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#1
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Spotted on UK d-i-y
Might be of interest to some here?
"Decided to make an electric slug fence yesterday, after my new autumn crocus shoots got eaten for the second night in a row. http://www.facebook.com/photo.php?pi...&id=1619546457 http://www.facebook.com/photo.php?pi...&id=1619546457 No slug damage this morning! -- Andrew Gabriel [email address is not usable -- followup in the newsgroup] " A well thought out and executed solution IMHO. Bob |
#2
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Spotted on UK d-i-y
"Bob Minchin dangling via a dongle" wrote in message ... Might be of interest to some here? "Decided to make an electric slug fence yesterday, after my new autumn crocus shoots got eaten for the second night in a row. http://www.facebook.com/photo.php?pi...&id=1619546457 http://www.facebook.com/photo.php?pi...&id=1619546457 No slug damage this morning! A well thought out and executed solution IMHO. But can you pee on it? Tim W |
#3
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Spotted on UK d-i-y
"Tim W" wrote in message om... "Bob Minchin dangling via a dongle" wrote in message ... Might be of interest to some here? "Decided to make an electric slug fence yesterday, after my new autumn crocus shoots got eaten for the second night in a row. http://www.facebook.com/photo.php?pi...&id=1619546457 http://www.facebook.com/photo.php?pi...&id=1619546457 No slug damage this morning! A well thought out and executed solution IMHO. But can you pee on it? lolol |
#5
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Spotted on UK d-i-y
Granity wrote:[color=blue][i] 'Ophelia[_4_ Wrote: ;865879']"Tim W" wrote in message om...- "Bob Minchin dangling via a dongle" wrote in message ... Might be of interest to some here? "Decided to make an electric slug fence yesterday, after my new autumn crocus shoots got eaten for the second night in a row. http://tinyurl.com/yah6g95 http://tinyurl.com/y9wgumz No slug damage this morning! A well thought out and executed solution IMHO. - Very nice but no good to us without the circuit diagram so we can make one as well. My thoughts too. Also sourcing the capping. -- Pete C London UK |
#6
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Spotted on UK d-i-y
On Tue, 29 Sep 2009 19:53:54 +0100, Granity wrote:
Very nice but no good to us without the circuit diagram so we can make one as well. Circuit diagram! It's not complicated... ah you've not seen the original thread over in uk.d-i-y... earth stake battery resistor led capping. The capping can be bought from any electrical wholesalers. begin In article , Colin Wilson o.uk writes: Decided to make an electric slug fence yesterday, after my new autumn crocus shoots got eaten for the second night in a row. No slug damage this morning! Hehehehe how are you powering it, can't quite tell from the pics PP3 (9V) battery, in series with a 470 ohm resistor and a high efficiency LED (plus the earth rod resistance). The LED lights to tell you there's some leakage current (high efficiency one means you can see even fraction of a milliamp leakage at night). It flashes quite brightly when a slug touches the contact. Given the dramatic effect on a couple of slugs and a snail which I saw approch it last night, I suspect a much lower voltage would work fine too. It's probably not safe to use such a scheme if you have livestock nearby, due to their vulnerability to very low earth leakages. Construction is 25mm PVC conduit with 12mm galvamised capping screwed to the top. The profile of the capping is perfect for rain water shedding from the top. I tried a deluge from a watering can rose, and even that didn't cause the LED to light. Just touching the rail whilst kneeling on the ground generates enough current to light the LED though. Water droplets bead on the surface of the PVC, so it won't conduct. It might be that it needs lifting and wiping clean occasionally to maintain this, but I haven't had it deployed for long enough to know yet. Ground needs to be very level. I filled in a couple of dips under the fence with some old building sand. A couple of tiny slugs appeared inside the area, presumably sleeping inside the fence when it was positioned. After removal, no more were seen inside. I'll keep an eye out over the next few nights. Can easily test the battery just by touching the rail and ground with a hand. Operation probably requires that the area stays damp, but a) that's needed for the plants anyway, and b) slugs don't tend come out when the ground is very dry. -- Andrew Gabriel [email address is not usable -- followup in the newsgroup] end -- Cheers Dave. |
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