[Rhodes22-list] Limit of Positive Stability

[Rob Lowe]

Dave,
I expect that's the case.  With the lead keel and flared hull, it's pretty
hard to invert.  I seen stories on this list of boats getting knocked down
by 50 knot gusts of wind, but the always bounce back up.  There's a cat on
our lake and we noticed it's got a foam "football" on the top of his mast to
keep him from turtling when he flips. - rob

----- Original Message ----- 
From: "David Bradley" <dwbrad at gmail.com>
To: "The Rhodes 22 mail list" <rhodes22-list at rhodes22.org>
Sent: Friday, August 10, 2007 2:17 PM
Subject: Re: [Rhodes22-list] Limit of Positive Stability


> Rob, John, thanks.
>
> The example I saw was for a boat with 120 degree LPS, which would mean
that
> if the boat were to roll past 90 degrees, i.e., have the mast partially
> submerged, it would roll and stay inverted.  I wonder if the flared hull
> combined with floation makes it impossible for our boat to fully invert?
>
> Dave
>
>
> On 8/10/07, Rob Lowe <rlowe at vt.edu> wrote:
> >
> > Dave,
> > I don't believe it's applicable to our boats.  I believe the only
mention
> > that I can recall (from being on this list) of a R22 being flipped was
by
> > a
> > hurricane.  The only reason it remained flipped was because the mast was
> > stuck in the mud which prevented her from righting.  Several incidences
of
> > taking on water, but no turtling.  If anyone would turtle, it would be
> > Rummy,  and he's still with us. - rob
> >
> > ----- Original Message -----
> > From: "David Bradley" <dwbrad at gmail.com>
> > To: "The Rhodes 22 mail list" <rhodes22-list at rhodes22.org>
> > Sent: Friday, August 10, 2007 1:30 AM
> > Subject: [Rhodes22-list] Limit of Positive Stability
> >
> >
> > > There was a discussion a short while ago about examples of R22s being
> > > knocked over by unusually strong winds and self-righting.  A sailing
> > coach
> > I
> > > was taking with the other day asked what the LPS (limit of positive
> > > stability) is for our boat.  Wikipedia defines that as the angle
beyond
> > > which a boat will completely invert (keel up).  Does anyone know what
> > that
> > > is for our boat?
> > >
> > > Dave
> > > __________________________________________________
> > > Use Rhodes22-list at rhodes22.org, Help? www.rhodes22.org/list
> >
> >
> > __________________________________________________
> > Use Rhodes22-list at rhodes22.org, Help? www.rhodes22.org/list
> >
>
>
>
> -- 
> David Bradley
> +1.206.225.7793
> dwbrad at gmail.com
> __________________________________________________
> Use Rhodes22-list at rhodes22.org, Help? www.rhodes22.org/list