[Rhodes22-list] Cabin Roof Plate

Tue May 5 10:00:54 EDT 2015

Never screw a breakaway plate fastener directly into epoxy.  If the solid
wood core of the R22 has rot, penetrating epoxy may do the trick but drill
out a larger hole and seat the fastener in 3M 4200.

Rick

On Mon, May 4, 2015 at 6:00 PM, The Rhodes 22 Email List <
rhodes22-list at rhodes22.org> wrote:

> James is right that an epoxy plug might pull out with the screw leaving a
> larger hole to repair but that is child's play compared to repairing a deck
> where water has made its way into the core. That is a massive job. Water
> reaching the core is particularly important where the core is wood. Foam
> core will not rot so in that case sealant might be sufficient but,
> personally,  I still would want to avoid water in the core.
>
> Graham
>
>
>
> -----Original Message-----
> From: rhodes22-list-bounces at rhodes22.org [mailto:
> rhodes22-list-bounces at rhodes22.org] On Behalf Of The Rhodes 22 Email List
> Sent: May-04-15 2:35 PM
> To: 'The Rhodes 22 Email List'
> Subject: Re: [Rhodes22-list] Cabin Roof Plate
>
> Rick,
>
> This advice is from a book on fiberglass boat restoration.  The epoxy
> bonds and becomes integral to the surfaces around it so that they don't
> just pull out, they become a part of the entire skin of the boat.  The
> author of the book recommends this for both screw holes and for bolt
> throughs so that there is no access to the core once the epoxy has dried.
>
> Graham is correct in that using a structural filler for the epoxy
> increases the strength.  I forgot to mention that part.
>
> James Nichols
>
> -----Original Message-----
> From: rhodes22-list-bounces at rhodes22.org [mailto:
> rhodes22-list-bounces at rhodes22.org] On Behalf Of The Rhodes 22 Email List
> Sent: Monday, May 4, 2015 10:31 AM
> To: The Rhodes 22 Email List
> Subject: Re: [Rhodes22-list] Cabin Roof Plate
>
> Filling the larger holes with epoxy would be very risky.  The next time
> you over stress the plate, the epoxy plugs plus gelcoat will tear out.  It
> would be better to fill with 3M 4200.
>
> Rick
>
> On Mon, May 4, 2015 at 10:59 AM, The Rhodes 22 Email List <
> rhodes22-list at rhodes22.org> wrote:
>
> > Thanks.  My blunder is limited to the Cabin Roof Plate, so far, that
> > the hoist crane attaches to  and your advice to drill out the screw
> > holes and fill with epoxy sound good.
> >
> > Details:
> >
> > READ THE INSTRUCTIONS!  Ok, I have had my boat for five years and had
> > the mast up and down a few times so I figured this would be a 20
> > minute exercise to lower the mast for some mast top maintenance.  The
> > mast crane that came with my boat has a bale on it to connect the line
> > with shackles to the bale on the mast.  The crane currently on my boat
> > was apparently replaced during a visit to the plant with a different
> > crane that does not have a bale rather two connection points for the
> > turnbuckles of the two aft lower shrouds.  I have never lowered the
> > mast with the shroud method before so I simply clipped one end of the
> > line with shackles to the bow cleat and the other end to the crane and
> > then connected the crane line to the mast bale.  That is backwards
> > from the instructions I failed to read.  The mast came down but pulled
> > the crane base plate out of the cabin top and the mast decided to go
> > 45 degrees to port.  I managed to pull the mast back to center and
> > lower it then realized two more blunders.  I remembered to disconnect
> > the sliding hatch but failed to close the hatch and failed to move the
> > slider up the mast.  My sliding hatch now has some crunched fiberglass
> > to remind me to close the hatch next time.  The final error was not
> > having sufficient length in the lower forward shrouds that get the
> > chains.  Wrong chain position and or not having the turnbuckle open
> > enough.  The result was some very tight shrouds that bent the top of
> > the chain plates.  So after five years of boating without any major
> screw ups I suppose this makes me an official Rhodie!
> >
> > Christopher P. Cowie
> >
> > 4400 MacArthur Blvd, NW
> > Suite 300
> > Washington, DC 20007
> > 202.342.2711 ex.204 ● 202.342.2691 fax ● 202.270.1470 mobile
> > [ccowie at cowieassociates.com]
> >
> >
> > Please consider the environment before printing this email.
> >
> > -----Original Message-----
> > From: rhodes22-list-bounces at rhodes22.org [mailto:
> > rhodes22-list-bounces at rhodes22.org] On Behalf Of The Rhodes 22 Email
> > List
> > Sent: Monday, May 04, 2015 10:30 AM
> > To: 'The Rhodes 22 Email List'
> > Subject: Re: [Rhodes22-list] Cabin Roof Plate
> >
> > Christopher,
> >
> > I would drill out the holes you are going to make for the screws twice
> > as wide and the teeth of the screws, then back fill the holes with Epoxy.
> > Once that is dry, sand it flush with the deck and drill pilot holes
> > into the epoxy for the new screws.
> >
> > This way there is no direct path from the screw to the core material
> > and you don't end up with a soft deck like I have.  Lots of people try
> > to depend on the surface sealants between the plate and the deck, but
> > the work that happens at the screw/plate/deck area will create an
> > opening to the core where water can seep.  By drilling out a hole
> > twice as wide as the screws teeth, you gain a water proof buffer
> > between the screws and the water absorbing core material.
> >
> > James Nichols
> >
> > -----Original Message-----
> > From: rhodes22-list-bounces at rhodes22.org [mailto:
> > rhodes22-list-bounces at rhodes22.org] On Behalf Of The Rhodes 22 Email
> > List
> > Sent: Monday, May 4, 2015 9:12 AM
> > To: rhodes22-list at rhodes22.org
> > Subject: [Rhodes22-list] Cabin Roof Plate
> >
> > I managed to rip the cabin roof plate, used to connect the mast hoist
> > crane, off my boat yesterday, don't ask how, and I need to reinstall.
> > I understand that this plate can be screwed to the cabin top or thru
> bolted.
> > I prefer to try and make the repair with the screws.  I will use 3M
> > 5200 Polyurethane Adhesive/Sealant from the plate to the cabin top.
> > My question is what I should fill the two screw holes with to re
> > insert the  screws?  I assume this should be the West System #404 High
> > Density Filler that can be injected into the striped screw holes and
> > then re drill two 3/16" pilot holes once it has dried.  Does this seem
> like to correct repair?
> >
> >
> >
> > -----
> > Christopher P. Cowie
> >
> > 4400 MacArthur Blvd, NW
> > Suite 300
> > Washington, DC 20007
> > 202.342.2711 ex.204 ● 202.342.2691 fax ● 202.270.1470 mobile [
> > ccowie at cowieassociates.com]
> >
> >
> >
> > --
> > View this message in context:
> > http://rhodes-22.1065344.n5.nabble.com/Cabin-Roof-Plate-tp49793.html
> > Sent from the Rhodes 22 mailing list archive at Nabble.com.
> >
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