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Bob,<br>
<br>
I would look at the LVC setting on the ESC and the sensitivity value
(if it's a Castle). If the setting is sensitive it will cut out if
it sees a momentary touch of the LVC value where insensitive will
need to see a sustained drop in voltage. What are the IR numbers on
the pack, a 25C pack should be in the 2.5-5.0 range normally and
about 7 is probably getting weak and worn out. On top of this a cold
battery will drop very voltage quickly under load.<br>
<br>
A Castle engineer told me we should run these settings:<br>
LVC 3.0v <br>
Soft cutoff<br>
Insensitive<br>
<br>
Chris<br>
<br>
<div class="moz-cite-prefix">On 9/17/2012 4:32 PM, Bob Kane wrote:<br>
</div>
<blockquote
cite="mid:1347913932.25626.YahooMailNeo@web113320.mail.gq1.yahoo.com"
type="cite">
<div style="color:#000; background-color:#fff; font-family:times
new roman, new york, times, serif;font-size:12pt">
<div><span style="font-size: 12pt;">I had something happen
Saturday that is new for me . . . . I was going to put up
a flight with my 62" Osiris for a club airshow, I advanced
the throttle to take off, the plane accelerated, then the
motor quit. The Castle Controller was emitting two beeps,
indicating a low voltage error. One of the club members had
a meter that measures individual cell </span>voltages<span
style="font-size: 12pt;"> and everything looked OK. I used
another pack to put up a flight with no issues.</span></div>
<div style="color: rgb(0, 0, 0); font-size: 12pt; font-family:
'times new roman', 'new york', times, serif; background-color:
transparent; font-style: normal; "><span style="font-size:
12pt;"><br>
</span></div>
<div style="background-color: transparent; "><span><span
style="font-size: 12pt;">When I got home I discharged the
suspect pack and recharged it. I flew it yesterday and it
seemed to work OK. I was practicing(!) some </span>maneuvers<span
style="font-size: 12pt;"> repeatedly and the pack quit
unexpectedly again, but it may have been my fault for not
paying attention to the flight time.</span></span></div>
<div style="background-color: transparent; color: rgb(0, 0, 0);
font-size: 12pt; font-family: 'times new roman', 'new york',
times, serif; font-style: normal; "><span><span
style="font-size: 12pt;"><br>
</span></span></div>
<div style="background-color: transparent; color: rgb(0, 0, 0);
font-size: 16px; font-family: 'times new roman', 'new york',
times, serif; font-style: normal; "><span><span
style="font-size: 12pt;">Is this a sign of pending
failure? The pack has maybe 30 cycles on it. I have had
other packs get puffy and weak but this pack is rock
solid. The pack is a</span></span><span
style="font-size: 12pt; background-color: transparent; "> Rhino
5S 5000mAH 25C pack.</span></div>
<div style="font-family: 'times new roman', 'new york', times,
serif; font-size: 12pt; "> </div>
<div style="font-family: 'times new roman', 'new york', times,
serif; font-size: 12pt; ">Bob Kane<br>
<a class="moz-txt-link-abbreviated" href="mailto:getterflash@yahoo.com">getterflash@yahoo.com</a></div>
</div>
<br>
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