tuesday after 18 months of work.