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The Incredible Engineering of SpaceX Starship Raptor Engines Explained.
00:40 Why Raptors Engine are different
01:16 Why Raptor Engines power Spacex Starships
02:24 History behind Raptor Engines
03:06 Use of Methane in Raptor Engine
03:44 full-flow staged combustion mechanic in Raptor Engines
04:36 How Raptors create so much thurst
06:45 Starship prototypes and evolution of Raptor Engine
08:29 SpaceX’s vision with Raptor Engines
This video looks into the incredible engineering and skillful design of SpaceX’s recent Raptor rocket engines that is at the core of all of their current and future plans.
The Raptor engine is described as a cryogenic liquid methane and liquid oxygen fueled rocket engine and is designed to be highly reusable with a staged combustion system.
Use of liquid methane and liquid oxygen is a break from SpaceX’s previous rocket engines that used a refined petroleum kerosene and liquid oxygen.
Although earlier concepts for the Raptor called for the use of liquid hydrogen as fuel instead of methane, the use of liquid oxygen turned out to be the right choice in the end as the Raptor can produce much more than twice the thrust force of the Merlin engine used in SpaceX’s Falcon 9.
Due to the engine being able to achieve such high performance standards, the Raptor is fully intended to power SpaceX’s upcoming Starship launch vehicle which is designed to replace all of SpaceX’s current spacecraft such as the Falcon 9, Falcon Heavy, and Dragon 2.
Even though the Raptor is still being developed and improved, it has already achieved the distinction of being the first full flow staged combustion rocket engine ever flown.
Raptor’s full-flow stage combustion system eschews this in favor of managing to use every drop of propellant available, which makes it the most efficient rocket engine built so far.
As stated previously, the Raptor exerts a much higher pressure force than anything seen before; almost three times greater than the engine force exerted by SpaceX previous venture known as Merlin.
One Starship vehicle is powered by six of these Raptor engines and the Super Heavy rocket booster uses 35, making for a total of 41 Raptor engines that are working each launch.
The Raptor engine’s design is symbolic of SpaceX’s recent shift from launches within the Earth-Moon system to launches towards the greater Solar System.
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