The next main launch vehicle "H3" 3 engines simultaneous injection test release Akita February 13 18:58
A test in which three main engines of the Japanese mainstay rocket "H3", which is scheduled to be launched next year, will be injected simultaneously at the time of actual launch was opened to the press in Akita Prefecture.
H3 is a new rocket developed by Japan Aerospace Exploration Agency and Mitsubishi Heavy Industries as a successor to H2A, Japan's main rocket, and can be equipped with two or three main engines.
On the 13th, a test was conducted at the test site in Odate City, Akita Prefecture, where three new main engines "LE-9" were injected simultaneously to check the engine system such as fuel flow.
When the engine was ignited after the countdown, a roaring sound rang around and a large amount of water vapor generated by burning fuel hydrogen was rising.
The engine fired for 38 seconds, indicating that the test was completed as planned.
JAXA and others will analyze the results on the 13th for about a week, and after conducting tests using the launch vehicle at the Tanegashima Space Center in Kagoshima Prefecture, will launch the first aircraft during the next fiscal year.
JAXA project manager Masafumi Okada said, "I feel that the rocket development has come to the 8th station after the successful completion of this test. I would like to continue to tighten my mind and aim for launch next year." Was.