12.7 cm/40 Type 89 naval gun
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12.7 cm/40 Type 89 naval gun
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| 12.7 cm/40 Type 89 naval gun | |
|---|---|
 Type 89 gun mounted on Chitose | |
| Type | Naval gun anti-aircraft gun |
| Place of origin | Japan |
| Service history | |
| In service | 1932–45 |
| Used by |  Imperial Japanese Navy |
| Wars | World War II |
| Production history | |
| Designed | 1928–32 |
| Produced | 1932–45 |
No. built | ~1500 |
| Variants | Type 88 |
| Specifications | |
| Mass | 3,100 kilograms (6,834 lb) |
Barrel length | 5,080 millimeters (16 ft 8 in) (bore length) |
| Shell | Fixed |
Shell weight | 20.9–23.45 kilograms (46.1–51.7 lb) |
| Caliber | 12.7-centimeter (5.0 in) |
| Breech | horizontal breech block |
| Elevation | -8° to +90°[1] |
| Rate of fire | 8-14 rounds per minute |
| Muzzle velocity | 720–725 meters per second (2,360–2,380 ft/s) |
| Maximum firing range | 9,440 meters (30,970 ft) at 90° (AA ceiling) 14,800 meters (48,600 ft) at 45° |
The 12.7 cm/40 Type 89 naval gun was a Japanese anti-aircraft (AA) gun introduced before World War II. It was the Imperial Japanese Navy's standard heavy AA gun during the war.
The Type 89 was adopted by the IJN on February 6, 1932, and was the primary anti-aircraft gun on new aircraft carriers, battleships and cruisers, most commonly installed in twin gun mounts. As IJN ships were upgraded in the 1930s and 1940s, older AA guns such as 8 cm/40 3rd Year Type naval gun and 12 cm/45 10th Year Type naval guns were replaced with Type 89's.
Notes[edit]
^ Campbell, Naval Weapons of WWII, p.193.
References[edit]
Campbell, John (1985). Naval Weapons of World War II. Annapolis, MD: Naval Institute Press. ISBN 0-87021-459-4..mw-parser-output cite.citationfont-style:inherit.mw-parser-output .citation qquotes:"""""""'""'".mw-parser-output .citation .cs1-lock-free abackground:url("//upload.wikimedia.org/wikipedia/commons/thumb/6/65/Lock-green.svg/9px-Lock-green.svg.png")no-repeat;background-position:right .1em center.mw-parser-output .citation .cs1-lock-limited a,.mw-parser-output .citation .cs1-lock-registration abackground:url("//upload.wikimedia.org/wikipedia/commons/thumb/d/d6/Lock-gray-alt-2.svg/9px-Lock-gray-alt-2.svg.png")no-repeat;background-position:right .1em center.mw-parser-output .citation .cs1-lock-subscription abackground:url("//upload.wikimedia.org/wikipedia/commons/thumb/a/aa/Lock-red-alt-2.svg/9px-Lock-red-alt-2.svg.png")no-repeat;background-position:right .1em center.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registrationcolor:#555.mw-parser-output .cs1-subscription span,.mw-parser-output .cs1-registration spanborder-bottom:1px dotted;cursor:help.mw-parser-output .cs1-ws-icon abackground:url("//upload.wikimedia.org/wikipedia/commons/thumb/4/4c/Wikisource-logo.svg/12px-Wikisource-logo.svg.png")no-repeat;background-position:right .1em center.mw-parser-output code.cs1-codecolor:inherit;background:inherit;border:inherit;padding:inherit.mw-parser-output .cs1-hidden-errordisplay:none;font-size:100%.mw-parser-output .cs1-visible-errorfont-size:100%.mw-parser-output .cs1-maintdisplay:none;color:#33aa33;margin-left:0.3em.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration,.mw-parser-output .cs1-formatfont-size:95%.mw-parser-output .cs1-kern-left,.mw-parser-output .cs1-kern-wl-leftpadding-left:0.2em.mw-parser-output .cs1-kern-right,.mw-parser-output .cs1-kern-wl-rightpadding-right:0.2em
External links[edit]
 | Wikimedia Commons has media related to Type 89 12.7cm AA Gun. |
- 12.7 cm/40 Type 89 on navweaps.com
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Categories:
- World War II naval weapons
- Naval guns of Japan
- 127 mm artillery
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