We have a few magnetic anomalies around here, I know not to put Otto in charge anywhere near them. Most are on the charts. Some are scary finding them.
Jim Watts Paradigm Shift C&C 35 Mk III Victoria, BC On 2 November 2014 19:05, Rick Brass via CnC-List <cnc-list@cnc-list.com> wrote: > Good rule, Dennis. > > > > The bridge is, of course, iron and will alter the magnetic field seen by > your compass to some greater or lesser extent, depending on the amount of > iron and the proximity to your fluxgate compass. > > > > I was sitting next to the tiller pilot on my 25 one night, and had my car > keys in my hip pocket. When I got up to look at a channel marker I was > passing near, the boat changed course rapidly. Suddenly I was not just > “close to” the mark, my standing rigging was tangled in it. > > > > It was a very expensive lesson in just how sensitive those little fluxgate > compasses can be. > > > > > > Rick Brass > > Washington, NC > > > > > > > > *From:* CnC-List [mailto:cnc-list-boun...@cnc-list.com] *On Behalf Of *Dennis > C. via CnC-List > *Sent:* Sunday, November 02, 2014 9:25 PM > *To:* CnClist > *Subject:* Stus-List Autopilot Gremlin - Caution! > > > > Just a caution for those who regularly use an autosteerer. The Admiral > and I were using the wheelpilot (Simrad WP30) as we passed under the > Dauphin Island last weekend on our way to Pensacola. > > In the middle of the bridge, the wheelpilot went bonkers and steered hard > to starboard. Luckily I was right there and disengaged it before we hit > the fenders guarding the passage. > > No idea what caused it. Underground cables, gremlins, space aliens, > etc.????? There was a line of overhead power cables but they were about a > tenth of a mile behind us. > > All I know is new rule for the boat now. No autosteering through a bridge. > > Dennis C. > > Touche' 35-1 #83 > > Mandeville, LA > > _______________________________________________ > This List is provided by the C&C Photo Album > > Email address: > CnC-List@cnc-list.com > To change your list preferences, including unsubscribing -- go bottom of > page at: > http://cnc-list.com/mailman/listinfo/cnc-list_cnc-list.com > > >
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