Is this a crack or just resin

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EmmetD
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Joined: Mon Dec 28, 2015 11:36 pm
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by EmmetD

Hey ladies and gents, sorry if this all a waste of your time but it is bothering me, I realise the image is not the best.
What am wanting to know is, can anyone help me determine whether this is a crack or just a join/ effect of the carbon layup?

https://500px.com/photo/148445479/teste ... met-dallat

Thanks again, just worries me as it is around the seat clamping area, though it appears it is just the resin etc.

wingguy
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Joined: Thu Mar 08, 2012 11:43 pm

by wingguy

That's just what it looks like where 2 sheets of UD carbon meet. Look at any clear coated carbon frame and you can see it all of the place.

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EmmetD
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Joined: Mon Dec 28, 2015 11:36 pm
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by EmmetD

Thanks mate, was thinking this as the rest of the frame has this effect. What worried me was not the centre seam but the other one to the left. I appreciate your reply mate, have always been worried since a carbon seatpost snapped on me and went up my jacksy :0

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wheelsONfire
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by wheelsONfire

I see no crack.... if it is, you can feel it with your fingernail. Look close with a magnifying glass and flashlight if you want to inspect further.
Otherwise i agree with wingguy!
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EmmetD
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by EmmetD

Yeah I was feeling at it with finger nail and nada. I think that's it sorted then. I just always worry with carbon and thus reason for getting torque wrench.
Much appreciated peeps, knew you guys would make me feel more at ease!

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jimaizumi
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by jimaizumi

Yeah, that definitely doesn't look like a crack....

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perwjensen
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by perwjensen

Yep, that's a mould line.

CrankAddictsRich
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by CrankAddictsRich

EmmetD wrote:Yeah I was feeling at it with finger nail and nada. I think that's it sorted then. I just always worry with carbon and thus reason for getting torque wrench.
Much appreciated peeps, knew you guys would make me feel more at ease!


Doesn't look like a crack to me... but I don't think that's a reason to not get a torque wrench. IMO, if you're building a bike, you should always torque to spec, but its especially important if you're building a carbon bike.

EmmetD
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by EmmetD

Thanks everyone, really do appreciate it....

wingguy
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Joined: Thu Mar 08, 2012 11:43 pm

by wingguy

EmmetD wrote:Thanks mate, was thinking this as the rest of the frame has this effect. What worried me was not the centre seam but the other one to the left. I appreciate your reply mate, have always been worried since a carbon seatpost snapped on me and went up my jacksy :0


Daaaaaaamn :shock:

:P

Oswald
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Joined: Thu Jan 08, 2004 10:11 pm

by Oswald

My BMC GF01 has a clearcoat, so no paint on it. It is covered with those lines. If it's a crack, you'll notice quickly. My previous BMC frame cracked and I could feel the crack with my finger.

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