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integra trunk setup - first project

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Member - Posts: 47
Member spacespace
Joined: February 15, 2004
Posted: February 16, 2005 at 12:20 AM / IP Logged  

Hey guys - great site here....i have startd my first large fiberglassing project.  it is a combination MDF/fiberglass single 15" sub setup for my Acura integra hatch.  I am using an Ascendant Audio (new company aimed at SQ subs, they use XBL^2 technology like Adire and Resonant Engineering) Atlas 15.  Here are some pics and a CAD drawing I did with the essential box design.  The pics some the MDF box, with the actual rear deck of the car from above the back seats taken out and used as a base for the fiberglass.  i screwed it to the MDF box, then cut out the middle of it. it was made of a masonite material.  i added a thin speaker ring (thin because i am limited on space, a 15 barely fits between the seats and the rear window) though it was thick enough to support the sub and screw into.  I fleeced it and added 4 layers of glass. there was very slight flexing in the large flat areas before bondo but no longer.  i am not worried about fiberglass strength really becasue no pressure will be exerted on it - the MDF box is all that will have pressure on it (and actually the fiberglass tunnel i made will too, connecting the speaker ring with the hole in the MDF and making a seal....i think i need to add a layer or 2 more that tunnel actually)  i have bondoed the main section, and added a layer of high build primer to see the rough spots clearly.  i then re bondoed and added another coat of HB primer.  that is where i am at now.  i need to finish sanding/spot puttying, primer, paint, and clear.  the lower portion of the box that is MDF will be covered in black carpet.  the top fiberglass section will be high gloss black.  to clarify the design the 15" sub will actually face INTO the cabin.  i have tested it and it sounds amazing.  great SQ...Ascendant really delivered with its use of XBL^2 motors.

as for paint i have a trick up my sleeve that i dont think i have seen anyone on the internet talk about - i may be the first, lol!

anyway, i do not have a way to spray good quality clear, and i cant really afford to have this painted professionally.  i came upon a product called Enviro-Tex while reading one of my Model Railroading magazines.  This is a 2 part (epoxy) clear coat product that is 100 percent self leveling and dries very thick and hard in just one coat.  once mixed, it pours out wit te consistency of honey (very thick stuf) and SLOWLY spreads over the work surface, using gravity to self level.  with help from a brush on some spots to reduce surface tension, this stuf wil just keep spreading itself to the edge of the workpiece and excess will drip off.  when it dries you get a hard, glass like finish that is completely free of orange peel.  this is a great alternative for those of us that cant spray our clear on our fiberglass projects.

here is a pic of a key i made from scratch using only the metal portion of a standard key...i used QuikSteel to shape the key, flat black paint, then printed Acura emblems on photo paper, glued them to the flat black, the added Enviro-Tex....BTW, only drawback to this product is that is takes about 2 days to in, still sticky and you cant even touch it for 2 days or it will ruined....

anyway, here are some crappy camera phone pics...good ones to follow when i finish

even though it doesnt look it, it was actually pretty damn smooth when those pics were taken

Silver - Posts: 250
Silver spaceThis member has made a donation to Click here for more info.spacespace
Joined: March 07, 2004
Location: United States
Posted: February 16, 2005 at 2:50 PM / IP Logged  
looks great so far ... Good Job!
Member - Posts: 47
Member spacespace
Joined: February 15, 2004
Posted: February 16, 2005 at 3:34 PM / IP Logged  
i am doing ceratin things with this unconventionally because of the tight space constraints...the top of the sub will be at the apex about 3/4" from the glass!  this meant i couldnt do the conventional double speakker ring setup to recess the sub. after much debate, i have decided i like the recessed look far better than not, so i am going to add a very thin ring and then do a concave shape up to it from what it alreay there using a resin and sawdust mixture i see so much about on here.  the ring will be about 3/4 inch tall, and only like 1/8 thick or so.....using MDF to make a ring this thin will be very ard, especially since i am relegated to using a jigsaw as my routers are at home and i am at college 900 miles form most of my tools.  any ideas on what i could use? i was thinking maybe a strip of aluminum that i could bend around the subwoofer itself to get the circle and radius nice and tight to the woofer, then glue it to what i have, and fill in the concave shape....
Gold - Posts: 2,015
Gold spacespace
Joined: October 20, 2002
Location: Texas, United States
Posted: February 17, 2005 at 1:29 AM / IP Logged  
whats the deal w/ the key? what did you do to it? what happen to the hole for the ring?
"The two most common elements in the universe are H+ and stupidity" (Ellison).
Member - Posts: 47
Member spacespace
Joined: February 15, 2004
Posted: February 17, 2005 at 7:53 AM / IP Logged  

profuse007 wrote:
whats the deal w/ the key? what did you do to it? what happen to the hole for the ring?

the deal is that i made that from scratch...and the clear coat i used is the product i described in the first post.....i was showing the key as an example of the clear with no orange peel...

as for no hole for the key....i originally designed it as a key fob, that is all i carried around....since then i have drilled a hole for my alarm remote key ring....

Silver - Posts: 751
Silver spacespace
Joined: September 09, 2004
Posted: February 17, 2005 at 9:09 AM / IP Logged  
Cool man!
Learning the trade one fiberglass creation at a time!
Copper - Posts: 115
Copper spacespace
Joined: November 17, 2004
Location: United States
Posted: February 17, 2005 at 11:10 AM / IP Logged  

hey, I like the look of the project so far, i can't really understand how it'll fit in the car, on it's side or bottom, but it looks well made, I'll wait on the install pics :)

ps that epoxy is really cool stuff, where did you get it, and how much is is?

Member - Posts: 47
Member spacespace
Joined: February 15, 2004
Posted: February 17, 2005 at 3:15 PM / IP Logged  
the epoxy clear is called is about $16 for like 32oz i think....i got it at a craft store but i think Home Depot sells it now, in the paint section by the wood finishes and Minwax etc...
doc t 
Copper - Posts: 169
Copper spacespace
Joined: April 11, 2004
Location: South Carolina, United States
Posted: February 17, 2005 at 6:03 PM / IP Logged  
I cant use it. It sounds cool as hell but the 2 days of dust and dirt free drying time... i don't have.integra trunk setup - first project -- posted image.
All Bleeding stops.....eventually!
Member - Posts: 47
Member spacespace
Joined: February 15, 2004
Posted: February 18, 2005 at 1:28 AM / IP Logged  
ive never had a problem with dust getting in it while drying before...i mean it tacks up within a few hours.  basically if left in a normal room under ordinary conditions it can dry dust free.....but if you are sanding in the room woth it or something then obviously you are gonna be SOL
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