<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div>If you want an easy way to track battery performance over time, check out RCLogBook for the iPhone... In fact, that gives me an idea for a k-factor article!</div><div><br></div><div>Peter+<br><br>Sent from my iPhone5</div><div><br>On Dec 10, 2012, at 1:50 PM, Larry Diamond <<a href="mailto:ldiamond@diamondrc.com">ldiamond@diamondrc.com</a>> wrote:<br><br></div><blockquote type="cite"><div><div style="color:#000; background-color:#fff; font-family:times new roman, new york, times, serif;font-size:12pt"><div style="RIGHT: auto"><span style="RIGHT: auto">Probably not something I would notice in intermediate. However, if running multiple packs for a 10s setup in higher classes, I might recommend pairing the packs for life and tracking the discharge performance. It would be easier to see when a pack starts to fall off. Perhaps many don't track the discharge/charge data that closely.</span></div>
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<div style="RIGHT: auto"><span style="RIGHT: auto">If I decide to run two 5s packs, or a combination of, that is what I will do... I don't fly well at this point, but I can see myself using Pattern Plane packs only for pattern planes and contests... I would have a seperate pool of packs for sport flying...</span></div>
<div style="BACKGROUND-COLOR: transparent; FONT-STYLE: normal; FONT-FAMILY: times new roman, new york, times, serif; COLOR: rgb(0,0,0); FONT-SIZE: 16px; RIGHT: auto"><span style="RIGHT: auto"></span><span style="RIGHT: auto"><var id="yui-ie-cursor"></var></span> </div>
<div style="BACKGROUND-COLOR: transparent; FONT-STYLE: normal; FONT-FAMILY: times new roman, new york, times, serif; COLOR: rgb(0,0,0); FONT-SIZE: 16px; RIGHT: auto"><span style="RIGHT: auto">Based on Dave's e-mail below, it may not be a concern.</span></div>
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<div style="BORDER-BOTTOM: #ccc 1px solid; BORDER-LEFT: #ccc 1px solid; PADDING-BOTTOM: 0px; LINE-HEIGHT: 0; MARGIN: 5px 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; HEIGHT: 0px; FONT-SIZE: 0px; BORDER-TOP: #ccc 1px solid; BORDER-RIGHT: #ccc 1px solid; PADDING-TOP: 0px" class="hr" contenteditable="false" readonly="true"></div><b><span style="FONT-WEIGHT: bold">From:</span></b> Dave Burtion <<a href="mailto:burtona@atmc.net">burtona@atmc.net</a>><br><b><span style="FONT-WEIGHT: bold">To:</span></b> mike mueller <<a href="mailto:mikemueller@f3aunlimited.com">mikemueller@f3aunlimited.com</a>>; General pattern discussion <<a href="mailto:nsrca-discussion@lists.nsrca.org">nsrca-discussion@lists.nsrca.org</a>> <br><b><span style="FONT-WEIGHT: bold">Sent:</span></b> Monday, December 10, 2012 2:08 PM<br><b><span style="FONT-WEIGHT: bold">Subject:</span></b> Re: [NSRCA-discussion] 6S+4S-Good or Bad?<br></font></div><br>
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<div><font size="2" face="Arial">I have 10S, 8S, and 6S electric pattern style planes. I buy only 5S and 3S packs and can mix and match to fly all of them with the needed combinations. I do buy all the same C ratings and Mah capacity for these packs though. It's been working OK for 2-3 years for me.</font></div>
<div><font size="2" face="Arial">Dave</font></div>
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<div style="FONT: 10pt arial">----- Original Message ----- </div>
<div style="FONT: 10pt arial; BACKGROUND: #e4e4e4"><b>From:</b> <a title="mikemueller@f3aunlimited.com" href="mailto:mikemueller@f3aunlimited.com" rel="nofollow" target="_blank" ymailto="mailto:mikemueller@f3aunlimited.com">mike mueller</a> </div>
<div style="FONT: 10pt arial"><b>To:</b> <a title="nsrca-discussion@lists.nsrca.org" href="mailto:nsrca-discussion@lists.nsrca.org" rel="nofollow" target="_blank" ymailto="mailto:nsrca-discussion@lists.nsrca.org">General pattern discussion</a> </div>
<div style="FONT: 10pt arial"><b>Sent:</b> Monday, December 10, 2012 2:30 PM</div>
<div style="FONT: 10pt arial"><b>Subject:</b> Re: [NSRCA-discussion] 6S+4S-Good or Bad?</div>
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<div><span> Great point Mark<var id="yiv1613929230yui-ie-cursor"></var><br class="yiv1613929230yui-cursor"></span></div>
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<div style="BORDER-BOTTOM: #ccc 1px solid; BORDER-LEFT: #ccc 1px solid; PADDING-BOTTOM: 0px; LINE-HEIGHT: 0; MARGIN: 5px 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; HEIGHT: 0px; FONT-SIZE: 0px; BORDER-TOP: #ccc 1px solid; BORDER-RIGHT: #ccc 1px solid; PADDING-TOP: 0px" class="yiv1613929230hr"></div><b><span style="FONT-WEIGHT: bold">From:</span></b> "Atwood, Mark" <<a href="mailto:atwoodm@paragon-inc.com" rel="nofollow" target="_blank" ymailto="mailto:atwoodm@paragon-inc.com">atwoodm@paragon-inc.com</a>><br><b><span style="FONT-WEIGHT: bold">To:</span></b> General pattern discussion <<a href="mailto:nsrca-discussion@lists.nsrca.org" rel="nofollow" target="_blank" ymailto="mailto:nsrca-discussion@lists.nsrca.org">nsrca-discussion@lists.nsrca.org</a>> <br><b><span style="FONT-WEIGHT: bold">Sent:</span></b> Monday, December 10, 2012 1:29 PM<br><b><span style="FONT-WEIGHT: bold">Subject:</span></b> Re: [NSRCA-discussion] 6S+4S-Good or
Bad?<br></font></div><br>I think this would be my biggest concern, that while the packs might be labeled the same (same MAH and C rating) that the interncal cells might actually vary more between 4s and 6s configurations than they would with identical 5s pack. Different production runs, etc.<br><br>Theoretically though there should be no difference.<br><br><br>Mark Atwood<br>Paragon Consulting, Inc. | President<br>5885 Landerbrook Drive Suite 130, Cleveland Ohio, 44124<br>Phone: 440.684.3101 x102 | Fax: 440.684.3102<br><a href="mailto:mark.atwood@paragon-inc.com" rel="nofollow" target="_blank" ymailto="mailto:mark.atwood@paragon-inc.com">mark.atwood@paragon-inc.com</a><mailto:<a href="mailto:mark.atwood@paragon-inc.com" rel="nofollow" target="_blank" ymailto="mailto:mark.atwood@paragon-inc.com">mark.atwood@paragon-inc.com</a>> | <a href="http://www.paragon-inc.com">www.paragon-inc.com</a><<a href="http://www.paragon-inc.com/" rel="nofollow" target="_blank">http://www.paragon-inc.com/</a>><br><br><br><br><br>On Dec 10, 2012, at 11:54 AM, Bill's Email wrote:<br><br>Yes, just like when using two 5S packs in series you must use the same capacity and "C" rating.<br><br><br>On 12/10/12 8:39 AM, J N Hiller wrote:<br>Same capacity and C rating also???<br>Jim<br><br>-----Original Message-----<br>From: <a href="mailto:nsrca-discussion-bounces@lists.nsrca.org" rel="nofollow" target="_blank" ymailto="mailto:nsrca-discussion-bounces@lists.nsrca.org">nsrca-discussion-bounces@lists.nsrca.org</a><mailto:<a href="mailto:nsrca-discussion-bounces@lists.nsrca.org" rel="nofollow" target="_blank" ymailto="mailto:nsrca-discussion-bounces@lists.nsrca.org">nsrca-discussion-bounces@lists.nsrca.org</a>> [mailto:<a href="mailto:nsrca-discussion-bounces@lists.nsrca.org" rel="nofollow" target="_blank" ymailto="mailto:nsrca-discussion-bounces@lists.nsrca.org">nsrca-discussion-bounces@lists.nsrca.org</a>]On Behalf Of <a href="mailto:atwooddon@aol.com" rel="nofollow" target="_blank" ymailto="mailto:atwooddon@aol.com">atwooddon@aol.com</a><mailto:<a href="mailto:atwooddon@aol.com" rel="nofollow" target="_blank" ymailto="mailto:atwooddon@aol.com">atwooddon@aol.com</a>><br>Sent: Monday, December 10, 2012 7:40 AM<br>To: <a href="mailto:nsrca-discussion@lists.nsrca.org" rel="nofollow" target="_blank" ymailto="mailto:nsrca-discussion@lists.nsrca.org">nsrca-discussion@lists.nsrca.org</a><mailto:<a href="mailto:nsrca-discussion@lists.nsrca.org" rel="nofollow" target="_blank" ymailto="mailto:nsrca-discussion@lists.nsrca.org">nsrca-discussion@lists.nsrca.org</a>><br>Subject: Re: [NSRCA-discussion] 6S+4S-Good or Bad?<br><br>Hey Bob<br><br>There should be no difference in performance compared to 2 5S setup. Obviously, charging is different due to unequal cell counts in packs, but to the ESC, it looks like a 10S pack when you connect a 6S and a 4S in
series.<br><br>Don<br><br><br><br>-----Original Message-----<br>From: Bob Pastorello <<a href="mailto:rpasto513@gmail.com" rel="nofollow" target="_blank" ymailto="mailto:rpasto513@gmail.com">rpasto513@gmail.com</a>><mailto:<a href="mailto:rpasto513@gmail.com" rel="nofollow" target="_blank" ymailto="mailto:rpasto513@gmail.com">rpasto513@gmail.com</a>><br>To: PatternList <<a href="mailto:nsrca-discussion@lists.nsrca.org" rel="nofollow" target="_blank" ymailto="mailto:nsrca-discussion@lists.nsrca.org">nsrca-discussion@lists.nsrca.org</a>><mailto:<a href="mailto:nsrca-discussion@lists.nsrca.org" rel="nofollow" target="_blank" ymailto="mailto:nsrca-discussion@lists.nsrca.org">nsrca-discussion@lists.nsrca.org</a>><br>Sent: Mon, Dec 10, 2012 7:18 am<br>Subject: [NSRCA-discussion] 6S+4S-Good or Bad?<br>Wondering if anyone has run these instead of 10s, and were results different from 2x 5S
setups?<br><br><br><br><br>_______________________________________________<br><br>NSRCA-discussion mailing list<br><br><a href="mailto:NSRCA-discussion@lists.nsrca.org" rel="nofollow" target="_blank" ymailto="mailto:NSRCA-discussion@lists.nsrca.org">NSRCA-discussion@lists.nsrca.org</a><mailto:<a href="mailto:NSRCA-discussion@lists.nsrca.org" rel="nofollow" target="_blank" ymailto="mailto:NSRCA-discussion@lists.nsrca.org">NSRCA-discussion@lists.nsrca.org</a>><br><br><a href="http://lists.nsrca.org/mailman/listinfo/nsrca-discussion">http://lists.nsrca.org/mailman/listinfo/nsrca-discussion</a><br><br><br><br>_______________________________________________<br>NSRCA-discussion mailing list<br><a href="mailto:NSRCA-discussion@lists.nsrca.org" rel="nofollow" target="_blank" ymailto="mailto:NSRCA-discussion@lists.nsrca.org">NSRCA-discussion@lists.nsrca.org</a><mailto:<a href="mailto:NSRCA-discussion@lists.nsrca.org" rel="nofollow" target="_blank" ymailto="mailto:NSRCA-discussion@lists.nsrca.org">NSRCA-discussion@lists.nsrca.org</a>><br><a href="http://lists.nsrca.org/mailman/listinfo/nsrca-discussion" rel="nofollow" target="_blank">http://lists.nsrca.org/mailman/listinfo/nsrca-discussion</a><br><br>_______________________________________________<br>NSRCA-discussion mailing list<br><a href="mailto:NSRCA-discussion@lists.nsrca.org" rel="nofollow" target="_blank" ymailto="mailto:NSRCA-discussion@lists.nsrca.org">NSRCA-discussion@lists.nsrca.org</a><mailto:<a href="mailto:NSRCA-discussion@lists.nsrca.org" rel="nofollow" target="_blank" ymailto="mailto:NSRCA-discussion@lists.nsrca.org">NSRCA-discussion@lists.nsrca.org</a>><br><a href="http://lists.nsrca.org/mailman/listinfo/nsrca-discussion" rel="nofollow" target="_blank">http://lists.nsrca.org/mailman/listinfo/nsrca-discussion</a><br><br>_______________________________________________<br>NSRCA-discussion mailing list<br><a href="mailto:NSRCA-discussion@lists.nsrca.org" rel="nofollow" target="_blank" ymailto="mailto:NSRCA-discussion@lists.nsrca.org">NSRCA-discussion@lists.nsrca.org</a><br><a href="http://lists.nsrca.org/mailman/listinfo/nsrca-discussion" rel="nofollow" target="_blank">http://lists.nsrca.org/mailman/listinfo/nsrca-discussion</a><br><br><br></div></div></div>
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