566:, who was himself a pioneer of scientific research, the performance of these heavy artillery improved dramatically. Having built a cannon range next to the Royal Court, and after much experimentation and study, King Sejong finally increased the extent of the cannonsâ firepower from 300 metres (980 ft) to 1,000 metres (3,300 ft). Naval cannons were also developed at this time and among them, Heaven, Earth, Black and Yellow cannon were later employed by Yi Sun-sin. The development of artillery steadily continued after King Sejong, and saw the invention of the
614:, the hulls of the Japanese vessels had sharp, V-shaped bows. A sharp underside was favorable for swift or long-distance travel in the open seas because of lower water resistance (thus these ships had faster cruising speeds). Since this variety of hull had a deep draft (penetrates deeper into the water), however, the turning radius of such ships was considerably large and changing direction was therefore a lengthy process. In addition, ships with larger
120:
496:: pine for the hull and oak for the pegs and masts. Oak is a strong but heavy wood, so its use on ships was limited to the frame. Pine was also strong, but much lighter. Pine was usually allowed to season incompletely so that it would bend flexibly and not become too stiff. Despite its advantages pine had many knots and had to be cut thickly, thus the
401:
657:
in particular, being the standard warship of the
Japanese fleet, was built primarily as a transport ship and to be as light as possible, increasing its speed at the expense of structural integrity. This is consistent with traditional Japanese naval tactics of the time, which emphasized boarding enemy
386:
had a U-shaped hull and a flat keel. This feature was due to the nature of the southern and western Korean coastal waters, which have a large tidal range and flat, expansive tidal plains. A flat keel enables a ship to sit comfortably on the tideland when the tide is out, after coming ashore or inside
427:- the square sail has strong performance downwind but struggles windward, whereas the fore-and-aft lateen sail excels against the wind, at the cost of an increased crew requirement for handling. In the civilizations of Europe and around the Mediterranean Sea, square sails were used in the galleys of
577:
By the time of the
Japanese invasions of Korea, the cannons used by the Korean naval forces were capable of firing a variety of projectiles, including fragmenting iron shot, stones, and buckshot, several hundred yards. Among the most feared projectiles fired by the Earth cannons was a ballista-like
462:
had two to three levels stacked up on top of each other. By having multiple levels the rowers at the bottom were relatively safe, and marines at the top would have a height advantage over the enemy, firing down upon them and avoiding boarding of the ship. The upper deck had a tower in the middle of
696:
combat and because their ships were very fast. The
Japanese Navy's concept of sea battle was therefore one of a fight between crews rather than the vessels themselves. This was the most common naval strategy in the world during this time, and was also used by the Spanish and the home fleets of the
661:
Another major difference was the use of iron nails versus the use of wood pegs to hold the ship together. Korean ships were held together by interlocking teeth in the wood and wood pegs. The
Japanese warships, on the other hand, relied on iron nails which, as time passed and corrosion and rust set
348:
was its multiple decks. The first deck had non-combatant personnel, such as the rowers, who were positioned between the lower deck and the upper deck, away from enemy fire. The combatant personnel were stationed on the upper deck, which allowed them to attack the enemy from a higher vantage point.
477:
came in different sizes; the largest vessels estimated to range between 70 feet (21 m) and 100 feet (30 m) in length. Other sources indicate that the variation in size was greater, from 50 feet (15 m) to 110 feet (34 m). The ship usually had 8 to 10 oars on each side, 50 to 60
687:
ships, and their angle configured at will to increase the range. Since the
Japanese warships only allowed for a very limited number of cannons, their sailors mainly used muskets, which had a range of 100â200 m (330â660 ft); as such Japanese naval commanders would attempt to use a volley of
486:
Because of the rough waters around Korea's coast, as well as the sudden changes in tides and currents, Korean boats throughout history had to be strong. Korean ship building tradition created simple, but very structurally sound vessels. Throughout Korea's naval history, strength and power was
691:
The traditional and main naval strategy employed by the
Japanese was that of hand-to-hand boarding combat, whereby sailors would attempt to board an enemy ship and rely on melee weapon combat on the decks to achieve victory. This method was mainly used because Japanese soldiers excelled at
532:
had on board several varieties of cannon, such as those named Heaven, Earth, Black and Yellow. Heaven was the largest cannon with the greatest range and the most common cannon on the ships. Earth was a smaller cannon and Black and Yellow were smaller still. The Heaven cannon fired
680:
could carry at least 20 cannons, but usually carried more (in some cases up to 50). Since the hulls of Korean warships were strong enough, moreover, they were able to carry a large number of long-range cannons. These could be installed with ease on the large upper deck of
554:
Another noteworthy aspect of Koreaâs heavy fire-arms is that they were not all invented to meet the sudden emergency of war. These weapons in fact made their appearance some 200 years prior to the 1592â1598 Japanese invasions of Korea. Thanks to the efforts of
665:
This difference in structural integrity also determined the number of cannons that could be carried on board, as well as their ammunition caliber. Because the
Japanese ships lacked the strength to withstand the recoil of cannon, even the largest ship class,
697:
Mediterranean and Indian Ocean of the day. The Korean Navy, however, utilizing superior warships and firepower, engaged in a more modern, distanced kind of naval warfare, and Korean panokseons of the time were built specifically to resist
Japanese
330:
during the late 16th century. The first ship of this class was constructed in 1555. These ships were built from sturdy pine wood and, as the primary warship of the Korean Navy, they were instrumental in victories under the command of
Admiral
26:
559:, a general and a chemist, Korea began manufacturing and developing gunpowder and powder-based weapons. Korean cannons first saw action in 1380 against a large fleet of Japanese pirate ships and were found to be a great success.
701:
boarding actions. During
Hideyoshi's invasions of Korea, a vast number of Japan's transports and warships were destroyed by Admiral Yi Sun-shin's leadership, initiative, superior firepower, tactics, and knowledge of strategy.
508:
were held together by means of oak pegs, matching indentations, and interlocking teeth. This meant that as its boards absorbed water and expanded the fasteners did not rust, thus accounting for greater integrity of the hull.
447:
began in the fifteenth century, multiple-masted ships equipped with both types of sails eventually appeared. In Korea fore-and-aft sail-equipped (i.e. double-masted) ships had been in use since the eighth century. The
541:(cannon shot) which could travel up to a distance of 1 kilometre (0.62 mi). Wangu, a kind of mortar, which fired stones or shells with a radius of 20 centimetres (7.9 in), was also used by the Korean navy.
644:
used thick, high density boards, giving an overall sturdiness to the shipâs structure. Japanese warships were structurally weaker, due to the thin, lower density timber used to build them, particularly
454:
therefore had two masts by default, and possessed sufficient crew such that their position and angle could easily be managed so that the sails could be used in all winds, whether adverse or favorable.
947:
635:
ship type was an exception in that it had two masts, but the main parts of its vessels were square-rigged and their sails were again limited to use in favorable winds.
387:
a wharf at high water. It also ensures greater mobility, a shallow draft, and in particular allows a ship to make sharp changes of direction at short notice. The
369:
336:
975:
Swope, Kenneth M. (2005): "Crouching Tigers, Secret Weapons: Military Technology Employed During the Sino-Japanese-Korean War, 1592â1598",
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have a more difficult time of navigating narrow and shallower waters. Japanese ships were thus vastly less maneuverable than the
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574:, a machine capable of firing many arrows at once. One of the types of cannons were arrows with a pipe filled with gunpowder.
280:
1071:
999:
847:
1044:
749:
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1149:
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ships, smaller craft, and most Japanese transport ships had a single mast and could only sail in favorable winds. The
638:
It is worthwhile also to compare the hulls of the two nationsâ respective warships, and their relative strength. The
711:
98:
394:
1098:
393:'s features were among the main reasons why Admiral Yi was able to employ the Crane Wing formation at the
294:
578:
large iron arrow covered in incendiary material, which was used to great effect against Japanese ships.
537:(a long, thick arrow in the shape of a rocket) with a range of 500 metres (1,600 ft), as well as
946:
Derrett, DR; Barrass, Bryan (2006). "Chapter 37: Ship Squat in Open Water and in Confined Channels".
1139:
653:. These were light weight woods and as they had fewer knots than pine, could be cut thinner. The
216:
556:
326:) was a class of Korean oar- and sail-propelled ship that was the main class of warship used by
1077:
1073:
Fighting Techniques of the Oriental World, AD 1200-1860: Equipment, Combat Skills, and Tactics
1050:
1046:
Fighting Techniques of the Oriental World, AD 1200-1860: Equipment, Combat Skills, and Tactics
1005:
1001:
Fighting Techniques of the Oriental World, AD 1200-1860: Equipment, Combat Skills, and Tactics
956:
897:
853:
849:
Fighting Techniques of the Oriental World, AD 1200-1860: Equipment, Combat Skills, and Tactics
809:
755:
751:
Fighting Techniques of the Oriental World, AD 1200-1860: Equipment, Combat Skills, and Tactics
670:, could carry only four at most (six if there were two smaller breech loading swivel guns). A
716:
563:
444:
119:
1134:
1070:
Haskew, Michael E; Jörgensen, Christer; McNab, Chris; Niderost, Eric; Rice, Rob S (2008).
1043:
Haskew, Michael E; Jörgensen, Christer; McNab, Chris; Niderost, Eric; Rice, Rob S (2008).
998:
Haskew, Michael E; Jörgensen, Christer; McNab, Chris; Niderost, Eric; Rice, Rob S (2008).
846:
Haskew, Michael E; Jörgensen, Christer; McNab, Chris; Niderost, Eric; Rice, Rob S (2008).
748:
Haskew, Michael E; Jörgensen, Christer; McNab, Chris; Niderost, Eric; Rice, Rob S (2008).
317:
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428:
1123:
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204:
615:
570:, a timed grenade that flung out hundreds of metal shards upon explosion, and the
891:
803:
721:
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440:
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365:
332:
1030:
Science and Technology in Korean History: Excursions, Innovations, and Issues
592:
and Japanese ships were significant. The Japanese equivalents were the large
921:
594:
518:
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musket fire to clear enemy ships and employ the grapple and board method.
463:
the ship that would be used for command and observation. The deck of the
432:
355:
also had a raised roofed observation platform where the commander stood.
419:
were propelled by both sails and oars. Of the two basic types of sail -
234:
In full operational conditions cannons ranged between 200 yds to 600 yds
400:
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was broad and flat, making it ideal for the installation of cannons.
436:
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248:
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71:
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264:
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oarsmen and sailors and another 125 marines (i.e. fighting men).
924:. Food and Agriculture Organization (FAO) of the United Nations
893:
Fighting Ships of the Far East 2: Japan and Korea, AD 612-1639
993:
991:
989:
987:
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435:, and the fore-and-aft variety as early as the Mediterranean
380:
In line with the traditional structure of Korean ships, the
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served as the base for the Korean warship type called the
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were built using thicker timbers. Instead of iron nails
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ships and engaging their crews in hand-to-hand combat.
335:
against numerically larger Japanese fleets during the
915:
913:
293:
279:
263:
247:
941:
939:
16:Type of large Korean warship (15thâ19th century)
922:"The Present Status of Marine Culture in Korea"
805:Samurai Invasion: Japan's Korean War, 1592-1598
890:Turnbull, Stephen R; Reynolds, Wayne (2003).
8:
949:Ship Stability for Masters and Mates, 6th ed
602:-class ships, which superficially resembled
368:, which was used to great effect during the
321:
270:
254:
490:Two types of woods were used to construct
852:. St. Martin's Press. pp. 237â245.
733:
562:In the 15th century, under the lead of
164:Large: 100 to 120 feet (30.5 to 36.6 m)
239:
20:
370:1592-1598 Japanese invasions of Korea
337:1592-1598 Japanese invasions of Korea
117:
7:
1076:. St. Martin's Press. p. 244.
1049:. St. Martin's Press. p. 155.
1004:. St. Martin's Press. p. 242.
920:Kim, Jong Sick (1â21 August 1988).
754:. St. Martin's Press. p. 154.
52:Board roofed or superstructure ship
662:in, eventually weakened the hull.
624:in Korea's narrow channel waters.
410:centering on the commander's deck.
14:
118:
24:
978:The Journal of Military History
582:Comparison to Japanese warships
1032:. Jain Pub Co. pp. 82â86.
955:. Elsevier. pp. 324â336.
487:emphasized rather than speed.
322:
271:
255:
1:
177:30 to 40 feet (9.1 to 12.2 m)
802:Turnbull, Stephen R (2002).
586:The differences between the
1104:. World Agroforestry Centre
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981:, Vol. 69, pp. 11â42 (32)
712:Military history of Korea
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153:
112:
41:
23:
1145:Naval sailing ship types
1028:Park, Seong-rae (2005).
674:could only carry two. A
108:Replicas only in museums
99:Battle of Chilcheollyang
395:Battle of Hansan Island
154:General characteristics
97:Unknown number sank in
1099:"Cryptomeria japonica"
411:
167:Medium: 70 feet (21 m)
608:. In contrast to the
598:class and the medium
403:
30:An old painting of a
1130:Naval ships of Korea
808:. Cassell & Co.
397:with great success.
281:Revised Romanization
342:A key feature of a
217:Repeating crossbows
1150:16th-century ships
545:were also used on
412:
89:Circa 16th century
627:The medium-sized
568:bigyeokjincholloe
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295:McCuneâReischauer
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517:Main articles:
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431:and the Viking
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376:Characteristics
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42:Class overview
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523:Korean cannon
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1106:. Retrieved
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971:
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926:. Retrieved
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557:Ch'oe Mu-sÅn
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482:Construction
471:
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413:
379:
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341:
309:
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209:
18:
1108:1 September
928:1 September
722:Joseon Navy
443:. When the
441:Middle Ages
404:A model of
333:Yi Sun-shin
320::
221:Swivel-guns
203:26 or more
193:125 marines
1140:Ship types
1124:Categories
896:. Osprey.
548:panokseons
529:Panokseons
505:panokseons
474:Panokseons
459:Panokseons
416:Panokseons
366:geobukseon
190:Complement
182:Propulsion
146:In service
86:In service
684:panokseon
677:panokseon
668:atakebune
641:panokseon
633:atakebune
621:panokseon
611:panokseon
605:panokseon
595:Atakebune
589:Panokseon
519:Chongtong
499:panokseon
493:panokseon
466:panokseon
451:panokseon
433:longships
407:panokseon
390:panokseon
383:panokseon
361:panokseon
352:panokseon
345:panokseon
312:Panokseon
301:P'anoksÅn
287:Panokseon
243:Panokseon
130:Laid down
105:Preserved
68:Operators
58:panokseon
33:panokseon
706:See also
672:sekibune
655:sekibune
629:sekibune
600:sekibune
539:jeolhwan
224:Pavisade
198:Armament
138:Launched
543:Hwachas
513:Weapons
439:of the
437:dromons
205:cannons
113:History
1135:Joseon
1080:
1053:
1008:
959:
900:
856:
812:
758:
616:drafts
572:dapoki
535:daejÅn
425:lateen
421:square
328:Joseon
318:Korean
249:Hangul
211:Hwacha
159:Length
124:Joseon
72:Joseon
1102:(PDF)
953:(PDF)
728:Notes
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