Re: Need help for a magnetic needle in Australia
Tony Vining (TVining@usa.net)
Mon, 14 Jul 1997 18:03:50 -0500
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At 08:35 8/07/97 -0700, you wrote:
>Hi:
>
>A friend of me will be in Australia for a especial event that will need =
a
>magnetic needle, and in the infromation he received, it say he must get =
a
>special magnetic needle, something about a type 5.
I am going to jump in here for a second. If I am off my rocker, just =
slap me.
If we are making our own compass, they do mean a size 5, a rather hearty =
needle.
>Do you know if this magnetic needle is special, I mean different to =
the
>ones we get in a store? and if it is diferent, can you help me to know
>where we can get it?
Again, if we are building our own, yes, stroking a magnet across the =
needle will magnetize it, and when floated in water, the south end of =
the magnet points direct North. =20
IF YOU CHOOSE TO READ ON, ENSURE YOU HAVE SOME CHEAP, 30cent COMPASSES =
available, DON'T DO THIS WITH YOUR SCOUT COMPASSES, OR YOUR SCOUT'S =
COMPASS!!!!!
Now, if you want to talk regular COMPASS needles, one thing you can do =
in an orienteering class is take one of the compasses (Compai?) and put =
the North end of a magnet over the south end of the needle, pulling it =
to the top. QUICKLY, (and I DO mean Quickly!) run the magnet over the =
needle, towards the NORTH end of the needle. This will remagnatize the =
needle, and the North end of the needle will now point North. (It is =
supposed to point South.) Ensure that you have the groups do a small =
excercise ahead of the orienteering course, so they notice the one wrong =
compass. They learn teamwork, and you can then lead into watching =
stars, etc as an aid in orienteering.
YiS
Tony
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At 08:35 8/07/97 -0700, you wrote:
>Hi:
>
>A friend of me will be in Australia for a especial event that will =
need=20
a
>magnetic needle, and in the infromation he received, it say he must =
get=20
a
>special magnetic needle, something about a type 5.
I am going to jump in here =
for a second.=20
If I am off my rocker, just slap me.
If we are making our own compass, they do mean a =
size 5, a=20
rather hearty needle.
>Do you know if this magnetic needle is special, I mean =
different to=20
the
>ones we get in a store? and if it is diferent, can you help me to =
know
>where we can get it?
Again, if we are building =
our own, yes,=20
stroking a magnet across the needle will magnetize it, and when floated =
in=20
water, the south end of the magnet points direct North.
IF YOU CHOOSE TO READ ON, =
ENSURE YOU=20
HAVE SOME CHEAP, 30cent COMPASSES available, DON'T DO THIS WITH YOUR =
SCOUT=20
COMPASSES, OR YOUR SCOUT'S COMPASS!!!!!
Now, if you want to talk =
regular COMPASS=20
needles, one thing you can do in an orienteering class is take one of =
the=20
compasses (Compai?) and put the North end of a magnet over the south end =
of the=20
needle, pulling it to the top. QUICKLY, (and I DO mean Quickly!) run =
the magnet=20
over the needle, towards the NORTH end of the needle. This will =
remagnatize the=20
needle, and the North end of the needle will now point North. (It is =
supposed=20
to point South.) Ensure that you have the groups do a small excercise =
ahead of=20
the orienteering course, so they notice the one wrong compass. They =
learn=20
teamwork, and you can then lead into watching stars, etc as an aid in=20
orienteering.
YiS
Tony
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