Ron, Are near a Grainger store? Get a piece of aluminum as a top plate.
On Wed, Aug 7, 2013 at 11:23 AM, Knowles Rich <r...@sailpower.ca> wrote: > Why not simply get some 3/8 aluminium welded up and glass it in? There is > nothing permanent about any wood that is constantly exposed to water, > especially fresh water. > > Rich Knowles > Indigo. LF38 > Halifax > > On 2013-08-07, at 12:12, "Ronald B. Frerker" <rbfrer...@yahoo.com> wrote: > > When I replaced the horizontal board 10-15yrs ago I used oak, but the > original wood that broke on me was a dark wood. > Does anyone know if it was teak or mahogany or what? > I guess I could use oak again since it will have less opportunity to bend > with the middle support I"m putting in. > Dennis, I like the idea of glassing the board instead of just epoxy paint, > but won't that be difficult to measure the board thickness? How thick is a > wrap of matt and epoxy? > Ron > Wild Cheri > STL > > > ------------------------------ > *From:* Ed Dooley <edoo...@madriver.com> > *To:* cnc-list@cnc-list.com > *Sent:* Tuesday, August 6, 2013 8:09 PM > *Subject:* Re: Stus-List C&C 30 mast step yet again > > White oak is, red oak, not so much. > Ed > > *From: *Steve Thomas <*sthom...@sympatico.ca*> > Maple is not very rot resistant, but oak is. > There is a reason why oak was the material of choice for ship building. > > -----Original Message----- > *From:* CnC-List > [*mailto:cnc-list-boun...@cnc-list.com<cnc-list-boun...@cnc-list.com> > *]*On Behalf Of *Ronald B. Frerker > *Sent:* Tuesday, August 06, 2013 4:24 PM > *To:* *cnc-list@cnc-list.com > **Subject:* Stus-List C&C 30 mast step yet again > > Got the engine running, so I could shift the mast over to work on the > step. (BTW trouble was in the battery cables; corrosion inside the > sheathing). > I have only two supports and the oak plank I used bowed in the middle; > probably because I didn't seal the edges well enough and water wicked in. > It did last 10-15yrs though. So based on what a lister mentioned, I'm > going to put in a third support in the middle. I can only buy 3/4 marine > plywood by 4x8 sheet. So I'm going with solid wood for the support. The > hardwoods dealer suggested mahogany, but it seems to porous for a bilge. A > friend suggested ipe (epay or ironwood). Extremely dense and used in lock > gates on the river. He claimed that some don't even treat it. > I'm using maple (very dense) instead of the oak I used last time for the > horizontal plank; oak apparently is known to bend readily with moisture, > especially steam. > I'm planning to coat all with a few coats of epoxy which I think Dennis > suggested; the hardwoods dealer suggested marine poly. > So, given I'm going with wood instead of a wood/metal combination, are > there any suggestions about which wood and the coating? > Ron > Wild Cheri > STL > > _______________________________________________ > This List is provided by the C&C Photo Album > http://www.cncphotoalbum.com > CnC-List@cnc-list.com > > > _______________________________________________ > This List is provided by the C&C Photo Album > http://www.cncphotoalbum.com > CnC-List@cnc-list.com > > _______________________________________________ > This List is provided by the C&C Photo Album > http://www.cncphotoalbum.com > CnC-List@cnc-list.com > > -- Joel 301 541 8551
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