Abstract
At the French-German Research Institute (ISL), several railgun setups are used to investigate different military scenarios. One compelling scenario for a railgun application is the long-range artillery. For this, it is required to be able to handle multimegaampere currents to accelerate heavy launch packages of velocities above 2 km/s and to do so as efficient as possible. The NGL-60 is a 6-m-long open-barrel breech-fed railgun with a square caliber of 60 mm. With this railgun, it will be possible to fully utilize the currently available 10-MJ capacitor-based power supply unit (PSU). To validate the concept of the NGL-60 design, a 2-m-long prototype was installed. Subsequent tests showed that the railgun design is able to handle currents above 2 MA without structural damages or electrical failures. After the successful test series with the prototype, the construction of the full NGL-60 started and is finished by now. In this report, results from the prototype tests are reported, and the first experiments with the 6-m-long NGL-60 are presented.
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