This test, which followed a successful test on the ground, demonstrated the ability of such an engine to develop a thrust force of 900 Newtons and an acceleration of 4 m/s². MIRA II, weighing 229 kg, covered more than 10 km in three and a half minutes. Despite a minor leak in the liquid oxygen tank, the aircraft’s structure remained intact.
Dating back to the 1950s, the CVJP concept has been used for many years due to its better efficiency at various altitudes compared to traditional funnel-shaped nozzles. Despite the failures of previous attempts, including NASA’s X-33 program, Polaris continues to move forward with development.
Source: Ferra
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