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Discussion Starter #1
Just had the carpeting on both my fuel tanks replaced about 4 months ago. Soon after I had it done I noticed that the passenger side was starting to get some burn marks near the battery. Took a closer look at it just now, and it's looking pretty bad. The pic is of the right side. The left side has a small spot that's been melted (about the size of a penny) Upon close inspection, the carpeting looks as if it's been melted (like someone took a soldering iron to it) Any suggestions of what this might be? When the boat sits I disconnect the battery and I don't smell any gasoline.
 

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tintingsandiego
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I replaced all my carpet as well and when my hatch is up the sun beams off my breather and has burnt a few lines on the upper underneath part...Took a while to figure it out and as the sun moves so does the burn. I put a small round piece of vinyl on top of the breather and no more burns....
 

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Discussion Starter #5
Never in a million years would I have thought that the mere reflection of the sun off of my all the polished aluminum on my boat would burn the carpet. I am not 100% that this is the case, but since I have no explanation of my own I'll roll with it for a while. If this truly is the case them I am pretty screwed as my boat has a ton of polished aluminum on it.
 

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Uhmmmm

Scientifically thinking, I don't think just a 'reflection' would do it- would need to be magnified some way to burn- a reflection would be no worse than straight sunlight on it. However, I guess there could be a parabolically shaped surface that could do that but I would not think it could have the light incident on it in a wide enough arc to cause those straight lines I see in your picture- a small spot I could understand- but not those long strips. That is strange. Personally, I'd keep looking for some other explanation.
 

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Wow, I hve never seen this before. I was going to suggest a small fuel leek or something that was eating the carpet but based on the second picture of the carpet under the hatch it's hard to disagree with. Looks like the streak is from the movement of the sun that slowly etched it's way throught the carpet. Very interesting thread....

By the way, in case I missed it, what grade of carpet was used? 20 oz or 40 oz and was it marine grade?
 

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AKA OhOneWS6
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That is crazy. I would never have guessed it. After seeing krusn's pic with that hot spot I can totally see how the sun tracking across the sky could totally burn a line like that. In N2GLOCk's case though I think it is something other than the battery tray. I don't see how the reflection from the battery tray could reach the top of the tank. No doubt it is coming from the reflection off of some polished or chrome piece though.
 

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Discussion Starter #10
Heres a pic of how I found out the burn (right side underneath hatch) and yes it will do this!

Well.....I stand corrected. Those streaks look alot like mine. Guess I'm gonna have to stsrt out by either powder coating or anodizing the polished top piece of that battery box. For now I'm only gonna do that as it's so close to the tank. If I continue to have the problem after that, then I may have to look at other polished/chrome pieces on my motor. BTW, there is a lot.
 

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AKA OhOneWS6
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Well.....I stand corrected. Those streaks look alot like mine. Guess I'm gonna have to stsrt out by either powder coating or anodizing the polished top piece of that battery box. For now I'm only gonna do that as it's so close to the tank. If I continue to have the problem after that, then I may have to look at other polished/chrome pieces on my motor. BTW, there is a lot.
I think i would park it in the sun and look for the hot spot reflection. Then you could throw a towel on parts until you figure out where the reflection is coming from.
 
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