You know, if you guys would Google magnetic deviation between north and south poles, you would get your answer in about two seconds. Ken Jones is the only one who has come close to why they are made different. Thanks Ken for letting everyone know the difference. Now lets move on to better KR subjects.
Mark Jones (N886MJ) Wales, WI Visit my web site: www.flykr2s.com E-mail: flyk...@wi.rr.com ----- Original Message ----- From: "D F Lively" <riksh...@interl.net> To: "KRnet" <kr...@mylist.net> Sent: Tuesday, August 08, 2006 5:45 PM Subject: Re: KR> Precision Vertical Card Compass - Northern VS Southern > Ken: > > What you are saying is that it is "Dip Correction" that is the problem and > that I might accept as I can see how it might interfere with the free > swing of > the needle, something that I am certain commercial aircraft compasses > have > accomodated by using a more expensive design. Lets face it the number of > general Aviation craft that would venture far out of their hemisphere > would be > few and not worth installing the more expensive compasses. > > Don > ------------------------------------------------------------------------ > > "Kenneth B. Jones" wrote: > >> "An interesting detail is that there are northern- and >> southern-hemisphere >> compasses. This has to do with the fact that the magnetic field lines, to >> which a compass needle aligns, point into the earth at the north and >> south >> magnetic poles. In the northern hemisphere the north end of the needle is >> pulled downwards, and the south end is counterweighted to balance the >> needle." >> >> Now doesn't that make more sense than the the needle spinning around and >> around when you cross the equator? :-) >> >> Ken Jones >> >> _______________________________________ >> Search the KRnet Archives at http://www.maddyhome.com/krsrch/index.jsp >> to UNsubscribe from KRnet, send a message to krnet-le...@mylist.net >> please see other KRnet info at http://www.krnet.org/info.html > _______________________________________ > Search the KRnet Archives at http://www.maddyhome.com/krsrch/index.jsp > to UNsubscribe from KRnet, send a message to krnet-le...@mylist.net > please see other KRnet info at http://www.krnet.org/info.html