{"product_id":"kawasaki-ki-32-mary-army-type-98-light-bomber-collection","title":"Kawasaki Ki-32 \"Mary\" — Army Type 98 Light Bomber Collection","description":"\u003ch2\u003eKawasaki Ki-32 \"Mary\" — Army Type 98 Light Bomber\u003c\/h2\u003e\u003cp\u003eThe Kawasaki Ki-32 (Allied codename \u003cstrong\u003e\"Mary\"\u003c\/strong\u003e, 九八式軽爆撃機, \u003cem\u003eKyūhachi-shiki Kei Bakugekiki\u003c\/em\u003e) holds a singular place in Imperial Japanese Army Air Force history as the \u003cstrong\u003elast IJAAF light bomber to use a liquid-cooled inline engine\u003c\/strong\u003e. Designed at Kawasaki's Kagamigahara bureau and entering service in 1938, the Ki-32 served extensively in the Second Sino-Japanese War before being superseded by more modern types.\u003c\/p\u003e\u003cp\u003eDue to the deliberate destruction of IJAAF technical archives in August 1945, surviving primary documentation for the Ki-32 is exceptionally rare. This Living Collection consolidates the most significant surviving artifacts: the original 1939 manufacturer operating handbook — indexed post-war by the \u003cstrong\u003eU.S. Strategic Bombing Survey (USSBS)\u003c\/strong\u003e as Report No. 15n(11) and preserved by the \u003cstrong\u003eNational Diet Library of Japan\u003c\/strong\u003e (PID: 8815752) — together with the Ha-9 engine manual and photographic archive.\u003c\/p\u003e\u003chr\u003e\u003ch3\u003eCollection Contents\u003c\/h3\u003e\u003ch4\u003eNo Variant — Common Documents\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eKi-32 Operating \u0026amp; Maintenance\u003c\/strong\u003e — Kawasaki Ki-32 Type 98 Light Bomber Instruction Manual · 川崎キ32 九八式軽爆撃機説明書 · \u003cem\u003eJapanese Language\u003c\/em\u003e · Imperial Japanese Army Air Headquarters (Rikugun Koku Honbu) · September 1939 · USSBS Index Section 2, Report No. 15n(11)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKi-32 Engine\u003c\/strong\u003e — Kawasaki Ha-9 Type 95 Aircraft Engine Instruction Manual · 九五式ハ〇〇馬力發動機説明書 · \u003cem\u003eJapanese Language\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKi-32 Slides, Photos \u0026amp; Brochures\u003c\/strong\u003e — Ki-32 Photographic Collection · \u003cem\u003eEnglish Language\u003c\/em\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch3\u003eEngine Technical Notes — Kawasaki Ha-9-IIb\u003c\/h3\u003e\u003cp\u003eThe Ki-32 was powered by the \u003cstrong\u003eArmy Type 98 (Kawasaki Ha-9-IIb)\u003c\/strong\u003e — a V-12 liquid-cooled piston engine and the last of its type to power an IJAAF light bomber.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTake-off Power:\u003c\/strong\u003e 850 hp (634 kW)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSea Level:\u003c\/strong\u003e 775 hp (578 kW)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Rating:\u003c\/strong\u003e 950 hp (709 kW) at 12,470 ft (3,800 m)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngineering History:\u003c\/strong\u003e March 1937 flight tests revealed chronic crankshaft failures. Emergency Kawasaki bulletins mandated crankshaft reinforcement, delaying deployment relative to the competing radial-engined Mitsubishi Ki-30.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCombat Vulnerability:\u003c\/strong\u003e Coolant lines and radiators were highly exposed to ground fire; cooling system punctures caused rapid engine seizure and were a primary source of combat losses.\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch3\u003ePerformance Data\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eMetric\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Speed\u003c\/td\u003e\n\u003ctd\u003e263 mph (423 km\/h) at 12,925 ft (3,840 m)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCruising Speed\u003c\/td\u003e\n\u003ctd\u003e186 mph (300 km\/h)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRate of Climb\u003c\/td\u003e\n\u003ctd\u003e16,405 ft (5,000 m) in 10 min 55 sec\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eService Ceiling\u003c\/td\u003e\n\u003ctd\u003e29,265 ft (8,920 m)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRange\u003c\/td\u003e\n\u003ctd\u003e826 miles (1,300 km) standard · 1,218 miles (1,965 km) maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWing Loading\u003c\/td\u003e\n\u003ctd\u003e21.3 lbs\/sq ft (82 kg\/m²)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEmpty Weight\u003c\/td\u003e\n\u003ctd\u003e5,179 lbs (2,349 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Take-off Weight\u003c\/td\u003e\n\u003ctd\u003e8,293 lbs (3,762 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003chr\u003e\u003ch3\u003eHandling, Stability \u0026amp; Aerodynamic Notes\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDive-Bombing Capability:\u003c\/strong\u003e Mid-wing monoplane with internal bomb bay. 1937 IJAAF competitive trials confirmed superior structural rigidity over the Ki-30, permitting safe dive-bombing runs at angles up to 60 degrees.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFixed Undercarriage:\u003c\/strong\u003e Wide-track fixed cantilever gear with open-sided wheel fairings — continuous drag penalty on top speed, but highly stable and forgiving on unpaved forward airfields in China.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eArchival Note:\u003c\/strong\u003e Formal aerodynamic stability studies (elevator\/rudder moment coefficients) from the Kagamigahara design bureau are considered lost. Surviving data derives from 1939 Army performance evaluation sheets and post-war USSBS compilation.\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch3\u003ePrimary Archival Sources\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNational Diet Library (NDL), Japan\u003c\/strong\u003e — Digitized USSBS microfilms; search Japanese designation 九八式軽爆撃機 (PID: 8815752)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNational Institute for Defense Studies (NIDS), Tokyo\u003c\/strong\u003e — Surviving Imperial Army administrative and technical combat logs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmithsonian NASM\u003c\/strong\u003e — Captured Japanese technical manuals cataloged by U.S. military intelligence post-WWII\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003cp\u003e\u003cem\u003eThis is an archival, static-copy edition fixed at its original publication date. Intended for historical reference, flight simulation, museum restoration, and educational use only. Not approved for active airworthiness maintenance under FAA 14 CFR § 43.13, EASA Part-M, or equivalent international regulations. Operators of active aircraft must use current, revision-controlled publications from the Type Certificate holder or an authorized distributor.\u003c\/em\u003e\u003c\/p\u003e\u003cp\u003eLiving Collections with Free Lifetime Updates — Please review our Disclaimer and Export Notice before purchasing.\u003c\/p\u003e","brand":"Online Aviation Library","offers":[{"title":"Default Title","offer_id":53690527187291,"sku":null,"price":28.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0955\/4788\/3867\/files\/ki-32-banner-1-colour-a-154.png?v=1785431639","url":"https:\/\/onlineaviationlibrary.com\/products\/kawasaki-ki-32-mary-army-type-98-light-bomber-collection","provider":"Online Aviation Library","version":"1.0","type":"link"}