[Rhodes22-list] Cabin Roof Plate

Mon May 4 11:30:47 EDT 2015

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]
>
>
>
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>
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