The Big Chris Posted October 9, 2009 Author Report Share Posted October 9, 2009 I feel ya man, got to do whats best for you, right? Now, one option I failed to mention, even though this is on the DC Forum, and I love Rusty's products, I might suggest another sub. Sundown Audio Nightshade 18's will work in as small as 4ft3 net each and still give suprising results. Whatever you decide, good luck Ya I am pretty set on DC atm, especially with the pricing. Ima make it work! Quote Link to comment Share on other sites More sharing options...
Soulman07 Posted October 9, 2009 Report Share Posted October 9, 2009 My cadillac trunk measures out about the same... Maybe a tad bit smaller. If I were to go all the way up to the end of the trunk it'd be around 13 cubes.. max width of 39 height of 17 and depth of around 36 inches... I don't see that happening in a vic... You'd almost have to wall it just to get proper airspace for 18s, I went with two twelves and around 7 cubic feet of external box volume just to save SOME trunk space for tools/batteries. If built around the spare tire well and side walls utilizing the entire trunk space... You may have enough for two 18's. Properly bracing the box will drastically reduce your airspace though.. My total volume was around 7.3 external after displacements it dropped down to around 4.7, I'd love to see the finished product... An see if it holds up with that kind of power. Quote 1993 Chevrolet SWB Pickup Viper 791XV Primer Stage 5/8 Static Drop Kinetik HC1800 Big 3 Knu Flex 0 Team Tex Flex Link to comment Share on other sites More sharing options...
matt402 Posted October 10, 2009 Report Share Posted October 10, 2009 i would like to see u do the 2 15s. airspace is a subs best friend . Quote Link to comment Share on other sites More sharing options...
The Big Chris Posted October 10, 2009 Author Report Share Posted October 10, 2009 I have 48" width, 28" height and 28" depth in the tub alone. Whats the equation to figure out airspace? Quote Link to comment Share on other sites More sharing options...
The Big Chris Posted October 11, 2009 Author Report Share Posted October 11, 2009 ? Quote Link to comment Share on other sites More sharing options...
mwerling1212 Posted October 11, 2009 Report Share Posted October 11, 2009 you have to factor in the wood thickness, and the bracing which should be a lot for 2 lvl5's, and you also need room for your amps and batteries. Quote Link to comment Share on other sites More sharing options...
1992Chevy K1500 Posted October 11, 2009 Report Share Posted October 11, 2009 (edited) I have 48" width, 28" height and 28" depth in the tub alone. Whats the equation to figure out airspace? Subtrat wood thickness from those measurements(sp?) and multiply the 3 numbers together. Then divide the answer by 1728. You'll wanta use at least 1" wood (just to be on the safe side) so: 48-1=47 28-1=27 47 * 27 * 27 = 34,263 34,263 / 1728 = 19.8 So 19.8 cubic feet using 1" thick wood (assuming the measurements you gave are correct). With that much airspace, you could make it out of double layered 1" thick wood (for a total of 2" thickness) and still have about 17.99 cubic feet. EDIT: Not including internal bracing, of course. EDIT: Well crap. I just used an online calc to check my math, and either it's ****** up or my math is, cause with 2" wood thickness, it's giving me 14.667 cubic feet. Still plenty, but less than what I got originally. EDIT: found the problem. My math was off, but quite a lot. Edited October 11, 2009 by 1992Chevy K1500 Quote My comp setup (Not bad for what it is): HP Compaq Presario V6120US laptop with: 15.4" widescreen AMD Turion 64 X2 1.6GHz processor 2x1GB stick DDR2 SDRAM (667 Mhz) Seagate Momentus 500GB SATA HDD 128MB shared video memory Windows 7 Home Premium 64 bit 12 cell Lithium Ion battery (actual battery usage time: 6 hours) What it does: On a USB 2.0 Wireless card Link to comment Share on other sites More sharing options...
The Big Chris Posted October 11, 2009 Author Report Share Posted October 11, 2009 Ya see I have PLENTY of room. All the amps are going inside the car into a custom center console. 2 of of the Kinetiks will be in the trunk on the sides of the shelf and 2 more will be inside the car in the center console. Quote Link to comment Share on other sites More sharing options...
zfrerichs Posted October 11, 2009 Report Share Posted October 11, 2009 28 tall in a trunk? you cut the floor out and make a custom floor board or something? Quote Roseville, CA Link to comment Share on other sites More sharing options...
The Big Chris Posted October 12, 2009 Author Report Share Posted October 12, 2009 28 tall in a trunk? you cut the floor out and make a custom floor board or something? nope...and thats actually just to the gasket around the trunk, if needed be it could still go another inch to 29". But 28" is safe. Quote Link to comment Share on other sites More sharing options...
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