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Dave@lemmy.world to Space@lemmy.world · 2 years ago

Stoke Space successfully conducted a vertical takeoff and vertical landing (VTVL) developmental test flight of their reusable second stage rocket

www.stokespace.com

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Stoke Space successfully conducted a vertical takeoff and vertical landing (VTVL) developmental test flight of their reusable second stage rocket

www.stokespace.com

Dave@lemmy.world to Space@lemmy.world · 2 years ago
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Update on Hopper2: The Hopper Has Landed | Stoke Space / 100% reusable rockets / USA
www.stokespace.com
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September 17, 2023 – Today at Stoke Space’s test site in Moses Lake, Washington, we successfully conducted a vertical takeoff and vertical landing (VTVL) developmental test flight of our reusable second stage rocket. During this test,...
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  • Dave@lemmy.worldOP
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    2 years ago

    There is video, but I can only find on Twitter presently: https://twitter.com/stoke_space/status/1703569700540883195

    • AnIndefiniteArticle@sh.itjust.works
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      2 years ago

      From the wiki page linked here, this looks like a toroidal spike. I wonder what sort of gas they use for the base bleed.

      Several versions of the design exist, differentiated by their shapes. In the toroidal aerospike the spike is bowl-shaped with the exhaust exiting in a ring around the outer rim. In theory this requires an infinitely long spike for best efficiency, but by blowing a small amount of gas out of the center of a shorter truncated spike (like base bleed in an artillery shell), something similar can be achieved.

      • nyoooom@lemmy.world
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        2 years ago

        Pretty sure those are several small distinct engines, but at high altitude with a large expansion ratio it will kind of work like an aerospike

    • Eugene Glover@mastodon.social
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      2 years ago

      deleted by creator

  • NegativeNull@lemm.ee@lemm.ee
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    2 years ago

    These are the guys trying to make an AeroSpike engine. This looks to be a test of that! Super cool!

  • TenderfootGungi@lemmy.world
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    2 years ago

    Everyday Astronaut did a video on the vehicle. it shows a test fire but not the hop (have seen that on YouTube as well). Worth a watch: https://m.youtube.com/watch?v=EY8nbSwjtEY.

    Edit: Clarity

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