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Old 03-30-2006, 05:19 PM   #1 (permalink)
fiberglass section
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I'm going to be building a sub box where my storage bins where in my rx7. But I was thinking how to calculate how much space I need for the subs. Because the metal there is an odd shape.
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Old 03-30-2006, 05:52 PM   #2 (permalink)
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Quote:
Originally Posted by SwantonRX-7
I'm going to be building a sub box where my storage bins where in my rx7. But I was thinking how to calculate how much space I need for the subs. Because the metal there is an odd shape.
It is tough to do accurately. Estimate and when you get the box built fill it with something to measure the volume.
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Old 03-30-2006, 06:06 PM   #3 (permalink)
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Go buy a bag of packing peanuts from Staples or some place like that. The bag has a volume associated to it generally. At least here where I go, I can buy a 1 cu.ft. bag of these peanuts. It will get you close to what is in there for volume.
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Old 03-30-2006, 07:47 PM   #4 (permalink)
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Quote:
Originally Posted by MR2NR
Go buy a bag of packing peanuts from Staples or some place like that. The bag has a volume associated to it generally. At least here where I go, I can buy a 1 cu.ft. bag of these peanuts. It will get you close to what is in there for volume.
even if the bag doesn't have a volume, or it's something a lot bigger that 1 cu ft, after you fill your enclosure with the peanuts, transfer them to a known box, that you know the volume of and calculate from there. like a 1 cu ft card board box or something.

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Old 03-30-2006, 10:34 PM   #5 (permalink)
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ok.....here is what you do.

step 1 - go to the dollar store and pick up either a measuring cup that will measure a litre, or a pail that has litre measurements on it
step 2 - go to walmart and pick up a bigass box (or several) of cheap cat litter. In my case, I get the normal cat litter that we usually get to avoid having to buy it later.
step 3 - measure out a litre at a time (or several litres if you have a big enough acturate container like a water pail) and keep track of how many litres you have.
step 4 - go to http://www.onlineconversion.com/volume.htm and convert to cubic feet.
step 5 - dump cat litter back into bag or another container and use it to help clean up all that left over fiberglass resin (or beer) that has spilled on the garage floor

note - another great reason to use cat litter instead of packing peanuts is if you have to go tinkle, you wont have to go far, and it almost cleans itself up.

I did this recently for an enclosure and it works great because since it is fairly uniform in size and fits in all areas and crevises extremely well. Plus if you push on it once its in the enclosure it wont compress down like packing peanuts.

Hope this helps
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Old 03-31-2006, 03:51 PM   #6 (permalink)
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Do you have a woofer in mind?

Are you going to vent the box? If not, does it really matter how accurate you guess it is?
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Old 03-31-2006, 11:45 PM   #7 (permalink)
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Well this is my first fiberglass and my subs don't have the options for a vented box.
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Old 04-01-2006, 01:36 AM   #8 (permalink)
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[quote=

note - another great reason to use cat litter instead of packing peanuts is if you have to go tinkle, you wont have to go far, and it almost cleans itself up.

I did this recently for an enclosure and it works great because since it is fairly uniform in size and fits in all areas and crevises extremely well. Plus if you push on it once its in the enclosure it wont compress down like packing peanuts.

Hope this helps[/QUOTE]

That's just plain smart, what a time saving way of doing things! We're always wasting time tinkling on our fibreglass enclosures. You rock dude!
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Old 04-01-2006, 01:37 AM   #9 (permalink)
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[quote=

note - another great reason to use cat litter instead of packing peanuts is if you have to go tinkle, you wont have to go far, and it almost cleans itself up.

I did this recently for an enclosure and it works great because since it is fairly uniform in size and fits in all areas and crevises extremely well. Plus if you push on it once its in the enclosure it wont compress down like packing peanuts.

Hope this helps[/QUOTE]

That's just plain smart, what a time saving way of doing things! We're always wasting time tinkling with our fibreglass enclosures. You rock dude!
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Old 04-01-2006, 02:08 AM   #10 (permalink)
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Quote:
Originally Posted by installman
That's just plain smart, what a time saving way of doing things! We're always wasting time tinkling with our fibreglass enclosures. You rock dude!
so fill the box with catcarp then tinkl into it too aaaaaaaaaaaaa ok if it is your box you can do what you like
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