[C320-list] Lightning Storm Damage

[Bruce Stanley]

 Irv
Appreciate knowledge and the input.
If I stick to a double Scotch, will that help ;)

BruceStanley
Sydney

On Tue, Jun 17, 2008 at 1:33 PM, Irving Grunes <igrunes at gmail.com> wrote:

> Guys,
> When lightening strikes, it set up a huge expanding and contracting
> magnetic
> field much like the field that is used in generators to create electricity.
> There was the right hand rule,where the direction ogf the current causes
> the
> field to rotate around the direction of the current.
> This magnetic field is very large and when it expands and contracts,
> anything metallic or electronic that is in the proximity of the field
> expanding and contracting will get large voltages generated.
> The electronics do not have to be on whatever the lightening strikes, but
> only has to be in proximity of the large expanding and collapsing field to
> get destroyed.
> Surge protectors will only protect for the voltage surges that come over
> the
> power lines.  Those devices in the field of the strike gets cooked.
>
> So that even if someone has a lightening protector on top of the mast and a
> chain going to ground, the path of the high amperage will set off the field
> and cook whatever is close to it.  It will protect a person on the boat,
> but
> its the field that does the damage.
>
> Irv Grunes
> #851
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
> On Mon, Jun 16, 2008 at 9:04 PM, Stephen Cox <scox at timmin.com> wrote:
>
> > There's only ways to reduce the possibility of a lightning strike and
> > possibly the effects of a nearby one.  The energy involved will just
> > totally
> > swamp the normal "surge protectors".  If a boat nearby is struck the
> > possibility of damage on boats around it are very high.
> >
> >
> > Stephen Cox
> > Tegwen C320 1141
> >
> > >
> > > Quentin
> > > Not 100% sure in your case, but downunder "surge protector"
> > > are available and usually they are built into each individual
> > > Marina power supply (one for each slip). Additionally, I have
> > > a separate one (touch larger than the size on a computer
> > > Mouse) for this purpose as well. We are on 240v supply and
> > > our need is greater than yours at 110v.
> > >
> >
> >
>