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FAD - How long will it last?

Old 07-23-2015, 03:36 PM
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Default FAD - How long will it last?

Lets say hypothetically if you were to make a fad out of 2 5 gallon buckets of concrete for an anchor, 500' of 1/8 inch stainless cable, and a semi buoyant pvc spider or hoop of some sort dropped in 530' of water so it sits well below the surface.

How long will it stay there?

Would the current drag it away? Or do you think you could get at least a few months of fishing out of it?

Of course it would shift position with the tides and current but I would think it would stay within a 50yd radius

Obviously I'm not planning on doing this because it is illegal, but I just figured I would pose the question.
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Old 07-23-2015, 03:49 PM
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Originally Posted by Liveactionfishing View Post
Obviously I'm not planning on doing this because it is illegal, but I just figured I would pose the question.
LOL. What numbers were you thinking of putting it on? Hypothetically speaking of course...


I'm sure there must be more than one of those floating around out there.
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Old 07-23-2015, 04:56 PM
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Hypothetically, the buoyancy and weight are the two most direct things needing to be noted as well as surface area. Overweight the effer with 300lbs of octagonal dumbells and you should be good
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Old 07-23-2015, 06:46 PM
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Since its all hypothetical I've heard manhole and sewer grates work well. mule tape is cheap has no stretch and is numbered every foot.
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Old 07-23-2015, 06:49 PM
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That is going to be one expensive FAD haha. I give it a year before nature swallows it at that depth. I have seen some here locally when they were first set up around March for our Cobia season in around 60 foot of water. Now 5 months later they are still there, but withering quickly. Even the well made ones are becoming heavy with growth and are quite battered.

The best ones I have seen are made with solid anchors and old blue jeans for the attractant attached to a well made rubber buoy at the top.
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Old 07-23-2015, 08:15 PM
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Cable is a hundred bucks on amazon, concrete is 5 bucks a bag, and pvc costs next to nothing. So for what we pay here for 1 1/2 dozen goggle eyes you could have one of the best dolphin and wahoo habitats all summer long.. If the thing lasts 5 months that would be well worth it for someone,, not mentioning who.
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Old 07-24-2015, 03:14 AM
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Skip the stainless, use the kevlar parachute cord comes in 2000 foot spools
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Old 07-24-2015, 05:59 AM
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Guys in Kona use trash cans full of concrete and they have half the current we do. Do you really think 2 5 gal buckets would be enough? I've thought about doing this for years but haven't figured out how to deploy it from a recreational boat.
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Old 07-24-2015, 06:00 AM
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oh by the way... hypothetically speaking they saw the stainless swivel is the most critical piece. The twisting of the main line is what breaks them off.
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Old 07-24-2015, 06:17 AM
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Originally Posted by Lead Change View Post
Guys in Kona use trash cans full of concrete and they have half the current we do. Do you really think 2 5 gal buckets would be enough? I've thought about doing this for years but haven't figured out how to deploy it from a recreational boat.
2 5 gallons will hold 100 lbs of concrete, you could even do 3 for 150 lbs and chain them all together through a steel loop you embed in the top.

deployment would be easy, you can build the top portion on the boat with precut pipe, fittings and blue glue. attach one end of the cable to the pvc fixture, toss it over then drive away pulling out the 500' of cable. Once at the other end you attach to the weights, toss them over and back down towards the pvc, all the while marking points on your gps.

hypothetically of course.
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Old 07-24-2015, 06:29 AM
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I've tired doing what you're doing, but the current was around 1 knot and it dragged the buoy down like a planer. I'd suggest alot of flotation.
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Old 07-24-2015, 06:35 AM
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Hypothetically, I would like to see some pictures of the fad.
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Old 07-24-2015, 06:49 AM
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Old 07-24-2015, 07:41 AM
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man I don't know... seems like allot to go wrong. I have visions of covering boards being ripped off, I wish I had access to a commercial boat with a crane.
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Old 07-27-2015, 08:51 AM
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Originally Posted by Lead Change View Post
Guys in Kona use trash cans full of concrete and they have half the current we do. Do you really think 2 5 gal buckets would be enough? I've thought about doing this for years but haven't figured out how to deploy it from a recreational boat.
I built a couple and they both got stolen or cut off within days. I drilled a 5 gallon bucket and slid rebar through the holes so the formed and X half way down. I crimped a stainless cable around the center of the X and left it around 4 feet long. Then filledit with concrete
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Old 07-27-2015, 11:09 AM
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i think that some guys under-estimate the current. I've had the large LD poly balls get pulled under water in 130ft with 300ft of poly line anchored to a ledge.

my biggest question on a FAD is how length:depth when desiging it.
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Old 07-27-2015, 11:52 AM
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To answer the original question of how long it will last... Not very. After all, it's just a fad.
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Old 07-27-2015, 01:25 PM
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Anchors with a design holding power are much better than concrete weights. Holding power can be a hundred times more with an anchor of the same weight as a concrete block.

Used anchors are cheap. When we built ours,(theoretically ) we used (would have used) an anchor and pvc pipes to make a large cross section floating in the water. It lasted for a year, (theoretically) and we caught dolphin and wahoo when no one else was catching them (theoretically of course).
It was designed to "fly" about 75 ft down in 450 feet of water.
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Old 07-27-2015, 01:33 PM
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Originally Posted by Ron@.38 Special View Post
Anchors with a design holding power are much better than concrete weights. Holding power can be a hundred times more with an anchor of the same weight as a concrete block.

Used anchors are cheap. When we built ours,(theoretically ) we used (would have used) an anchor and pvc pipes to make a large cross section floating in the water. It lasted for a year, (theoretically) and we caught dolphin and wahoo when no one else was catching them (theoretically of course).
It was designed to "fly" about 75 ft down in 450 feet of water.
Awesome info! My neighbor suggested If one were to do this they should use both the concrete weights and an anchor.

A year is a long time, I could pull lots of fish off it in a year. Maybe put 2 or 3 close together and bump up the chances of catching.
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Old 07-27-2015, 02:40 PM
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Do a search for the specific gravity of your concrete and saltwater, the deeper it goes, the lighter it gets from the pressure.
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