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</o:shapelayout></xml><![endif]--></head><body bgcolor=white lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-family:"Comic Sans MS";color:#1F497D'>I found that using an IOTA 55A supply in the case that a sidewall mounted fan was not needed if the chargers cooling fins and fans were open to the air.<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Comic Sans MS";color:#1F497D'>My box is the typical Harbor Freight type with 2 opposed opening lids and the chargers are mounted on a top plate with a couple of 1 ½” holes for psu exhaust. Of course the psu fan is open to the air as well. The psu fan almost never runs at top speed even when loaded to 53A.<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Comic Sans MS";color:#1F497D'><o:p> </o:p></span></p><div><p class=MsoNormal><b><span style='font-size:10.5pt;font-family:"Comic Sans MS";color:#1F497D'>Dave Harmon<o:p></o:p></span></b></p><p class=MsoNormal><b><span style='font-size:10.5pt;font-family:"Comic Sans MS";color:#1F497D'>NSRCA 586<o:p></o:p></span></b></p><p class=MsoNormal><b><span style='font-size:10.5pt;font-family:"Comic Sans MS";color:#1F497D'>K6XYZ[at]sbcglobal[dot]net<o:p></o:p></span></b></p><p class=MsoNormal><b><span style='font-size:10.5pt;font-family:"Comic Sans MS";color:#1F497D'>Sperry, Ok.<o:p></o:p></span></b></p></div><p class=MsoNormal><span style='font-family:"Comic Sans MS";color:#1F497D'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> nsrca-discussion-bounces@lists.nsrca.org [mailto:nsrca-discussion-bounces@lists.nsrca.org] <b>On Behalf Of </b>Robert Campbell<br><b>Sent:</b> Thursday, July 05, 2012 9:39 PM<br><b>To:</b> General pattern discussion<br><b>Subject:</b> Re: [NSRCA-discussion] Cutting through side of metal carrying case?<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Tim,</span><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'><o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'> <o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>I've built several boxes for myself and friends and learned quite a bit in the process. It really depends on the size of hole you are planning to make. My boxes have 3 inch holes for cooling air. Each has an 80mm cooling fan, screen and grill. Fans are aligned for flow-through cooling. I use a hole saw and built a jig to securely hold the box while drilling/cutting.</span><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'><o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'> <o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>The biggest surprise with most "aluminum" cases is they are really heavy cardboard cases with heavy aluminum foil cutting. When I first tried a hole safe, it grabbed and almost destroyed the case! </span><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'><o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'> <o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'> <o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Rob</span><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'><o:p></o:p></span></p></div><blockquote style='border:none;border-left:solid black 1.5pt;padding:0in 0in 0in 4.0pt;margin-left:3.75pt;margin-top:5.0pt;margin-right:0in;margin-bottom:5.0pt'><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>----- Original Message ----- <o:p></o:p></span></p></div><div><p class=MsoNormal style='background:#E4E4E4'><b><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>From:</span></b><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'> <a href="mailto:Tim.Pascoe@ec.gc.ca" title="Tim.Pascoe@ec.gc.ca">Pascoe,Tim [Burlington]</a> <o:p></o:p></span></p></div><div><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>To:</span></b><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'> <a href="mailto:nsrca-discussion@lists.nsrca.org" title="nsrca-discussion@lists.nsrca.org">General pattern discussion</a> <o:p></o:p></span></p></div><div><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Sent:</span></b><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'> Thursday, July 05, 2012 7:55 AM<o:p></o:p></span></p></div><div><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Subject:</span></b><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'> [NSRCA-discussion] Cutting through side of metal carrying case?<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'><o:p> </o:p></span></p></div><p class=MsoNormal>I’m in the process of putting together a field charging case, and want suggestions on the best way to accurately cut holes in the sides of an aluminum carrying case. Since I’m sure others have gone before me, I’d rather not do it the hard way the first time <span style='font-family:Wingdings'>J</span><o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Thanks,<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span style='color:navy'>Tim Pascoe </span><span style='color:#1F497D'><o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p><div class=MsoNormal align=center style='text-align:center'><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'><hr size=2 width="100%" align=center></span></div><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'>_______________________________________________<br>NSRCA-discussion mailing list<br><a href="mailto:NSRCA-discussion@lists.nsrca.org">NSRCA-discussion@lists.nsrca.org</a><br><a href="http://lists.nsrca.org/mailman/listinfo/nsrca-discussion">http://lists.nsrca.org/mailman/listinfo/nsrca-discussion</a><o:p></o:p></span></p></blockquote></div></body></html>