CH-53K Helicopter Displays Massive Heavy Lift Capability Ahead of Deployment

Posted By stdaily
Posted On December 9, 2022

CH-53K Helicopter Displays Massive Heavy Lift Capability Ahead of Deployment


The new CH-53K helicopter lifted a 14,000 pound crashed H-60 at 12,000 feet, demonstrating an unprecedented ability to perform high-risk, heavy lift missions in combat

After years of engineering, testing, construction and development, the new Marine Corps CH-53K Super Stallion Heavy Lift is fast-approaching Initial Operational Capability on its way to deployment.

During a 2023 Budget hearing at the Senate Armed Services Committee – Defense Subcommittee, Marine Corps leaders and members of Congress

The emerging “K” model CH-53 is engineered to provide more lift, speed, performance and protection compared to prior models.

CH-53K

Berger explained that the new CH-53K helicopter lifted a 14,000 pound crashed H-60 at 12,000 feet, demonstrating an unprecedented ability to perform high-risk, heavy lift missions in combat. Berger stressed that there was nothing in the inventory

“We have to make sure it’s affordable,” Berger told lawmakers, explaining that Foreign Military Sales of the helicopter and increased production will lower the cost per unit of the aircraft and improve the prospects for long-term sustainment.

The idea with the helicopter has been to engineer a new aircraft with much greater performance and three-times the lift capacity compared to the existing CH-53E or “Echo” model aircraft designed in the 1980’s, Navy weᴀponѕ developers told me several years ago when the new “K” model was earlier on in its development.

Earlier in the development of the CH-53K, Marine Corps program managers said the requirement for the new helicopters is to be able to lift 27,000 pounds, take it 110 nautical miles, stay 30 minutes on station and then be able to return to a ship under high hot conditions. This lift capacity is three-times the 9,000-pound lift ability of the existing Echo model. The initial requirement for the “K” model CH-53 emerged out of the need to build a variant with much more lift. a Marine Corps study which looked at the combat aviation elements of a Marine Air-Ground Task Force (MAGTF).

Engineers with the “K” program from Sikorsky told me several years ago during an earlier phase of the platform’s development that engineers were using a handful of new technologies to achieve greater lift, speed and performance with the helicopter. This includes the integration of a new, more powerful GE T408 turboshaft engine for the aircraft, developers explained.

The helicopter is also built with lighter-weight composite materials for the airframe and the rotor blades, materials able to equal or exceed the performance of traditional metals at a much lighter weight, Sikorsky and Navy developers explained.

Earlier in the CH-53K’s development, Sikorsky weᴀponѕ developers said the design involves an all-composite skinned airframe, fourth generation rotor blades and a combination of new airfolds, taper, integrated cuff and modified tip deflection of the blade. The helicopter will also be configured with Infrared Countermeasures, a high-tech laser-jammer designed to throw incoming missiles off course.

Also, the CH-53 K uses what developers refer to as a split-torque transmission design that transfers high-power, high-speed engine output to lower-speed, high-torque rotor drive in a weight efficient manner.

The K model is a “fly by wire” capable helicopter and also uses the latest in what’s called conditioned-based maintenance, a method wherein diagnostic sensors are put in place to monitor systems on the aircraft in order to better predict and avert points of mechanical failure.

Much heavier lift helicopters bring new tactical dimensions to both expeditionary and maritime warfare as they enable more dispersed operations. Forward-operating otherwise disconnected force concentrations can be resupplied with supplies, weᴀponѕ and ammunition by heavier helicopter transportation loads, changing the tactical equation. A combat outpost in an island area in the Pacific can more easily receive reinforcements from amphibiously launched heavy lift helicopters able to bring much greater supply loads per mission. A CH-53K would also be better positioned to, for instance, sling load mobile artillery weᴀponѕ or even light tactical vehicles into high-risk land combat areas as well.

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