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The process of taking an engine that is shut down and getting it running again.

10 votes

How do you start a jet engine if the start valve is stuck closed?

On the 747 with P&W engines at least, there was a procedure where a mechanic could manually open and close the start valve at the engine if energizing the start valve from the cockpit failed. Obviousl …
Terry's user avatar
  • 39.2k
14 votes

Can a jet engine be restarted after a catastrophic failure?

I have no desire to dispute what a fellow retired 747 captain said, so I'm wondering if there was some miscommunication between you and the captain. Or perhaps his definition of catastrophic is diffe …
Terry's user avatar
  • 39.2k
35 votes
Accepted

Why do I hear the "real" engine noise only when the plane is on the runway?

When you have the thrust levers of, say, a 747 all the way back to idle, the airplane still has enough power to move. In fact, you will have to use the brakes to keep it from taxiing too fast. If you …
Terry's user avatar
  • 39.2k
12 votes

Is it possible to hand start modern planes?

If so, how do you do it safely without cutting your hands off or being pulled in by the propeller? The short answer is "very carefully." A longer answer, and the way my father taught me to do it …
Terry's user avatar
  • 39.2k