Why is a gin pole called a gin pole?
Why is a gin pole called a gin pole?
The gin pole is derived from a gyn, and considered a form of derrick, called a standing derrick or pole derrick, distinguished from sheers (or shear legs) by having a single boom rather than a two-legged one.
How long should a gin pole be?
The gin pole I have currently is about 7-8′ long, and the cable connection points are at the end of the pole – just the way the PO did it. You’re right that a spinnaker pole would be 10′ or so, but the cable connection points would not necessarily need to be at the end of the pole.
What is gin pole derrick?
Gin pole derrick (also known as standing derrick or pole derrick) is a derrick without a boom with single tower or mast supported by 4 guy wires (two side guys, fore guy and rear guy). The base of the tower is hinged and the top of the tower is connected to a pulley system for load lifting.
How many guy ropes does a gin pole have?
The pole is fitted with one front guy or stay, one each side, and one or sometimes two, backstays. It is recommended to fit five stays, so that one stay can be used as a lazy guy when shifting the position of the others for the purpose of tracking the pole. The stays or guys should have an eye splice at the top end.
What is a gin block?
: an iron or steel tackle block containing one or more pulleys.
How many types of Derrick are there?
Oil derricks are manufactured to suit a particular rig operation such as jack-ups, platforms, semi-submersibles, or drill ships. Types of derricks include basket, breast, gin pole, guy and stiffleg.
What is a gin pole on a sailboat?
Setting up the boom as a gin pole. A mast raising gin pole has one end stationary near the base of the mast, uses the forestay to support the lifting end, and uses a winch or a block and tackle to theoretically raise the bow of the sailboat to the end of the gin pole.
What is a gin pole used for?
A lifting device, similar in function to a crane jib, that is used in a number of oilfield applications, such as for handling tubulars on a snubbing unit, tool strings on a slickline unit or on a winch truck, and for general lifting at the wellsite.
How do you step your own mast?
Walk the mast aft and drop the mast foot into the mast step on top of the deck, keeping the mast in center line of boat, insert the pivot bolt and locking nut. One crew member should pull on a line tied securely to the forestay while another pushes up on the mast and walks from the cockpit forward.
What does Derick mean?
In English Baby Names the meaning of the name Derick is: Gifted ruler. From Theodoric.
How do you build a gin pole?
Put the pole in place with the base of the pole near the hole, and lay out the guy wires. Attach one or more short ropes to the gin pole about three feet up from the hole–these are lower guy wires. Attach the upper guy wires to the top of the pole. Attach the pulley near the top of the pole.
What is a sailboat gin pole?
Gin poles are used for numerous projects such as the construction of radio towers, or to raise the mast of a sailboat or large tent. Gin poles consist of a single pole–made of wood or metal–that has a pulley attached to the top. It is usually secured with guy wires.
What is a tower gin pole?
Normally, a gin pole is a device used to aid in tower stacking or putting something on top of the tower. It is usually used to go above the top of a tower but there are gin poles that are used to leverage a tower raise it using hinges.
What is a gin truck?
Gin-pole truck: A truck equipped with a pair of poles, and hoisting equipment for use in lifting heavy machinery around a lease.