CV-17 Shandong (002 carrier) Thread I ...News, Views and operations

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bd popeye

bd popeye

The Last Jedi
VIP Professional
I served aboard Midway which had big problems with her ballast. She always listed to Starboad. This was due to ballast and the re-furbished angle deck.

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, Former U.S. Naval Aviator/combat fighter pilot.
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Ballast, both fixed and movable. At the bottom of an aircraft carrier are tanks that contain the movable ballast of fuel, seawater, fresh, black and gray water. These fluids are pumped in and out of these separate ballast tanks as needed to maintain stability.

In older carriers concrete was used for fixed ballast. Today Nimitz Class carriers use a substance called "Perma Ballast," an iron ore substance although fixed, is still removable and reusable. And of course the heaviest equipment and machinery are situated in the lower part of an aircraft carrier to aid in stability.

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I remember serving aboard the USS Midway shortly after she came out of a major overhaul that included adding a much larger and wider flight deck. During her subsequent sea trials the ship went into a hard starboard turn that resulted in a steep port list. Unfortunately she couldn’t right herself and she remained in the severe list, all the way back into port. The ship then went back in the overhaul yards where many tons of concrete ballast were pumped into her bottom, so that she could once again sail upright and level.

Related to USS Nimitz Class carriers' ballast: @
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Intrepid

Intrepid

Major
Richard Santos said:
As I recall, the Midway was fitted with asymmetrical underwater hull blisters during her refit to help her maintain an even keel with the angle deck. So after the refit, her underwater hull shape on the starboard side was not an mirror image of the port side.
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May be, a good view of the blisters added to the hull:
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. As I heard, the Navy never became happy with this malformed ship
 
Blitzo

Blitzo

Lieutenant General
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SteelBird said:
According to sina.com, China's first indigenous aircraft carrier will be launched tomorrow (23-April-2017)

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That's been rumoured for a while now, about a week or more from other places, and to be honest we don't even know if it's definitely going to happen.

In this case, mil sina is just repeating what other places are saying. Mil sina most definitely is not considered a reliable primary source for original PLA developments.
 
sequ

sequ

Captain
Registered Member
That's really fast. Just two years ago we saw satellite images from the empty dry dock. Now she is ready to be launched. It will probably take another two years for her to be fully deploy-able.
 
Hendrik_2000

Hendrik_2000

Lieutenant General
sequ said:
That's really fast. Just two years ago we saw satellite images from the empty dry dock. Now she is ready to be launched. It will probably take another two years for her to be fully deploy-able.
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Yup it is fast all she need now is naval ensign, marching band, red carpet and the boss himself to launch the ship. A great day for Chinese navy
 
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