Ozair
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Re: F-35 news thread

Mon Jul 01, 2019 9:07 am

Singapore is still committed to the F-35.

Ng Eng Hen confident that technical glitches in F-35 fighter jet ‘will be solved’ before delivery to Singapore

Glitches in the F-35 will be fixed before the stealth fighter jet is delivered to Singapore, Defence Minister Ng Eng Hen said on Friday (Jun 28).

Singapore announced in January that it had identified the F-35 as the replacement for its ageing F-16s. In March, Dr Ng revealed that it would first buy four of the jets for complete testing, with the option of another eight.

Singapore has also put in a Letter of Request to the US government to purchase the F-35s, Dr Ng added, kick-starting the process for US foreign military sales.

But Defense News reported in June that the F-35 continues to be marred by technical glitches that, if left unfixed, could risk pilot safety and the jet’s ability to accomplish its mission.

...


Read more at https://www.channelnewsasia.com/news/si ... d-11675070
 
Ozair
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Re: F-35 news thread

Tue Jul 02, 2019 3:22 pm

Must be frustrating that P&W cannot deliver the engines on time. They have had enough notice of increasing production that this shouldn't be an issue today but the contract management agency isn't confident Pratt will be able to deliver. Perhaps this is the prime reason the F136 should have continued.

United Technologies’ F-35 Engines Chronically Late, Pentagon Says

United Technologies Corp.’s Pratt & Whitney unit is chronically late delivering engines for the Pentagon’s costliest program, the F-35, raising questions about whether the company is ready for a surge to full-rate production scheduled for next year.

Pratt remains under a previously unreported “Corrective Action Request” from the Defense Contract Management Agency that cites “poor delivery performance” on its current batch of engines for the fighter jet, including for the most complicated version used by the Marine Corps and the U.K. for vertical takeoffs and landings.

...

https://www.bloomberg.com/news/articles ... tagon-says
 
Ozair
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Re: F-35 news thread

Tue Jul 02, 2019 3:26 pm

A good find to improve both efficiency and safety while hot turning the jets. Hot turning really helps to generate the number of sorties required for training and proficiency.

Gunfighters use 1950s tech on F-35 for a huge win

‘Things aren’t made the way they used to be’ is a sentiment often tossed around when a new car or appliance breaks down. Even with all the new inventions and integrated technology there’s something to be said about the simplicity of an original design. Mountain Home Air Force Base members are learning this lesson firsthand.

Airmen from the 366th Logistics Readiness Squadron, also known as Gunfighters, are the first in the Air Force to perform hot-pit refueling on F-35 Lightning II’s with a Type 1 hydrant system from the 1950s and hose cart from the 1970s.

A hot-pit is when a plane lands, refuels then takes off again without turning off the engine, explains Senior Airman Christian Cook, 366th LRS fuels operator. The typical refueling procedure consists of landing, turning off the engine and a laundry list of to-do’s.

...

https://www.edwards.af.mil/News/Article ... -huge-win/
 
Ozair
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Re: F-35 news thread

Tue Jul 02, 2019 3:30 pm

An interesting insight into how Israel may be using the F-35.

Lockheed Martin chief: F-35 critical against Hezbollah rockets

Lockheed Martin chairman, president, and CEO Marillyn Hewson heaped praise yesterday on the F-35 stealth combat aircraft that the Israel Air Force (IAF) is in the process of commissioning. Speaking at the Herzliya Conference, Hewson said, "The F-35 is particularly critical to countering Hezbollah’s vast rocket threat through rapid identification and prioritization of targets for the IAF." Hewson cited the aircraft's ability to penetrate enemy airspace without detection and destroy ground-to-air threats, allowing other F-35s to follow up carrying large weapons payloads.

...

https://en.globes.co.il/en/article-lock ... 1001291834
 
Ozair
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Re: F-35 news thread

Tue Jul 02, 2019 3:43 pm

An interesting follow up to the story last year about whether the F-35 had overflown Iranian airspace. Perhaps more truth than we thought to the story.

IRIAF Commander reportedly fired after he kept secret that Israeli F-35 stealth fighters had violated Iran Airspace

Islamic Republic of Iran Air Force (IRIAF) commander Brigadier General Farzad Ismaili, who had been in office since 2010, has been fired by Iran’s Supreme Leader Ayatollah Ali Khamenei after he kept secret that Israeli Air Force (IAF) F-35 stealth fighters had violated Iran’s airspace, the Kuwaiti daily Al Jarida reported on Saturday.

The newspaper emphasized that it was the original media source that exposed the Israeli raids, which had taken place in March 2018. Al Jarida cited senior Iranian military who said that only following its March report did the intelligence services of the Revolutionary Guards and the Iranian intelligence ministry begin to investigate the case, under Khamenei’s direct orders.

...

https://theaviationgeekclub.com/iriaf-c ... -airspace/
 
JayinKitsap
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Re: F-35 news thread

Wed Jul 03, 2019 4:42 pm

This could be a reason the F-`15EX is being bought. If the F135 engine is seriously late for prior year production can they up their deliveries, probably not.

Ozair wrote:
Must be frustrating that P&W cannot deliver the engines on time. They have had enough notice of increasing production that this shouldn't be an issue today but the contract management agency isn't confident Pratt will be able to deliver. Perhaps this is the prime reason the F136 should have continued.

United Technologies’ F-35 Engines Chronically Late, Pentagon Says

United Technologies Corp.’s Pratt & Whitney unit is chronically late delivering engines for the Pentagon’s costliest program, the F-35, raising questions about whether the company is ready for a surge to full-rate production scheduled for next year.

Pratt remains under a previously unreported “Corrective Action Request” from the Defense Contract Management Agency that cites “poor delivery performance” on its current batch of engines for the fighter jet, including for the most complicated version used by the Marine Corps and the U.K. for vertical takeoffs and landings.

...

https://www.bloomberg.com/news/articles ... tagon-says
 
Ozair
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Re: F-35 news thread

Wed Jul 03, 2019 6:52 pm

JayinKitsap wrote:
This could be a reason the F-`15EX is being bought. If the F135 engine is seriously late for prior year production can they up their deliveries, probably not.

Ozair wrote:
Must be frustrating that P&W cannot deliver the engines on time. They have had enough notice of increasing production that this shouldn't be an issue today but the contract management agency isn't confident Pratt will be able to deliver. Perhaps this is the prime reason the F136 should have continued.

United Technologies’ F-35 Engines Chronically Late, Pentagon Says

United Technologies Corp.’s Pratt & Whitney unit is chronically late delivering engines for the Pentagon’s costliest program, the F-35, raising questions about whether the company is ready for a surge to full-rate production scheduled for next year.

Pratt remains under a previously unreported “Corrective Action Request” from the Defense Contract Management Agency that cites “poor delivery performance” on its current batch of engines for the fighter jet, including for the most complicated version used by the Marine Corps and the U.K. for vertical takeoffs and landings.

...

https://www.bloomberg.com/news/articles ... tagon-says

Possible but the F-15x acquisition is more likely about near time capability, availability and cost of conversion etc than a specific supplier issue.

I expect Pratt will overcome the issues and they need to as prpduction increases to 130+ next year.
 
estorilm
Posts: 629
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Re: F-35 news thread

Fri Jul 05, 2019 3:05 pm

JayinKitsap wrote:
This could be a reason the F-`15EX is being bought. If the F135 engine is seriously late for prior year production can they up their deliveries, probably not.

Ozair wrote:
Must be frustrating that P&W cannot deliver the engines on time. They have had enough notice of increasing production that this shouldn't be an issue today but the contract management agency isn't confident Pratt will be able to deliver. Perhaps this is the prime reason the F136 should have continued.

United Technologies’ F-35 Engines Chronically Late, Pentagon Says

United Technologies Corp.’s Pratt & Whitney unit is chronically late delivering engines for the Pentagon’s costliest program, the F-35, raising questions about whether the company is ready for a surge to full-rate production scheduled for next year.

Pratt remains under a previously unreported “Corrective Action Request” from the Defense Contract Management Agency that cites “poor delivery performance” on its current batch of engines for the fighter jet, including for the most complicated version used by the Marine Corps and the U.K. for vertical takeoffs and landings.

...

https://www.bloomberg.com/news/articles ... tagon-says

I doubt it played any role at all - in the time it takes the first F-15X to be designed, built, tested, and operational (3 years? 5?) how many additional F-35s will we have? By that date, I'm positive P&W can achieve whatever output they'd like, and we'll still be building additional F-35's faster than however many F-15X's will be rolling off the line. :(
 
Ozair
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Re: F-35 news thread

Tue Jul 09, 2019 9:59 pm

Interesting image of an F-35C just at the point it reaches supersonic speed.

Check Out This Photo Of An F-35C Flying Transonic With Visible Schlieren Shock Waves

The photograph in this post shows a U.S. Navy Lockheed Martin F-35C Lightning II of Air Test and Evaluation Squadron 23 (VX-23) “Salty Dogs” during a test flight. Released by the Naval Air Warfare Center Aircraft Division, the image was taken as the stealth aircraft, carrying external AIM-9X Sidewinder AAMs (Air-to-Air Missiles), flies transonic: indeed, what makes the shot particularly interesting are the schlieren shock waves that flight test photographers captured as the JSF transitioned from sub-sonic to supersonic.

Schlieren imagery is a modern version of a 150-year-old German photography technique, used to visualize supersonic flow phenomena: a clear understanding of the location and strength of shock waves is essential for determining aerodynamic performance of aircraft flying at supersonic speed in different configurations, for improving performance as well as designing future jets.

“Schlieren imaging reveals shock waves due to air density gradient and the accompanying change in refractive index,” says the NASA website that published an extensive article about this particular kind of photography few years ago. “This typically requires the use of fairly complex optics and a bright light source, and until recently most of the available schlieren imagery of airplanes was obtained from scale model testing in wind tunnels. Acquiring schlieren images of an aircraft in flight is much more challenging. Ground-based systems, using the sun as a light source, have produced good results but because of the distances involved did not have the desired spatial resolution to resolve small-scale shock structures near the aircraft.”

...

https://theaviationist.com/2019/07/09/c ... ock-waves/

Image
 
Ozair
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Re: F-35 news thread

Wed Jul 10, 2019 12:38 pm

Some really interesting info in the below article, I recommend reading it directly. The interoperability between the partners is impressive and using F-35 takes it to a higher level than previous aircraft.

Three Nations Take Part In International F-35 Operations Over Southern Italy

On Jul. 2, 2019, Amendola Air Base, in southeastern Italy, home of the 13° Gruppo (Squadron) of the 32° Stormo (Wing), the first Italian Air Force unit equipped with the F-35 Lightning II stealth aircraft since 2016, hosted what has been unofficially dubbed an international F-35 training day, that saw the involvement of both the 617 Sqn “Dambusters” of the Royal Air Force, flying the F-35B STOVL (Short Take Off Vertical Landing) variant of the Joint Strike Fighter; and the 421st FS (Fighter Squadron) of the U.S. Air Force, the newest fighter squadron in the Air Force to stand up the F-35A about 6 months ago.

...

“This is also an example of the flexibility of the F-35 program: foreign nations aircraft can deploy here at Amendola and get the operational and logistical support they need to operate. The infrastructures were born with this embedded ability to support partner air forces F-35s. This is also the first time we cooperate with the F-35B,” Marzinotto commented.

...

Today we carried out a tactical mission that would have been impossible to fly with any previous generation aircraft that easily and that quickly,” said Maj. Maurizio De Guida, commander of the 13° Gruppo. “We were on the same MADL chain and I realized only after landing that I had flown a mission alongside an F-35B when I’ve seen their test of the flight controls that is different from ours. While airborne we were flying the same aircraft, in a complex mission with an amazing ease”.

...

https://theaviationist.com/2019/07/04/t ... ern-italy/

Image

I don't really like the angle of this shot, gives the F-35 a very squat nose.
Image
 
Ozair
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Re: F-35 news thread

Thu Jul 11, 2019 9:30 pm

North Korea are apparently terrified of the "invisible lethal weapon"...

North Korea calls South Korea's F-35 jet purchases 'extremely dangerous action'

South Korea’s acquisition of American F-35 stealth fighter jets will force North Korea to develop and test “special armaments” to destroy the new weapons, North Korea’s state media said on Thursday, citing a government researcher.

South Korean authorities are “impudent and pitiful” for “talking loudly about reconciliation and cooperation between the north and the south” while buying more weapons from the United States, an unnamed policy research director at the Institute for American Studies of North Korea’s Ministry of Foreign Affairs said in a statement carried by state news agency KCNA.

“There is no room for doubt that the delivery of ‘F-35A’, which is also called an ‘invisible lethal weapon’, is aimed at securing military supremacy over the neighboring countries in the region and especially opening a ‘gate’ to invading the north in time of emergency on the Korean peninsula,” the statement said.

“We, on our part, have no other choice but to develop and test the special armaments to completely destroy the lethal weapons reinforced in south Korea.”

...

https://www.reuters.com/article/us-nort ... SKCN1U60BJ
 
Ozair
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Re: F-35 news thread

Fri Jul 12, 2019 1:27 am

The F-35 portions of the the below article by Ash Carter on his time with the US DoD.

How We Tamed the F-35’s Spiraling Costs — and Created a Model for Controlling Waste

...

The poster child for poor program management in recent Pentagon history was the F-35 joint strike fighter (JSF). In 2009, when I became the “acquisition czar,” development of the plane was taking twice as long, and costing twice as much, as it was supposed to. The entire effort – and thus America’s air superiority for decades to come – was in jeopardy.

Righting the jet fighter began with a frank conversation. I called the contractor into my office to discuss the program on a Saturday morning – a clear signal of my annoyance. Seeing his nonchalance about cost and schedule overruns, I walked out of the meeting. I quickly fired the Pentagon program manager and revoked $416 million of the contractor’s fee. I then removed the more complex Marine Corps version of JSF from the critical path so the easier Air Force and Navy versions could go forward.

But the critical step was not to confront but to align the Pentagon’s incentives with those of industry to control costs in production. Nearly 2,500 of these planes were to be built for the U.S. military and more than 1,000 for allies, so costs had to be controlled. To do that, we developed a contract in which the company could keep half of every million dollars saved under the agreed target cost; the other half was returned to the Treasury. On the other hand, for every $1 million over cost, the contractor was responsible for half – and the full amount for any overrun exceeding 20 percent.

This structure got taxpayers and contractors working toward the same purposes. The result? JSF production costs at last began to level off and then decrease. Our military got game-changing technology and our economy got critical exports. The JSF may well be the last manned fighter jet ever built. But it will dominate the U.S. arsenal and the global marketplace for several decades.

...

https://www.defenseone.com/ideas/2019/0 ... te/158344/

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