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The Prometheus rocket engine is an ongoing European Space Agency (ESA) development effort begun in 2017 to create a reusable methane-fueled rocket engine for use on the Themis reusable rocket demonstrator and Ariane Next, the successor to Ariane 6, and possibly a version of Ariane 6 itself.
In April 2021, the developers announced plans to launch a Kickstarter project later in the month to turn the demo into a full game. [12] On April 18, a Kickstarter project for the full version of the game was released under the name Friday Night Funkin': The Full Ass Game and reached its goal of $60,000 within hours. [18]
Themis will be powered by the ESA's Prometheus rocket engine. [1] Two possible landing sites have been mentioned in discussions surrounding the project: [2] The former Diamant launch complex, which will be used for the flight testing phase; [3] The Ariane 5 launch complex, which will become available after the transition from the Ariane 5 to ...
Engine Origin Designer Vehicle Status Use Propellant Power cycle Specific impulse (s) [a] Thrust (N) [a] Chamber pressure (bar) Mass (kg) Thrust: weight ratio [b] Oxidiser: fuel ratio
Methane is somewhat less efficient than the hydrogen used by the Vulcain engine of Ariane 6 but it can be stored at higher temperatures, −160 °C (113 K; −256 °F) compared to −253 °C (20 K; −423 °F) for hydrogen, which makes it possible to lighten and simplify the tanks and the supply circuits. The density of liquid methane is higher ...
FnF, a Bangladeshi drama "F.N.F. (Let's Go)", a 2022 song by Hitkidd and GloRilla; Friday Night Fights, an American boxing television series; Friday Night Funkin', a 2020 rhythm-based video game; Fresh and Fit Podcast, male self-improvement podcast hosted by Myron Gaines and Walter Weekes, also known as FnF Podcast
This, named the Prometheus 1, first flew on 21 June 1971. It was initially powered by a 0.745 kN (167.5 lbf) Microturbo Eclair II , later replaced by a 1.18 kN (265.3 lbf) Microturbo TRS 25 . The engine was mounted on a short pylon to the rear of the cockpit above the wing centre line.
The RL10 is a liquid-fuel cryogenic rocket engine built in the United States by Aerojet Rocketdyne that burns cryogenic liquid hydrogen and liquid oxygen propellants. Modern versions produce up to 110 kN (24,729 lb f) of thrust per engine in vacuum.