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4pi port question [message #52526]

Sat, 23 August 2008 13:56

ecc83
Messages: 19
Registered: May 2009

Chancellor

Is it possible to convert the rectangular port to a round one?
I have some 4" ports and if its possible i will use them in the 4pi.

Thanks
Frank

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Re: 4pi port question [message #52530 is a reply to message #52526]

Sun, 24 August 2008 22:13

Wayne Parham
Messages: 18783
Registered: January 2001

Illuminati (33rd Degree)

You could use a round port of the same length and cross section area except that it won't fit. The baffle layout is pretty tight.

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Re:I like the molding nt [message #52533 is a reply to message #52530]

Sun, 24 August 2008 22:39

Bill Epstein
Messages: 1088
Registered: May 2009
Location: Smoky Mts. USA

Illuminati (2nd Degree)

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Re: 4pi port question [message #52534 is a reply to message #52530]

Mon, 25 August 2008 10:24

ecc83
Messages: 19
Registered: May 2009

Chancellor

Thanks very much- i understand.

Is it possible to round the corners for the port cutout in the baffle?

I have a router and the cutout would be easier to do...

Frank

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Re: 4pi port question [message #52535 is a reply to message #52534]

Mon, 25 August 2008 13:03

Wayne Parham
Messages: 18783
Registered: January 2001

Illuminati (33rd Degree)

Absolutely. Rounding the corners with a router is just fine. You just about have to do it that way. After cutting the hole with a router, you can square the edges with a file if you want, but it won't hurt anything to leave them rounded in the corner edges.

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Re: 4pi port question [message #52536 is a reply to message #52535]

Mon, 25 August 2008 22:29

Bill Epstein
Messages: 1088
Registered: May 2009
Location: Smoky Mts. USA

Illuminati (2nd Degree)

I found that cutting the port hole with a jigsaw slightly undersize, then carefully lining up and gluing on the port worked great. Eliminated the need for a router template to get the hole right.

After the veneer was applied, I then routed the hole using the port as a guide with a 1/4" flush trim bit. That left just a 1/4" round in the corners which looks good.

Be sure there's no dried glue on the interior surface of the port to spoil it's use as a guide.

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