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Author Topic:   Gel Coat Resin and Boston Whaler Boats

Captainclayton posted 04-30-2014 03:20 AM ET (US)
[Comparing a Boston Whaler MONTAUK boat made in the 1970's to one made in the 1980's,] is the gel coat the same[?] The older gel coat looks nicer. [Is that because of use of] different resins? Or, more time spent in assembly[?]
jimh posted 04-30-2014 09:22 AM ET (US)
Please be more specific in your characterization of "looks nicer." What characteristic of the gel coat resin are you commenting about?
Also, if you are comparing a c.1970 boat to a c.1980 boat, and you are comparing their appearance now, there could be as much as twenty years difference in their age. One boat could be more than 40 years old and another just over 20 years old. And during that time, there is no basis to assume that the boats were subjected to the same weathering. I don't know that you can have a reasonable basis to assume that any difference you observe now, perhaps 40 years after the gel coat was sprayed on, is due to some difference in the resin that was used.
Captainclayton posted 05-01-2014 12:52 PM ET (US)
Jim,I agree. I was a bit nebulus...
You stated
"I don't know that you can have a reasonable basis to assume that any difference you observe now, perhaps 40 years after the gel coat was sprayed on, is due to some difference in the resin that was used."
Looking at 2 montauks. There is an 85 Montauk, stress cracks a plenty, Bottom paint..rotting wood backing plates.
I read all your adbvice and looked for fiberglass, backing plates, , de lamination etc. Old tranducer filling,6300. There is Fairing compound on keel BUT it has an 2002 Johnson 90. The 74 (picture ) has no paint, no fillins, no hull repaires, a few chips of course, but the hull looks whiter. AND it looks like it can be polished to brilliance. The 74 (I think) has an 88 m70 evinrude. A great motor but noit a 200 90hp Johnson. The 1988 70 Evinrude is a great motor though. the 70's montauk hull has a 9.9 kicker as well. see photo. she looks new.
Gosh darn, how do you post photos? Ill look at the site, im sure instructions are there.
Captainclayton posted 05-02-2014 12:14 PM ET (US)
Why did edgwater change their mold on the 22 a while back.
I found 22 EW, im going to seriously tae a gander.
Can you tell me anything aput the older 22 EW
Whats your guidance opinion of the ox 66
jimh posted 05-02-2014 04:00 PM ET (US)
Re the color or hue of the hull gel coat on a Boston Whaler:
There are several shades for the gel coat color. For 16-footers, see the REFERENCE article at
http://continuouswave.com/whaler/reference/16-17/
and note the entry under the specification "Color" and the epoch c.1973. Whaler changed to Desert Tan from White for the hull color. There are some other shades involved, too. Outrage Gray is another gel coat color used on some models.
Any gel coat resin left out in the sun for 40-years will change color. The color or hue seen at the present moment is a result of the weathering, exposure to sun, amount of care taken, use of polish, buffing, waxing, gel coat restorer compounds, and who know what else. Also the colors look different under different lighting. It is best to compare them in daylight on a not cloudy afternoon, side by side.

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Author	Topic: Gel Coat Resin and Boston Whaler Boats
Captainclayton	posted 04-30-2014 03:20 AM ET (US) [Comparing a Boston Whaler MONTAUK boat made in the 1970's to one made in the 1980's,] is the gel coat the same[?] The older gel coat looks nicer. [Is that because of use of] different resins? Or, more time spent in assembly[?]
jimh	posted 04-30-2014 09:22 AM ET (US) Please be more specific in your characterization of "looks nicer." What characteristic of the gel coat resin are you commenting about? Also, if you are comparing a c.1970 boat to a c.1980 boat, and you are comparing their appearance now, there could be as much as twenty years difference in their age. One boat could be more than 40 years old and another just over 20 years old. And during that time, there is no basis to assume that the boats were subjected to the same weathering. I don't know that you can have a reasonable basis to assume that any difference you observe now, perhaps 40 years after the gel coat was sprayed on, is due to some difference in the resin that was used.
Captainclayton	posted 05-01-2014 12:52 PM ET (US) Jim,I agree. I was a bit nebulus... You stated "I don't know that you can have a reasonable basis to assume that any difference you observe now, perhaps 40 years after the gel coat was sprayed on, is due to some difference in the resin that was used." Looking at 2 montauks. There is an 85 Montauk, stress cracks a plenty, Bottom paint..rotting wood backing plates. I read all your adbvice and looked for fiberglass, backing plates, , de lamination etc. Old tranducer filling,6300. There is Fairing compound on keel BUT it has an 2002 Johnson 90. The 74 (picture ) has no paint, no fillins, no hull repaires, a few chips of course, but the hull looks whiter. AND it looks like it can be polished to brilliance. The 74 (I think) has an 88 m70 evinrude. A great motor but noit a 200 90hp Johnson. The 1988 70 Evinrude is a great motor though. the 70's montauk hull has a 9.9 kicker as well. see photo. she looks new. Gosh darn, how do you post photos? Ill look at the site, im sure instructions are there.
Captainclayton	posted 05-02-2014 12:14 PM ET (US) Why did edgwater change their mold on the 22 a while back. I found 22 EW, im going to seriously tae a gander. Can you tell me anything aput the older 22 EW Whats your guidance opinion of the ox 66
jimh	posted 05-02-2014 04:00 PM ET (US) Re the color or hue of the hull gel coat on a Boston Whaler: There are several shades for the gel coat color. For 16-footers, see the REFERENCE article at http://continuouswave.com/whaler/reference/16-17/ and note the entry under the specification "Color" and the epoch c.1973. Whaler changed to Desert Tan from White for the hull color. There are some other shades involved, too. Outrage Gray is another gel coat color used on some models. Any gel coat resin left out in the sun for 40-years will change color. The color or hue seen at the present moment is a result of the weathering, exposure to sun, amount of care taken, use of polish, buffing, waxing, gel coat restorer compounds, and who know what else. Also the colors look different under different lighting. It is best to compare them in daylight on a not cloudy afternoon, side by side.