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Reload Thread: For all the doubters of the strength of fiberglass

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    ramos's Avatar
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    For all the doubters of the strength of fiberglass

    This is a pick from a helluva fberglass man. Proving the strength of kyntex mat. Just 3 layers and a couple of stiffening ribs. 1/8" thick.





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    ss3079's Avatar
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    Impressive!

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    Quote Originally Posted by DJGTSR
    I dont mean to be rude, but what is the highest level of education that you finished?

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    why would anybody doubt fiberglass in the first place
    if it was a weak piece of **** why would chevy have used it to build the body of the corvette for 20+ f uckin years



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    Originally posted by Mac11
    why would anybody doubt fiberglass in the first place
    if it was a weak piece of **** why would chevy have used it to build the body of the corvette for 20+ f uckin years
    Meh, there are people out there that doubt it...I think they think it will flex if you used it as an enclosure.

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    Quote Originally Posted by DJGTSR
    I dont mean to be rude, but what is the highest level of education that you finished?

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    i mean they use fiberglass for a bunch of custom stuff, n they most of the times very strong. i guess he doubts it if u only put a very thin layer with no like strength reinforcement, but dunno, not that knowledgeable in fiberglass, altho i'll start practicin soon as i would like to custom most of my car soon




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    Originally posted by Matador
    i mean they use fiberglass for a bunch of custom stuff, n they most of the times very strong. i guess he doubts it if u only put a very thin layer with no like strength reinforcement, but dunno, not that knowledgeable in fiberglass, altho i'll start practicin soon as i would like to custom most of my car soon
    Fiberglass is the way to go if you want that custom look

    Plus, its e-a-s-y, and fairly cheap, to do

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    Quote Originally Posted by DJGTSR
    I dont mean to be rude, but what is the highest level of education that you finished?

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    im gonna do alot of custom fiberglass work to my car. Hopefully i will be running 8 ed 12 o's and 4 nine.1's. but we will see.




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    I think the bigest issue is that a lot of people are confused about what fiberglass is and/or all the different types of glass that can be used..

    I was told (errantly and it sounded wrong to me) that the 'chopped matt' would be stronger than using 'cloths' and that I would (should) need about 1/4" + thickness or more (10+ layers of chopped matt) to be able to reasonably house some subs.. But, as I talked to more and more people (and did more research) and contacted those in the fiberglass industry, I learned that I would probably be able to get away with 4 layers of "bi-biased" (bi-directional strength) cloth (which uses 1/2 the resin as chopped matt, by the way) instead of 12+ layers of matt.. That means the thickness would be under 1/8" and the cost about 1/4 of matting it up (and weight would be MUCH less)..

    What I think I'll end up doing is, 3 layers of cloth (like the Knytex shown here) with a little carbon fiber roving (thin thread like strands wrapped/twisted into a ropeish thing) mixed in for added strength.. Given the shape of what I'll end up making (and the outer contours), that should be fine..

    As a point of reference.. There are 'space' and flight/boat applications that use fiberglass as support structures that are 1/4" thick cloth buildups in some cases... If you can trust your life to 1/4" buildup of good cloth, how can you expect that sub-woofers wouldn't work in something less?




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    Originally posted by 91lacdeville
    im gonna do alot of custom fiberglass work to my car. Hopefully i will be running 8 ed 12 o's and 4 nine.1's. but we will see.
    That would be ****in' sweet man... Do it.

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    Quote Originally Posted by DJGTSR
    I dont mean to be rude, but what is the highest level of education that you finished?

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    Originally posted by ss3079
    That would be ****in' sweet man... Do it.

    - Steve
    I will if i can get the money
    Last edited by 91lacdeville; 03-16-2003 at 03:32 PM.




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    Originally posted by Goddyd4me
    is that the guy that is building the fake seat/sub boxes????

    yeah man mike pipes. He is a good freind. Very knowledgable man.



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