EMALS & JPALS for the JSF

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madrat

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Unread post08 Oct 2020, 13:28

22JUL2020 to 24OCT2020 was a net gross of 1,000. That's an escalation of the testing AFAICT. Eventually they want to hit 160 day, so it's a step towards that goal. Nobody else can claim these accomplishments at the moment and I don't expect them to get matched anytime soon.
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Unread post08 Oct 2020, 20:20

madrat wrote:22JUL2020 to 24OCT2020 was a net gross of 1,000. That's an escalation of the testing AFAICT. Eventually they want to hit 160 day, so it's a step towards that goal. Nobody else can claim these accomplishments at the moment and I don't expect them to get matched anytime soon.

What were the number of flight ops days in that lot? Don't you think when the FORD reaches 160 cats/traps per day they will let us know? You may find this earlier post on previous page in this thread interesting?
viewtopic.php?f=22&t=14115&p=440140&hilit=combined#p440140
"...Geurts said the crew earlier this week set a record for how many planes it caught with the Advanced Arresting Gear (AAG) and launched with the Electromagnetic Aircraft Launch System (EMALS) – 167 combined catapults and trap landings in one day, compared to a previous record of 135 during another recent at-sea day...." https://news.usni.org/2020/05/20/uss-fo ... ock-trials
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Unread post22 Nov 2020, 01:43

EMALS Launch & AAG Arrest Super Hornet USS Ford 17 Nov 2020 SLDinfo

https://www.youtube.com/watch?v=6I6xzRcDGTM

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Unread post23 Nov 2020, 19:25

As Supercarrier Ford Launches Largest-Ever Flight Ops, Leaders Try Out New Ways to Fight
19 Nov 2020 Hope Hodge Seck

"OFF THE COAST OF NORFOLK, Virginia -- Even for those familiar with the impressive acreage of a Nimitz-class carrier flight deck, the vastness of the Gerald R. Ford's flattop is eye-watering. While the Navy's newest class of supercarrier has the same overall footprint as the predecessor class, its use of space is different: The Ford's "island," which houses its command center, is set 140 feet further aft and has been slightly redesigned. It creates a more substantial stretch of aircraft flight line at the fore, with five usable acres compared with the Nimitz's four and a half....

...During a 12-plane Super Hornet launch and recovery period that Military.com observed, the ship's digitally controlled Advanced Arresting Gear, replacing the legacy hydraulic aircraft recovery system, operated without a hitch, with all landing aircraft catching the first or second of the system's three wires. Several aircraft were waved off as crew raced to reset the deck from a previous landing; in one case, crew members ran to free a jet that hadn't properly unhooked itself from a loop of the massive recovery cable.

Similarly, the Electromagnetic Aircraft Launch System, or EMALS, which replaces the older steam-based catapult system, got planes airborne without a noticeable hitch. As recently as this summer, the system was working out bugs; on June 2, the crew of the Ford discovered an issue with the EMALS power handling system requiring a workaround, USNI News reported....

...Cummings emphasized that operating the software for the Advanced Arresting Gear in particular requires substantial on-the-job training, and sailors are still building their familiarity with it and learning how to troubleshoot issues. "The learning curve is just how to better understand the system technically, and as we get smarter about how certain [issues], and how we can clear them and get back to work. So that's the learning curves, basically work in the software," he said.

Officials said they find the speed of operations is most often limited by human elements, as the flight deck crew adapts to the rhythm of launch and recovery. The ship's current objective is to recover an aircraft every 55 seconds; already, during PDT&T, the crew has been able to get four jets airborne, from four different catapults, in the space of one minute, 47 seconds.

"We're rapidly hitting the point where the limitation on EMALS is how fast the flight deck crew can taxi aircraft in the shuttle, get us hooked up, run through our pre-launch checks, and then get the aircraft airborne," Rear Adm. Craig Clapperton, commanding officer of Carrier Strike Group 12, told reporters aboard the Ford. "What we have seen since we first came out here in March to where we are now in November, it's night and day from where we were, and it's trending in a great direction."

In January, the Ford had completed 747 aircraft launches since it was delivered to the Navy in May 2017; it now has nearly 6,000.... Before the ship ever conducts an operational deployment, it must be modified to accommodate the F-35C Joint Strike Fighter, which won't happen until 2024 or 2025. And the ship's advanced weapons elevators are still only partially operational. During the underway, contractors with Newport News Shipbuilding worked to get the seventh of 11 up and running...."

Source: https://www.military.com/daily-news/202 ... fight.html
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XanderCrews

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Unread post23 Nov 2020, 20:54

spazsinbad wrote:
In January, the Ford had completed 747 aircraft launches


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spazsinbad

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Unread post23 Nov 2020, 22:37

8) Yeah BUTT can it land? Lots of FlightSim Videos on the interrabble show this in great crashing detail. Needs a HOOK!
:doh: :shock: :devil: Mebbe with an AARGH it can do the ARREST: only an Ozzie ANSETT can do it without a hook ffsake. :doh: :mrgreen: :roll:

747 Aircraft Carrier Landing Flight Simulator https://www.youtube.com/watch?v=Ak-GPZ24oI8

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Unread post25 Nov 2020, 14:20

LoL, hilarious! :lol: :lol: :lol:
“Active stealth” is what the ignorant nay sayers call ECM and pretend like it’s new.
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Unread post25 Nov 2020, 19:32

Aboard USS Ford: More Weapons, More Launches, Faster & Safer
25 Nov 2020 Robbin Laird

"SOMEWHERE OFF THE EAST COAST: When our aging C-2 Greyhound aircraft took off from the USS Gerald R. Ford the experience was clearly different. Propelled by the electro-magnetic system that has replaced steam catapults it was much smoother and much quicker. The new launch and landing systems provide key tools for a significant reshaping of the operational tempo for the large deck carrier.

The new launch system allows for a wider range of aircraft to operate from the carrier; the new arresting gear system can recover them. The ability to mix and match the current air fleet and the future one is significantly enhanced with EMALS, which will allow everything from F-35s to the fleet’s future unmanned aircraft to take off and land aboard the new class of carriers.

The same flexibility exists in the Advanced Arresting Gear with larger current operating wind and weight envelopes and the ability to recover future aircraft designs with minimal modifications required.

The speed of launch and recovery was on full display during our Nov. 17 visit. Currently, the Ford has two-third of its air wings on board, with two air wings and four squadrons operating from the deck. The carrier is at sea currently working what the US Navy calls cyclic operations, where strike packages are launched in clusters and then operate in the combat space to provide for the various missions done by the Navy at sea. Normally, at this stage in the certification of a new carrier, cyclic operations would not be performed.... [then lots about other changes such as weapon elevators etc.]

Source: https://breakingdefense.com/2020/11/abo ... ter-safer/
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Unread post11 Dec 2020, 19:56

A very experienced pilot comment about being catapulted via EMALS in this otherwise less relevant article about him.
How a pilot who's landed on 6 different classes of aircraft carrier prepared to land on the Navy's newest flattop
12 Dec 2020 Courtney Mabeus

"...Ford was built to be adaptable as new technologies emerge. The noticeable absence of steam on the flight deck wasn't "a big deal," Norman said. "It's almost like a when you first heard an electric car pull up to a stop and then take off and you didn't hear any motor," Norman said. "You're like, 'what is that?' It was a very different experience."

Gone is the "big slam" and initial jolt of acceleration from the steam catapults, Norman said.

"Electronically, it's different," he said. "It's probably a smoother acceleration but when you're used to steam, it feels like the acceleration is really strong in the end. Right before you go over the edge of the ship, it feels like a kick in the pants. It feels stronger because it's so much stronger in the end."..."

Source: http://www.msn.com/en-au/news/world/how ... r-BB1bQqSf
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Unread post10 Jan 2021, 07:38

Tony is known to be overly pessimistic with the leaked reports so I want to see the ACTUAL REPORT - but hey not so good.
Navy’s Priciest Carrier Ever Struggles to Get Jets On, Off Deck
09 Jan 2021 Anthony Capaccio

" - Pentagon tester cites ‘poor or unknown reliability’ of systems
- - Aircraft takeoff and landing systems break down frequently

Aircraft takeoff and landing systems on the USS Gerald R. Ford remain unreliable and break down too often more than three years after the $13.2 billion carrier was delivered, according to the Pentagon’s top tester. The latest assessment of the costliest warship ever built “remains consistent” with previous years, director of testing Robert Behler said in his new summary of the program obtained by Bloomberg News before its release in an annual report. “Poor or unknown reliability of new technology systems critical for flight operations,” including its $3.5 billion electromagnetic launch system and advanced arresting gear, could “adversely affect” the carrier’s ability to generate sorties, he said....

...Failure Rate
Behler’s assessment covered 3,975 launches and landing operations on the Ford during 11 at-sea, post-delivery trials from November 2019 through September 2020. The electromagnetic-powered catapult system is supposed to operate 4,166 “cycles,” or launches, between operational mission failures. Instead, it went 181 cycles between failures, or “well below the requirement,” Behler wrote. He didn’t detail the scope or severity of the problems.

Two separate failures last year caused the catapults to go down for three days, Behler wrote. The Navy acknowledged one in June. The system’s reliability concerns “are exacerbated” by a design that precludes some maintenance during flight operations, according to Behler.

The latest performance of the Ford’s new “Advanced Arresting Gear” to stop planes on landing, a system projected to cost almost $1 billion, also raised “reliability concerns,” Behler wrote. It’s supposed to operate landings, or recoveries, between operational mission failures. Instead, it averaged only 48 recoveries, also “well below the requirement,” Behler wrote.

A capacitor also failed during maintenance trouble-shooting in port that took the crew seven days to fix. “The reliability concerns are magnified” by the current design that limits “corrective maintenance on below-deck equipment during flight operations, “ Behler wrote.

Asked to comment on the reliability data, Alan Baribeau, a spokesman for the Naval Sea Systems Command, referred questions to Captain Danny Hernandez, a spokesman for the Navy’s acquisition chief. Hernandez said in a emailed statement that “I’m not going to comment on a draft unpublished report.” ...

Source: https://www.bloomberg.com/news/articles ... n-off-deck
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Unread post15 Jan 2021, 07:51

DOT&E CVN78 six page PDF (one page blank) report 2020): https://www.dote.osd.mil/Portals/97/pub ... 0cvn78.pdf
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Unread post15 Jan 2021, 15:20

Salute!

Thanx, Spaz.

I wonder if the design team had done a large magnetic accelerator that involved big objects. The rail gun stuff does not accelerate 50,000 friggin pounds or more. The nuke scientists accelerate tiny things that can dance on a pin. But moving a large, heavy object is a first for the mag launch folks.

I was one that thot the magnetic launch would be better than steam for the nuke carriers. Those suckers have electricity to spare. Also seemed easier to adjust different weights.

Oh well, we live and learn and press on.

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