Aircraft Carriers III

gelgoog

Brigadier
Registered Member
How come the Hornet can launch without a lift fan and that Lightning II has the lift fan on?
I mean, I could understand using the lift fan on a vertical landing or takeoff but.
 

Brumby

Major
How come the Hornet can launch without a lift fan and that Lightning II has the lift fan on?
I mean, I could understand using the lift fan on a vertical landing or takeoff but.
During any aircraft launch, ramp end speed is crucial (for STOBAR and STOVL), the speed at which the aircraft leaves the deck. A CATOBAR aircraft (e.g. F/A-18) relies on the power of the catapult to achieve the required speed to generate wing lift. A STOVL aircraft (Harrier or F-35B) leaves the end of the ramp at a speed below which wing borne flight is possible, but uses vectored engine thrust through its centre of gravity to support the aircraft while it accelerates to wing borne flight speed.
 

bd popeye

The Last Jedi
VIP Professional
happens, posted "your" Yesterday at 8:05 PM

already Sunday at 12:43 PM

which of course is not a problem; the problem, as I see it, is people don't say anything on the board anymore

A few years ago there was a military website known as militaryphotos.net. They folded up on 1 May 2015. There were members on that board that always pointed out re-post of photos. Over here not so. I post so many photos I can't remember them all..especially the ones from flickr....so life goes on.
 

bd popeye

The Last Jedi
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, on Flickr

INDIAN OCEAN (Feb. 4, 2019) An MH-60S Sea Hawk, assigned to Helicopter Sea Combat Squadron (HSC) 14, lands on the flight deck of the aircraft carrier USS John C. Stennis (CVN 74). The John C. Stennis is deployed to the U.S. 7th Fleet area of operations in support of security and stability in the Indo-Pacific region. (U.S. Navy photo by Mass Communication Specialist 3rd Class Grant G. Grady)

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INDIAN OCEAN (Feb. 1, 2019) An F/A-18E Super Hornet, assigned to Strike Fighter Squadron (VFA) 14, launches from the flight deck of the aircraft carrier USS John C. Stennis (CVN 74). (U.S. Navy photo by Mass Communication Specialist 3rd Class Grant G. Grady)

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EAST CHINA SEA (Feb. 4, 2019) A CH-53E Super Stallion heavy-lift helicopter, assigned to the "Flying Tigers" of Marine Medium Tiltrotor Squadron (VMM) 262 (Reinforced), prepares to land on the flight deck of the amphibious assault ship USS Wasp (LHD 1) during flight operations. Wasp, flagship of the Wasp Amphibious Ready Group, with embarked 31st Marine Expeditionary Unit, is operating in the Indo-Pacific region to enhance interoperability with partners and serve as a ready-response force for any type of contingency. (U.S. Navy photo by Mass Communication Specialist 2nd Class Sarah Myers)

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kwaigonegin

Colonel
So very, very true! Some years ago COM 7th Fleet came out with a regulation that sailors can no longer cavort with the "ladies of the evening"....anywhere.

In Thailand some of them are not female. Enywho recently a Submarine CO was busted last year for...well read the details;

""A
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submarine commander was disciplined and demoted last summer after admitting to paying for female prostitutes while stationed in the Philippines.

Capt. Travis Zettel lost the confidence to command the attack submarine USS Bremerton and was relieved of duty back in August following the investigation.

The investigation by the U.S. Naval Criminal Investigative Service (NCIS) was launched following a sailor’s tip to the Department of Defense Inspector General’s hotline, saying Zettel told him he “requested/ordered ten girls to arrive at the hotel,” according to documents obtained by the
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.


The sailor later saw the commander with around 10 “provocatively dressed females outside the front door of the hotel.”

Another sailor also apparently enjoyed the company of women and was seen with three “local females holding onto his arm as he was wandering around” and greeting his fellow sailors.""

Translation..someone who did not like him ratted him out.

yea, it's one of those 'rules' that unless brought out publicly no one really cares about. I mean you have a bunch of young guys couped up for months at sea and in some of these port of calls they want to go out and unwind a lil bit so what? It's 100% consensual and even helps the local economy. As long as they treat the women or in some cases ladyboys with respect and conduct it strictly as a business transaction I am personally not against it EVEN if I do not partake nor support such activities myself.
As long as they come back on time, does not affect their duties otherwise etc.. let the guys be. As long as they practice safe and responsible actions it sure beats getting drunk, getting in trouble or be in a bar brawl etc.
 

Air Force Brat

Brigadier
Super Moderator
How come the Hornet can launch without a lift fan and that Lightning II has the lift fan on?
I mean, I could understand using the lift fan on a vertical landing or takeoff but.

Mr. Brumby/Sharpei has the answers, but STOVL aircraft are launching from US vessels without a ramp or catapult, and always use the lift fan for take off or landing, (Harrier and F-35B)......

The F-35C will depend on the catapult for launching of CATOBAR carriers....

I would suggest a little study on the differences between the F-35B and F-35C to completely understand what is going on, you will notice that the F-35B does indeed benefit from the aft and down deflection of the tailpipe on the F-135 engine, the lift from the centrally mounted lift fan, is balanced on the aft end. by the downward deflected tail pipe from the main engine...

Not the tailpipe is also angle to the rear to provide "forward thrust", while on the C model the tailpipe is fixed to the rear to provide forward thrust at all times....

there are also tip mounted "jets" for roll control,,,, yaw continues to be provided by the vertical stab/rudder....

it is quite amazing.... and quite frankly not well understood by most folks, so don't feel bad for asking......
 
Jan 8, 2019
Nov 2, 2018
now
SECNAV to Trump: Ford Carrier Weapons Elevators Will be Fixed by Summer, or ‘Fire Me’
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the text: ... oh who cares here
and
Navy: Ford’s Advanced Arresting Gear Will be Ready for Fleet Super Hornets, Growlers by End of Year
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The crew of USS Gerald R. Ford (CVN-78) are slowly expanding the aircraft they can launch and recover from the next-generation aircraft carrier, Ford’s air boss told USNI News last week.

By the end of the year, the Navy hopes to have all of the technical information it needs to launch and recover every configuration of the F-18E/F Super Hornet and EA-18G Growler from Ford. The creation of the so-called launch and recovery bulletins for the carrier’s Electromagnetic Aircraft Launch System (EMALS) and Advanced Arresting Gear (AAG) will allow fleet aviators and aircraft to operate from Ford.

“In a couple of months, they are on a path to publish the fully fleet-representative recovery bulletins that will give us the capability to recover any weapons configuration which F-18 or a Growler can have on a Nimitz-class,” Cmdr. Mehdi Akacem told reporters last week on the deck of the carrier.
“So, when we next get to sea, we’re going to have tests pilots come out to do one real validation on the actual aircraft carrier, but then once that’s complete then we will be able to have fleet aircraft to come out and operate with us. We expect that to be within the calendar year.”

Ford is set to leave Newport News Shipbuilding in July following the completion of a post-delivery maintenance availability and head back to sea for more testing.

Out of all of the next-generation technologies on Ford, the AAG, built by General Atomics, has been the most troublesome for the Navy. Early versions of the system installed at test facilities did not meet required reliability levels and prompted an extensive redesign for follow-on versions that delayed land testing by two years.

The delay pushed testing aboard Ford back two years and created a reliance on an AAG system installed at a test facility at Joint Base McGuire-Dix-Lakehurst, in Lakehurst, N.J.

At sea, Ford has conducted 763 landings with test aircraft with the AAG and seen ten failures during testing – far higher than the Navy’s requirement of 16,5000 recoveries before an operational failure, according to the recent Pentagon director of operational test and evaluation (DOT&E) report.

“They are doing the envelope expansion there. They have the test pilots flying into a real AAG setup built into a runway,” Akacem said.

According to DOT&E, the Navy has used the Lakehurst Jet Car site for 2,230 AAG arrestment tests as of the end of September. In the same period, the AAG at the Runway Arrested Landing Site, also at Lakehurst, had 928 arrestments with manned aircraft.

EMALS and AAG are two of several key technologies that differentiate Ford from the older Nimitz-class carriers. The collective goal of the technologies is to boost the sortie generation rate – the number of aircraft the carrier can launch – by 25 to 30 percent over the Nimitz-class rate while reducing manning.

Other components have met with delays. For example, only one of the 11 Advanced Weapons Elevators on Ford have been certified for operations, with the second one to be approved later this month.

Chief of Naval Operations Adm. John Richardson told reporters last week aboard Ford that the delays in technology are largely under control and the service is now thinking about the future possibilities of the ship class.

“Our minds need to be captivated now by the larger matters that are before us in terms of the USS Gerald R. Ford in terms of how are we going to use this amazing platform to move and open up our superiority at sea in operations and warfighting context,” Richardson said.
 
Sunday at 8:29 PM
Wednesday at 9:43 PM
and
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...
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:

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related is the tweet
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CHARLES DE
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R91 completed "Fanal 19" exercises in the Med on 11 Feb. The latest version of Task Force 473
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included
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PROVENCE D652, US
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DONALD COOK DDG75, the Spanish frigate CRISTOBAL COLON F105, and a French sub and supply ship.

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bd popeye

The Last Jedi
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ATLANTIC OCEAN (Feb. 2, 2019) A Sailor tracks aircraft from primary flight control aboard the Nimitz-class aircraft carrier USS Abraham Lincoln (CVN 72). Abraham Lincoln is underway conducting composite training unit exercise (COMPTUEX) with Carrier Strike Group (CSG) 12. The components of CSG 12 embody a “team-of-teams” concept, combining advanced surface, air and systems assets to create and sustain operational capability. This enables them to prepare for and conduct global operations, have effective and lasting command and control, and demonstrate dedication and commitment to becoming the strongest warfighting force for the Navy and the nation. (U.S. Navy photo by Mass Communication Specialist 3rd Class Cody Anderson/Released)

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ATLANTIC OCEAN (Jan. 30, 2019) The Nimitz-class aircraft carrier USS Abraham Lincoln (CVN 72) transits the Atlantic Ocean during a strait transit exercise. Abraham Lincoln is underway conducting a composite training unit exercise with Carrier Strike Group (CSG) 12. (U.S. Navy photo by Mass Communication Specialist 3rd Class Clint Davis/Released)

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ATLANTIC OCEAN (Feb. 7, 2019) An F/A-18E Super Hornet from "Fist of the Fleet" of Strike Fighter Squadron (VFA) 25 launches from the flight deck of the Nimitz-class aircraft carrier USS Abraham Lincoln (CVN 72). Abraham Lincoln is underway conducting composite training unit exercise (COMPTUEX) with Carrier Strike Group (CSG) 12. (U.S. Navy photo by Mass Communication Specialist 1st Class Brian M. Wilbur/Released)

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ATLANTIC OCEAN (Feb. 2, 2019) Senior Chief Aviation Boatswain's Mate (Handling) Morden Joyles directs aircrafts across the flight deck on the Nimitz-class aircraft carrier USS Abraham Lincoln (CVN 72). Abraham Lincoln is underway conducting composite training unit exercise (COMPTUEX) with Carrier Strike Group (CSG) 12. (U.S. Navy photo by Mass Communication Specialist Seaman Michael Singley/Released)

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ATLANTIC OCEAN (Jan. 26, 2019) An F/A-18E Super Hornet from the "Pukin' Dogs" of Strike Fighter Squadron (VFA) 143 performs an arrested landing on the flight deck aboard the Nimitz-class aircraft carrier USS Abraham Lincoln (CVN 72). Abraham Lincoln is underway conducting Composite Training Unit Exercise (COMPTUEX) with Carrier Strike Group (CSG) 12. (U.S. Navy photo by Mass Communication Specialist 3rd Class Jeremiah Bartelt/Released)

 
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