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Feb 01, 2019, 03:17 AM
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To the stars

To the stars (0 min 11 sec)

The engine that's taking us to the stars. At least, seeing it brought more confidence than the last month of layoffs & artwork. They definitely got derailed with the focus on the shiny nose, then the thing getting blown over & a month in launch delays to repair the decoration.

The engine was radically different than any previous design, with a turbopump mounted in line with the combustion chamber. Many pipes had to be very long to do that, but it might be lighter to have the turbopump inject oxygen directly into the combustion chamber. This allows more engines to be packed in a smaller horizontal space.

To make the pipes longer, they had to be very narrow. The Merlin famously uses very narrow pipes & high velocity fluid. They operate right at the limit of how fast a fluid can travel through a pipe.

They could also have the turbine on the very top, driving a fuel pump which forces fuel down into the oxidizer pump, which forces the mixture into the combustion chamber. Oxygen is usually the one they want to minimize contact with.

The powerhead is going to be a deadly stick when swinging from the thrust vectoring. It looks more like a traditional jet engine.
Last edited by Jack Crossfire; Feb 01, 2019 at 03:39 AM.
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