the12volt.com spacer
the12volt.com spacer
the12volt.com spacer
the12volt.com spacer
icon

Measuring Enclosure Size


Post ReplyPost New Topic
< Prev Topic Next Topic >
boulderguy 
Silver - Posts: 507
Silver spacespace
Joined: April 17, 2005
Location: United States
Posted: June 17, 2005 at 11:56 PM / IP Logged  

When building custom fiberglass sub enclosures (something like a stealthbox), how do you measure the interior volume? 

Specifically, if I want to build a sealed box with 1.6 cu ft (for instance), how do I plan out the size of the fiberglass base, the spacing F to R, bracing, all that good stuff to come out with the right size?  Should I just overbuild it and stuff it with batting? 

Are there any tricks to compensate for an over/undersized box once done? 

Also, what's the best way to attach the box to the vehicle once done?  I'm thinking T-nut in the FG, but would that overstress the point it's inserted into?

Thanks!

boulderguy 
Silver - Posts: 507
Silver spacespace
Joined: April 17, 2005
Location: United States
Posted: June 18, 2005 at 12:52 AM / IP Logged  

Oh, OK - now I see the Sticky on foam peanuts & measuring volumes.  Sounds like I guess (big) based on rough measurements, build the base & fill with foam/water/sand - maybe all three for the hell of it.  If it's too big or small, any easy fixes other than re-sizing?  Maybe fill with some peanuts?  I guess I could just leave some water in there.  In a bag.  It probably won't leak...

And someone said Caps=Evil.  What's that about?

ravenndude 
Silver - Posts: 250
Silver spaceThis member has made a donation to the12volt.com. Click here for more info.spacespace
Joined: March 07, 2004
Location: United States
Posted: June 18, 2005 at 1:47 AM / IP Logged  
If it's too big you can just add blocks of wood or something like that. Too small ... IDK sbout that.
Velocity Motors 
Moderator - Posts: 12,487
Moderator spaceThis member has made a donation to the12volt.com. Click here for more info.spaceThis member has been recognized as an authority in Electrical Theory. Click here for more info.spaceThis member has been recognized as an authority in Fabrication. Click here for more info.spaceThis member has been recognized as an authority in Mobile Audio and Video. Click here for more info.spaceThis member has been recognized as an authority in Mobile Security and Convenience. Click here for more info.spacespace
Joined: March 08, 2002
Location: Manitoba, Canada
Posted: June 18, 2005 at 3:09 AM / IP Logged  
If it's too small you can use Dacron filler to fool the sub into thinking it's in an enclosure 20 % larger than it really is.
Jeff
Velocity Custom Home Theater
Mobile Audio/Video Specialist
Morden, Manitoba CANADA
One_Dieu 
Copper - Posts: 57
Copper spacespace
Joined: February 19, 2005
Location: United States
Posted: June 18, 2005 at 10:25 AM / IP Logged  

Jeff

Where can you find Dacron filler?  Also where can I find printable copies of the articles done on your work?

Respect the Blood Line
boulderguy 
Silver - Posts: 507
Silver spacespace
Joined: April 17, 2005
Location: United States
Posted: June 18, 2005 at 11:12 AM / IP Logged  

Velocity Motors wrote:
If it's too small you can use Dacron filler to fool the sub into thinking it's in an enclosure 20 % larger than it really is.

Jeff, I heard that before, but I don't follow how it could work.  Seems like if I stuff it like that the sub would see more air resistance (meaning less air volume).  Have you tried this - does it really work?

Also - any thoughts on how to attach the sub box to the vehicle?

oonikfraleyoo 
Gold - Posts: 1,069
Gold spaceThis member has made a donation to the12volt.com. Click here for more info.spacespace
Joined: January 04, 2005
Location: United States
Posted: June 18, 2005 at 12:09 PM / IP Logged  
Yes it really works. It slows the air movement and therefore "adds" space.
Nik
Jeeputer Progress
[|||||||||||-] 90%
Check it out.
crzycreations 
Copper - Posts: 52
Copper spacespace
Joined: February 22, 2005
Location: United States
Posted: June 18, 2005 at 1:57 PM / IP Logged  

oonikfraley00: so could purposely make an enclosure smaller and use that stuff to make up the difference? would it sound the same as an enclosure that had the correct airspace without the dacron filler? thanks

-ryan

-Don't buy it, Build it-

Sorry, you can NOT post a reply.
This topic is closed.

  Printable version Printable version Post ReplyPost New Topic
You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot delete your posts in this forum
You cannot edit your posts in this forum
You cannot create polls in this forum
You cannot vote in polls in this forum

  •  
Search the12volt.com
Follow the12volt.com Follow the12volt.com on Facebook
Sunday, July 25, 2021 • Copyright © 1999-2021 the12volt.com, All Rights Reserved Privacy Policy & Use of Cookies
Disclaimer: *All information on this site ( the12volt.com ) is provided "as is" without any warranty of any kind, either expressed or implied, including but not limited to fitness for a particular use. Any user assumes the entire risk as to the accuracy and use of this information. Please verify all wire colors and diagrams before applying any information.

Secured by Sectigo
the12volt.com spacer
the12volt.com spacer
the12volt.com spacer
Support the12volt.com
Top
the12volt.com spacer
the12volt.com spacer