I think Dave is essentially correct, except that if you use oval heads (I don't think you need washers) just bed the shelves in epoxy putty, and the best procedure would be to drill and install the shelves dry and run masking tape around the shelves (on the inside of the bulkhead), then remove the shelves, cleanly spread the epoxy putty using a slight excess, screw the shelves in place, then using a sharp putty knife clean up the excess that's squeezed out, then pull the tape. If you do a clean job there won't be any mess to clean up, but if you can't help being a clumsy fool, the mess can be cleaned up with lacquer thinner. Acetone will clean up the mess but it'll creat another by attacking the gelcoat that the inside of the bulkhead is painted with. jerry ----- Original Message ----- From: "W David Scobie" <wdscobie@yahoo.com> To: "For and about Montgomery Sailboats" <montgomery_boats@mailman.xmission.com> Sent: Wednesday, November 16, 2011 10:43 AM Subject: Re: M_Boats: Wood Glue joe: if i understand your reference to 'JB weld' correctly you are just going to glue a piece of wood to the bulkhead (ie, a butt joint). my concern is that this joint will come apart ... mostly from the abuse our boats experience bouncing on their trailers along the roads and highways. i've thought of installing shelves as you describe to my M17. over and over i've come the following opinion - better - tab your attachment points to the bulkhead using epoxy and fiberglass mat & cloth. best - screw or bolt thru the bulkhead along with tabbing as noted above in 'better'. use oval head fasteners and finishing washers. :: Dave Scobie :: Sage Marine --- On Wed, 11/16/11, Joe Murphy <seagray@embarqmail.com> wrote:
The top of the shelves will have a box to cover the backside of the compass on the port side and the depth gauge on the starboard side. Inside the box I'll use a block attached with JB weld and at the bottom I'll use a french hasp. I'll post pictures when it's all done. Joe SeaFrog M17 ----- Original Message ----- From: W David Scobie Sent: Wednesday, November 16, 2011 12:08 PM
joe:
matt, sage marine's woodworking guy, recommends (in order listed) -
* west system epoxy
or
* titebond 3 (used for exterior applications)
are you going to bolt/screw through the cabin bulkhead to hand the shelves?
:: Dave Scobie :: Sage Marine
--- On Wed, 11/16/11, Joe Murphy <seagray@embarqmail.com> wrote:
I'm making mahogany bulkhead shelves to put on the inside cabin bulkhead. I'm looking for advice on what would be the best glue to use for mahogany. I'll use typical morticed joints and babbet corners and prefer not to use any screws, etc. Thanks much Joe SeaFrog M17
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