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Anyone on here coat their coils?
- Thread starter 88junior
- Start date
Why do you want to coat it? Do you have a bottom coil cover to protect from wear? Some of those coatings will increase the coefficient of friction and create more drag when swinging the coil in contact with anything.
If I was going to coat I would look into a harder bed liner type coating. If you go that route spray some on a board or cardboard and check it with the detector to make sure it doesn't have any metallic properties before you coat your coil.
If I was going to coat I would look into a harder bed liner type coating. If you go that route spray some on a board or cardboard and check it with the detector to make sure it doesn't have any metallic properties before you coat your coil.
bootyhoundpa
Well-known member
Ive coated one with bed liner..found it kinda messy to work with ..it looked ok when done but it took like a year to wear in ...the sandpaper like finish would really drag in thick grass...... i have one other coil that i dont have a coil cover for that gets used a lot in sand .that coil i apply a thin coat of pvc glue to the bottom every year or two just to keep it from wear thru....
Its alot easier just to use a coil cover surely,also when it comes to selling your machine it also looks alot better as folks could be thinking what are you hiding any cracks or splits in the coil.If it was me looking at buying a used detector i would think twice about buying one with gunge on the coil.
nope...never coated a coil, or used any coil cover...I use them pretty hard and in all conditions and they dont seem to mind...
I can see where a guy might want to add 'bump rails' to the sides by zip tying on some rubber tubing if a fellow was hunting large rock areas in the dark, (Cupajo does this)..a guy certainly dont want to bang the sides of a coil against a hard object, but as far as the bottom, seems in general usage on sand, snow and sod, coils hold up just fine without any further protective cover...I suppose after a good many years of hard usage, eventually something will fail, we all know it will be the Phones before anything else...if a guy wears out a coil, that would take some doing, and hopefully he will be able to pay for a new one by cashing in some finds!...
Mud.
I can see where a guy might want to add 'bump rails' to the sides by zip tying on some rubber tubing if a fellow was hunting large rock areas in the dark, (Cupajo does this)..a guy certainly dont want to bang the sides of a coil against a hard object, but as far as the bottom, seems in general usage on sand, snow and sod, coils hold up just fine without any further protective cover...I suppose after a good many years of hard usage, eventually something will fail, we all know it will be the Phones before anything else...if a guy wears out a coil, that would take some doing, and hopefully he will be able to pay for a new one by cashing in some finds!...
Mud.
fowlercharles
Member
Hi 88junior, I agree with Mud on going coil- less, especially on anything over 7". The smaller coils are not so heavy but you would be surprised at how much more comfortable a larger coil is to swing without it's coil. Try it, you will like it, unless you are a young'un and haven't considered the extra weight. Makes a big difference if you are detecting for several hours! Seems to me any kind of goop on a coil would certainly not be of much value and would certainly add lots of weight. HH, Charlie
With some machines and localities I think a cover is very much appropriate. I run a XP Deus and the expensive coil is the detector; all the electronics and the battery are in the coil. I hunt it rocky ground much of the time and the weight of the cover is insignificant.
I wouldn't run it around here without a cover for long.
I wouldn't run it around here without a cover for long.
When I first started metal detecting I use to always use a coil cover but over the years I quit using them. I don't really "scrub" my coils against the ground while I search but for people who do(especially in rocky terrain)coil covers will protect the coil which may help bring better resale down the road. Nugget hunters are sometimes known as coil scrubbers because they are trying to get all the depth they can get to pick up the tiniest of nuggets. Mega B. brought up a good point with coating your coil...if you decide to sell people may think you were trying to cover up cracks?? Good hunting!
Randy
Randy
Like others here, i go coil coverless. Haven't had a problem and one less thing to clean but then again i don't hunt in rocky areas.
One good thing about not having a detector that uses an expensive smart coil, is if one of my eTRAC coils breaks, there's more where that one came from.
In the meantime i could use another one of my other 4 coils.
One good thing about not having a detector that uses an expensive smart coil, is if one of my eTRAC coils breaks, there's more where that one came from.
In the meantime i could use another one of my other 4 coils.
MarkCZ
Well-known member
I'm not big on coil covers and if I use them its to keep them nice if I want to resale them, I mean a cover can keep the bottom of the coil looking near new.
But they don't seal very well and so water and sand finds its way into them.
I found that a coil cover can be sealed with silicone, which can still be gotten apart.
Below is a coil in which it has a sealed on cover. I clean everything and make sure its all dry.
The coil was black and so I used black silicone.
I spread a little bead of it around the coil where the cover fits over it, but I held the bead low and pretty small.
When you slip the cover on it spread the silicone and pushes the excess up to the edge.
Fully seat the cover.
Then use something like a pop sickle stick to scrap around the seems before the silicone dries.
Let it set a day or so to cure and presto!
I forgot that I deleted the better pictures of the sealing job after I sold the coil. So, this is the best pic I have left. When I was done with this coil it didn't really look to have a cover on it, the open frame spider coils might take a little more time to do but its not hard to do.
Mark
But they don't seal very well and so water and sand finds its way into them.
I found that a coil cover can be sealed with silicone, which can still be gotten apart.
Below is a coil in which it has a sealed on cover. I clean everything and make sure its all dry.
The coil was black and so I used black silicone.
I spread a little bead of it around the coil where the cover fits over it, but I held the bead low and pretty small.
When you slip the cover on it spread the silicone and pushes the excess up to the edge.
Fully seat the cover.
Then use something like a pop sickle stick to scrap around the seems before the silicone dries.
Let it set a day or so to cure and presto!
I forgot that I deleted the better pictures of the sealing job after I sold the coil. So, this is the best pic I have left. When I was done with this coil it didn't really look to have a cover on it, the open frame spider coils might take a little more time to do but its not hard to do.
Mark
Yeah Mark, debris getting between the coil and cover was a big issue for me. If bad enough can even cause falses.
Years ago one day had some extreme falsing going on for no apparent reason. Then i noticed some weeds sticking out of the cover. When i pried the cover off, you would not believe the stuff that accumulated between the coil and cover.....damp weeds, a lot of soil, even tiny pebbles.
Right then and there i decided to do the adhesive thing but i had to hunt the rest of that day without the cover and never looked back.
Back then i always cleaned the cover itself after a detecting session but never thought to pry it off for cleaning. Lesson learned.
Far as resale, since i don't use covers they're all more or less brand new.
Years ago one day had some extreme falsing going on for no apparent reason. Then i noticed some weeds sticking out of the cover. When i pried the cover off, you would not believe the stuff that accumulated between the coil and cover.....damp weeds, a lot of soil, even tiny pebbles.
Right then and there i decided to do the adhesive thing but i had to hunt the rest of that day without the cover and never looked back.
Back then i always cleaned the cover itself after a detecting session but never thought to pry it off for cleaning. Lesson learned.
Far as resale, since i don't use covers they're all more or less brand new.
MarkCZ
Well-known member
Thanks,
But, it the past few days I've had some more experience with some other stuff that I think would be my coil coating of choice for the difficult coils like those used on the First Texas units like the F75/F70, you know the larger open frame ones like the 11" DD, I don't see how its would be possible to seal those covers, there is just to many corners and spaces to try and seal.
I've been using some of that slow set epoxy, the 90 minute type. You can use those little throw away brushes you know the ones for glue, you brush it out and it lays out very nicely, coats really good, dries smooth, and its pretty tuff too.
Here is my latest adventure with this stuff.
I just bought a 11" DD F75 coil and its an early version before they started putting external sealant on the seams of that little heel cover. Well I just sealed this one with the epoxy, I didn't use a brush for this, I used a wooden match stick with the end rounded off for an applicator.
This is the second project using the epoxy. The other project I'm using it to build up some plugs that join a railing for a powered stair chair, so I'm using a brush on that and it works great, it smooths right out with no brush marks at all, you do have to be careful not to puddle to much to control flow.
Mark
But, it the past few days I've had some more experience with some other stuff that I think would be my coil coating of choice for the difficult coils like those used on the First Texas units like the F75/F70, you know the larger open frame ones like the 11" DD, I don't see how its would be possible to seal those covers, there is just to many corners and spaces to try and seal.
I've been using some of that slow set epoxy, the 90 minute type. You can use those little throw away brushes you know the ones for glue, you brush it out and it lays out very nicely, coats really good, dries smooth, and its pretty tuff too.
Here is my latest adventure with this stuff.
I just bought a 11" DD F75 coil and its an early version before they started putting external sealant on the seams of that little heel cover. Well I just sealed this one with the epoxy, I didn't use a brush for this, I used a wooden match stick with the end rounded off for an applicator.
This is the second project using the epoxy. The other project I'm using it to build up some plugs that join a railing for a powered stair chair, so I'm using a brush on that and it works great, it smooths right out with no brush marks at all, you do have to be careful not to puddle to much to control flow.
Mark