[Rhodes22-list] Bow Chocks

[Hank]

Rummy,

You don't carve a hole for the entire hardware, just countersink where the
screw goes in.  This reduces the pressure on the edge of the hole.  I'm
pretty sure this is also meant to be for through bolting not screwing into
the fiberglass itself.  Through bolting, especially with a backing plate on
the inside provides much more strength.  Screwing into the fiberglass
should really only be used for applications where you are not concerned if
the screw pulls out, like the mast plate.

Hank

On Tue, Apr 9, 2013 at 11:38 AM, <R22RumRunner at aol.com> wrote:

> Dennis,
> I now understand what you are saying, but I will have to disagree with this
>  method. Carving out a hole in the gel coat for the hardware to sit in is a
> lot  of work and one small slip with a drill or a router will damage the
> gel coat.  Someone has over engineered this and needs to find a better
> hobby
> to occupy  their time. I don't see any benefit to this method, non at all.
>
> Rummy
>
>
> In a message dated 4/8/2013 4:10:20 P.M. Eastern Daylight Time,
> mcneelyd at site-solutions.com writes:
>
> Hi Rummy  -
>
> The countersink is for the bedding compound, not the screw head. It  allows
> minor (thermal) movement of the boat, screw, and hardware without
>  stressing
> the bedding compound or the fiberglass where the screw leaves the  hardware
> and enters the fiberglass.
>
> Dennis
>
> www.great-loop.us
> s/v Magic Moments
> berthed in Gibraltar,  Michigan
>
>
> -----Original Message-----
> From:  rhodes22-list-bounces at rhodes22.org
> [mailto:rhodes22-list-bounces at rhodes22.org]  On Behalf Of
> R22RumRunner at aol.com
> Sent: Monday, April 08, 2013 2:00  PM
> To: rhodes22-list at rhodes22.org
> Subject: Re: [Rhodes22-list] Bow  Chocks
>
> Countersink what screw holes? The screws you use will be  determined by the
> hardware you choose. It would be nice if the chocks had a  countersunk hole
> in  them to hide the screw head, but you can't hide  the head in the fibe
> rglass since  the chock is sitting on top of it.  Drill a small pilot hole
> through the gel coat  and glass. Then drill a  larger hole at slow speed so
> you won't heat up the gel  coat and cause  it to crack. I've known some
> people that like to put masking tape   where they are going to drill. It
> never helped me.
> Fill the holes with  a  good bedding compound and install the chock and
> screws. Ta Dah!  It's not rocket  science, just good  craftsmanship.
>
> Rummy
>
>
> ->  snipped
>
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