In the fictional universe of Star Trek
, a Warp Coil
is a component of the warp drive
. They are also known as warp field coils
Warp field coils are asymetrically placed units that propel the ship into warp flight. Depending on the geometry of the warp field projected around the ship, these coils create a pulsating field when injected with a controlled plasma burst, pushing to the rear of the vessel, propelling the ship forward in a controlled rate.
Info about the Force of Nature episode at Startrek.com