[Rhodes22-list] Foredeck support bracket

[jimtracyjohnston at centurytel.net]

Out 1986 R-22 has the mast bracket on top of the cabin supported by a 
solid post in the cabin that is the end of the wall between the head 
area and galley. The bottom of the support post set on the 3/4" plywood 
floor. In our boat there is an inspection cover which is part of the 
floor over the centerboard trunk. When I lifted the inspection cover I 
could see the area of the floor under the mast support post was being 
pushed down and had an obvious bow (curve) in the floor.  Under this 
section of the floor is the shallow keel which is weighted with, what 
looks like, cement.  I glued two pieces of treated 2x4-6 together and 
made a additional brace that I forced in under the bowed floor.  The 
top was flat to fit under the floor with short sides and the bottom 
rounded to fit the area over the keel area.  This modification was 
completed easily and inexpensively.  Did it work?  I don't know. I only 
sailed a handful of times and my centerboard was pushed up through the 
trunk cap.  The cap has 101 (plus of minus) nuts and bolts holding the 
cap to the CB trunk flange.  I made temporary repairs to the CB cap 
with an inadequate gasket and was more concerned with sinking than 
sagging until I could get my boat out for the winter.  So, check the 
base of your mast support to see if there is any compromise in the 
floor under the support.  Good Luck

Quoting hnw555 at gmail.com:
> Andrew,
>
> Boats flex and move. IMHO .25 inch is nothing to worry about. 
>
> Hank
> Sent from my Verizon Wireless BlackBerry
>
> -----Original Message-----
> From: "Andrew Collins" <sailingvesselcarmen at gmail.com>
>
> Date: Wed, 31 Dec 2008 17:12:19
> To: The Rhodes 22 Email List<rhodes22-list at rhodes22.org>
> Subject: Re: [Rhodes22-list] Foredeck support bracket
>
>
> Herb
>
> Yes, the 'sandwich' of gelcoat, core and cabin liner move as one. The core
> is wood. The aft inner corners of the interior hatch trim frames move down
> under compression and back up for winter storage. 
>
> Andrew
>
> On Wed, Dec 31, 2008 at 4:52 PM, Herb Parsons <hparsons at parsonsys.com>wrote:
>
> > Andrew,
> >
> > Can you see compression of the ceiling inside the cabin? By this I mean,
> > is it possible that the .25" you're seeing is the gelcoat only
> > compressing, and not the entire fiberglass shell?
> >
> > I would look to see if the ceiling is compressing as well. If not, my
> > suspicions would lie with your core material in the fiberglass, in which
> > case shoring up your compression post won't do anything for you. 
> >
> >
> > Andrew Collins wrote:
> > > The foredeck, concretely the area forward of the mast binnacle which in
> > my
> > > '86 (recycled 2006) depresses about .25" as soon as the mast is raised. 
> > > There is a hatch on both the port and starboard sides. The port hatch was
> > > there in '06, the starboard one was added in '06. My feeling is the arch
> > > formed by the top of the cabin trunk has been weakened a bit by the
> > removal
> > > of the material which allowed the installation of the hatches. 
> > > More info:  no cracking of the gelcoat or cabin liner is evident; to
> > casual
> > > observation my 200+ lbs weight on the spot between the hatches causes no
> > > additional deflection; the depressed spot returns to the original shape a
> > > few days after stepping the mast; on this boat the compression post is
> > aft
> > > and to port of the mast step. 
> > >
> > > My bright idea is to make a wooden bracket jig (later to be duplicated in
> > > stainless steel) that would attach under the mast step  and on the
> > > compression post. This diagonal member would be about 8-10" long and have
> > > plates at both under the deck and at the compression post to allow for
> > the
> > > generous use of screws. This will interfere with the head curtain, which
> > > could be lowered. 
> > >
> > > Has anyone had a similar problem? Since the flexing seems to be within
> > the
> > > limits of what the structure can take, i.e. it is not permanent and no
> > > damage results, is the brighter idea to do nothing?
> > >
> > > Andrew
> > > sv Carmen
> > > __________________________________________________
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> > >
> > >
> > >
> > >
> >
> > --
> > Herb Parsons
> >
> >
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