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I thought those were defined, but if not, it is probably in here: https://www.dropbox.com/s/nif78zqk11...ntier.pdf?dl=0... -
When i saw "farmers" in quotes I thought this might be about Colorado or Washington "farmers" hahaLeave a comment:
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I read a great book recently, that while related more to agriculture than gardens, still has lessons to apply. When you first start reading you'll think...Leave a comment:
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Wow those are totally different wg's. The 7" has a throat entry angle of only about 32 degrees, while 8" was quite wide, about 112 degrees....Leave a comment:
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That's enough for me to figure it out, thanks Pete!Leave a comment:
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Were these conical at the throat, or curved? If curved what was the radius?Leave a comment:
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I've sent 4 designs to the printer. One has the surround overhang, and really I probably should have just done this one since if it works well, would...Leave a comment:
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Well I originally used a golden ellipse, so that should be the same as what you describe. But what i realized was that, once you define the tangency,...Leave a comment:
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Just did three more designs, to test throat angle. Basically they are all conical so I can set that angle, then with huge fillet that smoothly transitions...Leave a comment:
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I apologize, I haven't been using the standard language for horns, so I've been calling out the wrong angles, which might have led to some confusion....Leave a comment:
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Alternately you can flip the ellipse so the wall at the throat is straighter and tighter curve is happening at the mouth:...
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Here is the profile I'm working on. Makes me wonder how so many commercial designs get away with such shallow throats and no phase shield....
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I'm playing with an elliptical flare right now, aiming for around 60-ish degrees at the throat. I actually used Dave's waveguide on the NE19 which worked...Leave a comment:
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I've found F360 to be really easy to learn, compared to Sketchup which I hated. FWIW....Leave a comment:
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ryan was that you at the SE userlist asking about soundcards and Win10 about a month ago? I've used the Behringer UCA202 with win10 and V22 the last week...Leave a comment:
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I think Fusion 360 will generate tool paths for your CNC, and it's free to hobbyists....Leave a comment:
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Here you go: https://www.dropbox.com/s/0t38u949om...mance.pdf?dl=0...Leave a comment:
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As people have discovered before, what is going on right at the throat is the most critical factor. I've got some other phase shield designs to play with,...Leave a comment:
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Moving on to the shallower .75" deep, non-tangent mouth waveguide.
Original .47" wide phase shield:
Skipped...Leave a comment:
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Another phase shield comparison, this time on the deeper 1", tangent mouth waveguide.
With original .47" wide PS:
...Leave a comment:
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augerpro
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Last Activity: Today, 01:13 PM
Joined: 06-26-2008
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