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Tylaska Cone and Plug Fids explained

by Prinal Shah 16 Jan 09:22 UTC
Fids and their applications © Premium Ropes

Tylaska Marine Hardware is an American manufacturer of high quality hardware for the sailing and marine industry. Tylaska's stated aim is to make the best product based upon physics and not economics. They do not cut corners which probably explains why Tylaska products are as highly valued now, as they were 25 years ago.

In this blog, we will explain what fids are, their purpose and we will outline the three remote operation fids, their uses, and how to choose between the three depending on application.

What are fids and what is their purpose

The main application of a Tylaska snap shackle these days is where it needs to be released under load (e.g. a spinnaker guy). Any bowman worth their salt will have a spike, or fid, on their harness for releasing loaded Tylaskas, which will look like the image below.

Tylaska fids are machined from solid aircraft 6061-T6 aluminium and knurled for a more secure grip. They are available in three sizes for Tylaska T5-12, T20-30 and T50, and anodized in a choice of either blue or red.

The taper of the fid fits all Tylaska shackles and most other brands. The rear through-hole allows easy attachment of a lanyard or wrist leash.

This fid is designed for use by the trusty and fearless bowman who is happy to climb his way out to the end of the pole. However, for those of us where this is a distant memory, but who are maybe older and wiser(!) and still enjoy performance sailing... Tylaska have fids specifically designed for remote operation.

Plug Fids

Plug fids allow for the remote release of trigger shackles. The fid is pushed into the trigger hole and the tapered rear of the fid allows the trigger to snap closed again and hold the fid in place.

A lanyard can then be attached to either of the two holes depending upon the desired location of remote release. For side release, the lanyard is attached to the blunt end and can be pulled out either by hand or by winch. For rear release, the lanyard is attached to the tapered end and pulled from behind.

The fid pries open the trigger and stays captive with the shackle. It can also be used with no lanyard and operated as a 'handle' for convenient release.

Cone Fids

The cone fid does not sit in the trigger and therefore minimizes the chance of accidental release. A lanyard goes through the trigger and sits "in the vicinity" of the shackle until required. There are two types of cone fids: Single and Double cone.

The single cone fids have a recessed area to accommodate a knot at the end of the trip line. When the line is pulled, the fid engages the trigger, releasing the shackle. The single cone is made to be a little bigger in diameter than the trigger hole and will not pass through when the trip cord is pulled. The half cone and trip line stay captive with the shackle once it is released.

The double cone fids come with a retaining screw to lock the trip line in place. The double cone is made to be slightly smaller than the size of the trigger finger hole and will pass completely through the trigger finger hole when pulled. The double cone and trip cord is not captive with the shackle and will come free of the shackle once it is released. In most sailing applications the half cone is more popular.

How to choose between the three?

Choosing between them comes down to personal preference, sailing style and the abilities of your crew and bowman.

The single cone is the most basic, but one of the most popular. It is designed to be pulled at 90 degrees to the load direction of the shackle and remains captive after release. The double cone is more popular for industrial applications where you want the trip line to come free of the shackle once the load is released. The Plug fid offers more flexibility in setup with the option to tie off the other end of the trip line for more control of the fid / trip line, post release. It can also be used at 90 degrees to the loaded shackle, or the trip line run back along the loaded line and tripped from the safety of the cockpit.

If you have any questions or would like to know more please contact upffront.com or browse the range of Tylaska fids.

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