Article
Baby's cry
Legends
Legends. This article is part of Legends: the expanded-universe stories that Lucasfilm set apart from canon in 2014.
The "baby's cry" was a term for the high pitched squeal emitted by new realspace thruster engines. After approximately 100 hours of use, the pitch would drop two octaves.
Text and facts from the “Baby's cry” article on Wookieepedia, licensed under CC BY-SA 3.0. Modified for this site.