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Low Earth Orbit
DIY Audio
New DIY Mid High (90deg) - AKA PM90
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<blockquote data-quote="Simon Coffin" data-source="post: 133954" data-attributes="member: 388"><p>Re: New DIY Mid High</p><p></p><p>Hey Peter,</p><p></p><p>Do you have the plans for the box drawn up yet? I have some ideas for flying hardware I'd like to sketch up and show to a Professor of Mechanical Engineering here at Penn State University. I think this idea could be built fairly easily, but I'm still trying to find off-the-shelf sources for some of the pieces. Possibly using my Penn State sources, I could have one tested to destruction and generate some meaningful load ratings. With those numbers and tests, a certification should be within reach.</p><p></p><p>Assuming they are flown one under the other, what do you think the splay angle should be?</p><p></p><p>One other question, the back side of the 12"s are vented into the horn mouth. What calculations are required to get the size and placement of that port correct?</p><p></p><p>Once again, great work.</p><p></p><p>Cheers,</p><p>Simon</p></blockquote><p></p>
[QUOTE="Simon Coffin, post: 133954, member: 388"] Re: New DIY Mid High Hey Peter, Do you have the plans for the box drawn up yet? I have some ideas for flying hardware I'd like to sketch up and show to a Professor of Mechanical Engineering here at Penn State University. I think this idea could be built fairly easily, but I'm still trying to find off-the-shelf sources for some of the pieces. Possibly using my Penn State sources, I could have one tested to destruction and generate some meaningful load ratings. With those numbers and tests, a certification should be within reach. Assuming they are flown one under the other, what do you think the splay angle should be? One other question, the back side of the 12"s are vented into the horn mouth. What calculations are required to get the size and placement of that port correct? Once again, great work. Cheers, Simon [/QUOTE]
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New DIY Mid High (90deg) - AKA PM90
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