Ridin Solo Posted May 24, 2012 Report Share Posted May 24, 2012 (edited) I'm running (2) 18" Aq HD3's powered by (2) Cresendo 2250's .. My current class is Super Street no wall and would like to stay in that class...Only way i can make box work and stay in the peramiters for my class is to Drastically round the top of my box .. I've posted pictures below so you kinda get the idea of what i wanna build .. already have everything designed and used torres calc to figure port size...My question is will the round tops of the box cause any problems? It's kinda like 2 base tubes connected with a common port...But don't know if the round top will cause air to swirl around in the box? Any Help would be greatly appreciated... Edited May 24, 2012 by Ridin Solo Quote Link to comment Share on other sites More sharing options...
n8ball2013 Posted May 24, 2012 Report Share Posted May 24, 2012 im confused on how thats going to keep you in the same class. Quote THERE IS NO BUILD LOG! 1998 Chevy Silverado ext cab Alpine CDA-9887 4 Team Fi 15s 2 Ampere Audio TFE 8.0 2 Ampere Audio 150.4 3 Digital Designs CS6.5 component sets Dual Mechman 370XP Elite alternators inbound! 8 XS Power d3400 6 XS power d680 Second Skin Stinger Tsunami Wiring Sky High A Real Voltmeter not a piece of shit stinger. Link to comment Share on other sites More sharing options...
Ridin Solo Posted May 24, 2012 Author Report Share Posted May 24, 2012 (edited) have to stay 13 inches from headliner in truck... so have to curve down on sides.. if i build a square box 13" from headliner on the sides it's not big enough for 18's Edited May 24, 2012 by Ridin Solo Quote Link to comment Share on other sites More sharing options...
Bump4life Posted May 24, 2012 Report Share Posted May 24, 2012 (edited) agreed nate. isnt headliner at fron of car? OP to answer question, as long as the air space is there, you are good. The air inside the box doesn't "flow" like you'd think. its not like a wind tunnel.but kinda is. its the same reason you dont need 45s in corners to direct air flow Edited May 24, 2012 by Bump4life Quote Buyer/Seller Feedback Thread: http://www.stevemead...5015-bump4life/ MB C220 153 Trunk Car Build Log: http://www.stevemead...d/#entry1840136 MB C280 Ipad Dash SQ Build Log: http://www.stevemeadedesigns.com/board/topic/194484-bump4lifes-new-benz-tony-c-relay-kit-pictures-ce-electric-audison-front-stage-installed/ My SPL Log: http://www.stevemead...__fromsearch__1 BMW M340 xDrive Stock, for now. Corner Load 10" maybe soon. But does 10s in the 1/4... Best Scores out of a trunk 153.0 sealed legal full tilt clamped 5524 @ 42 hz 154+ windows down, 155+ kick Link to comment Share on other sites More sharing options...
Ridin Solo Posted May 24, 2012 Author Report Share Posted May 24, 2012 (edited) it's an expedition headliner goes throuout.. if i'm less than 13" it puts me in wall class Edited May 24, 2012 by Ridin Solo Quote Link to comment Share on other sites More sharing options...
Bump4life Posted May 24, 2012 Report Share Posted May 24, 2012 i saw you said trunk and assumed it was a trunk car. still how is that helping you. if it does,it does, box design would be cool! go for it, i dont seee problems Quote Buyer/Seller Feedback Thread: http://www.stevemead...5015-bump4life/ MB C220 153 Trunk Car Build Log: http://www.stevemead...d/#entry1840136 MB C280 Ipad Dash SQ Build Log: http://www.stevemeadedesigns.com/board/topic/194484-bump4lifes-new-benz-tony-c-relay-kit-pictures-ce-electric-audison-front-stage-installed/ My SPL Log: http://www.stevemead...__fromsearch__1 BMW M340 xDrive Stock, for now. Corner Load 10" maybe soon. But does 10s in the 1/4... Best Scores out of a trunk 153.0 sealed legal full tilt clamped 5524 @ 42 hz 154+ windows down, 155+ kick Link to comment Share on other sites More sharing options...
n8ball2013 Posted May 24, 2012 Report Share Posted May 24, 2012 because on the sides the headliner is closer to the floor than it is in the middle. it has a curve. I get it now. Quote THERE IS NO BUILD LOG! 1998 Chevy Silverado ext cab Alpine CDA-9887 4 Team Fi 15s 2 Ampere Audio TFE 8.0 2 Ampere Audio 150.4 3 Digital Designs CS6.5 component sets Dual Mechman 370XP Elite alternators inbound! 8 XS Power d3400 6 XS power d680 Second Skin Stinger Tsunami Wiring Sky High A Real Voltmeter not a piece of shit stinger. Link to comment Share on other sites More sharing options...
Ridin Solo Posted May 24, 2012 Author Report Share Posted May 24, 2012 cool as i already built it but friend keeps telling me it won't work because air will swirl around and i have to have a square box for spl...Thanks for the help Quote Link to comment Share on other sites More sharing options...
IBleedMusick Posted May 24, 2012 Report Share Posted May 24, 2012 because on the sides the headliner is closer to the floor than it is in the middle. it has a curve. I get it now. You sneaky sum bish. Nice tactic on getting what you want while staying within the params. I would be interested to see how this sounds though, I am gussing you will kerf the box to curve it? Anyhow this is a cool idea. Quote 2013 Dodge Charger Build Log 1996 Ford Explorer XLT 5.0Build Log 2005 Honda Civic LX Coupe Build Log SMD SUPER SELLER!!!!My Selling Feedback Link to comment Share on other sites More sharing options...
n8ball2013 Posted May 24, 2012 Report Share Posted May 24, 2012 if its strictly for SPL who cares how it sounds lol. Quote THERE IS NO BUILD LOG! 1998 Chevy Silverado ext cab Alpine CDA-9887 4 Team Fi 15s 2 Ampere Audio TFE 8.0 2 Ampere Audio 150.4 3 Digital Designs CS6.5 component sets Dual Mechman 370XP Elite alternators inbound! 8 XS Power d3400 6 XS power d680 Second Skin Stinger Tsunami Wiring Sky High A Real Voltmeter not a piece of shit stinger. Link to comment Share on other sites More sharing options...
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