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A rocket engine, or other impulse engine, which is designed to be fired more than once.

6 votes
1 answer
725 views

Which is the preferred mode of liquid rocket engine cutoff - fuel lean cutoff or fuel rich c...

When a bi-propellant liquid rocket engine receives a command to shut down, will the fuel gets cut off first and then the oxidiser - a fuel lean cutoff? Will the oxidiser gets cut off first and then …
karthikeyan's user avatar
  • 4,489
1 vote
1 answer
2k views

How is a spark plug igniter of rocket different from one used in IC engines?

US20120103302 shows a spark ignited prechamber combustion system typically used for IC engines. It basically consists of a chamber which has a input of premixed fuel-air mixture and a spark plug to st …
karthikeyan's user avatar
  • 4,489
3 votes
1 answer
1k views

How long does Augmented Spark Igniter fire?

The heroicrelics.org page J-2 Rocket Engine Augmented Spark Igniter mentions that The ASI operates continuously during entire engine firing Does this how all spark igniters function in rocket e …
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  • 4,489