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Old 18th August 2007, 11:26 PM   #1
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Default MK’s TQWT additional bracing?

Well, I had planned to build MK’s TQWT later this year but … as we are having a Brisbane Builders Met at my place on the 2 Sept and I have a few fee days available that week though I might build them for the met (hey, that’s risky building to a deadline!.

These are only trial boxes so I’m building out of “seconds” 17mm ply which no doubt has voids. So though I’d add bracing for more rigidity – see drawing (dims in inches) below. No science to this but assume tapered front/backs wouldn’t need much so put most on side-side. Any comments??

I couldn’t spot the positioning of the port on Martins drawing so have placed it 4” off the base

Cheers - Phil

PS - typical just spotted dim error - top measurement in 2.5" not 1"
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Old 19th August 2007, 06:44 AM   #2
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Default Dims adjusted

Should have modified sketch earlier but Doug [Brisso57] came to help me veneer the Small Thors - lookin good.

Just in case someone takes my sketch seriously (ha) this is now correct
top should be 2.5" as per MK, which effected some of my interior dims.
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Old 19th August 2007, 06:35 PM   #3
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Looks like totoally adequate over-kill

Just make sure the side-to-side braces are off-centre

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Old 19th August 2007, 07:47 PM   #4
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Looks good. The more bracing the better IMO.
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Old 19th August 2007, 10:29 PM   #5
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Dave – I assumed that as MK hadn’t included any bracing. As this is only a hobby and time isn’t an issue and the bracing is cheap – overkill is good.

Scott is my placement of the port correct – 4” off the base??

Cheers - Phil
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Old 19th August 2007, 11:07 PM   #6
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BTW this link gives some alternate ways to shape an ML-V (Milevea adds another way of folding one too)

http://www.t-linespeakers.org/FALL/bipolar/index.html

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Old 20th August 2007, 01:48 AM   #7
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Thanks for the link Dave, had looked at them ages ago and forgotten them. I actually like Martins lob sided design.

I’ve thought about bi-polars a couple of times but I like as much open space in my living room as possible so my speakers are always close(ish) to the wall. I’m assuming with bi-polars you’d need a good about of space between the speakers and the rear wall. That why I also like forward firing ports.

Cheers - Phil
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