Colors & Heat - Page 2 - Fiberglass RV


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Old 07-07-2003, 01:55 PM   #15
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In one of my previous lives, I was a paint dealer. The questions often came up about painting things like fiberglass or vinyl siding. The rule for vinyl is "Paint it any color your want, as long as it's no darker than the original color". I've actually seen vinyl siding melt and sag off the side of a house from being painted dark. The different colors of vinyl are formulated differently.

I don't think that the fiberglass or gel-coat is formulated differently for darker gel-coats, but the principle remains - you will be stressing the fiberglass more, by causing more expansion and contraction, with a darker color. Take a look at vintage Corvettes sometime. You'll see a lot more stress cracks in the darker ones.

In a car, most of the heat gain IS from the windows, but the darker colors do make a big difference, too. However, in Suz's case in Texas, it reaches a point where it doesn't make much difference - it's tough to tell the difference between 175 degrees and 195 degrees!
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Old 07-09-2003, 11:06 PM   #16
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It ain't just black or white.........

I know, this should be in the jokes section, so spank the back of my hand...........

These two country boys were talking about the virtues of owning black horses vs. white horses.
First guy sez, ''We used to own white horses and black horses, but we got rid of the white horses because they ate too much hay.''
Second guy sez, ''Why do you think the white horses ate more hay than the black horses?''
First guy sez, ''We never could figure that out, unless it was because we had more white horses than we had black horses.'';)

Anybody know who told that story on an old shellac 78? (Scroll way down for the answer.)


Sorry, you didn't scroll far enough!:bed
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Old 07-10-2003, 09:07 AM   #17
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Shellac 78

George:
I'll guess...Spike Jones?
Dale:drums
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Old 07-10-2003, 11:07 AM   #18
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I'll guess as well: Bro. Dave Gardner?
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Old 07-10-2003, 12:31 PM   #19
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amos and andy

jack benny
Pa kettle
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Old 07-10-2003, 04:51 PM   #20
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Sorry, no gold ring yet.

Some good guesses, but earlier in the century than you're comin' up with. (But, Al, I'll bet Jack Benny might have used [read: stolen] that line, too. And it could have made a classic Amos n' Andy line.)

It was a team, two guys. Recorded on Columbia Records, 1920's. (I know, most of you were too young to remember!);)
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Old 07-10-2003, 04:54 PM   #21
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Abbott & Costello

Was it Abbott & Costello? Who's on first? HA!!!!
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Old 07-10-2003, 05:05 PM   #22
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george the worst part

is it sound so very familar i keep hearing jack benny doing the lines but if that is not it ummmmmmm ut oh i smell wood burning better stop thinking about it :cheers
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Old 07-11-2003, 07:09 AM   #23
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Answer.......

(You just didn't scroll down far enough.)

Moran and Mack, The Two Black Crows, circa 1925 Columbia Records.


Oh, I almost forgot, for each wrong answer, send 10 bucks to the webmaster to help keep this site alive! I know Al has already stuck his 30 in the mail. And thank you for listening.

Y'all come down to see me next week on the beach at San Elijo State Park. I'll be the oldest surfer out there! ;)

Hey, maybe I just thought of a fund-raising method, either a trivia quiz, or perhaps people like Al would just pay to keep c--p like this from me off the air. Either way, your dimes and nickles will help support this web site.:wave
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Old 07-11-2003, 07:37 AM   #24
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Hey George,

I'd pay to KEEP you on this BB.:cblob ......in fact, I just did!:lol

Dina (& Jim) Schulz
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Old 07-11-2003, 07:42 AM   #25
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Gerorge

Its a win win or nowin arguement so keep it :huh
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Old 07-11-2003, 01:09 PM   #26
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A couple of interesting factiods - in the '70s, Ma Bell did a test on car colors and people's perceptions of how dirty they were - you might have noticed that they switched from Olive Drab to white...

I had a Dodge van with sliding door. The slider mechanisim was covered by a little white metal roof, and mine rusted out. After replacing it, I started looking around and observed that all the white ones were generally rusty underneath, whereas the darker ones generally weren't. I surmise the higher heat from the darker colors kept the underside condensation from forming so often and for so long, compared to the white.

A friend of mine who paints cars and is observant would walk around his neighborhood looking at various finishes and noted that the white cars would still have the morning dew on them for much longer than the dark cars.

There are tables for the heat absorbtion/radiation of the various colors, and it's hard to beat glossy white for cool.

I am in the process of constructing a portable PVC ridgeline so I can drape tarps above my Scamp in summer. I had to look hard to find white tarps in the US (I think they carry them at Canadian Tire or one of the Canadian hardware store chains) and finally found an internet source.

Pete in the RatHaus
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