F35 Actualité

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Message par SEAFOX le Lun 20 Juil 2009, 12:45

Un papier disant que le GE/RR F 136 serait sur la sellette (par comparaison au P&W F135)

Bon, le US avaient pour habitude d'avoir deux sources de motorisation sur quantité de programmes !

Sur AviationWeek :

The future of the Joint Strike Fighter alternate engine program reaches a critical juncture this week when the U.S. Senate is expected to vote on whether to follow through on its earmarking for the General Electric Rolls-Royce F136 in the 2010 defense budget.
The second F135-powered F-35B flew for a second time on July 13. If it survives, the first F136-powered F-35 will not fly for at least two years.Credit: STEVE SHANK

It is a vote engine industry insiders say is too close to call, and which could finally make or break the long-running alternate F136 engine campaign. Although losing the full Senate vote would not directly end the program, both sides of the engine debate recognize that coming back from a "no vote" this time would not be easy.

Pratt & Whitney--stung by the loss of two F135 engines in the program cuts this year and facing a similar outcome in 2010 as a result of funding for the F136--is posturing to defend its corner more aggressively than ever before. The company, which also faces the simultaneous threat of losing funding for the final batch of F119-powered Lockheed Martin F-22s, is being bullish over its latest F135 program achievements to date and positive over its cost-cutting plans for the engine.

Pratt's position is strongly backed by the White House, which last week threatened to veto the defense bill if it includes spending on the F136 that Defense Secretary Robert Gates earlier identified as wasteful. A bluntly worded White House statement says "the administration strongly objects to the addition of $438.9 million for development of the alternative engine program. The administration also objects to provisions of the bill that mandate an alternative engine program for the JSF."

Facing its hardest fight for survival yet, the embattled General Electric/Rolls-Royce Fighter Engine Team was buoyed by figures presented by the House Armed Services Committee, which appears to support one of the F136 team's principal arguments that competition will help keep costs in check.

In a statement, the committee says "the F-35 program manager has reported an increase of approximately 38-43% in F135 engine procurement cost estimates between December 2005 and
December 2008, in the annual selected acquisition reports for the F-35C and F-35A variants. Between December 2005 and December 2008, engine procurement cost estimates for the F-35B have grown approximately 47%, but the F-35B engine procurement cost growth is attributable to both the F135 engine and the F-35B's lift fan."

But Warren Boley, Pratt & Whitney vice president for F135 programs, says "the numbers referenced represent future cost projections over the total program (30 years) if we do not achieve 'learned-out' cost. However, with the aggressive steps we are currently taking, and our experience in significantly reducing the cost of the F119 as it was learned out, we believe we have the same opportunities for cost reduction with the F135."

Cost savings on the F135, Boley says, will include lessons learned from the test program, lean production initiatives, production changes in the assembly shop and reductions in rework and scrap. "We know what the F-35 Joint Program Office needs, and we know we can get it because we did it on the F119."

The learned-out cost reduction on the F119 was 30%, and "we see those opportunities" for the F135, Boley notes. The projected costs are targeted for the 250th production engine scheduled for 2014, and will hold for the bulk of the
program. "That's a significant cost saving on 1,500-3,000 engines," he says. Pratt is currently assembling the initial production configuration units and will deliver the first seven to Lockheed Martin in the fourth quarter of this year.

Despite the House committee's main focus on F135 costs, the F136 team also received a significant boost from the panel for keeping its costs stable. Saying the F136 "has not experienced any cost growth since its inception," it notes the $411-million pre-EMD [equal to system development and demonstration, or SDD] contract cost remained steady, while the main $2.48-billion EMD deal signed in 2005 "has been stable since contract award." In a hard-hitting
summary, it adds that, "given the F135 development and procurement cost increases, the committee is perplexed by the department's decisions over the past three years to not include an F-35 competitive propulsion system program
in its budget requests."

However, Pratt proponents point out that cost and schedule are easier to maintain in a limited development effort such as the early pre-SDD phases of the F136, and cite indications of growing slippages in the alternate engine schedule. The F136 team acknowledged at the recent Paris air show that the date for the first flight-test engine has slid to early 2011 from 2010, but says this reflects schedule adjustments by Lockheed Martin rather than any engine development issues.

The F136 team does confirm, however, that funding shortages and shifting program schedules have forced it to reprioritize initial service release (ISR) targets. "We've moved it up for CTOL [conventional takeoff and landing] to March 2012, and Stovl [short takeoff and vertical landing] has gone out to the right to around March 2013," says the team. The change to the Stovl target reflects the fact that no F136-powered F-35s are earmarked for the earlier production Lot 4 batch around that time. "They didn't need it until 2013, and we didn't have the money anyway," it adds.

The GE-Rolls team also says budget shortfalls have forced it to push back the initial flight readiness (IFR) milestones for the CTOL engine by three months, and IFR for Stovl by four months. The F136 team first met for IFR reviews in May. The meetings coincided with the resumption of tests on F136 Engine 004 following modifications to the
bearing system.

Despite the hold-up, the F136 team insists that the schedule remains on track. Unlike the Pratt test schedule on the first SDD F135, which encompassed some 420 hr. of runs, it says the requirement for the GE-Rolls engine was smaller because the 700 hr. of runs during the pre-SDD phase included many aspects of the later configuration. Engine 004, the first SDD F136 to test, was never intended to exceed 100 hr. before the rebuild, it adds.

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Le JSF en STOVL dans la Royal Navy sur les nouveaux PA britaniques, mais avec des F 136 :

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L'

Alternate Engine Program
(AEP), soit le F 136 actuel, équipera combien de JSF export ?
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Message par LynxFleet le Jeu 23 Juil 2009, 20:49

Cette façon de défaire le contrat GE/RR est absolument UNFAIR et je souhaite que personne ne l'oublie.

J'espère que des clients export du JSF pourront s'intéresser au F 136.

1/2 NIH = NIH

Je souhaite aussi que des recours soient possibles.

Je n'ai pas de parti pris pour quoi que ce soit hormis l'équité.
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Message par Cougar9 le Mar 28 Juil 2009, 21:28

Sortie d'usine de la variante -C, navale du JSF

Sur Flight :

[Vous devez être inscrit et connecté pour voir ce lien] today unveiled the first naval variant for the [Vous devez être inscrit et connecté pour voir ce lien] (JSF) programme in a roll-out
ceremony at the final assembly plant in Fort Worth, Texas.

'"It's an honor and aprivilege and it is a great day", said Adm Gary Roughhead, the US chief of naval operations. The Navy plans to operate 260 F-35C carrier variants among the 2,443 aircraft in the current US programme.

"This airplane will top anything that comes it's way," Roughead added.

The first prototype model to roll off the production line -- CF-1 -- follows the debut of a conventional variant for the US Air Force in December 2006 and short-takeoff-vertical landing (STOVL) in June 2008.

The naval variant uses the same propuslion system as the air force fighter, but adds other modifications,
including an expanded wing and beefed-up landing gear.

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The aircraft will be the first tactical aircraft to enter naval service in the US for several decades that is powere by a single engine. The F-35C will also introduce the first carrier-based jet fighter featuring all-aspect stealth.

The first F-35C unit is scheduled to enter service in Fiscal 2015, although one Pentagon estimate projects a two-year delay.

The CF-1 prototype model is now expected to start flight tests in late December, reflecting a three-month schedule slip. It is projected to be the fourth F-35 prototype to enter flight test, following the non-production configuration AA-1, and the STOVL BF-1 and BF-2.

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Message par Paddy le Lun 03 Aoû 2009, 13:22

Bonjour à tous

Voici ce que j'ai trouvé sur Inside Indiana business; updated: 7/31/2009 8:33:25 AM :

Indianapolis, Ind. -- Rolls-Royce applauds the vote of the US House of Representatives today to continue support for the competitive engine program for the F-35 Joint Strike Fighter (JSF).
The House voted 400 to 30 to include $560 million in FY2010 funding to develop and produce the GE Rolls-Royce Fighter Engine Team’s F136 engine.

Today’s vote reaffirms the benefits of competition for the JSF engine program, the world’s largest ever fighter program, and avoids handing a $100 billion engine monopoly to a sole source provider without going through a competitive selection process.

The F136 engine, being developed in a joint venture between Rolls-Royce and GE, supports hundreds of jobs at the Rolls-Royce manufacturing facility in Indianapolis. Nationwide, F136 jobs at Rolls-Royce, GE and their suppliers total more than 2,500. Now roughly 70 percent complete, the first production F136 engines are scheduled to be delivered in 2012.

The GE Rolls-Royce F136 engine is on budget, and has been consistently on budget for years. Furthermore, the F136 engine’s solid history of executing its contract on schedule and within budget has led to consistent top program reviews from the Joint Program Office managing the F-35 program.

“The GE Rolls-Royce Fighter Engine Team should have the chance to demonstrate the benefits of competition,” said James M. Guyette, President & CEO, Rolls-Royce North America Inc. “This competition will benefit military customers in the US and around the world for decades to come.”

The first complete new-build F136 engine began testing earlier this year – a month ahead of schedule – under the System Development and Demonstration (SDD) contract with the US Government Joint Program Office for the F-35 Joint Strike Fighter program.

Today’s vote also maintains the House’s 14 year record of unwavering support for this program as well as recently enacted defense acquisition reform which encourages competitive contracts in US defense programs.

Source: Rolls-Royce

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Je suis en retard d'un metro, j'ai loupé quelquechose ?
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Message par Zitek le Sam 15 Aoû 2009, 14:40

Essai de ravitaillement "probe & drogue" réussi pour le F 35 STOVL

PRnewswire, 14 aout :

FORT WORTH, Texas A short takeoff/vertical landing (STOVL) variant of the Lockheed Martin F-35 Lightning II stealth fighter has become the first F-35 to complete an aerial refueling test using the Navy- and Marine Corps-style probe-and-drogue refueling system. Thursday's successful mission is the first in a short series of tests that will clear the STOVL F-35B variant for extended-range flights, particularly to its primary test site at Naval Air Station Patuxent River, Md.

"The F-35 program is on the cusp of a tremendous expansion in flight test as a large number of new aircraft enter the test fleet this year and early next year," said Dan Crowley, Lockheed Martin executive vice president and F-35 program general manager. "This milestone will help ensure that we fill the pipeline between Fort Worth and Pax River
with F-35s and maintain our flight-test tempo."

During Thursday's flight, the F-35B designated BF-2 (the second STOVL flight test aircraft), began a series of tests in which fuel is uploaded into the aircraft at 10,000, 15,000 and 20,000 feet, at speeds ranging from 200 to 250 knots. The pilot on the initial F-35B aerial refueling flight was U.S. Marine Corps Maj. Joseph T. "O.D." Bachmann.

The refueling mission also marked the first time a Lockheed Martin KC-130 tanker has been used to refuel an F-35. Previous refueling missions with the F-35A conventional takeoff and landing variant were accomplished with a KC-135 tanker. To date, the first F-35A has received approximately 110,000 pounds of fuel during aerial refuelings.

Probe-and-drogue refueling employs a flexible hose that trails from the tanker aircraft.The basketlike drogue at the end of the hose connects to the receiving aircraft's probe, which, in the case of the F-35, resides on the right side of the forward fuselage and retracts when not in use. The U.S. Navy, Marine Corps and the air forces of many other countries use the probe/drogue system, while the U.S. Air Force refuels its aircraft via a rigid flying boom that inserts into a receptacle on the receiving airplane.

The Lockheed Martin F-35 and F-22 are the world's only 5th generation fighters, uniquely characterized by a combination of advanced stealth with supersonic speed and high agility, sensor fusion, network-enabled capabilities and advanced sustainment. The three F-35 variants are derived from a common design, are being developed together
and will use the same sustainment infrastructure worldwide, bringing economies of commonality and scale.

Lockheed Martin is developing the F-35 with its principal industrial partners, Northrop Grumman and BAE Systems. Two separate, interchangeable F-35 engines are under development: the Pratt & Whitney F135 and the GE Rolls-Royce Fighter Engine Team F136.

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Message par Admin le Sam 15 Aoû 2009, 17:46

Bonjour à tous

Merci Zitek

Voici un extrait du communiqué de Lockheed Martin que nous avons reçus et qui est en permanence disponible sur le site lockheedmartin.com


During Thursday's flight, the F-35B designated BF-2 (the second STOVL flight test aircraft), began a series of tests in which fuel is uploaded into the aircraft at 10,000, 15,000 and 20,000 feet, at speeds ranging from 200 to 250 knots. The pilot on the initial F-35B aerial refueling flight was U.S. Marine Corps Maj. Joseph T. "O.D." Bachmann.

The refueling mission also marked the first time a Lockheed Martin KC-130J tanker has been used to refuel an F-35.

Since deployment to Iraq in 2005 the KC-130J has offloaded more than 186 million pounds of fuel during combat operations. Previous refueling missions with the F-35A conventional takeoff and landing variant were accomplished with a KC-135 tanker. To date, the first F-35A has received approximately 110,000 pounds of fuel during aerial refuelings.

Probe-and-drogue refueling employs a flexible hose that trails from the tanker aircraft.
The basketlike drogue at the end of the hose connects to the receiving aircraft’s probe, which, in the case of the F-35, resides on the right side of the forward fuselage and retracts when not in use.
The U.S. Navy, Marine Corps and the air forces of many other countries use the probe/drogue system, while the U.S. Air Force refuels its aircraft via a rigid flying boom that inserts into a receptacle on the receiving airplane.

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Le ravitaillement en vol s'est donc effectué avec un KC 130J :

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Crédit Lockheed Martin.
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Message par VictorK le Mer 02 Sep 2009, 08:40

Le Secrétaire d'Etat américain a fait une visite chez LM dans la FAL du F-35.
Il a bien voulu s'adresser aux techniciens sur place. Promotionnel, question d'image, tous les autres problèmes : motorisations, dépassements de coût, retards...

Belle présentation, avec surlignage des "gouvernements" alliés et non pas pays ( qui ne signifie pas ami ) ou partenaire.

Un voyage politique qui n'atténuera pas quelques dépits réels

FORT WORTH, Texas, Aug. 31 /PRNewswire/ --
United States Secretary of Defense Robert Gates visited Lockheed Martin's final assembly operation for the F-35 Lightning II stealth fighter today, conveying optimism for the program's future and emphasizing the F-35's importance to global security.

"We cannot afford as a nation not to have this airplane," Gates said at a news conference following a tour of the factory where the F-35 is assembled. "I was very impressed by what I saw this morning - by the investments that have been made in the production line, the robotics and automation. I'm heartened by what I've seen . . . but especially by the commitment of the people involved in putting this airplane together."

Gates walked along portions of the mile-long factory floor, where he stopped to converse with F-35 workers, and saw all three variants of the aircraft in various stages of assembly.

Robert J. Stevens, chairman, president and CEO of Lockheed Martin Corp., said it was a "great honor" to host Secretary Gates.

"The purpose of the Secretary's visit was to make very clear to us his expectations and our need to perform to our plans. That means producing a superior technological product and making sure that we maintain our schedule, enable the government to start training pilots in 2011, and fully equipping the Marine Corps for initial operational capability in 2012. It also means we'll support our allied governments' interests in the program while maintaining affordability," Stevens said. "So, there's a full array of things that we have to do, but we have great confidence in the team that we've put together here."

The visit was Gates' first to Lockheed Martin's Fort Worth plant, which also has served as the final assembly point for the B-24 Liberator, B-36 Peacemaker, B-58 Hustler, F-111 Aardvark and F-16 Fighting Falcon.

The Lockheed Martin F-35 is a 5th generation fighter, uniquely characterized by a combination of advanced stealth with supersonic speed and high agility, sensor fusion, network-enabled capabilities and advanced sustainment. The three F-35 variants are derived from a common design, are being developed together and will use the same sustainment infrastructure worldwide, bringing economies of commonality and scale.

The United States and eight international partners are planning to buy more than 3,000 F-35 aircraft.

Headquartered in Bethesda, Md., Lockheed Martin is a global security company that employs about 140,000 people
worldwide and is principally engaged in the research, design, development, manufacture, integration and sustainment of advanced technology systems, products and services. The corporation reported 2008 sales of $42.7 billion.

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Message par Thipail le Jeu 10 Sep 2009, 22:42

Le Senate Appropriation Committe rejete la deuxième motorisation du F 35.

Politique et marionettes :

The Council for Citizens Against Government Waste (CCAGW) today celebrated a significant victory for taxpayers;
the Senate Appropriations Committee has rejected funding for the alternate engine for the Joint Strike Fighter.

According to a September 9 article in The Hill, Committee Chairman Inouye (D-Hawaii) did not include any money for the engine because he was concerned that it could jeopardize the entire fiscal year 2010 Department of Defense Appropriations Act.
This contradicts with his position just two weeks earlier. In an August 23 Congressional Quarterly article, Chairman Inouye was quoted as telling CQ that 'it makes good sense' to include funds for the alternate engine in the appropriations bill.

'While this is not the end of the road for the alternate engine, it is a clear message to supporters of the alternate engine that they simply do not have the votes in the Senate to continue this wasteful and unnecessary project,' said CCAGW President Tom Schatz.

An amendment supported by CCAGW to eliminate $439 million in funds for the alternate engine in the Department of Defense Authorization Act for fiscal year 2010 was approved in the Senate by a vote of 58-40 on August 14.

However, the House has included $603 million in earmarked funds for the alternate engine in its version of the defense authorization bill, and $560 million in earmarked funds for the program in its version of the defense appropriations bill.

The next step on the road to eliminate the alternate engine will be the conference committee on the authorization bill.

To persuade House conferees to recede to the Senate position, Rep. Rosa DeLauro (D-Conn.) has asked her colleagues to co-sign a letter to House Armed Services Committee Chairman Ike Skelton (D-Mo.) and Ranking Member Buck McKeon (R-Calif.). CCAGW wrote a [Vous devez être inscrit et connecté pour voir ce lien] today to all representatives urging them to add their names to Rep. DeLauro's letter.

President Obama has threatened to veto any defense bill that includes money for the alternate engine.
Defense Secretary Gates opposes the alternate engine, as do other top Pentagon officials.
In a telling and concise statement, Chief of Naval Operations Admiral Gary Roughead told CQ Politics on June 30 that there is no room for two engines on an aircraft carrier because 'space is at a premium,' and he added that 'you can put me squarely in the one engine camp.'

'The effort to cut funding for the alternate engine is at a critical phase,' added Schatz. 'Congress has eliminated funds for additional F-22 fighters, which was a significant victory for taxpayers, and now it is time to ground another wasteful project. Americans should let their elected officials know they want their national defense dollars to be spent effectively and efficiently, and that the Senate is right to reject funds for the alternate engine.'

CCAGW is the lobbying arm of Citizens Against Government Waste, the nation's largest nonpartisan, nonprofit organization dedicated to eliminating waste, fraud, abuse, and mismanagement in government.

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Message par Fowl le Ven 11 Sep 2009, 14:16

Le F-35 version STOVL, F 35B, motorisation P&W a repris ses vols après des mois d'immobilisation.

Des fissures dans le moteur, source unique, ont immobilisé l'avion depuis fin septembre...2008

Sur Flight :

A key test article for the [Vous devez être inscrit et connecté pour voir ce lien] programme has returned to flight after a nearly year-long hiatus.

The BF-1 flight-test aircraft, which will demonstrate the F-35B's short take-off and vertical landing (STOVL) capability, completed a 1h flight on 4 September at Fort Worth, Texas, Lockheed says.

The return-to-flight event for BF-1 had been expected for several months since the aircraft was grounded after 22 September 2008.

Lockheed installed a redesigned turbine blade after the original Pratt & Whitney design revealed concerns about early fatigue cracking.
Plans to resume flight-testing by December 2008 were delayed to June, and finally to early September. Lockheed blamed the latest delays on a series of frustrating technical issues.


BF-1 is one of two aircraft that is scheduled to ferry to NAS Patuxent River, Maryland, by the end of the month.
The goal is to complete a series of flight tests leading to the first vertical landing in October, a major milestone in the
early phases of the STOVL aircraft's flight test programme.

However, BF-1 still has to complete another 11 flight tests at Fort Worth before it can be transferred to Patuxent River, Lockheed says.

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