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Topic: General Electric J47


In the News (Thu 31 Dec 09)

  
  General Electric Engines
The J47 was developed by the General Electric Company from the earlier J35 engine and was first flight-tested in May 1948 as a replacement for the J35 used in the North American XF-86 "Sabre".
General Electric Company (GE) was incorporated in 1892, when it acquired the assets of The Edison General Electric Company, founded by Thomas Alva Edison, and two other electric companies.
The J47 was inadequate for the new series of supersonic fighters because, at high speeds, the front compressor stages would pull in more air than then rear ones could handle, leading to compressor stall.
www.centennialofflight.gov /essay/Aerospace/GE/Aero11.htm   (1653 words)

  
 Турбореактивный двигатель General Electric J47
Двигатель J47 был разработан компанией General Electric на основе раннего двигателя J35 и был впервые испытан в мае 1948 после того, как установлен вместо двигателя J35 на самолете North American XF-86 "Sabre".
Свыше 30000 двигателей J47 было построено до снятия их с производства в 1956 году.
J47 был снят с производства в то время, когда последний Boeing KC-97J был списан со службы в Национальной Гвардии в 1978 году.
www.airwar.ru /enc/engines/j47.html   (142 words)

  
 General Electric
General Electric's story begins before 1890 when Thomas Edison organized his various businesses into the Edison General Electric Company.
Because of an expertise in power generating gas-turbines, the company was approached by the U.S. Army first in 1917 to develop turbochargers, then again in the 1940's to develop jet engines.
GE got back into the turbojet business with the excellent J47 and has been one of the top aircraft engine companies since.
www.shanaberger.com /engines/ge.htm   (117 words)

  
 General Electric jet engines           In the early 1900s
In the early 1900s, General Electric successfully tested steam and gas turbines.
The CFM56 core is based on the GE F101 engine (developed for the B-1 bomber) and employs a single-stage high-pressure turbine to drive a nine-stage compressor.
Take, for example, GE's newest natural-gas generator, a revolutionary advance in power production that breaks an efficiency barrier once believed to be unreachable, and at the same time radically reduces emissions thought to contribute to global warming.
www.gasturbineowners.com /general_electric_jet_engines____.htm   (966 words)

  
 General Electric J47
Specifications (J47-A) After losing the J33 and J35 to rival Allison, GE decided to design a J35 replacement.
Using the same frame size as the J35, the J47 used a new compressor and turbine.
First flight tested in 1948, the J47 was also the first axial-flow engine in the United States to be approved for commercial use.
www.shanaberger.com /engines/J47.htm   (74 words)

  
 Boeing B-47 Stratojet -- Chapter 3   (Site not responding. Last check: 2007-10-13)
The B-47B was to be built at the government-owned Boeing Plant II at Wichita, Kansas, since the Seattle plants were all committed to the manufacture of the B-50 and the C-97, and the conversion of obsolescent B-29s to tankers.
The B-47B was powered by six General Electric J47-GE-11 engines and had structural modifications that allowed takeoff weights as high as 200,000 pounds.
J47-GE-25 engines with water injection were installed, and General Electric radar-directed 20-mm cannon were installed in the tail in place of the 0.50-inch machine guns.
www.csd.uwo.ca /~pettypi/elevon/baugher_us/b047-03.html   (1610 words)

  
 General Electric J79 - Wikipedia, the free encyclopedia
The General Electric J79 is an axial-flow turbojet engine built for use in a variety of fighter aircraft and bomber aircraft.
Produced by General Electric Aircraft Engines, it was one of the first US-designed engines to outperform designs from the United Kingdom, which had previously led in the jet field.
J79 was a single-shaft turbojet with a 17-stage compressor with a novel arrangement of variable stator blades which allow the engine to develop pressure similar to a two-stage engine at a much lower weight.
en.wikipedia.org /wiki/General_Electric_J79   (641 words)

  
 Convair B-36D Peacemaker
These turbojets would be used for takeoff and for short bursts of speed during the bombing run, and would have only a minimal effect on the range.
The B-36D featured two pairs of General Electric J47-GE-19 turbojets in pods underneath the outer wings to assist the six R-4360-41 engines.
The Western Electric APS-23 radar was of an improved variety with a rapid scan antenna, high-definition radar scopes, data storage tubes that could hold an image on display for a considerable amount of time, K-band tunable radar heads, and flush-mounted antennae.
home.att.net /~jbaugher2/b36_6.html   (1361 words)

  
 General Electric J47 - Wikipedia, the free encyclopedia
The J47 turbojet was developed from the earlier J35 engine, and first flew in May 1948.
The J47 was the first axial-flow turbojet approved for commercial use in the United States.
It was used in many types of aircraft, and more than 30,000 were manufactured before production ceased in 1956.
en.wikipedia.org /wiki/General_Electric_J47   (100 words)

  
 B47stratojetAssoc history Chapter 3
The glass was coated with a transparent chemical conductor of electricity, which enabled it to be kept free of ice.
However, the suitability of the A-2 for the B-47 was deemed too questionable to warrant its retention and it was canceled at the end of 1951.
Since the A-5 system would not be ready until the end of 1953, a stopgap measure was necessary, and it was decided to retrofit early B-47s with a two-gun turret and an N-6 optical sight.
www.b-47.com /history/ch03/b-47ch03.html   (1697 words)

  
 USA - the early jet age
The XP-59A was powered by the first American jet engine, the General Electric I-A, which was centrifugal-flow and based on the W2B design of Frank Whittle.
It was while visiting the site in 1944 that Stanley Hooker was so surprised at the power of the engines being developed, that he immediately developed a crash program in Britain to produce the high powered Nene.
General Electric were developing two engines at the time, one centrifugal and one axial, both rated at 1800 kg.
www.neam.co.uk /JetHistory/usa.html   (1004 words)

  
 J 47   (Site not responding. Last check: 2007-10-13)
In September 1948, a J47 powered an F-86A to a new world's speed record of 670.981 miles per hour.
More than 30,000 engines of the basic J47 type were built before production ended in 1956.
The J47 was retired when the last Boeing KC-97J was dropped from Air National Guard service in 1978.
www.136thsilvereagles.org /lineage/1970/kc97/j_47.htm   (181 words)

  
 Wright Field Through World War II   (Site not responding. Last check: 2007-10-13)
On June 20, 1941, the Army Air Corps was redesignated the Army Air Forces, and General Henry H. Arnold assumed command of the new organization.
Until another generation of fighters became available in 1944, the underpowered P-39 shared the role of standard single-seat fighter with the Curtiss P-40.
Even though General Electric had experimented with industrial turbines late in the nineteenth century, American aircraft engine technology had concentrated on piston engines.
www.ascho.wpafb.af.mil /REMARKABLE/CHAP4.HTM   (7665 words)

  
 Boeing B-47B Stratojet
The B-47B was to be built at the government-owned Boeing Plant II at Wichita, Kansas, since the Seattle plants were all committed to the manufacture of the B-50 and the C-97, as well as to the conversion of obsolescent B-29s to tankers.
The B-47B was general similar to the earlier Stratojets--it was just 3 inches taller than the B-47A and only 8 inches shorter.
It was powered by six General Electric J47-GE-11 engines and had structural modifications that allowed takeoff weights as high as 200,000 pounds.
home.att.net /~jbaugher2/b47_3.html   (1894 words)

  
 [1.0] F-86A Through F-86D
By August, the USAF was hitting the enemy rear areas hard with B-26 Invader and B-29 Superfortress bombers in an attempt to relieve the pressure on US and South Korean forces boxed in around the city of Pusan.
On 15 September 1950, General Douglas MacArthur, commander of United Nations forces in the theatre, conducted an amphibious landing at Inchon, near the South Korean capital of Seoul, cutting the supply lines of the North Korean units to the south.
The Americans were in general experienced, and rotated individuals into combat with the help of those that knew the game.
www.faqs.org /docs/air/avf861.html   (6126 words)

  
 GE-Aviation - Wikipedia, the free encyclopedia
GE-Aviation, a subsidiary of General Electric, is headquartered in Evendale, Ohio (a Cincinnati suburb).
GE Aviation is part of GE Infrastructure, itself a major part of the conglomerate General Electric, one of the world's largest corporations.
In 1942, General Electric developed the first US jet engine in Lynn, Massachusetts.
en.wikipedia.org /wiki/General_Electric_Aircraft_Engines   (361 words)

  
 General Electric Company
General Electric Company J47-GE-23 THRU J47-PM-25A Service Instructions
General Electric Company J47-GE-23 THRU J47-PM-25A Overhaul Instructions
General Electric Company CJ610 Turbojet Engines Operations, Maintenance, OH
www.esscoaircraft.com /General_Electric_Company_s/6926.htm   (274 words)

  
 Air and Aircraft: GE J47 Jet Engine   (Site not responding. Last check: 2007-10-13)
The J47 engine was first conceived in March 1946.
Since that time many variations of the J47, including many technical innovations, have been designed and produced.
This page from the Air Force Museum's Engine Gallery shows a photo of a J47 engine, engine stats and even the engine cost.
www.californiasciencecenter.org /Exhibits/AirAndSpace/AirAndAircraft/GE_J47/GE_J47.php   (654 words)

  
 IIAF - F-86
Six 0.5 in machine-guns in nose, two Sidewinder missiles, two 453kg (1,000 lb) bombs or eight 5 inch rockets under wings.
(Later Lt. General and Commander of IIAF which was Killed by islamic regime in 1979)
The Aircraft commander was Capt. Hessam Mirtolooi (Later general).
www.iiaf.net /aircraft/jetfighters/F86/f86.html   (732 words)

  
 Gallery of Classics - Bombers: B-45 Tornado
In flying the 3,640 miles from Alaska to Japan in nine hours, 50 minutes, the crew of Maj. Louis H. Carrington, Jr., Maj. Frederick W. Shook, and Capt. Wallace D. Yancey won the Mackay Trophy.
In the 1950s, two aircraft were used in the development of jet engines (the JB-45A was used by Westinghouse, and the JB-45C was used by both General Electric and Pratt and Whitney).
Two General Electric J47-GE-13 and two General Electric J47-GE-15 turbojets of 5,200 lb static thrust each
www.afa.org /magazine/gallery/bombers/b-45.asp   (385 words)

  
 military-aircraft-b-45   (Site not responding. Last check: 2007-10-13)
In 1944 North American began studies for a jet powered bomber, and this NA-130 matured as a conventional aircraft with the exception of its jet power plant, one pair of 4,000-lb thrust Allison built General Electric J35-A-4 engines under each wing.
The B-45A enter service in November 1948, and while the first 22 retained the J35 the others used the identically rated General Electric J47.
Some 14 aircraft were modified as TB-45A target tugs, and the last B-45As were retired in 1958.
www.highgallery.com /military-aircraft-b-45.html   (160 words)

  
 Martin XB-51 - Message Board - ezboard.com   (Site not responding. Last check: 2007-10-13)
The aircraft that finally emerged was powered by three General Electric J47 turbojet engines, one in the tail fed by a top air inlet and two in nacelles underneath the forward fuselage.
The XB-51 was entered in the contest, along with the North American B-45 Tornado and the North American AJ-1 Savage.
However, its low limit load factor of 3.67 G severely limited its capability during tactical operations, and was generally considered unsatisfactory.
p090.ezboard.com /fjpspanzersfrm25.showMessage?topicID=291.topic   (1340 words)

  
 XF-91 index: XF-91 Photo Gallery Contact Sheet
The Republic XF-91 Thunderceptor was a single-place fighter, powered by a General Electric J47-GE-17 turbojet engine.
The wing had a sweep angle of 40 degrees at the 50-percent-chord line and had inverse taper and variable incidence.
One NACA technical report dealt with testing the aircraft's stability by NACA and Republic using the inflight variable wing incidence capability, while the other report looked at wing aileron effectiveness.
www1.dfrc.nasa.gov /gallery/photo/XF-91/HTML/index.html   (234 words)

  
 Spirit of America - Wikipedia, the free encyclopedia
The Spirit of America was the first of the modern record breaking cars, build within new rules with its three wheel design, narrow stream-lined shape and most significantly turbojet engine.
Like most of the other competing vehicles the engine was ex-military, the first Spirit had a General Electric J47 engine from a F-86 Sabre and was tested at Bonneville Salt Flats in 1962, where difficult handling resulted in failure.
The vehicle is 538 in (13.7 m) long, 100 in (2.5 m) wide, 70 in (1.8 m) high and weighs 9,000 lb (4 t), construction is on a steel tube frame with an aluminium skin body.
en.wikipedia.org /wiki/Spirit_of_America   (623 words)

  
 F - Fighter Aircraft
1 General Electric J33-GE-11 or 1 Allison J33-A-9/17/25
1 General Electric J33-GE-11 or 1 Allison J33-A-9/17/23/25
1 General Electric T31-GE-1 and 1 Allison J33-GE-5
www.personal.psu.edu /users/d/o/dob104/aviation/us/fighter.html   (189 words)

  
 Chanute Air Museum
The J47 turbojet engine was developed from the earlier J35 engine by General Electric.
More than 30,000 were manufactured, in at least seventeen variants, before production ended in 1956.
It weighed over 2,700 pounds and generated over 5,600 pounds of thrust.
www.aeromuseum.org /engines_j47.html   (129 words)

  
 NORTH AMERICAN F-86H
The increased chord of the wing (6 inches at the root and 3 inches at the tip) and small boundary layer fences gave better maneuvering performance at high speeds.
A General Electric J47-27 engine powered the F-86F; producing 6,000 pounds of thrust the aircraft can achieve a speed of 695 mph and can exceed the speed of sound in a shallow dive.
It is capable of climb rates up to 10,000 feet per minute and can fly as high as 50,000 feet.
www.fas.org /nuke/guide/usa/airdef/f-86.htm   (1040 words)

  
 Boeing B-47 Stratojet
These two types were powered by six engines instead of the original design of four.
These engines were the General Electric J47-GE-11 and -23 engines giving up to 5,800 pounds of thrust - 1,800 pounds more than the prototype's J35-GE-7 units.
Engines: six General Electric J47-GE-25 turbojets, 6,000 lb (2,271 kg) thrust each.
oldkunnel.net /hgr18040.html   (525 words)

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