NISZILA Posted April 9, 2007 Share Posted April 9, 2007 (edited) Hey guys Just needed some advice... I want to rebuild my boot so that my sub (12") fits into the right hand side of the boot. I want it moulded in so that it can be as out of the way as possible so I can utilise the rest of my boot space. Atm my boot is half filled with a sub box. What I was wondering is, if I do the moulding with fibre glass, what is the likelihood of it cracking. I want to build an MDF frame and make the fibre glass mouldings around it, but I'm worried about cracking the same way fibre glass bodly kits crack over time. Is there a better way of doing it or should I not worry about this. I figured that with the extra rigidity of a good frame, this may not even be a problem. Any advice or previous experience would be greatly appreciated Edited April 9, 2007 by R33-GTS Link to comment https://www.sau.com.au/forums/topic/163833-advice-needed-for-boot-mould-for-sub/ Share on other sites More sharing options...
DECIM8 Posted April 9, 2007 Share Posted April 9, 2007 Build it thick and it will be fine... Build it thin and it will crack and explode under presure... You have little or nothing to worry about mate ... a fibreglass box will be fine! im making one for my tyre well now .. just for tips make sure you get all the air bubbles out first because they are a killer Link to comment https://www.sau.com.au/forums/topic/163833-advice-needed-for-boot-mould-for-sub/#findComment-3038229 Share on other sites More sharing options...
NISZILA Posted April 11, 2007 Author Share Posted April 11, 2007 Cool, thanks for the advice Might start some measuring up and designing this weekend Link to comment https://www.sau.com.au/forums/topic/163833-advice-needed-for-boot-mould-for-sub/#findComment-3042777 Share on other sites More sharing options...
DECIM8 Posted April 11, 2007 Share Posted April 11, 2007 oh one more thing .. Get like 250g or whatever measurement they use for fibreglass because i got 400-450 its way to thick even tho you can split it its just useless Link to comment https://www.sau.com.au/forums/topic/163833-advice-needed-for-boot-mould-for-sub/#findComment-3042805 Share on other sites More sharing options...
Fhrx Posted April 11, 2007 Share Posted April 11, 2007 For a single 12" subwoofer you'll want the wall thickness to be between 6mm and 12mm depending on how many bends, strengthening ridges etc are in it. When constructing fibreglass enclosures here we utilise an extremely sophisticated testing procedure to see if the enclosure is strong enough. I put them on the ground and jump on them. If the wall flexes at all then it is not strong enough. Link to comment https://www.sau.com.au/forums/topic/163833-advice-needed-for-boot-mould-for-sub/#findComment-3042953 Share on other sites More sharing options...
DECIM8 Posted April 11, 2007 Share Posted April 11, 2007 humm thats some good testing you got there haha I think I need a few more layers on mine yet .. I got 3 layers of 450 and it still flexes.. Not to mention leaks on the bends. :S Link to comment https://www.sau.com.au/forums/topic/163833-advice-needed-for-boot-mould-for-sub/#findComment-3043656 Share on other sites More sharing options...
cheez Posted April 14, 2007 Share Posted April 14, 2007 hey mate here is a pic of my 10inch in the boot. to fit in a 12 is no probs just need to extend the front of the box forward another 3-4inches. (did that in a mates car) maes the edge of the box come in line with the boot itself. might make you change your mind in fibreglassing a sub box. Link to comment https://www.sau.com.au/forums/topic/163833-advice-needed-for-boot-mould-for-sub/#findComment-3048905 Share on other sites More sharing options...
NISZILA Posted April 16, 2007 Author Share Posted April 16, 2007 hey matehere is a pic of my 10inch in the boot. to fit in a 12 is no probs just need to extend the front of the box forward another 3-4inches. (did that in a mates car) maes the edge of the box come in line with the boot itself. might make you change your mind in fibreglassing a sub box. That's an awesome job! Now you've got me rethinking my design Might take me a couple of weekends to put it all together. I'll post up some pics when I'm done Link to comment https://www.sau.com.au/forums/topic/163833-advice-needed-for-boot-mould-for-sub/#findComment-3051927 Share on other sites More sharing options...
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