NASA successfully
tests revolutionary missile engine
that will accelerate humans' arrival in Mars
Many space companies plan to transport humans to Mars in the near future
but this goal faces many challenges about fast long-distance space travel.
In a major step to move heavy loads through the solar system in a short time
NASA just
announced a successful test of an innovative rocket engine
with enough thrust to get us to the Red Planet.
The RDRE prototype at NASA's Marshall Space Flight Center in Alabama
set new records for this technology, achieving 25,810 Newtons of
251 seconds of propulsion.
This exceeds the 17,800 Newton thrust achieved by the rocket engine
in 2022 for about a minute, with validated results in early 2023.
Finally, NASA aims to build a 44kN RDRE engine that is fully reusable to
improve conventional liquid rocket engines.
"RDRE offers a huge leap in design efficiency,"
says combustion device engineer Thomas Tesley who leads
the RDRE project at the Marshall Space Flight Center.
What makes RDRE so revolutionary is that it uses a continuous explosion that
orbits a ring-shaped channel, fed with a mixture of fuel and oxygen that
ignites with each explosion passing.
This technology has been in development for years
and in laboratory tests since 2020, but only now have scientists shown it
to be stable and manageable enough to be used in actual rockets to take
us into space.
More importantly
the RDRE engine uses less propellant than conventional rocket engines
and is simpler in terms of machinery and machinery. This means that
going to space becomes cheaper, and traveling farther is possible.
Space exploration is known to cost a lot, and this will represent a significant
upgrade in terms of the amount of fuel needed to cross long distances.
It should also be noted that
NASA has used 3D printing techniques to
produce customized machine parts strong enough to withstand
the intense heat and pressure involved in RDRE design.
Engineers behind the test say they now have a better understanding of
how to expand and adapt combustion to support different levels of propulsion
different types of engine system, and different categories of tasks.
NASA hopes that
the first man can set foot on Mars sometime in the 1930s.
There are still many obstacles to overcome with regard to access to Mars
and survival once humans get there, but an effective means of payment helps
solve the most important obstacles.
"This shows that we are closer to making lightweight propulsion systems that
allow us to send more mass and payload into deep space, which is a critical
element of NASA's vision from the Moon to Mars," Tesley notes.
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