[Rhodes22-list] self righting factors

Thu Aug 23 14:19:21 EDT 2012

I would guess that a moored or anchored boat will behave differently than
one under sail, also.

Hank

On Thu, Aug 23, 2012 at 2:11 PM, Mary Lou Troy <mtroy at atlanticbb.net> wrote:

> Hi richard,
> The definition of self righting that I have seen most often says that
> if a boat rolls completely, it will right itself again. My guess is
> that a properly sealed up R22 would self right if it was in deep
> enough water so that the mast would not catch on the bottom (more than 30
> ft.)
>
> The right (or wrong) combination of wind and waves will capsize any
> boat. In the capsize I mentioned (I really have to find time to dig
> out that account) I remember Paul described strong winds pushing a
> wall of water from the stern quarter (they had no time to react) and
> the combined wind and waves were what capsized his boat. If I
> remember correctly, reports from the area had winds in excess of 90
> mph. In Joe's case, the companionway hatch blew out and the interior
> may well have filled with water when wind laid the boat on her side.
> A turtled Rhodes 22 may stay turtled due to the mast sticking in the
> mud in the shallow areas many of us sail in but won't sink due to the
> flotation. It has been hypothesized that a turtled R22 might stay
> turtled due to the weight of water in the IMF mast but I don't recall
> any actual accounts of that happening.
>
> I think under most severe conditions, a R22 will behave as you
> describe. In hurricane force winds or a tornado, that may not be the case.
>
> Best,
> Mary Lou
> R22 Fretless
> Rock Hall, MD
>
>
> At 12:35 PM 8/23/2012, you wrote:
> >What's going on? I thought my Rhodes 22 was self righting. Self
> >righting means that in even the strongest wind it will blow over 90
> >degrees but not roll. It's supposed to stay at 90 degrees until the
> >wind lets up and then right itself. A couple of weeks ago I was
> >caught in a front moving in and it blew about 35 knots. I let all
> >sail free and with that I was heeling at about 45 degrees. It didn't
> >go down all the way and as soon as I got the sail in, no problem. It
> >seems that when the flare of the hull digs in the boat stiffens up.
> >What happens to make it roll? The only thing I can think of  is if
> >the vessel is held by the wind with the mast in the water so that
> >water can somehow enter the cabin then it loses its stability and
> >has only the flotation to keep it from sinking and this would allow
> >it to turn turtle. I know some catamarans use a flotation device at
> >the top of the mast to stop the mast going to the bottom but the
> >weight in the keel is supposed to do that in a self r!
> >  ighting vessel, unless the interior fills with water. Am I right on
> this?
> >
> >-----Original Message-----
> >From: rhodes22-list-bounces at rhodes22.org
> >[mailto:rhodes22-list-bounces at rhodes22.org] On Behalf Of
> >rhodes22-list-request at rhodes22.org
> >Sent: Thursday, August 23, 2012 12:01 PM
> >To: rhodes22-list at rhodes22.org
> >Subject: Rhodes22-list Digest, Vol 2960, Issue 1
> >----------------------------------------------------------------------
> >
> >Message: 1
> >Date: Wed, 22 Aug 2012 09:02:43 -0700 (PDT)
> >From: Joe Camp <jjcampjr at yahoo.com>
> >Subject: Re: [Rhodes22-list] Advise me
> >To: The Rhodes 22 Email List <rhodes22-list at rhodes22.org>
> >Message-ID:
> >         <1345651363.78003.YahooMailNeo at web130202.mail.mud.yahoo.com>
> >Content-Type: text/plain; charset=iso-8859-1
> >
> >Mary Lou:
> >
> >? ? ?I think you really have the solution here in considering the
> >flared hull as a potential (or the most likely)
> >reason for these roll-overs... or mine, anyway.
> >
> >? ? ?I have noted how tender the boat is when motoring with the
> >tiller locked. ?The boat cannot maintain a straight course if I am
> >moving about the cabin. ?Of course, I am 230 pounds, and that's more
> >ballast to adjust the course, but I have learned to steer the boat
> >by changing my position (even slightly) in the cockpit. ?My good
> >sailing friend has a McGregor 25 and he has more "wetted surface"
> >?(to borrow a term from Stan). ?He can lock his tiller and wander
> >fore and aft and beam to beam yet still maintain his basic course.
> >He is more stable and takes more wind to heel the boat. ?Our keel
> >weights are about the same. ?In the event that flipped my boat, his
> >moored just a hundred feet away, didn't have a cushion out of place.
> >True, this could be due in part to the nature of the weather event
> >itself, but still telling as to the side to side stability issue.
> >?BNy the way, the integrity of my mast has been compromised by being
> >buried in the bottom
> >  mud. Looks like a new mast is in the picture. ?Ah well, you've got
> > to have stories to call yourself a sailor. ?Aye, mates??
> >
> >
> >? ??
> >Joe Camp
> >s/v John Dawson
> >Bohemia River, MD
> >
> >
> >
> >
> > >________________________________
> > > From: Mary Lou Troy <mtroy at atlanticbb.net>
> > >To: The Rhodes 22 Email List <rhodes22-list at rhodes22.org>
> > >Sent: Tuesday, August 21, 2012 8:50 PM
> > >Subject: Re: [Rhodes22-list] Advise me
> > >
> > >I think any small relatively unballasted boat would be more at risk
> > >on a mooring. Our boats also have a fair amount of windage with the
> > >IMF and the flared hull. In a strong wind the poptops are probably
> > >also a liability unless well secured. I've never felt unsafe at
> > >anchor and we've been anchored in some pretty high winds but they
> > >were of short duration and our anchorages are typically more
> > >protected than most mooring fields.
> > >
> > >Somewhere I saw it noted that with the warming climate, the world is
> > >a windier place. That certainly seems true here on the Chesapeake
> > >(though not today).
> > >
> > >Mary Lou
> > >1991 R22 Fretless
> > >Rock Hall, MD
> > >
> > >
> > >At 06:13 PM 8/21/2012, you wrote:
> > >>Lack of a deep heavy keel is definitely a contributing factor.
> > >>
> > >>Stephen
> > >>
> > >>Sent from my iPhone
> > >>
> > >>On Aug 21, 2012, at 5:04 PM, Joe Camp <jjcampjr at yahoo.com> wrote:
> > >>
> > >> > "Luck of the draw."? Yeah, odd that so many R-22s flipp like
> > >> this.? It must be the global warming... er ah, "climate change"
> > >> R-22 effect.? Was this in Al Gore's movie?
> > >> >
> > >> > Joe
> > >> >
>
> __________________________________________________
> To subscribe/unsubscribe go to
> http://www.rhodes22.org/mailman/listinfo/rhodes22-list
>
> For the list Charter and help with using the mailing list and archives go
> to http://www.rhodes22.org/list
> __________________________________________________
>