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Post subject: Chamsuri-Class patrol boatsPosted: April 1st, 2020, 8:32 am
Posts: 43
Joined: September 30th, 2015, 1:50 pm
Chamsuri-class patrol boats are workhorses of Republic of Korea Navy, fending off North Korean intruders from ROK waters since 1970s, conducting anti-smuggling, anti-piracy and fisheries protection patrols while not deployed near DMZ. One boat, PKM-357 was lost to a North Korean attack (and later was filmed in a movie about that incident, "Northern Limit Line"). Also boats of that class were exported and/or gifted to a number of countries, including Philippines, Kazakhstan, Timor, Bangladesh and Ghana.

First batch of Chamsuri-class included 27 boats. Now most of them are retired and sold and/or scrapped.
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In 1980s building of second batch, which differed with more powerful armament, now consisting of one 30-mm Emerlec mount forward and two 20-mm Sea Vulcan gun mounts in place of 40mm/60 Mk3 Bofors mount aft, somewhat different superstructure and mast, began. 28 boats were built to this design.
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In 1990s the latest batch of chamsuris was built - it had the heaviest armament of the entire class, consisting of one 40-mm bofors in Daewoo ADS powered mount forward, two Sea Vulcans aft and two machine guns amidships. Also some chaff/flare launchers were added. Most of batch-3 boats continue to serve nowadays, and PKM-357 was of this type.
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Finally, in 2008-2014, 21 patrol boats of GA826-Class were comissioned by the ROK Navy. While not being considered to be a batch of Chamsuri-Class, these small harbor defence boats are actually smaller versions of Chamsuris with reduced armament and shorter hull.
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In 2000s, several batch 1 boats of Philippine Navy were "uprgaded" by removing forward 30-mm Emerlecs, placing aft 40-mm Bofors mk3 in place of it and adding 4 12,7-mm M2 Brownings aft, as well as adding an ability to carry a RHIB in place of aft bofors mount.
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Post subject: Re: Chamsuri-Class patrol boatsPosted: April 1st, 2020, 7:20 pm
Posts: 9365
Joined: June 15th, 2011, 8:31 am
Nice work.
I only have some reservations about the screws - the shaft seems IMHO at bit too much angle, ending too low, and screw itself being too small.

https://www.naval-technology.com/wp-con ... -class.jpg

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