<table cellspacing="0" cellpadding="0" border="0" ><tr><td valign="top" style="font: inherit;">Interesting. Well, maybe someone will come up with a good one at some point for those that don't use a Cellpro. I can't say my Cellpro is accurate, just that it works and gives me something to base my batteries off of. <br><br>Jim, <br><br>Any idea why 2 and 3 cell packs have such a high resistance? Even new mine are over 20. Hard to tell when they are bad. <br><br>Something interesting is that on my AFPD sim, I was just flying the Spark. I haven't flown it much as there are a few things I don't care for compared to others that I have on there. One was that it felt underpowered. An easy change normally, just never did it. But instead of altering the motor, I went and looked into the batteries. The resistance was set at 13.0. I changed it to 2.0 and now the plane it silly fast. Not sure that means anything, just found it interesting. <br><br>Thanks,
<br><br><div><strong><em><font color="#0000bf" face="comic sans ms" size="3">Chris </font></em></strong></div> <div> </div> <div> </div> <div> </div><br><br>--- On <b>Sun, 3/29/09, AtwoodDon@aol.com <i><AtwoodDon@aol.com></i></b> wrote:<br><blockquote style="border-left: 2px solid rgb(16, 16, 255); margin-left: 5px; padding-left: 5px;"><br>From: AtwoodDon@aol.com <AtwoodDon@aol.com><br>Subject: Re: [NSRCA-discussion] IR meter<br>To: nsrca-discussion@lists.nsrca.org<br>Date: Sunday, March 29, 2009, 9:27 PM<br><br><div id="yiv802572856">
<font id="role_document" color="#000000" face="Arial" size="2">
<div>I agree, since I have to charge anyway, I am going to believe the
CellPro. I sold the IRM to someone that was unhappy they were sold out
when he went to order...... <img src="http://cdn-cf.aol.com/se/smi/0201d20638/08"></div>
<div> </div>
<div>D</div>
<div> </div>
<div>
<div>In a message dated 3/29/2009 8:31:52 P.M. Pacific Daylight Time,
joddino@socal.rr.com writes:</div>
<blockquote style="border-left: 2px solid blue; padding-left: 5px; margin-left: 5px;"><font style="background-color: transparent;" color="#000000" face="Arial" size="2">Don,
<div><br></div>
<div>I would say the FMA is closer to the real value. I'll look at some
inflight data but just as a test of reasonableness I looked at the data I sent
you recently where I was pulling about 98 Amps at 39 volts. My pack has
about 3 mOhms per cell according to the FMA times 10 cells is .03 Ohms for the
pack. 98 x .03 = 2.94 volts If the resistance was 7 times higher
the drop would be seven times higher or around 21 volts. Something is
wrong with his algorithm.
<div><br></div>
<div>Jim<br>
<div>
<div>On Mar 27, 2009, at 5:22 PM, <a rel="nofollow" title="mailto:atwooddon@aol.com" ymailto="mailto:atwooddon@aol.com" target="_blank" href="/mc/compose?to=atwooddon@aol.com">atwooddon@aol.com</a> wrote:</div><br class="Apple-interchange-newline">
<blockquote type="cite">
<div style="font-size: 10pt; color: rgb(0, 0, 0); font-family: Arial;"><font color="#000000" face="Arial" size="2">
<div>I have one, caught the discussion thread just as it started and jumped
on the initial orders. It works as expected. Although the IR numbers
are substantially higher than what the FMA charger reports the relationship
of the IR numbers between the cells is proportionately the same.
The IRM shows IR ohms about 7-8 times that of the FMA CellPro 10S.
Which one is right? I dunno, but when I asked why they were so
different, I got a very long explanation that I did not understand.
All I know is the ratios seem to stay the same between them on the same
batteries. </div>
<div> </div>
<div>It is well made tho I don't care for the small plugs for balance taps,
that is kinda clumsy, but it works as advertised.</div>
<div> </div>
<div>Don</div>
<div> </div>
<div>
<div>In a message dated 3/27/2009 11:55:58 A.M. Pacific Daylight Time, <a rel="nofollow" title="mailto:homeremodeling2003@yahoo.com" ymailto="mailto:homeremodeling2003@yahoo.com" target="_blank" href="/mc/compose?to=homeremodeling2003@yahoo.com">homeremodeling2003@yahoo.com</a>
writes:</div>
<blockquote style="border-left: 2px solid blue; padding-left: 5px; margin-left: 5px;"><font style="background-color: transparent;" color="#000000" face="Arial" size="2">
<table border="0" cellpadding="0" cellspacing="0">
<tbody>
<tr>
<td valign="top">Did you guys see this yet? Could be helpful if your
charger doesn't do it. <br><br><a rel="nofollow" title="http://www.rcgroups.com/forums/showthread.php?t=980290" target="_blank" href="http://www.rcgroups.com/forums/showthread.php?t=980290">http://www.rcgroups.com/forums/showthread.php?t=980290</a><br><br>
<div><strong><em><font color="#0000bf" face="comic sans ms" size="3">Chris </font></em></strong></div>
<div> </div>
<div> </div>
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