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2 possibilities.<br>
1) packs are worn out replace and fly (most likely)<br>
2) Motor is messed up rotor demagnetized if Neu or Hacker etc.
Generally current is much higher than expected and hotter after a
flight. <br>
<br>
If you fly with another pattern pilot with similar battery
setup/connectors you could always borrow a good battery for a flight.<br>
<br>
<div class="moz-cite-prefix">On 6/7/2015 10:55 AM, Ron Hansen via
NSRCA-discussion wrote:<br>
</div>
<blockquote cite="mid:003501d0a132$0e7faef0$2b7f0cd0$@wowway.com"
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<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">The
packs are less than adequate on some or most of the advanced
maneuvers.<o:p></o:p></span></p>
<p class="MsoNormal"><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">They
are also getting more and more difficult to charge to close
to 100%. Actually I can’t really get then to 98%.<o:p></o:p></span></p>
<p class="MsoNormal"><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:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span
style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">
<a class="moz-txt-link-abbreviated" href="mailto:atwooddon@aol.com">atwooddon@aol.com</a> [<a class="moz-txt-link-freetext" href="mailto:atwooddon@aol.com">mailto:atwooddon@aol.com</a>] <br>
<b>Sent:</b> Sunday, June 07, 2015 10:35 AM<br>
<b>To:</b> <a class="moz-txt-link-abbreviated" href="mailto:rcpilot@wowway.com">rcpilot@wowway.com</a>;
<a class="moz-txt-link-abbreviated" href="mailto:nsrca-discussion@lists.nsrca.org">nsrca-discussion@lists.nsrca.org</a><br>
<b>Subject:</b> Re: [NSRCA-discussion] Battery Resistance<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black">Ron,
what is the pack temperature when you are measuring the
resistance? Temperature has a big impact on the
measurement.<br>
<br>
Also, how are you measuring the resistance? <br>
<br>
If those are the resistance values (6 per cell) at 70F
measured with an iCharger, FMA charger or Giles dedicated
meter, then the pack is starting to get 'tired'. However,
if they get you thru your sequence and isn't too hot at the
end, go ahead and use them until they don't perform
adequately.<br>
<br>
Another thing that can kinda sneak up on you is lipo packs
gradually loose capacity over time. If you fly the same
sequence each time and the voltage at the end gets lower and
lower, the packs are probably loosing total capacity.<br>
<br>
Don<o:p></o:p></span></p>
<div>
<p class="MsoNormal"><span
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</div>
<div>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black"><o:p> </o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black"><o:p> </o:p></span></p>
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<div>
<p class="MsoNormal" style="margin-bottom:12.0pt"><span
style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black">-----Original
Message-----<br>
From: Ron Hansen via NSRCA-discussion <<a
moz-do-not-send="true"
href="mailto:nsrca-discussion@lists.nsrca.org">nsrca-discussion@lists.nsrca.org</a>><br>
To: NSCRA Discussion List <<a moz-do-not-send="true"
href="mailto:nsrca-discussion@lists.nsrca.org">nsrca-discussion@lists.nsrca.org</a>><br>
Sent: Sun, Jun 7, 2015 7:24 am<br>
Subject: [NSRCA-discussion] Battery Resistance<o:p></o:p></span></p>
<div id="AOLMsgPart_1.2_8709ee0a-ecfa-427d-903e-fb7a1b6d2a5a">
<div>
<div>
<div>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black">How
do I know when it is time to replace my batteries.<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black"> <o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black">The
total resistance in my 5 cell Zippy Compacts is 30
– 33 milli ohms (about 6 per cell).<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black"> <o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black">Thanks<o:p></o:p></span></p>
</div>
</div>
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<br>
__________ Information from ESET Smart Security,
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<pre style="background:white"><tt><span style="color:black">_______________________________________________</span><o:p></o:p></tt></pre>
<pre style="background:white"><tt><span style="color:black">NSRCA-discussion mailing<o:p></o:p></span></tt></pre>
<pre style="background:white"><tt><span style="color:black">list<o:p></o:p></span></tt></pre>
<pre style="background:white"><tt><span style="color:black"><a moz-do-not-send="true" href="mailto:NSRCA-discussion@lists.nsrca.org">NSRCA-discussion@lists.nsrca.org</a><o:p></o:p></span></tt></pre>
<pre style="background:white"><tt><span style="color:black"><a moz-do-not-send="true" href="http://lists.nsrca.org/mailman/listinfo/nsrca-discussion" target="_blank">http://lists.nsrca.org/mailman/listinfo/nsrca-discussion</a></span></tt><span style="font-size:9.0pt"><o:p></o:p></span></pre>
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The message was checked by ESET Smart Security.<br>
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