Raptor start sequence is
— Elon Musk (@elonmusk) February 28, 2023
Raptor start is now reliable on the test stand under most conditions.
— Elon Musk (@elonmusk) February 28, 2023
Now we’re working on dynamically adapting the start sequence based on increasingly difficult propellant inlet pressures & temps.
Operating with low pressure, “warm” liquid oxygen is particularly important.