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82-610: The B5N carrier torpedo-bomber's weaknesses had shown themselves early in the Second Sino-Japanese War and, as well as updating that aircraft, the Imperial Japanese Navy began seeking a faster longer-ranged replacement. In December 1939 it issued a specification to Nakajima for a Navy Experimental 14-Shi Carrier Attack Aircraft capable of carrying the same external weapons load as the B5N. The new plane

164-730: A full-scale battle in which Beijing and its port city of Tianjin fell to invading Japanese forces (July–August 1937). , On 11 July, in accordance with the Goso conference, the Imperial Japanese Army General Staff authorized the deployment of an infantry division from the Chōsen Army , two combined brigades from the Kwantung Army and an air regiment composed of 18 squadrons as reinforcements to Northern China. By 20 July, total Japanese military strength in

246-738: A campaign of sabotage and guerrilla warfare . In November 1939, Chinese nationalist forces launched a large scale winter offensive , and in August 1940, communist forces launched the Hundred Regiments Offensive in central China. In December 1941, Japan launched a surprise attack on Pearl Harbor and declared war on the United States. The US increased its aid to China under the Lend-Lease Act , becoming its main financial and military supporter. With Burma cut off,

328-540: A communist victory and the Proclamation of the People's Republic of China in 1949. In China, the war is most commonly known as the "War of Resistance against Japanese Aggression" ( simplified Chinese : 抗日战争 ; traditional Chinese : 抗日戰爭 ), and shortened to "Resistance against Japanese Aggression" ( Chinese : 抗日 ) or the "War of Resistance" (simplified Chinese: 抗战 ; traditional Chinese: 抗戰 ). It

410-719: A demilitarized zone between the Great Wall and Beijing-Tianjin region. Japan aimed to create another buffer zone between Manchukuo and the Chinese Nationalist government in Nanjing. Japan increasingly exploited China's internal conflicts to reduce the strength of its fractious opponents. Even years after the Northern Expedition, the political power of the Nationalist government was limited to just

492-520: A more streamlined engine cowling and crew canopy, strengthening of the main landing gear, a retractable tail wheel and removal of the tail hook. Two B6N3 prototypes were completed but Japan surrendered before this variant could be put into production. By war's end in August 1945, Nakajima had completed a total of 1,268 B6Ns (almost all of them B6N2s) at its plants in Okawa in the Gumma district and at Aichi in

574-788: A result of Depression -era tariffs ), and a protective buffer state against the Soviet Union in Siberia . As a result, the Japanese Army was widely prevalent in Manchuria immediately following the Japanese victory in the Russo-Japanese War in 1905, where Japan gained significant territory in Manchuria. As a result of their strengthened position, by 1915 Japan had negotiated a significant amount of economic privilege in

656-536: A result of its victory at the end of the war. Japan had also attempted to annex the Liaodong Peninsula following the war, though was forced to return it to China following an intervention by France , Germany , and Russia . The Qing dynasty was on the brink of collapse due to internal revolts and the imposition of the unequal treaties , while Japan had emerged as a great power through its modernization measures. In 1905, Japan successfully defeated

738-779: A term used mainly in foreign and Chinese narratives. The origins of the Second Sino-Japanese War can be traced back to the First Sino-Japanese War of 1894–1895, in which China, then under the rule of the Qing dynasty, was defeated by Japan and forced to cede Taiwan and recognize the full and complete independence of Korea in the Treaty of Shimonoseki . Japan also annexed the Senkaku Islands , which Japan claims were uninhabited, in early 1895 as

820-648: A testing zone for advanced biplane and new-generation monoplane combat-aircraft designs. The introduction of the advanced A5M "Claude" fighters into the Shanghai-Nanjing theater of operations, beginning on 18 September 1937, helped the Japanese achieve a certain level of air superiority . However the few experienced Chinese veteran pilots, as well as several Chinese-American volunteer fighter pilots, including Maj. Art Chin , Maj. John Wong Pan-yang , and Capt. Chan Kee-Wong, even in their older and slower biplanes, proved more than able to hold their own against

902-520: Is a period of "total" war. This view of a fourteen-year war has political significance because it provides more recognition for the role of northeast China in the War of Resistance. On the night of 7 July 1937, Chinese and Japanese troops exchanged fire in the vicinity of the Marco Polo (or Lugou) Bridge , a crucial access-route to Beijing. What began as confused, sporadic skirmishing soon escalated into

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984-895: Is known in China as the War of Resistance against Japanese Aggression ( simplified Chinese : 抗日战争 ; traditional Chinese : 抗日戰爭 ). On 18 September 1931, the Japanese staged the Mukden incident , a false flag event fabricated to justify their invasion of Manchuria and establishment of the puppet state of Manchukuo . This is sometimes marked as the beginning of the war. From 1931 to 1937, China and Japan engaged in skirmishes, including in Shanghai and in Northern China. Chinese Nationalist and Communist forces, respectively led by Chiang Kai-shek and Mao Zedong , had fought each other in

1066-621: Is most commonly used because of its perceived objectivity. When the invasion of China proper began in earnest in July 1937 near Beijing , the government of Japan used "The North China Incident" (Japanese: 北支事變/華北事變 , romanized:  Hokushi Jihen/Kahoku Jihen ), and with the outbreak of the Battle of Shanghai the following month, it was changed to "The China Incident" (Japanese: 支那事變 , romanized:  Shina Jihen ). The word "incident" (Japanese: 事變 , romanized:  jihen )

1148-625: The Battle of Okinawa where they were also used for kamikaze missions for the first time. B6N2 c/n 5350 remains in existence and it is stored at the National Air and Space Museum 's Paul E. Garber Preservation, Restoration, and Storage Facility in Suitland, Maryland . It is currently disassembled. It was formerly displayed intact at Naval Air Station Joint Reserve Base Willow Grove in Horsham Township, Pennsylvania until it

1230-657: The Central Plains War broke out across China, involving regional commanders who had fought in alliance with the Kuomintang during the Northern Expedition, and the Nanjing government under Chiang. The Chinese Communist Party (CCP) previously fought openly against the Nanjing government after the Shanghai massacre of 1927 , and they continued to expand during this protracted civil war. The Kuomintang government in Nanjing decided to focus their efforts on suppressing

1312-667: The Chinese Civil War since 1927. In late 1933, Chiang Kai-shek encircled the Chinese Communists in an attempt to finally destroy them, forcing the Communists into the Long March , resulting in the Communists losing around 90% of their men. As a Japanese invasion became imminent, Chiang still refused to form a united front before he was placed under house arrest by his subordinates who forced him to form

1394-818: The German Empire 's sphere of influence in Shandong province, leading to nationwide anti-Japanese protests and mass demonstrations in China. The country remained fragmented under the Beiyang Government and was unable to resist foreign incursions. For the purpose of unifying China and defeating the regional warlords, the Kuomintang (KMT) in Guangzhou launched the Northern Expedition from 1926 to 1928 with limited assistance from

1476-576: The Mamoru 11 engine in order that the Navy reduce the number of different engines then in use. Pending availability of the 18-cylinder Nakajima Homare engine, Nakajima was asked to substitute the 1,850 hp (1,380 kW) Mitsubishi MK4T Kasei 25 engine on the B6N1 airframe, the very engine the Navy had originally requested them to use. As the Mamoru 11 and Kasei 25 were similar in size, installation

1558-855: The Mukden incident in September 1931. Japanese soldiers set off a bomb on the Southern Manchurian Railroad in order to provoke an opportunity to act in "self defense" and invade outright. Japan charged that its rights in Manchuria, which had been established as a result of its victory in 1905 at the end of the Russo-Japanese War , had been systematically violated and there were "more than 120 cases of infringement of rights and interests, interference with business, boycott of Japanese goods, unreasonable taxation, detention of individuals, confiscation of properties, eviction, demand for cessation of business, assault and battery, and

1640-578: The Neutrality Acts of the 1930s . In addition, due to China's fractured political status, Japan often claimed that China was no longer a recognizable political entity on which war could be declared. In Japanese propaganda , the invasion of China became a crusade (Japanese: 聖戦 , romanized:  seisen ), the first step of the "eight corners of the world under one roof" slogan (Japanese: 八紘一宇 , romanized:  Hakkō ichiu ). In 1940, Japanese Prime Minister Fumimaro Konoe launched

1722-531: The Russian Empire in the Russo-Japanese War , gaining Tailen and southern Sakhalin and establishing a protectorate over Korea. In 1911, factions of the Qing Army uprose against the government, staging a revolution that swept across China's southern provinces. The Qing responded by appointing Yuan Shikai , commander of the loyalist Beiyang Army , as temporary prime minister in order to subdue

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1804-647: The Second United Front in late 1936 in order to resist the Japanese invasion together. The full-scale war began on 7 July 1937 with the Marco Polo Bridge incident near Beijing , which prompted a full-scale Japanese invasion of the rest of China. The Japanese captured the capital of Nanjing in 1937 and perpetrated the Nanjing Massacre . After failing to stop the Japanese capture of Wuhan in 1938, then China's de facto capital at

1886-668: The Shanghai French Concession , areas which were outside of China's control due to the treaty port system. Japan moved into these areas after its 1941 declaration of war against the United States and the United Kingdom. Building on the hard-won victory in Shanghai, the IJA advanced on and captured the KMT capital city of Nanjing (December 1937) and Northern Shanxi (September – November 1937). Upon

1968-910: The Solomon Islands indicated a likely invasion at Bougainville . In response to this threat, the IJN initiated Operation Ro. This involved reinforcing land-based air units at Rabaul with 173 carrier aircraft from First Carrier Division ( Zuikaku , Shokaku and Zuiho ), including forty B6Ns. These aircraft were flown from Truk to Rabaul between 28 October and 1 November. On 5 November fourteen B6N1s, escorted by four A6M Zero fighters, were sent to attack American shipping anchored off Bougainville. Four B6N1s were lost and no hits were scored, returning Japanese pilots claimed to have sunk one large and one medium carrier, two heavy cruisers and two other cruisers or large destroyers. Additional attacks on 8 November and 11 November, suffered heavy losses, with only 52 of

2050-603: The Soviet Union . The National Revolutionary Army (NRA) formed by the Kuomintang swept through southern and central China until it was checked in Shandong, where confrontations with the Japanese garrison escalated into armed conflict. The conflicts were collectively known as the Jinan incident of 1928, during which time the Japanese military killed several Chinese officials and fired artillery shells into Jinan. According to

2132-731: The Taisei Yokusankai . When both sides formally declared war in December 1941, the name was replaced by " Greater East Asia War " (Japanese: 大東亞戰爭 , romanized:  Daitōa Sensō ). Although the Japanese government still uses the term "China Incident" in formal documents, the word Shina is considered derogatory by China and therefore the media in Japan often paraphrase with other expressions like "The Japan–China Incident" (Japanese: 日華事變/日支事變 , romanized:  Nikka Jiken/Nisshi Jiken ), which were used by media as early as

2214-904: The United States Army Air Forces airlifted material over the Himalayas . In 1944, Japan launched Operation Ichi-Go , the invasion of Henan and Changsha . In 1945, the Chinese Expeditionary Force resumed its advance in Burma and completed the Ledo Road linking India to China. China launched large counteroffensives in South China and repulsed a failed Japanese invasion of West Hunan and recaptured Japanese occupied regions of Guangxi . Japan formally surrendered on 2 September 1945, following

2296-592: The atomic bombings of Hiroshima and Nagasaki , Soviet declaration of war and subsequent invasions of Manchukuo and Korea . The war resulted in the deaths of around 20 million people, mostly Chinese civilians. China was recognized as one of the Big Four Allies , regained all territories lost, and became one of the five permanent members of the United Nations Security Council . The Chinese Civil War resumed in 1946, ending with

2378-485: The 18 September 1931 Japanese invasion of Manchuria marks the start of the War of Resistance. Although not the conventional Western view, British historian Rana Mitter describes this Chinese trend of historical analysis as "perfectly reasonable". In 2017, the Chinese government officially announced that it would adopt this view. Under this interpretation, the 1931–1937 period is viewed as the "partial" war, while 1937–1945

2460-596: The 1921 and 1927 Imperial Eastern Region Conferences reconfirmed Japan's commitment to be the dominant power in the Northeast. The 1929 Red Army victory shook that policy to the core and reopened the Manchurian problem. By 1930, the Kwantung Army realized they faced a Red Army that was only growing stronger. The time to act was drawing near and Japanese plans to conquer the Northeast were accelerated. In 1930,

2542-594: The 1930s. The name "Second Sino-Japanese War" is not commonly used in Japan as the China it fought a war against in 1894 to 1895 was led by the Qing dynasty , and thus is called the Qing-Japanese War (Japanese: 日清戦争 , romanized:  Nisshin–Sensō ), rather than the First Sino-Japanese War . Another term for the second war between Japan and China is the "Japanese invasion of China",

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2624-510: The 1931 Japanese invasion of Manchuria . According to historian Rana Mitter , historians in China are unhappy with the blanket revision, and (despite sustained tensions) the Republic of China did not consider itself to be in an ongoing war with Japan over these six years. It is also referred to as part of the "Global Anti-Fascist War". In Japan, nowadays, the name "Japan–China War" ( Japanese : 日中戦争 , romanized :  Nitchū Sensō )

2706-612: The 1937 " Sword March ", which—with slightly reworked lyrics—became the National Revolutionary Army's standard marching cadence and popularized the racial epithet guizi to describe the Japanese invaders. The Imperial General Headquarters (GHQ) in Tokyo, content with the gains acquired in northern China following the Marco Polo Bridge Incident, initially showed reluctance to escalate

2788-422: The Beijing-Tianjin area exceeded 180,000 personnel. The Japanese gave Sung and his troops "free passage" before moving in to pacify resistance in areas surrounding Beijing (then Beiping) and Tianjin. After 24 days of combat, the Chinese 29th Army was forced to withdraw. The Japanese captured Beijing and the Taku Forts at Tianjin on 29 and 30 July respectively, thus concluding the Beijing-Tianjin campaign. However,

2870-400: The Chinese Communists through the Encirclement Campaigns , following the policy of "first internal pacification, then external resistance" (Chinese: 攘外必先安內 ). The internecine warfare in China provided excellent opportunities for Japan, which saw Manchuria as a limitless supply of raw materials, a market for its manufactured goods (now excluded from the markets of many Western countries as

2952-469: The Chinese to deploy troops in their own city. In Manchukuo there was an ongoing campaign to pacify the Anti-Japanese Volunteer Armies that arose from widespread outrage over the policy of non-resistance to Japan. On 15 April 1932, the Chinese Soviet Republic led by the Communists declared war on Japan. In 1933, the Japanese attacked the Great Wall region. The Tanggu Truce established in its aftermath, gave Japan control of Rehe Province , as well as

3034-426: The Handa district. Production never exceeded more than 90 planes per month. The B6N Tenzan began reaching front-line units in August 1943 in small numbers. The intent was to gradually replace all of the B5N Kate torpedo bombers then operating aboard the carriers of the Third Fleet at Truk Atoll in the Caroline Islands . However, the B6Ns were prematurely committed to battle when increased Allied naval activity in

3116-489: The Japanese Army had been given orders not to advance further than the Yongding River. In a sudden volte-face , the Konoe government's foreign minister opened negotiations with Chiang Kai-shek's government in Nanjing and stated: "Japan wants Chinese cooperation, not Chinese land." Nevertheless, negotiations failed to move further. The Ōyama Incident on 9 August escalated the skirmishes and battles into full scale warfare. The 29th Army's resistance (and poor equipment) inspired

3198-465: The Japanese intercepted most of the attack with A2N and A4N fighters from the aircraft carriers Hosho and Ryujo , shooting down several of the Chinese planes while losing a single A4N in the dogfight with Lt. Huang Xinrui in his P-26/281; the Japanese Army reinforcements succeeded in landing in northern Shanghai. The Imperial Japanese Army (IJA) ultimately committed over 300,000 troops, along with numerous naval vessels and aircraft, to capture

3280-468: The Japanese strongholds in Shanghai, leading to bitter street fighting. In an attack on the Japanese cruiser Izumo , Kuomintang planes accidentally bombed the Shanghai International Settlement , which led to more than 3,000 civilian deaths. In the three days from 14 August through 16, 1937, the Imperial Japanese Navy (IJN) sent many sorties of the then-advanced long-ranged G3M medium-heavy land-based bombers and assorted carrier-based aircraft with

3362-415: The Japanese-backed East Hebei Autonomous Council and the Hebei–Chahar Political Council were established. There in the empty space of Chahar the Mongol military government was formed on 12 May 1936. Japan provided all the necessary military and economic aid. Afterwards Chinese volunteer forces continued to resist Japanese aggression in Manchuria, and Chahar and Suiyuan . Some Chinese historians believe

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3444-406: The League of Nations. No country took action against Japan beyond tepid censure. From 1931 until summer 1937, the Nationalist Army under Chiang Kai-shek did little to oppose Japanese encroachment into China. Incessant fighting followed the Mukden Incident. In 1932, Chinese and Japanese troops fought the January 28 Incident battle. This resulted in the demilitarization of Shanghai , which forbade

3526-464: The U.S. Navy's new F6F Hellcat fighter. By this point, small improvements in the B6N's performance were amongst the least of the Japanese Navy's problems. When the new model became available in mid-1944, Japan had already lost most of its large carriers and became desperately short of experienced pilots. Therefore, the vast majority of B6N2 operations took place from land bases and failed to achieve any major successes. The planes were extensively used in

3608-437: The aircraft exhibited an alarming tendency to roll while in flight, the cause of which was traced to the extreme torque developed by the four-bladed propeller. To compensate, the aircraft's tail fin was thinned down and moved 2 degrees ten minutes to port. This modification greatly improved the plane's handling characteristics. The B6N1's Mamoru 11 engine was found prone to severe vibrations and overheating at certain speeds and

3690-502: The area of the Yangtze River Delta . Other sections of China were essentially in the hands of local Chinese warlords. Japan sought various Chinese collaborators and helped them establish governments friendly to Japan. This policy was called the Specialization of North China ( 華北特殊化 ; huáběitèshūhùa ), more commonly known as the North China Autonomous Movement. The northern provinces affected by this policy were Chahar , Suiyuan , Hebei , Shanxi , and Shandong. This Japanese policy

3772-411: The buildings. Nakajima Homare The Nakajima Homare (誉, "praise" or, more usually, "honour") was an air-cooled twin-row 18 cylinder radial Japanese aircraft engine manufactured during World War II . Producing almost 2,000 horsepower, it was used widely by both the Imperial Japanese Army and the Imperial Japanese Navy . Given the Navy service designation NK9 , the "Homare" was also given

3854-404: The capture of Nanjing, Japanese committed massive war atrocities including mass murder and rape of Chinese civilians after 13 December 1937, which has been referred to as the Nanjing Massacre . Over the next several weeks, Japanese troops perpetrated numerous mass executions and tens of thousands of rapes. The army looted and burned the surrounding towns and the city, destroying more than a third of

3936-411: The city's large foreign community and increase China's foreign support. On 13 August 1937, Kuomintang soldiers attacked Japanese Marine positions in Shanghai, with Japanese army troops and marines in turn crossing into the city with naval gunfire support at Zhabei , leading to the Battle of Shanghai. On 14 August, Chinese forces under the command of Zhang Zhizhong were ordered to capture or destroy

4018-402: The city. After more than three months of intense fighting, their casualties far exceeded initial expectations. On 26 October, the IJA captured Dachang, a key strong-point within Shanghai, and on 5 November, additional reinforcements from Japan landed in Hangzhou Bay. Finally, on 9 November, the NRA began a general retreat. Japan did not immediately occupy the Shanghai International Settlement or

4100-427: The company designation NBA , Army experimental designation Ha-45 (ハ45) or, Army long designation Nakajima Army Type 4 1,900 hp Air-Cooled Radial and, (coincidentally) unified designation code of Ha-45 . Development of the Homare started in 1940, and certification was completed in 1941. It succeeded Nakajima's previous 14 cylinder Sakae (Ha-25) engine, which had its own forward seven cylinders staggered from

4182-452: The conflict into a full-scale war. Following the shooting of two Japanese officers who were attempting to enter the Hongqiao military airport on 9 August 1937, the Japanese demanded that all Chinese forces withdraw from Shanghai; the Chinese outright refused to meet this demand. In response, both the Chinese and the Japanese marched reinforcements into the Shanghai area. Chiang concentrated his best troops north of Shanghai in an effort to impress

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4264-448: The country. China was reduced to a fractured state. As a result, China's prosperity began to wither and its economy declined. This instability presented an opportunity for nationalistic politicians in Japan to press for territorial expansion. In 1915, Japan issued the Twenty-One Demands to extort further political and commercial privilege from China, which was accepted by the regime of Yuan Shikai. Following World War I , Japan acquired

4346-431: The country. Yuan's attempts at restoring the monarchy triggered the National Protection War , and Yuan Shikai was overthrown after only a few months. In the aftermath of Shikai's death in June 1916, control of China fell into the hands of the Beiyang Army leadership. The Beiyang government was a civilian government in name, but in practice it was a military dictatorship with a different warlord controlling each province of

4428-491: The down position. Finally, the single exhaust stacks on either side of the engine cowling were replaced with multiple smaller stubs to reduce glare at night and to supply a minor amount of forward thrust. The resulting modification was designated Navy Carrier Attack Aircraft Tenzan Model 12 or B6N2. Starting in the fall of 1943, one of every three B6N2s manufactured was equipped with 3-Shiki Type 3 air-to-surface radar for detecting enemy ships. Yagi antennas were installed along

4510-403: The expectation of destroying the Chinese Air Force . However, the Imperial Japanese Navy encountered unexpected resistance from the defending Chinese Curtiss Hawk II / Hawk III and P-26/281 Peashooter fighter squadrons; suffering heavy (50%) losses from the defending Chinese pilots (14 August was subsequently commemorated by the KMT as China's Air Force Day ). The skies of China had become

4592-458: The heavier powerplant, Fowler flaps were installed which could be extended beyond the wing's trailing edge. These were normally lowered to an angle of 20 degrees during take-off and 38 degrees when landing. Despite the use of these flaps, however, the B6N had a much higher stall speed than its predecessor. The prototype B6N1 made its maiden flight on 14 March 1941. Following continued testing, however, several problems became evident. In particular,

4674-412: The initial prototypes included: the addition of a flexible Type 92 machine gun in a ventral tunnel at the rear of the cockpit (in addition to the standard rear-firing Type 92), and a 7.7mm Type 97 machine-gun to the port wing (the latter was eventually deleted after the seventieth production aircraft); angling the torpedo mounting rack 2 degrees downward and adding torpedo stabilization plates to prevent

4756-405: The investigation results of the Association of the Families of the Victims of the Jinan massacre, it showed that 6,123 Chinese civilians were killed and 1,701 injured. Relations between the Chinese Nationalist government and Japan severely worsened as a result of the Jinan incident. As the National Revolutionary Army approached Beijing, Zhang Zuolin decided to retreat back to Manchuria, before he

4838-456: The oppression of Korean residents". After five months of fighting, Japan established the puppet state of Manchukuo in 1932, and installed the last Emperor of China, Puyi , as its puppet ruler. Militarily too weak to challenge Japan directly, China appealed to the League of Nations for help. The League's investigation led to the publication of the Lytton Report , condemning Japan for its incursion into Manchuria, causing Japan to withdraw from

4920-426: The original 173 planes from the First Carrier Division making it back to Truk on 13 November, among them, just six B6N1 Tenzans out of the forty committed. On 19 June 1944, the B6N made its carrier-borne combat debut at The Battle of the Philippine Sea , operating in an environment where the U.S. Navy had virtually complete air superiority. Subsequently, it failed to inflict any damage whilst taking heavy losses from

5002-414: The proven Mitsubishi Kasei engine as the B6N's powerplant but Engineer Kenichi Matsumara insisted on using Nakajima's new 1,870 hp (1,390 kW) Mamoru 11 14-cylinder air-cooled radial due to its lower fuel consumption and greater adaptability. This became an unfortunate choice as the Mamoru engine was plagued with mechanical defects and never achieved its expected power rating. Constrained by

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5084-477: The rear seven for efficient cooling. The design was exceptionally compact, with an external diameter of 118 cm, a mere 3 cm larger than the Sakae. With a bore and stroke of 130 mm x 150 mm, it was classified as a short-stroke engine. It was designed to output around 1800 hp (1340 kW), or 100 hp (75 kW) per cylinder. However, the tight design of the engine made it difficult to maintain quality in manufacturing, and unreliability in

5166-421: The region by pressuring Yuan Shikai , the president of the Republic of China at the time. With a widened range of economic privileges in Manchuria, Japan began focusing on developing and protecting matters of economic interests. This included railroads, businesses, natural resources, and a general control of the territory. With its influence growing, the Japanese Army began to justify its presence by stating that it

5248-406: The revolution. Yuan, wanting to remain in power, compromised with the revolutionaries, and agreed to abolish the monarchy and establish a new republican government, under the condition he be appointed president of China. The new Beiyang government of China was proclaimed in March 1912, after which Yuan Shikai began to amass power for himself. In 1913, the parliamentary political leader Song Jiaoren

5330-451: The sleek A5Ms in dogfights , and it also proved to be a battle of attrition against the Chinese Air Force. At the start of the battle, the local strength of the NRA was around five divisions, or about 70,000 troops, while local Japanese forces comprised about 6,300 marines. On 23 August, the Chinese Air Force attacked Japanese troop landings at Wusongkou in northern Shanghai with Hawk III fighter-attack planes and P-26/281 fighter escorts, and

5412-561: The standard-sized aircraft elevators then in use on most Japanese carriers, designer Matsumara was obliged to use a wing similar in span and area as that of the B5N and to limit the aircraft's overall length to 11 m (36 ft). This latter restriction accounted for the B6N's distinctive swept-forward tail fin and rudder. The outer wing panels folded upward hydraulically, reducing the B6N's overall span from 14.9 m (49 ft) to approximately 6.3 m (21 ft) for minimal carrier stowage. In order to lessen increased wingloading due to

5494-423: The tail hook mounting on the plane's fuselage. Some attempts were also made to use RATOG (rocket-assisted take-off gear) units on several B6N1s in order to qualify the aircraft for use on smaller carriers but the results were unsatisfactory. The B6N1 was officially approved for production status in early 1943 and given the designation Navy Carrier Attack Aircraft Tenzan Model 11. Modifications based on testing of

5576-438: The tensions in the Northeast that led to the Mukden Incident and eventually the Second Sino-Japanese War. The Soviet Red Army victory over Xueliang's forces not only reasserted Soviet control over the CER in Manchuria but revealed Chinese military weaknesses that Japanese Kwantung Army officers were quick to note. The Soviet Red Army performance also stunned the Japanese. Manchuria was central to Japan's East Asia policy. Both

5658-448: The time, the Nationalist government relocated to Chongqing in the Chinese interior. After the Sino-Soviet Non-Aggression Pact , Soviet aid bolstered the National Revolutionary Army and Air Force . By 1939, after Chinese victories at Changsha and with Japan's lines of communications stretched deep into the interior, the war reached a stalemate. The Japanese were unable to defeat Chinese Communist Party forces in Shaanxi , who waged

5740-427: The torpedo from bouncing during low-altitude release; strengthening of the main landing gear. A proposal by the designers to replace the B6N1's unprotected fuel tanks with self-sealing ones would have resulted in a 30% drop in fuel capacity, a loss in range the Navy decided was unacceptable. After only 133 B6N1s had been produced by July 1943, the Japanese Ministry of Munitions ordered Nakajima to halt manufacture of

5822-418: The wing leading edges and also protruded from the sides of the rear fuselage. A final version of the aircraft, designated B6N3 Model 13, was planned for land-based use as, by this point in the war, all of Japan's large carriers had been sunk and those few smaller ones remaining lacked catapults for launching heavier carrier-borne aircraft like the B6N. Changes included installation of a Kasei Model 25c engine,

5904-554: Was assassinated by the Kwantung Army in 1928. His son, Zhang Xueliang , took over as the leader of the Fengtian clique in Manchuria. Later in the same year, Zhang declared his allegiance to the Nationalist government in Nanjing under Chiang Kai-shek , and consequently, China was nominally reunified under one government. The July–November 1929 conflict over the Chinese Eastern Railroad (CER) further increased

5986-773: Was acquired by the National Air and Space Museum in 1981. Data from Japanese Aircraft of the Pacific War General characteristics Performance Armament Related development Aircraft of comparable role, configuration, and era Related lists Second Sino-Japanese War [REDACTED] China [REDACTED]   Japan [REDACTED] 14,000,000 total [REDACTED] 4,100,000 total Second Sino-Japanese War Taishō period Shōwa period Asia-Pacific Mediterranean and Middle East Other campaigns Coups The Second Sino-Japanese War

6068-480: Was also called the "Eight Years' War of Resistance" (simplified Chinese: 八年抗战 ; traditional Chinese: 八年抗戰 ), but in 2017 the Chinese Ministry of Education issued a directive stating that textbooks were to refer to the war as the "Fourteen Years' War of Resistance" (simplified Chinese: 十四年抗战 ; traditional Chinese: 十四年抗戰 ), reflecting a focus on the broader conflict with Japan going back to

6150-406: Was assassinated ; it is generally believed Yuan Shikai ordered the assassination. Yuan Shikai then forced the parliament to pass a bill to strengthen the power of the president and sought to restore the imperial system , becoming the new emperor of China. However, there was little support for an imperial restoration among the general population, and protests and demonstrations soon broke out across

6232-413: Was at first judged too unreliable (an important consideration given that the plane was expected to fly long distances over open water). Following a series of modifications, though, the engine's performance was finally deemed promising enough that carrier acceptance trials were begun at the end of 1942. Subsequent test flights conducted aboard the carriers Ryuho and Zuikaku indicated the need to strengthen

6314-676: Was fought between the Republic of China and the Empire of Japan between 1937 and 1945, following a period of war localized to Manchuria that started in 1931. It is considered part of World War II , and often regarded as the beginning of World War II in Asia. It was the largest Asian war in the 20th century and has been described as "the Asian Holocaust ", in reference to the scale of Japanese war crimes against Chinese civilians. It

6396-575: Was most effective in the area of what is now Inner Mongolia and Hebei. In 1935, under Japanese pressure, China signed the He–Umezu Agreement , which forbade the KMT to conduct party operations in Hebei. In the same year, the Chin–Doihara Agreement was signed expelling the KMT from Chahar. Thus, by the end of 1935 the Chinese government had essentially abandoned northern China. In its place,

6478-407: Was relatively straightforward, requiring only that the nose be extended to maintain the aircraft's center of gravity and minor alterations to the oil cooler and air intakes on the engine cowling. A smaller 3.4 m (11 ft) diameter four-bladed propeller and shorter spinner were also installed at this time, resulting in a small weight-savings, and the retractable tailwheel was fixed permanently in

6560-453: Was simply protecting its own economic interests. However militarists in the Japanese Army began pushing for an expansion of influence, leading to the Japanese Army assassinating the warlord of Manchuria, Zhang Zuolin . This was done with hopes that it would start a crisis that would allow Japan to expand their power and influence in the region. When this was not as successful as they desired, Japan then decided to invade Manchuria outright after

6642-560: Was to carry a crew of three (pilot, navigator/bombardier and radio operator/gunner) and be of low wing, cantilevered , all-metal construction (though control surfaces were fabric-covered). Further requirements included a top speed of 250 knots (460 km/h; 290 mph), a cruising speed of 200 knots (370 km/h; 230 mph) and a range of 1,000 nmi (1,900 km; 1,200 mi) with an 800 kg (1,800 lb) bomb load or 2,072 nmi (3,837 km; 2,384 mi) without external armament. The Navy had requested installation of

6724-425: Was used by Japan, as neither country had made a formal declaration of war . From the Japanese perspective, localizing these conflicts was beneficial in preventing intervention from other countries, particularly the United Kingdom and the United States, which were its primary source of petroleum and steel respectively. A formal expression of these conflicts would potentially lead to an American embargo in accordance with

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