Making a replacement rear cover
06-08-2008, 07:30 PM
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Making a replacement rear cover
Hello everyone.
I need to make a replacement rear cover for my Prather 46. I ran it last year without one. I did not get a lot of water in the boat but I think it needs one. I'm lucky enough to have a friend with the same boat as mine. I borrowed his cover to use as a template. (that was last fall) So before he comes by and takes it back, I better get busy.
I first traced the outline of the loaner cover onto a piece of construction paper. I cut out the pattern and checked it against the cover to make sure it will be the same size. After I was confident about the size I pinned it down to a piece of foam board. I traced it out with a black marker. I then cut out the pattern about 1/2 to 1 inch over sized. After cutting out the pattern I sanded the foam so it was smooth. Make sure the side you are going to glass is smooth, any bumps will show up in the final product. I made the pattern a bit over sized so I can trim it down when I am finished. I then test fit my fiberglass cloth.
I am now ready to glass over my pattern.
-Andrew
I need to make a replacement rear cover for my Prather 46. I ran it last year without one. I did not get a lot of water in the boat but I think it needs one. I'm lucky enough to have a friend with the same boat as mine. I borrowed his cover to use as a template. (that was last fall) So before he comes by and takes it back, I better get busy.
I first traced the outline of the loaner cover onto a piece of construction paper. I cut out the pattern and checked it against the cover to make sure it will be the same size. After I was confident about the size I pinned it down to a piece of foam board. I traced it out with a black marker. I then cut out the pattern about 1/2 to 1 inch over sized. After cutting out the pattern I sanded the foam so it was smooth. Make sure the side you are going to glass is smooth, any bumps will show up in the final product. I made the pattern a bit over sized so I can trim it down when I am finished. I then test fit my fiberglass cloth.
I am now ready to glass over my pattern.
-Andrew
06-08-2008, 08:38 PM
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RE: Making a replacement rear cover
Your going to paint on latex house paint over that foam before you glass, right? Otherwize polyester resins will eat through and dissolve that foam. Before I made molds for parts I painted my foam plugs with latex paint (gloss seemed to work best). I then sprayed PVA (release agent) over the dried paint. I was able to chunk out the inside foam almost in one piece creating a smooth inner to your part.
Nevermind if you plan to make a mold. You still need to coat with something before your glass goes down.....ask me how I know.
-Scott
Nevermind if you plan to make a mold. You still need to coat with something before your glass goes down.....ask me how I know.
-Scott
06-09-2008, 06:22 PM
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RE: Making a replacement rear cover
Thanks, I will look into that. I was planing on useing 30 min epoxy. I was thinking of putting a sheet of wax paper under the fiber glass before I add the epoxy. This is my first attempt at doing this, so it is all new to me.
-Andrew
-Andrew
ORIGINAL: Dreamin Hemi
Your going to paint on latex house paint over that foam before you glass, right? Otherwize polyester resins will eat through and dissolve that foam. Before I made molds for parts I painted my foam plugs with latex paint (gloss seemed to work best). I then sprayed PVA (release agent) over the dried paint. I was able to chunk out the inside foam almost in one piece creating a smooth inner to your part.
Nevermind if you plan to make a mold. You still need to coat with something before your glass goes down.....ask me how I know.
-Scott
Your going to paint on latex house paint over that foam before you glass, right? Otherwize polyester resins will eat through and dissolve that foam. Before I made molds for parts I painted my foam plugs with latex paint (gloss seemed to work best). I then sprayed PVA (release agent) over the dried paint. I was able to chunk out the inside foam almost in one piece creating a smooth inner to your part.
Nevermind if you plan to make a mold. You still need to coat with something before your glass goes down.....ask me how I know.
-Scott
