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#1 2007-07-22 04:27:39

Roger Gibb
Member

Cowls - Mark IV

<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt">e=3>So one thing led to another and I took the cowls off the stern of my Mk IV, to discover that there was exposed plywood under there which has completely rotted over the last 25 years, of course. I haven’t gone in there yet, but has anyone else, and if so what did you do to remedy it?
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt">e=3>I have not tapped around the area yet to check the extent, but I suspect that the plywood may be limited and isolated (wishful hope perhaps).
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt">e=3>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt">e=3>Thanks for the help…
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt">e=3>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt">e=3>Roger Gibb
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt">e=3>PASSTIME
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt">e=3>27-IV

Last edited by (2007-07-22 23:30:01)


Roger Gibb
Passtime (27-4)

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#2 2007-07-24 02:25:06

davidww1
Member

Re: Cowls - Mark IV

The ply in my cowl vents has dried out and delaminated, but not rotted to any significant degree. One of these days when I'm working with epoxy (if I remember, which is a marginal possibility), I will coat the exposed edges with a thickened mix. In the meantime, I think it's an area that is already adequately strong. The ply is unlikely to be structural; it's probably only there to create enough thickness at that point to run in screws to hold the vent-hose connectors without having the screw-ends protrude through the glass.

David Weatherston
Towser, Toronto
C&C 27 Mk IV


David Weatherston
Towser, Toronto
C&C 27 Mk IV

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#3 2007-07-24 02:56:28

Roger Gibb
Member

Re: Cowls - Mark IV

Many thanks for the response.
You are indeed right, the plywood is there to provide an anchor for the screws. I went in there yesterday and yarded out the plywood - it has a clearly limited perimeter, and is not structural, which is a good thing. Now I just have to figure out how to stop it from recurring (it is a point of entry for water, of which we get an undue amount on the wet coast).
Thanks again...

Roger Gibb
Passtime
27-IV


Roger Gibb
Passtime (27-4)

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#4 2007-07-24 03:06:21

davidww1
Member

Re: Cowls - Mark IV

Nicro Fico, who made the cowls, used to make and may still make a self-contained Dorade box that mates with their cowls.

David Weatherston
Towser, Toronto
C&C 27 Mk IV


David Weatherston
Towser, Toronto
C&C 27 Mk IV

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