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

[Michael L Blood]

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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