About: Ho-301 cannon

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The Ho-301 was a Japanese 40 millimeter caliber autocannon that saw limited use during World War II, on Japanese Army Nakajima Ki-44 and Kawasaki Ki-45 KAI aircraft. It was unusual in using caseless ammunition. Although the effective range of the cannon was only 150 meters (490 ft), the Ho-301 was light and rapid-firing for its caliber. The modern Russian VOG grenades fired by the GP-25 grenade-launcher use a similar principle.

Attributes	Values
rdf:type	Thing schema:Product Weapon yago:WikicatAutomaticCannons yago:WikicatCaselessFirearms yago:WikicatMachineGunsOfJapan yago:Armament102738031 yago:Artifact100021939 yago:Artillery102746365 yago:Autoloader102759963 yago:AutomaticFirearm102760429 yago:Cannon102950256 yago:Device103183080 yago:Firearm103343853 yago:Gun103467984 yago:Instrument103574816 yago:Instrumentality103575240 yago:MachineGun103701391 yago:Object100002684 yago:PhysicalEntity100001930 device weapon yago:Weapon104565375 yago:Weaponry104566257 yago:Whole100003553 yago:WikicatAircraftGuns umbel-rc:PhysicalDevice umbel-rc:Weapon
rdfs:label	Ho-301 cannon (en) ホ301 (ja) Działko Ho-301 (pl)
rdfs:comment	ホ301/ホ三〇一は、大日本帝国陸軍の航空機関砲。 (ja) Działko Ho-301 – japońskie działko lotnicze kalibru 40 mm z okresu II wojny światowej. Broń używana była w niektórych wersjach samolotów Nakajima Ki-44. Działko Ho-301 jest jak do tej pory jedynym użytym bojowo działkiem na amunicję bezłuskową. (pl) The Ho-301 was a Japanese 40 millimeter caliber autocannon that saw limited use during World War II, on Japanese Army Nakajima Ki-44 and Kawasaki Ki-45 KAI aircraft. It was unusual in using caseless ammunition. Although the effective range of the cannon was only 150 meters (490 ft), the Ho-301 was light and rapid-firing for its caliber. The modern Russian VOG grenades fired by the GP-25 grenade-launcher use a similar principle. (en)
foaf:name	Ho-301 40 mm cannon (en)
name	Ho-301 40 mm cannon (en)
foaf:depiction
dct:subject	Autocannon 40 mm artillery Aircraft guns Machine guns of Japan Caseless firearms Military equipment introduced from 1940 to 1944
Wikipage page ID	5024499 (xsd:integer)
Wikipage revision ID	1117422350 (xsd:integer)
Link from a Wikipage to another Wikipage	Caseless ammunition Autocannon 40 mm artillery Aircraft guns GP-25 Nakajima Ki-44 Blowback (arms) Machine guns of Japan MK 108 cannon Caliber Caseless firearms Military equipment introduced from 1940 to 1944 Kawasaki Ki-45 Autocannon Second World War World War II Air rifle Grenade-launcher High-Low System
sameAs	Ho-301 cannon Ho-301 cannon Ho-301 cannon Ho-301 cannon Ho-301 cannon Ho-301 cannon
dbp:wikiPageUsesTemplate	dbt:Machinegun-stub dbt:Cite_book dbt:Convert dbt:Infobox_weapon dbt:Reflist
thumbnail	wiki-commons:Special:FilePath/Ho-301_40_mm_projectile.jpg?width=300
action	API blowback (en)
caliber	40.0 (millimetre)
caption	A cutaway, showing the 40 mm caseless projectile. (en)
cartridge	40 (xsd:integer)
feed	10 (xsd:integer)
image size	300 (xsd:integer)
is ranged	yes (en)
origin	Japan (en)
range	150.0 (metre)
rate	475 (xsd:integer)
type	Aircraft autocannon (en)
used by	Japan (en)
velocity	245.0 (metrePerSecond)
wars	Second World War
weight	49.0 (kilogram)
has abstract	The Ho-301 was a Japanese 40 millimeter caliber autocannon that saw limited use during World War II, on Japanese Army Nakajima Ki-44 and Kawasaki Ki-45 KAI aircraft. It was unusual in using caseless ammunition. Although the effective range of the cannon was only 150 meters (490 ft), the Ho-301 was light and rapid-firing for its caliber. The caseless design revolved around a specially designed projectile, that was in effect a small rocket. The round used an internal propellant chamber at the rear of the projectile containing a ten gram silk bag filled with smokeless powder. Drilled into the base plate of the round are twelve 3.8 millimeter diameter exhaust holes. The propellant chamber is sealed by a thin aluminum sealing cup, which covers the exhaust holes. When the primer is struck, the bag of propellant ignites, and the pressure rises until the aluminum cup bursts, allowing the exhaust gas to rush through the exhaust holes pushing the projectile forward. The propellant was exhausted before the projectile left the barrel. Because of the low muzzle velocity (245 meters/second or about 804 ft/sec - equivalent to a moderately powerful air rifle) the weapon was only suited to attacking bombers; even here the extremely low muzzle velocity made it difficult to achieve hits from any position besides directly astern the target aircraft and well within the range of defensive counterfire. The modern Russian VOG grenades fired by the GP-25 grenade-launcher use a similar principle. (en) ホ301/ホ三〇一は、大日本帝国陸軍の航空機関砲。 (ja) Działko Ho-301 – japońskie działko lotnicze kalibru 40 mm z okresu II wojny światowej. Broń używana była w niektórych wersjach samolotów Nakajima Ki-44. Działko Ho-301 jest jak do tej pory jedynym użytym bojowo działkiem na amunicję bezłuskową. (pl)
gold:hypernym	Autocannon
dbp:wordnet_type	http://www.w3.org/2006/03/wn/wn20/instances/synset-weapon-noun-1
prov:wasDerivedFrom	wikipedia-en:Ho-301_cannon?oldid=1117422350&ns=0
length (mm)	1486.0 (millimetre)
weight (kg)	49.0 (kilogram)
page length (characters) of wiki page	3516 (xsd:nonNegativeInteger)

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