On the SSME there's something called a Augmented Spark Igniter located in the center of the injector. It burns fuel and oxidizer to make a jet of flame which ignites the whole mess. The details are in here:…
On the SSME there's something called a Augmented Spark Igniter located in the center of the injector. It burns fuel and oxidizer to make a jet of flame which ignites the whole mess. The details are in here:…