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Topic: Nakajima Sakae


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In the News (Thu 26 Nov 09)

  
  Mitsubishi A6M Zero
Nakajima thought these requirements to be completely unrealistic and pulled out of the competition on January 17, 1938.
In November 1941 the Nakajima Hikoki K.K. was instructed to begin producing the Model 21 at its Koizumi plant.
The Sakae 21 engine of the A6M3 had a higher fuel consumption rate than the Sakae 12, and this, acting in concert with the reduced fuel capacity resulting from the installation of the two-speed supercharger, had an adverse effect on range, which had been one of the strong points of the A6M2.
www.fighter-planes.com /info/a6m.htm   (8414 words)

  
  Mitsubishi Zero
Nakajima's team thought the new requirements were ridiculous and pulled out of the competition in January.
In late 1941 Nakajima introduced the Sakae 21, which used a two speed supercharger for better altitude performance, and increased power to 1,130hp.
The new Sakae was slightly heavier and somewhat longer due to the larger supercharger, which moved the center of gravity too far forward on the existing airframe.
www.ebroadcast.com.au /lookup/encyclopedia/ze/Zero_Fighter.html   (1455 words)

  
 Mitsubishi A6M Zero
Nakajima thought these requirements to be completely unrealistic and pulled out of the competition on January 17, 1938.
In November 1941 the Nakajima Hikoki K.K. was instructed to begin producing the Model 21 at its Koizumi plant.
The Sakae 21 engine of the A6M3 had a higher fuel consumption rate than the Sakae 12, and this, acting in concert with the reduced fuel capacity resulting from the installation of the two-speed supercharger, had an adverse effect on range, which had been one of the strong points of the A6M2.
users.bart.nl /users/wbergmns/info/a6m.htm   (8414 words)

  
 Axis History Factbook: Mitsubishi A6M Zero
The Sakae 21 engine used in the A6M3 was larger and thirstier than the Sakae 12 used in the A6M2, and led to reduced fuel tankage and range.
Nakajima performed second-source production of the Zero, and in fact eventually built more than Mitsubishi, with a total of a over 6,500 Zeros built by Nakajima and a little under 4,000 built by Mitsubishi.
Nakajima accordingly designed the floatplane variant of the Zero, with this variant first flying on the day Pearl Harbor was attacked, 7 December 1941.
www.axishistory.com /index.php?id=1159   (4916 words)

  
 v7ndotcom elursrebmem v7ndotcoms elursrebmems
Both Nakajima and Mitsubishi entered the competition, but Nakajima decided to drop out, feeling the specifications really were impossible to meet.
The Sakae 21 engine used in the A6M3 was larger and thirstier than the Sakae 12 used in the A6M2, and led to reduced fuel tankage and range.
Nakajima accordingly designed the floatplane variant of the Zero, with this variant first flying on the day Pearl Harbor was attacked, 7 December 1941.
www.toprankingcompany.com /mitsubishi-a6m-zero.htm   (6341 words)

  
 The Mitsubishi A6M Zero ("Zeke")
The Sakae 31A engine provided noticeably improved performance, when it worked properly, but under the pressures of war Japanese manufacturing quality was in steep decline.
The first was the "A6M7" or "Model 63", which had the Sakae 31a engine and five-gun armament, and could carry a 500 kilogram (1,100 pound) or a 250 kilogram (550 pound) bomb under the centerline, along with two underwing tanks.
Meyer noticed that the Sakae 21 engine announced its Pratt and Whitney ancestry by conscientiously displaying the Pratt and Whitney logo with an eagle on it and the English term "Quality and Reliability", along with the Nakajima name in Japanese.
www.vectorsite.net /avzero.html   (6201 words)

  
 Japanese Nakajima B5N1 and B5N2 (Kate) Carrier Based Torpedo Bomber
The Nakajima B5N1 carrier based Torpedo Bomber (Kate) was designed in 1935 by a Nakajima design team under the supervision of Katsuji Nakamura and went into production as the Navy Type 97 Model 1 attack bomber in 1937.
The B5N2, produced from 1939 onward, was powered by the twin row, 14 cylinder 1000hp Nakajima Sakae 21 radial engine which was longer and smaller in diameter.
By 1944 the B5N2 had been replaced by the Nakajima B6N (Jill) Carrier based torpedo bomber but a few B5N2s stayed in service until the end of the war as trainers, target tow aircraft, and those that remained in flying condition were used as Kamikaze aircraft in 1945.
www.vf31.com /aircraft/kate.html   (323 words)

  
 Zero
Nakajima NKIP Sakae 31, fourteen cylinder air-cooled two-row radial
The nearly 11,000 made by Mitsubishi and Nakajima played a major role in the Pacific and war which was sparked when more than 400 of the previously ignored Zeros, plus other types, pounced on Pearl Harbor in the early morning of December 7, 1941 with such devastating effects.
The A6MZ-N was made in Koizumi by Nakajima and reached 273 mph with its single cener float and a pair of underwing stabaliser floats.
commandos.strategyplanet.gamespy.com /zero.html   (799 words)

  
 Nakajima B5N
One Nakajima Hikari 2 nine-cylinder air-cooled radial rated at 700 hp for take-off, and 800 hp at 3,500 m, driving a three-blade variable-pitch propeller (first prototype).
One Nakajima Hikari 3 nine-cylinder air-cooled radial rated at 770 hp for take-off, and 840 hp at 3,000 m, driving a three-blade constant-speed metal propeller (B5N1).
One Nakajima NK1B Sakae 11 fourteen-cylinder air-cooled radial rated at 1,000 hp for take-off, and 970 hp at 3,000 m, driving a three-blade constant-speed metal propeller (B5N2).
www.combinedfleet.com /ijna/b5n.htm   (186 words)

  
 Nakajima J1N1-S Gekko   (Site not responding. Last check: )
The Nakajima Hikoki K.K. (Nakajima Aeroplane Co Ltd) was Japan's oldest aircraft company and was a highly-integrated engine and airframe production complex, which made just about everything from aircraft engines and airframes all the way to pig iron and aircraft ordnance.
Nakajima's chief engineer Katsuji Nakamura's design team came up with a low-winged monoplane powered by a pair of 1130 hp Nakajima Sakae air-cooled radial engines.
Two Nakajima NK1F Sakae 21 fourteen cylinder air-cooled radial engines, each rated at 1130 hp for takeoff, 1100 hp at 9350 feet, and 980 hp at 19,685 feet.
www.csd.uwo.ca /~pettypi/elevon/baugher_other/j1n1s.html   (1417 words)

  
 Mitsubishi A6M Reisen (Zero Fighter)
One Nakajima NK1C Sakae 12 fourteen-cylinder air-cooled radial, rated at 940 hp for take-off and 950 hp at 4,200 m, driving a three-blade metal propeller (A6M2).
One Nakajima NK1F Sakae 21 fourteen-cylinder air-cooled radial, rated at 1,130 hp for take-off, 1,100 hp at 2,850 m and 980 hp at 6,000 m, driving a three-blade metal propeller (A6M3, A6M5, A6M5a, A6M5b and A6M5c).
One Nakajima Sakae 31 fourteen-cylinder air-cooled radial, rated at 1,130 hp for take-off, 1,100 hp at 2,850 m and 980 hp at 6,000 m, driving a three-blade metal propeller (A6M6c and A6M7).
www.combinedfleet.com /ijna/a6m.htm   (528 words)

  
 A6M2 Zero (Tora Replica)
The specifications were presented to the Nakajima and Mitsubishi aircraft manufacturing teams.
Nakajima considered the new requirements unrealistic and pulled out of the running.
After further testing the Mitsubish Zuisei engine was repaced by the Nakajima Sakae engine and redesignated the A6M2.
www.olympicflightmuseum.com /aircraft_gallery/a6m2.htm   (733 words)

  
 USS ARIZONA MEMORIAL: Submerged Cultural Resources Study (Chapter 2)
After careful evaluations were made, the navy again reissued the specifications in the hopes that it would be able to replace the B4Y1 Type 96 carrier attack bombers that had been accepted as a stopgap measure until suitable aircraft could be developed.
In an effort to increase reliability, cowling-size reduction (increased visibility for pilot) and a small propeller spinner (reducing drag, that is, a cooler engine), the 14-cylinder double row Sakae II was adopted.
Powerplant: One Nakajima NK1B Sakae ii 14-cylinder air-cooler radial rated at 1,000 hp for takeoff, and 970 hp at 3,000m (9,845 ft.), driving a three-blade constant-speed metal propeller.
www.nps.gov /archive/usar/scrs/scrs2v.htm   (1072 words)

  
 A6M Zero - origins and development
To overcome the shortcoming in speed the Navy requested that the design be modified to incorporate as powerplant the 925 hp Nakajima NK1C Sakae (prosperity) 12 radial engine.
Although somewhat larger and heavier than the Zuisei, the Sakae engine was installed in a third prototype, which was given the company designation A6M2.
Mitsubishi's manufacture of A6M2s was supplemented by Nakajima, a production line being established at that company's Koizuma factory, and by the time of the attack on Pearl Harbor more than 400 Zeros had been delivered to the Navy.
www.angelfire.com /fm/compass/A6M_dev.htm   (1004 words)

  
 The Mitsubishi Zero - Power Plant
The standard engine fitted to the Model 22 was the 1130hp Nakajima NK1F Sakae 21 fourteen-cylinder radial equipped with a two-speed supercharger.
Fitting of a Sakae 12 to an A6M3 like NZ6000 would have posed weight distribution and center of gravity problems on the aircraft.
A visual inspection of the exterior of the engine currently installed failed to disclose any maker's plate, but a comparison of this engine with photographs of the Sakae 12 and 21 engines shows it to have the bulbous reduction gear housing around the front of the crankshaft characteristic of the Sakae 21.
members.tripod.com /mitsubishi_zero/powerplant.htm   (281 words)

  
 Nakajima B5N - Wikipedia, the free encyclopedia
Nakajima B5N2 carrying 800 kg (1764 lb) Type 99 MK1 bomb.
While the B5N was substantially faster and more capable than its Allied counterparts, the TBD Devastator and Fairey Swordfish, it was close to obsolescence by the time of the Pearl Harbor Attack.
Nakajima B5N2 Model 12 "Kate" over Hickam field, December 7, 1941.
en.wikipedia.org /wiki/Nakajima_B5N   (599 words)

  
 Tamiya America Item #61016 | A6M2 Type 21 Zero Fighter Kit - CO116
Heavy armament consisting of two 20mm machine guns; maneuverability not inferior to that of the 96 Kansens; and a longcrusing range corresponding to over 6-8 hours; flight at a cruising speed which was based on combat experience in China.
A number of experiments and improvements were repeated: The engine was later changed from the Mitsubishi Zuisei to the Nakajima Sakae and a constant speed 3-bladed propeller was employed in place of the 2-blader.
At the request of field units which were unable to put up with losses successively inflicted on their bombing squads, fifteen 12-Shi Kansens under the command of Lieutenants yokoyama and Shindo were sent to the Chinese Continent in July 1940 just before the new fighter was officially accepted for production.
www.tamiyausa.com /product/item.php?product-id=61016   (1467 words)

  
 Mitsubishi A6M Zero-Sen - Japan
Nakajima elected to drop their proposal for a fighter design and Mitsubishi submitted their design led by designer Jiro Horikoshi.
While flight testing the A6M1, a new power plant passed its Navy acceptance tests, and the 925 hp Nakajima NK1C Sakae 12, which was slightly larger than the Zuisei, was installed in the third A6M2 prototype.
Mitsubishi alone produced 3,879 aircraft of this type, Nakajima built 6,215 which, together with the 844 trainer and floatplane variants produced by Sasebo, Hitachi and Nakajima, brought the grand total of A6M series aircraft to 10,938.
www.aviation-history.com /mitsubishi/zero.html   (1220 words)

  
 A6M Zero
On October 5, 1937, the Japanese Navy furnished the Mitsubishi and Nakajima companies with its requirements for a new fighter with a maximum speed exceeding 310 m.p.h., the ability to climb to 9,840 feet in 3.5 minutes, maneuverability and range exceeding any existing fighter and an armament of two cannon and two machine-guns.
The prototype was accepted by the Navy on September 14,1939, as the A6M1 Carrier Fighter, and, in the meantime, a second prototype had been completed, passing the manufacturer's flight tests on October 18, 1939, and being accepted by the Navy one week later.
The Sakae 12 (Ha.35/12) was also a fourteen cylinder twin-row radial, and the Navy decided that this engine should be installed in the third prototype which would be known as the A6M2.
members.tripod.com /usfighter/zero.htm   (1994 words)

  
 Japanese Plane Database
After further testing the Mitsubishi Zuisei engine was replaced by the Nakajima Sakae engine and re-designated the A6M2.
The Nakajima NK1F Sakae 21 engine gave the plane slightly better performance, and the armament was changed to 2 20mm and 2 13.2mm guns.
At the start of hostilities, the Nakajima B5N2 ‘Kate’ was the best carrier torpedo bomber in service.
www.battlefront.com /products/dif/japanese_planes.html   (1372 words)

  
 Japanese A6M Zero Fighter - Navy Type 0 Carrier Fighter Aircraft
Nakajima engineers felt that the design specifications were unachievable so they pulled out of the design competition which left only Mitsubishi.
It was not until June of 1942 when a crash landed but virtually undamaged A6M2 was recovered in the Aleutian islands that the US was able see and fly, first hand, this advanced fighter aircraft to see where its vulnerabilities were.
The A6M Reisen was the first aircraft to be used in Kamikaze attacks against the US fleet on October 25, 1944 which was carried out by Japanese Air Group 201 and launched from bases in the Philippines.
www.vf31.com /aircraft/zero.html   (692 words)

  
 Dispatch Archive
The third prototype was powered by a Nakajima NK1C Sakae 12 ("Prosperity") engine of 950 horsepower and fitted with a constant speed three bladed propeller due to minor vibrations.
Designated the A6M2, the Nakajima powered version first flew on Jan.18, 1940, and with the higher power and greater possible fuel economy of the Sakae engine, it exceeded all of the original IJN 12-shi specifications.
Word of the new fighter quickly reached combat units in China, and 15 preproduction Rei-sens were sent to the 12th Kokuwi (Naval Air Corps) at Hankow on July 21 —10 days before the IJN officially accepted the A6M2 into service.
rwebs.net /dispatch/output.asp?ArticleID=4   (1195 words)

  
 Mania's 1/72 Nakajima B5N2 'Kate'
According to Robert Mikesh, the Nakajima B5N2, code named 'Kate' comprised 144 of the more than 300 aeroplanes in the Pearl Harbor raid.
The first prototype of this carrier-based torpedo bomber flew in 1937, with the later version employing a 985hp Nakajima Sakae 11-radial engine.
Yes, I know this is a Nakajima aeroplane but I wanted that slight blue tint to the green.
www.internetmodeler.com /2002/january/aviation/Kate.htm   (1506 words)

  
 Nakajima Sakae   (Site not responding. Last check: )
One of the most famous and released Japanese aeronautical motors, equipped A6M Reisen.
The Sakae was a radial motor of 14 cylinders, overfeed, whose final power was established in 1.100/1.200 HP.
The cylinder capacity was of 27,8 liters; the diameter of 114,4 cm, and the weight in dry, little more than 533 kg.
candamo.iespana.es /japon/cero/isakae.htm   (64 words)

  
 ccfc-aircraft   (Site not responding. Last check: )
The A6M Zero (for type 0) was designed by Jiro Horikoshi to achieve the highest possible speed and maneuverability from a Nakajima Sakae 12 engine of only 950 horsepower.
Designed in 1936 and first flown in April 1939, the Mitsubishi A6M Zero was the finest shipboard fighter in the world during the first year of the Pacific War.
A total of 10,449 aircraft were built at Mitsubishi and Nakajima factories.
www.chicagocentennialofflight.org /aircraft_mitsubishi.htm   (169 words)

  
 Stof's Zero Page
The Nakajima company thought these specifications were unreachable, and left Mitsubishi as the sole competitor.
The Nakajima A6M2-N "Rufe" was the result of the conversion of the A6M2 Model 11 into a floatplane.
The A6M6c Model 53C was powered by a Nakajima Sakae 31 engine introducing a water/methanol boost system offering 1,210 hp in case of emergency, and also had self-sealing fuel tanks.
perso.orange.fr /christophe.arribat/stofzeke.html   (1107 words)

  
 www.warbirdsresourcegroup.org - Imperial Japanese Aviation Resource Center - Mitsubishi A6M Zero-Sen
A follow-up prototype to the A6M1 equipped with the Nakajima NK1C Sakae Engine (925-hp), flying for the first time in January 1940.
This new configuration was so successful that in July 1940, Mitsubishi was awarded a contract to build 15 pre-production versions for evaluation in China.
A6M2-N was a floatplane variant built by Nakajima (327 being built).
www.warbirdsresourcegroup.org /IJARG/a6mzero.htm   (433 words)

  
 NASM Research
The left engine has a “data tag” that uses the Kanji symbol for Sakae and states the model number.
The carburetors are Nakajima two-venturi Model 100 "Ko" units on both engines.
Of note in the close up of the carb from the rear are the two large hoses running to it.
www.enginehistory.org /Japanese/nasm_research.htm   (388 words)

  
 Mitsubishi A6M3-22 Zero
Allied Intelligence applied the name "Zeke" to the A6M, but it was better known as the "Zero", which was derived from its type designation.
Mitsubishi and Nakajima built 10,449 "Zero" fighters (more than any other type of Japanese aircraft).
It was fitted with a 1,250 HP Pratt & Whitney R-1830-75, which is basically the same engine as a Nakajima Sakae 21.
www.orgsites.com /ca/cafsocalphoto/_pgg6.php3   (329 words)

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