Rare Earth Magnets
- Thread starter Goldbuzzhashit
- Start date
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malri_au
Steve
PM,we're getting into inventor territory.
condor22
Mike
I have a rare earth magnet screwed to the end of each of my pick handles (1 smaller pick and the bigger one for deeper digging).
I generally carry the pick in a leather holster on my harness, but sometimes over the shoulder.
Under normal circumstances I carry my wallet in a front trouser pocket, but when out detecting I leave my wallet behind, cos it has all my debit cards as well as others with magnetic swipe facilities.
Reason; if you get a rare earth magnet too close to your cards, they can scramble if not wipe the card data strip. Not a good thing to occur when you next go to a servo, fill up and can't pay for the fuel
Re keeping the magnet clean, I've seen some use them in pill bottles, or the "old" plastic 35mm film containers. Wrapped in Glad Wrap and a rubber band, even seen one on the pick handle with a Condom covering it.
Regardless of being on the pick blade, pick handle or in a container in a pocket, don't get them too close to plastic cards or other sensitive devices, i.e. mobile phones, laptops, etc. That cheap little magnet can cause very expensive damage.....
Edit..... If the area is very "junky" in particular ferrous, throw a DD on and discriminate
I generally carry the pick in a leather holster on my harness, but sometimes over the shoulder.
Under normal circumstances I carry my wallet in a front trouser pocket, but when out detecting I leave my wallet behind, cos it has all my debit cards as well as others with magnetic swipe facilities.
Reason; if you get a rare earth magnet too close to your cards, they can scramble if not wipe the card data strip. Not a good thing to occur when you next go to a servo, fill up and can't pay for the fuel
Re keeping the magnet clean, I've seen some use them in pill bottles, or the "old" plastic 35mm film containers. Wrapped in Glad Wrap and a rubber band, even seen one on the pick handle with a Condom covering it.
Regardless of being on the pick blade, pick handle or in a container in a pocket, don't get them too close to plastic cards or other sensitive devices, i.e. mobile phones, laptops, etc. That cheap little magnet can cause very expensive damage.....
Edit..... If the area is very "junky" in particular ferrous, throw a DD on and discriminate
malri_au said:
The bigger they are the harder they hurt to buy - but what about rechargeable lithium ion cells ( big one will run a pump non-stop for 16 or more hours and fit in your pocket, while still being low enough Wh (e.g. 80) to be allowed in an aircraft....). I recharge them solar or from 4x4 socket.
malri_au
Steve
they wont let me at the nuclear option,so yeah lithium ion is the goto atm.
condor22 said:I have a rare earth magnet screwed to the end of each of my pick handles (1 smaller pick and the bigger one for deeper digging).
I generally carry the pick in a leather holster on my harness, but sometimes over the shoulder.
Under normal circumstances I carry my wallet in a front trouser pocket, but when out detecting I leave my wallet behind, cos it has all my debit cards as well as others with magnetic swipe facilities.
Reason; if you get a rare earth magnet too close to your cards, they can scramble if not wipe the card data strip. Not a good thing to occur when you next go to a servo, fill up and can't pay for the fuel
Re keeping the magnet clean, I've seen some use them in pill bottles, or the "old" plastic 35mm film containers. Wrapped in Glad Wrap and a rubber band, even seen one on the pick handle with a Condom covering it.
Regardless of being on the pick blade, pick handle or in a container in a pocket, don't get them too close to plastic cards or other sensitive devices, i.e. mobile phones, laptops, etc. That cheap little magnet can cause very expensive damage.....
Edit..... If the area is very "junky" in particular ferrous, throw a DD on and discriminate
A point i made separately in my blog on magnetism and mineral identification on this site - yes, I have to swipe now, my chip is cactus (and I thought I was careful)
malri_au
Steve
btw,about the batteries and voltage out,what I meant was,we're limited to a manufacturers design,as to how much transmit power something has.
the modded detectors,or heck even getting a 7.4v battery over the standard 6v one on this sd2000 I have.
http://www.minelabmods.com/joomla3/index.php/forum/2-general-discussion/1232-sd2000-battery-help
haven't done it yet,i can't afford to melt it out,so it can wait till i at least have a decent backup PI.
the modded detectors,or heck even getting a 7.4v battery over the standard 6v one on this sd2000 I have.
http://www.minelabmods.com/joomla3/index.php/forum/2-general-discussion/1232-sd2000-battery-help
haven't done it yet,i can't afford to melt it out,so it can wait till i at least have a decent backup PI.
malri_au
Steve
intriguing that some have said it'll go to 8.5v too,i'm not that keen yet though.
malri_au
Steve
the gpz7000 is only 7.2v,well bugger me,that's interesting...
gpx 5000
7.4V, up to 8.4V when fully charged.
Maximum discharge current is 1A.
gpx 5000
7.4V, up to 8.4V when fully charged.
Maximum discharge current is 1A.
malri_au
Steve
now say we start talking a VLF like my bounty hunter quickdraw,it uses 2 x 9v.
now i'm not sure if those are in series,or parallel.I would assume series for longer usage and the fact minelabs baddy is only pushing 7.2v.
now i'm not sure if those are in series,or parallel.I would assume series for longer usage and the fact minelabs baddy is only pushing 7.2v.
Very interesting thanks condor22, I'll try a DD coil as well. :Y:condor22 said:I have a rare earth magnet screwed to the end of each of my pick handles (1 smaller pick and the bigger one for deeper digging).
I generally carry the pick in a leather holster on my harness, but sometimes over the shoulder.
Under normal circumstances I carry my wallet in a front trouser pocket, but when out detecting I leave my wallet behind, cos it has all my debit cards as well as others with magnetic swipe facilities.
Reason; if you get a rare earth magnet too close to your cards, they can scramble if not wipe the card data strip. Not a good thing to occur when you next go to a servo, fill up and can't pay for the fuel
Re keeping the magnet clean, I've seen some use them in pill bottles, or the "old" plastic 35mm film containers. Wrapped in Glad Wrap and a rubber band, even seen one on the pick handle with a Condom covering it.
Regardless of being on the pick blade, pick handle or in a container in a pocket, don't get them too close to plastic cards or other sensitive devices, i.e. mobile phones, laptops, etc. That cheap little magnet can cause very expensive damage.....
Edit..... If the area is very "junky" in particular ferrous, throw a DD on and discriminate
WELLLLLLL That only took 6 freaking weeks for them to arrive frim China??!!
I ordered these magnets online on the 5th Feb and waited and waited, then I began to doubt whether I had actually ordered them at all as I couldnt find an email saying where I'd ordered them from. :|
Then decided I'd had another mad moment and hadn't actually bought any at all and gave up waiting for them.
Ta freaking daaa they show up today, I've been playing with them and I've broken the thin rectangle ones already, as they smashed into the bigger one. Didn't mean too, they're just out of control. Amazing things, magnets.
I'll try some magnet fishing in our creek and dam and attach a couple to my rake and pick and see how it all goes.
I cant remember what the pull is on any of these magnets either but it dosen't matter. Nice surprise in the mail today, lol
I ordered these magnets online on the 5th Feb and waited and waited, then I began to doubt whether I had actually ordered them at all as I couldnt find an email saying where I'd ordered them from. :|
Then decided I'd had another mad moment and hadn't actually bought any at all and gave up waiting for them.
Ta freaking daaa they show up today, I've been playing with them and I've broken the thin rectangle ones already, as they smashed into the bigger one. Didn't mean too, they're just out of control. Amazing things, magnets.
I'll try some magnet fishing in our creek and dam and attach a couple to my rake and pick and see how it all goes.
I cant remember what the pull is on any of these magnets either but it dosen't matter. Nice surprise in the mail today, lol
Flowerpot said:WELLLLLLL That only took 6 freaking weeks for them to arrive frim China??!!
I ordered these magnets online on the 5th Feb and waited and waited, then I began to doubt whether I had actually ordered them at all as I couldnt find an email saying where I'd ordered them from. :|
Then decided I'd had another mad moment and hadn't actually bought any at all and gave up waiting for them.
Ta freaking daaa they show up today, I've been playing with them and I've broken the thin rectangle ones already, as they smashed into the bigger one. Didn't mean too, they're just out of control. Amazing things, magnets.
I'll try some magnet fishing in our creek and dam and attach a couple to my rake and pick and see how it all goes.
I cant remember what the pull is on any of these magnets either but it dosen't matter. Nice surprise in the mail today, lol
https://www.prospectingaustralia.com/forum/img/member-images/11771/1521263168_image.jpg
https://www.prospectingaustralia.com/forum/img/member-images/11771/1521263169_image.jpg
FP, do you have a special use planned for them, or did you get them just on spec for possible uses? We need to remember that these "are earth magnets" are made from an alloy of special materials and the more powerful they are the more brittle they are.
Rob P
