spool down

verb

spool down

verb

1

Aeronautics, Aerospace, Aviation, Business, Engineering, Natural sciences, Physical sciences Of a turbine engine To decrease in rotational speed, producing a decrease in thrust.

All ground personnel MUST be made aware that big jet engines take a considerable time to spool down. We don't want any more mechanics getting sucked in or catapulted across the apron.

Antonyms: spool up
Related terms: spooldown

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.