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fiberglass kick panels


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jessexpress 
Member - Posts: 6
Member spacespace
Joined: September 22, 2002
Location: United States
Posted: January 05, 2003 at 4:44 PM / IP Logged  
I am building some fiberglass kicks for my car.  This is pretty much my first time working with fiberglass so I was wondering how many layers of cloth I should have for the bottom part of the mat.  I've got 5 layers down so far.  I've seen some pictures online and some of these guys look like they have so many layers down that their pod is almost an inch thick. (maybe just the pictures).  I was wondering if my five layers is enough fiberglass for the pods to be durable.  Also, I was wondering if I could use some of the Bondo-Glass product to add some strength and thickness to the bottom part of the pod.  Finally, should I add dynamat or another sound deadening product to the inside of the pod?  Thanks.
crroush 
Copper - Posts: 151
Copper spacespace
Joined: August 02, 2002
Location: United States
Posted: January 05, 2003 at 5:07 PM / IP Logged  

I am curious, what websites have you viewed??

Craig

Velocity Motors 
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Moderator spaceThis member has made a donation to the12volt.com. Click here for more info.spaceThis member has been recognized as an authority in Electrical Theory. Click here for more info.spaceThis member has been recognized as an authority in Fabrication. Click here for more info.spaceThis member has been recognized as an authority in Mobile Audio and Video. Click here for more info.spaceThis member has been recognized as an authority in Mobile Security and Convenience. Click here for more info.spacespace
Joined: March 08, 2002
Location: Manitoba, Canada
Posted: January 05, 2003 at 10:31 PM / IP Logged  

I say use 6 - 7 layers of fiberglass only and about 4 - 5 layers if you are using fiberglass & Dynomat combo. Using bondo as an exterior smoothing compund will add strength to the project. The speakers will not be pushing alot of SPL through them so you will not have to make them too thick. The enclosure that I made for 3 12' Boston Pro's was about 3/8" thick with added braces on the inside. Going 1" thick is OVER KILL for just component speakers.

Jeff
Velocity Custom Home Theater
Mobile Audio/Video Specialist
Morden, Manitoba CANADA
jessexpress 
Member - Posts: 6
Member spacespace
Joined: September 22, 2002
Location: United States
Posted: January 06, 2003 at 12:29 AM / IP Logged  

Thanks for the advice.  I think the pictures I saw were just at an angle that made the fiberglass look thicker than it was.  I now have another question- I'm building the baffle out of MDF and I'm going to wrap the whole thing in fleece cloth, put the resin/hardener mixture on that and then add strips of fiberglass cloth.  Should I use the same 5-7 layers of cloth over the fleece like I did for the bottom piece?  Also, do you recommend cutting small 2" by 6" strips of fiberglass and putting it on like that or would you cut bigger pieces?  Thanks for all the help guys. 

Jesse

Big Purds 
Silver - Posts: 574
Silver spacespace
Joined: November 25, 2002
Location: Canada
Posted: January 07, 2003 at 8:52 AM / IP Logged  

it depends on the contours of the pod itself...if they are friendly biggerpieces are easy to work with...however, over many curves and angles smaller pieces are easier to work with...6 or 7 layers is way more than enough as well...I believe I have 3 layers and will be using a combination of brown bread in the pod and Cascade Deflex Pads on the door itself...even with the bare 3 layers resonance is almost non existant and I am running alot of power to my Focal PolyKevlars so it would be exploited if it were there...

good luck...take some pics and let us take a peek when you are done...


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