Building a fiberglass top
Car 1254, a 1978 Phaeton.is the subject of this
project. I decided that I needed windows, which led to
the need for a fiberglass top. I will record my
experiences and problems as I go -- so the outcome of
this project is unclear at present. It could well end up
in the trash can. I hope that you can benefit from this
effort. If you have questions or suggestions, please
contact me at Car 689, a 1973 Phaeton was my second attempt in 2011. I was not pleased with the look of the first top (at the bottom of this page) but the windows worked as I wanted them to. On the older Glassic, I wanted a more authentic look but did not care about the windows. Car 689's top project appears HERE |
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Observations at this early stage: This top is going to be heavier than I thought. That means problems moving it about while building it, and problems pulling it off for open driving. The topper has an inner liner of fabric glued on -- this will be a problem when splicing. The top also consists of two layers with loose pieces of corrugated cardboard in between. That carboard is moving around, and the two layers will also make problems with splicing. The back curves both around the back seat, as well as up and down (the back is highest in the center and goes downhill as you go left or right-- getting the rear section to rest evenly on the car will not be simple. |
Obstacles -- Well, lesson one. One
does NOT cut tempered glass. All of that beautiful tinted
glass - to the trash bin. I will have to have flat side
glass made and tempered. $6 per square foot is my first
estimate, with extra charges for rounded corners, holes
etc. The hunk of aluminum used in each corner to make the receiver for the windshield stanchion pokey things (my technical term) -- that size aluminum stock (1" x 2" x 2") is NOT available at our huge aluminum store. The only thing I saw in my first visit there was a hunk 4 x 4 x 8. I did not price it, nor do I relish cutting it down. Perhaps steel, although tapping and drilling steel is a bit less fun. |
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With all of the scratching and splicing, I am now considering having the whole thing vinyl covered when (or IF I get it done.) |
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More to come! |
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Attaching the back part to the car:
I drilled a couple of holes in ledge around the back of
the car. The fiberglass was VERY thick there. I wanted
the finish to be holes in the car rather than bolts
popping up, so that when the top was set down on the car,
it would not have to come straight down onto the car.
What I did, which seems to work was: I got a threaded
receptical at Home Depot (it has a lip and you are
supposed to hammer it into a wood surface so you can
attach a bolt) -- I hammered it into a scrap of wood
(like a 1x2x3") and then I glued on a scrap of
aluminum with a hole in it to the TOP. You see, the
pressure would be for the top to lift UP, so it would
TEND to want to pull the threads back up out of the scrap
of wood. Then, I took a long, threaded rod (3'), lowered it though the hole on the deck, attached my sandwich of aluminum, and wood and threaded receiver to the bottom -- I gobbed on some fiberglass bondo, and lifted up on the rod to bring it up on the underside of the lip. I held it in place and Ta da! I unthreaded the long rod and there, down in the hole were the threads. I believe I used 5/16 bolts then to hold the top on. It seems to work great at highway speeds. |
Right now, there is a LOT of finishing work to do. I
received two different estimates of $500 to vinyl cover
the whole thing. I am considering other options! More to follow. |
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Here is the look in white. I used white primer to hold me until I have money for vinyl. I still have not done anything about windows, which is what started all of this. The rear will be easy, just plop in some plastic. As for the front, I am still figuring what will work best. |
another view of the top. |
Looking down on the sunroof. This came
from a pull-your-own junkyard $25.00. The last step was to get the project covered in vinyl. I had gotten THREE estimates of exactly $500 for the project. By the time I had saved up the money, the cheapest estimate turned out to be $650. (which included padding the top) With that estimate, I had to buy the edging to go around the window areas. That was found in a BOAT SUPPLY STORE - They had white or black in various widths to handle different thicknesses of material that was being edged. The roll of edging cost about $25. For pictures of the car with the project finished see Car 1254. If you are still reading here, try
looking at the WINDOWS
that I built to go with this. |