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November 23, 2016 12:00 pm

US Navy's High-Tech Ship Loses Power In Panama Canal

bsharma writes: USS Zumwalt suffered engine failure and collided with lock walls while transiting the Panama Canal. The ship lost propulsion in its port shaft during the transit and the crew saw water intrusion in two of the four bearings that connect to Zumwalt's port and starboard Advanced Induction Motors (AIMs) to the drive shafts, a defense official told USNI News on Tuesday. The AIMs are the massive electrical motors that are driven by the ship's gas turbines and, in turn, electrically power the ship's systems and drive the shafts. USNI News reports: "Zumwalt entered the Panama Canal following a successful port visit to Columbia last week -- a visit which the service intended to skip if it thought the engineering problems would continue, several defense officials told USNI News. The ship's engineering plant -- the Integrated Power System (IPS) -- is arguably the most complex and unique in the service. Installing and testing the system -- that provides ship additional power margins to power high energy weapons and sensors -- was a primary reason the ship delivered months late to the service. Before the casualty, the ship was set to arrive in San Diego by the end of the year and start weapon system activation period before joining the fleet as an operational warship sometime in 2018. (Zumwalt is the first of three in the $22-billion class.)

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