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<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>I&#8217;ve been running both and would encourage you to get the
20C, or even the 25C if you can handle the weight.<o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p>&nbsp;</o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>15C &#8211; typically run between 1180-1205gms for a pair (with
connector and Velcro, etc).&nbsp; Power is good, but NOT if they&#8217;re cold,
or even cool.&nbsp; I have 50 flights on 4 different sets and I would argue
that most are on their last legs.&nbsp; They still fly the P schedule fairly
strong, but F is a stretch, and they are getting hot and puffy now.<o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p>&nbsp;</o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>20C &#8211; I have 2 sets and 1 is 1210gms and the other is
1245.&nbsp; BIG variance.&nbsp; But they seem to handle the load better.&nbsp;
One is still getting hot/puffy though with only 30+ flights on it.&nbsp;&nbsp;&nbsp;
THIS btw, is the main issue I think with the zippy packs.&nbsp; Inconsistency.&nbsp;
Some are great, some are fair, some suck.&nbsp;&nbsp; You get a little of what
you pay for.&nbsp; I&#8217;d say there&#8217;s about an 85% hit ratio with the
flightmax packs, meaning that you should expect about 1 in 5 to be pretty
poor.&nbsp; Still a good value though.<o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p>&nbsp;</o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>25C &#8211; these are heavy&#8230;about 1300gms per set, but
they&#8217;ve been running very strong, very cool, and staying rock solid (no
puffiness yet) with about 30+ flights on 3 sets.&nbsp;&nbsp; They still have
the issue of not delivering great power when they&#8217;re cool.&nbsp; At the
nats we noticed that the Zippy&#8217;s seem to be more temperature sensitive than
the TP batteries.&nbsp; The TP were down a little when they were cold, but the
zippy&#8217;s were down a LOT.&nbsp; When they were warm, they held their own
with the TP batteries.&nbsp; Not sure what the reason for the variance is
though.<o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p>&nbsp;</o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>This was my first year flying E, so that&#8217;s really all I
have to offer.&nbsp; For reference, I was running&nbsp; a Hacker 14XL with a
21x14 prop flying 7.5min flights (fairly strict about that).<o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p>&nbsp;</o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>-Mark<o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p>&nbsp;</o:p></span></p>

<p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Verdana","sans-serif";
color:black'>Mark Atwood</span></b><span style='font-size:11.0pt;font-family:
"Calibri","sans-serif";color:#1F497D'><o:p></o:p></span></p>

<p class=MsoNormal><b><span style='font-size:9.0pt;font-family:"Verdana","sans-serif";
color:black'>Paragon Consulting, Inc.</span></b><span style='font-size:9.0pt;
font-family:"Verdana","sans-serif";color:black'>&nbsp;&nbsp;</span><b><span
style='font-size:10.0pt;font-family:"Verdana","sans-serif";color:black'>|</span></b><span
style='font-size:9.0pt;font-family:"Verdana","sans-serif";color:black'>&nbsp;&nbsp;President</span><span
style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:8.5pt;font-family:"Verdana","sans-serif";
color:black'>5885&nbsp;Landerbrook&nbsp;Drive Suite
130,&nbsp;Cleveland&nbsp;Ohio,&nbsp;44124</span><span style='font-size:10.5pt;
font-family:"Verdana","sans-serif";color:black'>&nbsp;</span><span
style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:8.5pt;font-family:"Verdana","sans-serif";
color:black'>Phone: 440.684.3101 x102&nbsp;&nbsp;</span><b><span
style='font-size:9.0pt;font-family:"Verdana","sans-serif";color:black'>|</span></b><span
style='font-size:8.5pt;font-family:"Verdana","sans-serif";color:black'>&nbsp;&nbsp;Fax:
440.684.3102</span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:8.5pt;font-family:"Verdana","sans-serif";
color:#1351F3'><a href="mailto:mark.atwood@paragon-inc.com"><span
style='color:blue'>mark.atwood@paragon-inc.com</span></a> &nbsp;</span><b><span
style='font-size:9.0pt;font-family:"Verdana","sans-serif";color:black'>|</span></b><span
style='font-size:8.5pt;font-family:"Verdana","sans-serif";color:black'>&nbsp;&nbsp;</span><span
style='font-size:8.5pt;font-family:"Verdana","sans-serif";color:#1351F3'><a
href="http://www.paragon-inc.com/"><span style='color:blue'>www.paragon-inc.com</span></a></span><span
style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p>&nbsp;</o:p></span></p>

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<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>colin
chariandy<br>
<b>Sent:</b> Tuesday, August 10, 2010 3:14 PM<br>
<b>To:</b> NSRCA Mailing List<br>
<b>Subject:</b> [NSRCA-discussion] 15C vs 20C Flightmax batteries<o:p></o:p></span></p>

</div>

<p class=MsoNormal><o:p>&nbsp;</o:p></p>

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  <div>
  <p class=MsoNormal>I noticed that most are running the 15C 5000 packs but
  these seem to be in stock infrequently. Can anyone comment on the performace
  of the 20C 5000s from Flightmax. <o:p></o:p></p>
  </div>
  <div>
  <p class=MsoNormal>&nbsp;<o:p></o:p></p>
  </div>
  <div>
  <p class=MsoNormal>What's the weight,&nbsp;performance and longevity compared
  to the 15Cs.<o:p></o:p></p>
  </div>
  <div>
  <p class=MsoNormal>&nbsp;<o:p></o:p></p>
  </div>
  <div>
  <p class=MsoNormal>I know there must be reasons that the 15Cs are more
  popular....just not sure what they are. I would have though the 20Cs would be
  better as someone reported that they are only 10gms more than the 15Cs and
  would&nbsp;provide a&nbsp;bit more power. Additionally I noticed the TPs are
  20C...not 15C.<o:p></o:p></p>
  </div>
  <div>
  <p class=MsoNormal>&nbsp;<o:p></o:p></p>
  </div>
  <div>
  <p class=MsoNormal>I'm new to the e-scene...so please ignore the ignorance.<o:p></o:p></p>
  </div>
  <div>
  <p class=MsoNormal>&nbsp;<o:p></o:p></p>
  </div>
  <div>
  <p class=MsoNormal>Colin.<o:p></o:p></p>
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<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Calibri","sans-serif"'><o:p>&nbsp;</o:p></span></p>

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