by Douglas Messier
Japan continues to make progress toward the first flight of its new H3 launch vehicle with a successful test firing of the booster’s LE-9 first-stage engine on April 30.
JAXA reports that the engine fired for the planned duration of 240 seconds (4 minutes) at the space agency’s Tanegashima Space Center. It was the seventh hot fire of the new engine, which is powered by liquid oxygen and liquid hydrogen.(more…)
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