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This is John Batcheter from Hotel Mars

with David Livingston speaking with Eric Berger of ours Technica, the Science Tech Space Correspondent.

I recommend his book on Elon Musk the original SpaceX. Right now we're talking

about the most recent test of Starship Super Heavy which Eric defines very carefully as a great success looking for more in 2024.

This detail here describes an experiment that was underway in that launch. It's called Hot Staging.

Eric believes it'll be part of the launch sequence in future.

It permits a little more lift into orbit. Here is Eric Berger to

describe hot staging at SpaceX. So hot staging is something that's not often done with rockets, but it's been done a few times in the past by the Russians.

Essentially, so when a normal rocket launches, the first stage goes up, it burns all its fuel, its engine is shut down, and there's about a second or two, and then there's a separation mechanism that fires. And the first stage falls away, and then the second stage is released. It ignites its engine, and then it

it it lifts off and it's going towards space.

So there's about a five second period there give or take where you're losing momentum though right because you're not

thrusting upward and so hot staging basically means that the second stage engines ignite while the first and second stages are still connected.

And so SpaceX has built in these basically large portholes in the area between the first and second stages for the flames to come out.

...