Discolored frames on new boat

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Steve7
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Discolored frames on new boat

#1 Post by Steve7 » Sat Nov 18, 2017 10:36 am

So we have had the boat a few days. We can see under certain lighting conditions discoloration around all bends in the frame. Is this from the heating process for bending, poor paint or powder coat (not sure they are painted), or something else??

I’m hoping someone can tell me if this is normal or if they have seen it before. I’m waiting for an answer from the dealer/manufacturer.
Steve & Sue (pups: Sky & Sierra)
2018 G3 SunCatcher V322FC Yamaha 150
Minn Kota Terrova 80 trolling motor
Grand Design tt Reflection 297RSTS
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Steve7
Posts: 91
Joined: Fri Aug 18, 2017 5:14 pm
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Re: Discolored frames on new boat

#2 Post by Steve7 » Sat Nov 18, 2017 4:42 pm

I tried to post pic on first post, I’m trying it one more time.
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Steve & Sue (pups: Sky & Sierra)
2018 G3 SunCatcher V322FC Yamaha 150
Minn Kota Terrova 80 trolling motor
Grand Design tt Reflection 297RSTS
2016 Ford F250 6.7
Grizzly Flats, Ca

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teecro
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Re: Discolored frames on new boat

#3 Post by teecro » Sat Nov 18, 2017 7:29 pm

That's just from the steel rollers that are used during the bending process, plus the alum is after all being distorted during the cold bending and as such may show some defect from it...
T CRO
2017 Berkshire CTS 24 RFX with Yamaha F150/Simomized 200
2015 Caravelle 16 EBo with Mercury 90

Steve7
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Re: Discolored frames on new boat

#4 Post by Steve7 » Sat Nov 18, 2017 8:33 pm

[quote="teecro"]That's just from the steel rollers that are used during the bending process, plus the alum is after all being distorted during the cold bending and as such may show some defect from it...[/quote]

Teecro, thanks fo the reply. I think a word was left out. Did you say that the aluminum is “stronger” after the bending process?
Steve & Sue (pups: Sky & Sierra)
2018 G3 SunCatcher V322FC Yamaha 150
Minn Kota Terrova 80 trolling motor
Grand Design tt Reflection 297RSTS
2016 Ford F250 6.7
Grizzly Flats, Ca

jserr68594
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Re: Discolored frames on new boat

#5 Post by jserr68594 » Sat Nov 18, 2017 9:29 pm

The aluminum likely has an anodized finish. It is hard to tell how bad it is by looking at pictures, but I would not be too happy with that on a new boat. My 2006 Premier does not have any variation in the bends. It seems to me like a quality control issue.

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Re: Discolored frames on new boat

#6 Post by Bryden24shp » Sat Nov 18, 2017 10:14 pm

My first Manitou had the same marks. The railings are not anodized. They are bent, then painted and baked. Like Teecro said, the aluminum is distorted, and it shows through the paint. Manitou sent me a can of silver metallic paint to spray over the marks. I wasn't really pleased, but the alternative was to have the railings replaced, with the same railings, which would have probably had the same marks. Since then, Manitou has been powder coating the railings on the higher end models and those spots don't come through. I would surely show the dealer, see what he says.
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teecro
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Re: Discolored frames on new boat

#7 Post by teecro » Sun Nov 19, 2017 5:06 am

[quote="Steve7"][quote="teecro"]That's just from the steel rollers that are used during the bending process, plus the alum is after all being distorted during the cold bending and as such may show some defect from it...[/quote]

Teecro, thanks fo the reply. I think a word was left out. Did you say that the aluminum is “stronger” after the bending process?[/quote]

No I didn't mean stronger, while it may not be weaker it is certainly not any stronger; alum only bends easily once...

I think what your looking at is a slight lack of QC during the bending process whereas the alum is distorted from dirty steel rollers and/or a lack of lube (if any) during the bending. The alum was likely anodised in stick form before purchase and anodising is a surface hardening treatment which is distorted during the bending (stretching) on the outside portion of the bend...
T CRO
2017 Berkshire CTS 24 RFX with Yamaha F150/Simomized 200
2015 Caravelle 16 EBo with Mercury 90

ron nh
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Re: Discolored frames on new boat

#8 Post by ron nh » Wed Nov 22, 2017 4:50 pm

When I bent my bimini the aluminum looked like that. Of course mine was by mistake so I would expect it, but your's should not. Mine are anodized, as I believe most are now.
2015 Qwest LS 818XRE Tri-toon w/mercury 115.

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