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Get Ready for a More Powerful Semi-Automatic Railgun

July 26, 2017 By Steve Schneider

The U.S. Navy’s futuristic railgun is about to get some major upgrades. DefenseTech is reporting that developers from the Office of Naval Research (ONR) plan to increase the number of shots it can fire per minute and the power behind the system. ONR is working on a 32 megajoule system that can fire 10 shots per minute. They hope to have both milestones achieved over the next year.

There are two critical issues that still need to be resolved

  • The first is the wear and tear of the barrel. Engineers have designed a new composite launcher that will support the increased power.
  • The other obstacle is the massive amount of power needed to fire the railgun. The only ships in the fleet that can handle the massive amount of power are the Zumwalt-class destroyers.

Read more below.

The Navy’s futuristic electromagnetic railgun is set to take a major developmental step forward this summer as developers work to increase the number of shots it can fire per minute and the power behind the system.

The railgun has been a pet project for the Navy for more than a decade since early testing of a prototype for a shipboard system began in 2006. The gun uses electromagnetic force to launch projectiles at high speeds, allowing the system to function without the powder mechanism conventional shipboard guns.

In theory, a railgun would be safer and potentially cheaper to fire than traditional weapons. Navy plans have called for installing the railgun on the Navy’s three DDG-1000 Zumwalt-class destroyers, but it’s not clear when that will happen.

For now, officials with the Office of Naval Research are working to build the program up to its target capability envelope.

This summer and into next year, work will focus on increasing the power with which projectiles are fired to the target of 32 megajoules, and increasing what’s known as the rep rate to 10 shots per minute, or one every six seconds, said Dr. Tom Beutner, head of Naval Air Warfare and Weapons for ONR.

Office Of Naval Research – Electromagnetic Railgun Multi-Shot Salvos Firing Tests

At 32 megajoules, the gun will have a range of about 110 nautical miles, Beutner told reporters at ONR’s Science and Technology Expo in Washington, D.C., on Thursday.

Engineers will bring a new composite launcher designed to support the increased power and rep rate to Naval Support Facility Dahlgren, Virginia’s Terminal Range, where railgun prototypes are already being fired using a demonstration barrel.

“We expect that both … milestones will be achieved over the next year,” Beutner said of the planned rep rate and power increases.

The system still has crucial issues that need to be resolved. The system sustains significant wear-and-tear when it’s fired because of the power behind the projectile, leading to worries that the gun will break down too fast. Beutner said that parts of the system are being developed for longevity.

“They’ve extended the launcher core life from tens of shots’ core life when program started to something that’s now been fired over 400 times and … we anticipate barrels will be able to do over 1,000 shots,” he said.

Another key issue is power.

The system requires massive amounts of it — so much that only the massive Zumwalt-class ships can independently sustain the demand. Beutner noted that the challenge applied to other weapons as well: when the Navy tested its new Laser Weapons System aboard the amphibious transport ship Ponce this month, testers took their own power sources with them to simplify the challenge.

“ONR is starting to look at that … what that future ship power system needs to be in order to power, not just railgun, but a variety of electromagnetic weapons,” he said. ” … Power generation and storage approaches are all part of what we’re researching as well.”

Source: Defense Tech

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Steve Schneider
Steve Schneider is a weapons specialist for Richardcyoung.com. He is our website and graphic design specialist for Youngsworldmoneyforcast.com, Richardcyoung.com, and Youngresearch.com. Steve customizes and creates all of the images and political cartoons on our websites.
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