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Topic: Allison J33

	Chanute Air Museum
		The J33 turbojet is a direct descendant of the original British Whittle jet engine developed in the 1940s.
		The J33 weighed over 1,700 pounds and generated a maximum of over 5,000 pounds of thrust with water and alcohol injection.
		This J33 cutaway was created by the Training Aids department of the Chanute Technical Training Center for use in various jet engine courses.
	www.aeromuseum.org /engines_j33.html (121 words)

	F9F Panther
		Allison J33 was considered as a possible alternative, since it was about the same size as the Nene but was somewhat less powerful.
		By November, the Navy had narrowed its choice of powerplant options and specified that two of the G-79 prototypes should be completed as XF9F-2 powered by Rolls Royce Nene turbojets and that the third should be powered by an Allison J33 turbojet and be designated XF9F-3.
		The J33 engine was somewhat less powerful than the J42, but it was considered to be a safer risk.
	www.angelfire.com /space/grumman/aircraft/panther.html (1238 words)

	J33
		Originally developed by the General Electric Company for the Lockheed P-80 "Shooting Star", the J33 engine is a direct descendant of the British Whittle engine of the early 1940s.
		The second airframe of the P-80 Shooting Star family was designed for the American-built General Electric J33 jet engine.
		The XF-81 was a hybrid aircraft with on J33 jet and one XT-31 turboprop.
	www.globalsecurity.org /military/systems/aircraft/systems/j33.htm (367 words)

	F-80
		Furthermore, the P-80 had the highest accident rate in the AAF (More than twice that of any other fighter, excluding the P-59 which was seldom flown.)-36 crashes alone between March and September 1946.
		The GE J33-11 and Allison J33-9 engines, used interchangeably by earlier P-80As, would be reconfigured along the lines of the new J33-17.
		The same fund shortages that kept Allison from improving the engines of the early P80As slowed other postproduction modifications.
	www.globalsecurity.org /military/systems/aircraft/f-80a.htm (820 words)

	Originally developed by the General Electric Company for the Lockheed P (Site not responding. Last check: 2007-10-08)
		The first J33 underwent static testing on January 13, 1944, just 6 1/2 months after development began.
		Five months later, a J33 engine flew in the XP-80A replacing the De Havilland H-1A, a change that was to become permanent.
		In November 1945, the Allison Division of General Motors assumed complete responsibility for the development and production of J33 series engines.
	usfighter.tripod.com /j33.htm (167 words)

	XP-92
		After the wind-tunnel testing was completed, the airframe was returned to San Diego, where it was installed with a 4250 lb.st. Allison J33-A-21 turbojet.
		In 1951, the XF-92A was refitted with an Allison J33-A-29 engine with afterburner, offering a thrust of 7500 lb.st. The re-engined XF-92A was flown by Chuck Yeager for the first time on July 20, 1951.
		One Allison J33-A-29 turbojet, 5900 lb.st. dry and 7500 lb.st. with afterburner.
	www.astronautix.com /craft/xp92.htm (1110 words)

	Allison J33
		Using the British Whittle WB.2 turbojet as a starting point, the I-40 was developed by GE and first flew in the XP-80 in 1944.
		Using a new designation system, the I-40 was redesignated the J33 with responsibility for further development passing to Allison in 1945.
		Allison produced more than 6,600 J33-A-35s for the Air Force alone.
	www.kensaviation.com /engines/J33.htm (77 words)

	P-80 Shooting Star - Facts, Information, and Encyclopedia Reference article
		Design work began in 1943 with the design being built around a British de Havilland H1 B turbojet.
		The powerplant was soon changed to a GE or Allison copy.
		The design was conventional, an all-metal airframe with a slim low wing and tricycle undercarriage.
	www.startsurfing.com /encyclopedia/f/-/8/F-80.html (460 words)

	Fact Sheets : Allison J33 Turbojet : Allison J33 Turbojet (Site not responding. Last check: 2007-10-08)
		Originally developed by the General Electric Co. for the Lockheed P-80 Shooting Star, the J33 engine is a direct descendant of the British Whittle engine of the early 1940s.
		The first J33 underwent static testing on Jan. 13, 1944, just 6 1/2 months after development began.
		The J33s were used in various models of USAF and Navy aircraft, and in the USAF’s Mace, Matador and Snark surface-to-surface guided missiles.
	www.nationalmuseum.af.mil /factsheets/factsheet.asp?id=868 (208 words)

	Aircraft of the Korean War
		Used initially for counterair and ground attack work, their importance as night fighters caused them to be withdrawn for defense purposes until a shortage of spare parts made it necessary to retire them from combat.
		Powered by 5,000-pound static thrust Allison J35 engines, the F-84's heavily laden takeoffs from Korean airfields were sometimes augmented by the use of strap-on jet bottles, a process known as JATO--Jet-Assisted Takeoff.
		The power plant was an Allison J33 of 6,000 pounds thrust in afterburner-and it was the first US production jet equipped with afterburner.
	www.afa.org /magazine/July2000/0700korea.asp (1920 words)

	Aviation Images - Deutsches Museum (Site not responding. Last check: 2007-10-08)
		Using a single stage centrifugal compressor and a single stage axial turbine, the J33 turbojet is a direct descendant of the Whittle engine.
		The first J33 underwent static testing on 13 January 1944 and flew in the XP-80A five months later.
		The J33-A-35, of which over 6,600 were built between 1949 and 1955, was used in Luftwaffe T-33A trainers.
	www.b-domke.de /AviationImages/Deutsches_Museum/7494.html (67 words)

	Welcome to AvWings
		However, early design work soon indicated that the standard Allison J33 of the TF-80C would have insufficient power to accommodate the additional weight of the fire control equipment and armament, resulting in a fighter with a relatively low maximum speed and poor climbing performance.
		These problems were eventually solved by Allison and Lockheed engineers working together to develop a new flame-holder system for the afterburner.
		One Allison J33-A-33 or -33A turbojet rated at 4400 lb.st. dry and 6000 lb.st with afterburning.
	www.avwings.com /pics/f94.html (4064 words)

	Early Jet Aircraft
		Later model J33 engines would be fitted with a dual fuel pump; one side being the normal fuel pump and the other side the emergency fuel pump.
		There was a simple flapper valve installed in the line between the two pumps and it was actuated by fuel pressure differential.
		Apparently this was not that unusual for an aircraft equipped with the Allison Time Bomb.
	www.airandspacemuseum.org /EarlyJetAircraftKramm.htm (8649 words)

	Boeing Skyfox (Site not responding. Last check: 2007-10-08)
		The programme included the replacement of the Allison J33-A-35 turbojet by two Garrett TFE731-3A turbofans and an extensive redesign of the airframe, but no customers could be found for the Skyfox.
		The design team proposed retaining about 70 per cent of the structure of the T-33 and replacing the ancient Allison J33-A-35 turbojet with a pair of 1,678 kg thrust Garrett TFE731-3A turbofans, mounted on the rear fuselage sides.
		Other modifications included inboard wing leading-edge extensions, the replacement of the tip tanks with winglets, new canopy with one-piece windshield, revised nose geometry to improved visibility from the cockpit and to fair into the T-33's lateral intakes, new tail surfaces with a mid-set tailplane, and new avionics.
	www.csd.uwo.ca /~pettypi/elevon/baugher_other/skyfox.html (1415 words)

	Lockheed P-80A Shooting Star
		Others were powered by the Allison J33-A-9, a version of the same engine built by the Allison Division of the General Motors Corporation.
		The landing light was relocated from the nose to the nosewheel landing gear strut.
		The conversion consisted of the installation of the J33-A-35 engine, the installation of an ejector seat using an M-5 catapult and M-3 actuator, and provision for an AN/ARC-27 command radio.
	home.att.net /~jbaugher1/p80_4.html (2016 words)

	F-9 history
		V úvahu přicházely motory: Westinghouse J34, Rolls-Royce Derwent nebo licenční Rolls-Royce Nene označovaný jako J42 případně Allison J33.
		A třetí prototyp označený XF9F-3 měl být poháněn motorem Allison J33.
		J33 byl plánován jako alternativní pohon pro Panthera, kdyby se nepodařilo úspěšně rozjet licenční výrobu motoru Rolls Royce Nene - J42.
	www.military.cz /usa/air/post_war/f9/f9hist.htm (3899 words)

	Grumman F9F-3 Panther (Site not responding. Last check: 2007-10-08)
		It differed from the F9F-2 in being powered by the Allison J33 turbojet, which was approximately the same size as the J42 but was somewhat less powerful.
		The J33 had been planned as a second-source powerplant for the Panther in case the program to produce the Nene under license in the USA as the J42 proved unsuccessful.
		Because of initially slow deliveries of J42 engines for the F9F-2, the F9F-3 was actually the first Panther version to enter service with the Navy, when F9F-3s replaced the FJ-1 Furies of VF-51 in May of 1949.
	home.att.net /~jbaugher1/f9_3.html (388 words)

	XF-92A index: XF-92A Photo Gallery Contact Sheet
		The delta wing's large area (425 square feet), thin airfoil cross section, low weight, and structural strength made a great combination for a supersonic aircraft.
		The aircraft was powered by an Allison J33-A-29 turbojet engine with an afterburner.
		It was controlled by a conventional rudder and full-span elevons that functioned as elevators and ailerons.
	www.dfrc.nasa.gov /gallery/photo/XF-92A/HTML/index.html (351 words)

	Airshow-Acts T-33
		The original engine was the Allison J33-23 engine; however, later aircraft were fitted with the J33-35 engine producing 4,600 pounds (2,087 kilograms) of thrust.
		Dual controls were also added and the whole cockpit was covered by a single-piece canopy.
		It was also fitted with a larger Allison J33-24 engine producing 6,100 pounds (2,767 kilograms) of thrust.
	www.btinternet.com /~ifield.park/t33.htm (1731 words)

	Monogram 1/48 F-80C Shooting Star
		Allison J33-A-35 engine and was armed with 6 M3 50 cal machine guns, making it heavier and more powerful than previous versions.
		Some 800 were delivered to the USAF by the start of the Korean War.
		The box cover has a colour photo of a built up kit, with garish shades of interior green screaming from opened under-carriage doors, airbrakes and the gun bay.
	www.fortunecity.com /meltingpot/portland/971/Reviews/usaaf/f-80c_48.htm (1081 words)

	Grumman F9F Panther - Message Board - ezboard.com (Site not responding. Last check: 2007-10-08)
		Alternatively, during the early summer of 1946, Grumman proposed the use of a single 5000 lbst Rolls-Royce Nene centrifugal-flow turbojet which would be built under license in the USA as the J42.
		In case the J42 ran into unexpected difficulties, the 4600 lbst Allison J33 was considered as a possible alternative, since it was about the same size as the Nene but was somewhat less powerful.
		The J33 had been planned as a second-source power plant for the Panther in case the program to produce the Nene under license in the USA as the J42 proved unsuccessful.
	p090.ezboard.com /fjpspanzersfrm25.showMessage?topicID=138.topic (3705 words)

	Grumman F9F Panther - carrier-borne fighter
		The first prototype XF9F-2 was powered by an imported Nene engine and flew for the first time on 24 November 1947.
		The second prototype was similarly fitted, but the third (the XF9F-3) had an Allison J33 engine.
		The F9F-4 (73 of which were ordered originally) was powered by an Allison J33-A-16 engine, but none was completed and the contracts were combined with those for more than 580 27.80kN Pratt & Whitney J48-P-4/6A-engined F9F-5s (which flew for the first time on 21 December 1949).
	avia.russian.ee /air/usa/grumman_panther.html (303 words)

	Navy Times - Marines flew sturdy F9F Panther in Korea (Site not responding. Last check: 2007-10-08)
		After abandoning an F9F-1 design that would have included four engines, the plane maker began work in 1946 on the F9F-2 model, using a single imported British Rolls-Royce Nene turbojet, later known in U.S. jargon as the Pratt and Whitney J42.
		The F9F-2 made its initial flight Aug. 16, 1948, and was soon followed by the improved F9F-3, powered by the Allison J33 turbojet engine.
		While the Navy was putting the Panther on carrier decks, the first Marine Panthers were F9F-2 models that reached Marine Fighter Squadron 115 in August 1949.
	www.navytimes.com /story.php?f=1-292308-2067345.php (485 words)

	Pentagon HIT (Site not responding. Last check: 2007-10-08)
		Retired from service in 1992, the Whale is still flying missions for Hughes Aircraft, which has a fleet of over a dozen A-3s used for various tests of missile systems and other classified projects.
		The XSSM-A-3 was powered by an Allison J33-A-31 turbojet, and launched from a rocket-powered sled.
		It had a radio-command guidance system, and was controlled in flight by commands from a DB-45 director aircraft.
	vestigialconscience.com /PentagonHIT.htm (184 words)

	The Glenn L. Martin Maryland Aviation Museum
		So was the high tail fin also seen in the 2-O-2 and XB-48.
		Like the XB-48, the Mercator had jet engines, two Allison J33's mounted beneath the big radials in the same nacelles.
		Experience in World War II had shown the Navy that this need not be limited to flying boats: faster landplanes like the Lockheed PV-1 Ventura, PV-2 Harpoon, and Consolidated PB4Y Liberator and Privateer had been useful as well.
	www.marylandaviationmuseum.org /history/martin_aircraft/21_p4m.html (531 words)

	military-aircraft-f-94 (Site not responding. Last check: 2007-10-08)
		With a lengthened fuselage to accept nose mounted fire control radar and the 6,000 lb.
		after burning thrust Allison J33-A-33 turbojet it first flew in April 1949.
		The two YF-94s suffered power plant problems, but even so the F-94A enter service in December of the same year.
	www.highgallery.com /military-aircraft-f-94.html (237 words)

	JET ENGINE - Page 4 - WW2inColor Talk
		The Germans had several in combat, and the UK had the Metrovick Beryl (later Armstrong Siddely Sapphire, in US service as the J65 which was used by among other things the A-4 Skyhawk).
		Note that UK engines were constrained by the Metor design - we were fighting a war for survival and needed jet aircraft extremely quickly to counter the V-1.
		Hence (surprise surprise) while your statement is technically correct it is also downright misleading - it took the US two whole years after WW2 to come up with a jet better than the Meteor for air speed.
	www.ww2incolor.com /forum/showthread.php?t=1975&page=4 (3306 words)

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