lazy jack

(redirected from lazy jacks)

lazy jack

[′lā·zē ′jak]
(engineering)
A device that accommodates changes in length of a pipeline or similar structure through the motion of two linked bell cranks.
References in periodicals archive ?
As standard the mainsail drops with lazy jacks into a boom bag and the full mast-height Genoa furls with ease on a stylish below deck headsail furler.
They are also stockists of the Lazy Jacks clothing range offering hoodies, polo shirts, tshirts and sweatpants for men, women and children.
Halewood is also rolling out Lazy Jacks, a new RTD brand aimed at young males and designed to be less sweet than other RTDs.
With a self-tacking jib, mainsail in lazy jacks and electric power for push-button operation of the two aft winches, the 45 Classic is a breeze to sail short-handed or with a group of non-sailing friends.
Paul had also specified batten cars for the mainsail luff; Rod freed the halyard and zip, the main was snug in the lazy jacks, vital for safety when cruising short-handed.
Electric winches take the effort out of sail handling and lazy jacks make dropping the main a straightforward task.
When the main is hoisted and the lazy jacks moved to the mast, you can roll up the flaps of the boom bag and secure them with Velcro tabs; looks good.