Military.com reports that Admiral John Richardson told the House Appropriations subcommittee that the US Navy is fully invested in railgun and is continuing tests.
The railgun tests demonstrated it at lower firing rates and … shorter ranges. Now the US Navy is working on the engineering to increase the firing rates and the 80- to 100-mile range.
Richardson indicated the weapon had yet to reach that range in spite of predictions.
“That involves a number of technologies,” he said. “The barrel itself is probably the limiting case, the engineering on that, the materials required to sustain that power pulse, and the heat and pressure that’s involved in launching those projectiles. And we’re doubling down on that.”
Engineers have found the gun’s barrel wears out rapidly when metal projectiles are fired at the blistering rates the railgun’s technology delivers. Another unresolved issue is the power source for the gun; currently, only the new three-ship Zumwalt class of class of mega-destroyers is reportedly capable of supplying the electromagnetic charge needed to operate the gun. The Navy wants to deploy a version of the railgun aboard smaller-sized destroyers.
The US Navy brass were “very conscious” of reported Chinese achievements in railgun technology.
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