[meteorite-list] "not the best place to hunt meteorites"

From: Michael L Blood <mlblood_at_meteoritecentral.com>
Date: Fri, 22 Feb 2008 05:24:31 -0800
Message-ID: <C3E40D0F.142F7%mlblood_at_cox.net>

Everyone: beware when taping ducks!
        Michael

on 2/21/08 1:53 PM, Lasse Lindh at 3l at comhem.se wrote:

> Thanks Mike
>
> It's no problem that the magnets should attract each other and cause
> collisions. Mine is very strong and will sit tightly on the metal bar
> with 140 lbs pressure. Sideways they are quite weak. I also secure them
> with duck tape. Not so much to secure them, but as a pure protection
> against wear and tear.
>
> It's an interesting complement tool to metal detectors and properly used
> it can surely vacuum the surface of meteorites, at least the ones with
> metal content. We have to find a way to hunt those that are
> non-metallic. That's a challenge...
>
> Regards
>
> Lasse
>
>
> Michael Murray skrev:
>> Hi Lasse, List
>> Very nice rake. I had something like that in mind before my magnets
>> arrived. Once in hand though, I lost my nerve to place them so close
>> to each other. It was just real spooky and so i rethought the design
>> and the divided wing setup you see in the picture won out. You may
>> have worked it out on yours though and so not the worry.
>> I should explain why i use the magnets right down on the ground and
>> how that works. Having them ride right down on the top of the ground
>> doesn't really mean they are actually dragging along. In the first
>> few seconds they are moving, small gravels have already attached
>> themselves to the bottom of the magnets. The magnet actually is
>> riding up on top of these stones. So you will normally see the
>> magnets about a 1/2" off the ground. As you continue to move the
>> magnet, those same small stones that have collected underneath start
>> to work their way to the trailing edge, up the edge and finally up on
>> top of the magnet. They will ride up there as long as you do not let
>> the magnet slap on the ground real hard which may dislodge some of
>> them. I usually drag the cane or the rake until I see that the
>> magnets just simply can't hold anymore magnetized material on top.
>> Then I stop and clean it off and go again. One important thing to
>> note about cleaning the magnets off is that you can pick up some very
>> sharp nasty little things like fish hooks. One would be well advised
>> to wear gloves during this cleaning off part, and then you want to be
>> a little careful. I even found a cactus thorn mixed in with the small
>> rocks when cleaning off the cane on time. It took a while for that to
>> quit hurting.
>> I am glad to know there are others out there with the same ideas for
>> hunting. Thanks for sharing the picture of the rake. I hope you have
>> great success and find some really cool stones.
>>
>> All the Best
>> Mike in CO
>>
>>
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Received on Fri 22 Feb 2008 08:24:31 AM PST