Ho-1 cannon
Ho-1 was a Japanese autocannon used during World War II, it was a Type 97 20 mm anti-tank rifle adapted for use in bomber turrets.
Ho-1 cannon
- Name
- Ho-1 cannon
- Field
- autocannon
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Documentary evidence
Documentary basis
Authority files
wikidata · Q5964950 · wikipedia · Ho-1 cannon
In this article
Key facts
Key facts
• Name — Ho-1 cannon • Origin — Empire of Japan • Type — Aircraft autocannon • Is Ranged — yes • Is Uk — yes • Used By — Imperial Japanese Army Air Service Imperial Japanese Navy Air Service • Wars — World War II • Weight — 34 kg • Length — 1749 mm • Part Length — 1194 mm • Cartridge — 20x125mm (127) • Caliber — 20 mm • Action — Short recoil-operated • Rate — 300-400 rounds/min • Velocity — 820 m/s • Feed — 15-round box magazine
Mounting
Mounting
The cannon when fixed was known as the Ho-3, compared to its flexible brother the Ho-3 was fed with a 50-round double drum, while the Ho-1 was fed by a 15-round magazine.
Specifications
Specifications
• Caliber: 20 mm (0.8 in) • Ammunition: 20 x 125 (164 g) Armor-piercing tracer or high-explosive incendiary • Weight: 33 kg (72 lb) • Rate of fire: 300-400 rounds/min • Range 900 m • Muzzle velocity: 820 m/s (2,690 ft/s)
Primary material
Documents and archives
authority record
- Wikidata, structured authority record Q5964950: Ho-1 cannon
General reference · Wikidata
reference work
- “Ho-1 cannon”, English Wikipedia, consulted as further reading
Reputable secondary · Wikipedia
Text attribution
Licensing
Text attribution
Part of the biographical narrative on this page reuses licensed material. Its origin, revision and licence are recorded here.
The biographical narrative on this page is based on the Wikipedia article Ho-1 cannon, revision 1285845597 (EN edition), by its contributors. VALÉORINE has edited that text and built its own documentary record around it. The reused material is available under CC BY-SA 4.0, and this page's reuse of it is offered under the same licence. Everything else on this page — the chronology, the holdings, the evidence, the plates and the connections — is VALÉORINE's own record. Sources and licences.
Notes from the source article
Cited by Wikipedia
Notes from the source article
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References
Citations
References
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authority record
Secondary witnessreference work
Secondary witness
The Encyclopedia exists whether or not anything is for sale. Corrections are recorded rather than overwritten, and every version of this record is kept. Published 14 August 2026.
Elsewhere in Militaria
6,095 published records in this field, each with its sources named.
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- Ho-103Terminology
- Ho-155 cannonTerminology
- Ho-301 cannonTerminology
- Ho-5 cannonTerminology
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