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<DIV><FONT face=Arial size=2>Vincente</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>Falcon Batteries are located in Houston, have been
supplying batteries to the sport guys for several years, and enjoy a reputation
for having a good product with good service.</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>Last fall they expressed interest in the pattern
market but were unsure of the requirements. I had just entered the E-power arena
for pattern and had a Partner (Hacker C50-14) fitted with equipment capable
of recording relevant parameters in flight. Falcon loaned me 5S2P -5000 mAh
packs which I flew and compared performance with that of well known
"pattern" packs. </FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>I insisted that pack life was equal to
flight performance in importance. Falcon responded by creating the F3A Pro
Series packs described in their ad in the K-Factor. Their philosophy is that
precise cell matching in packs using the absolute best cells with respect to
voltage / capacity / impedance will result in exceptional pack life.
They chose to use a 5S2P configuration to limit cell count for reliability.
They also selected the relatively new "High Voltage Retention" cells to
meet my requirement of maximum voltage at the current flow observed in pattern.
As you've noted, they back their product with a 6 month
warranty.</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>I've been flying the Falcon F3A Pro packs since
late December. The data I've gathered indicate these cells are, at least, equal
to other packs I've flown in terms of minimum voltage at pattern current flow
throughout F3A P/F flights. Pack heating is quite low. So far
I've 40 flights on one set - mostly P-07, and see no degradation in flight
performance. Cell set balance is exceptional (balancing connector included).
Only time will tell how long these things will last, but with Falcon's warranty
I don't have to worry about a budget busting experience. I'll let the list know
as I reach cycle milestones. The only negative to these packs is that the weight
is 1260 grams which takes care (I've 2 legal airplanes) to meet 5 Kg. - but
certainly a consideration.</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>And yes, I've received some price consideration for
the testing and data evaluation I've performed. </FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>Earl</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV>----- Original Message ----- </DIV>
<BLOCKQUOTE
style="PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px">
<DIV
style="BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: black"><B>From:</B>
<A title=vicenterc@comcast.net
href="mailto:vicenterc@comcast.net">vicenterc@comcast.net</A> </DIV>
<DIV style="FONT: 10pt arial"><B>To:</B> <A
title=nsrca-discussion@lists.nsrca.org
href="mailto:nsrca-discussion@lists.nsrca.org">NSRCA Mailing List</A> ; <A
title=nsrca-discussion@lists.nsrca.org
href="mailto:nsrca-discussion@lists.nsrca.org">'NSRCA Mailing List'</A> </DIV>
<DIV style="FONT: 10pt arial"><B>Sent:</B> Wednesday, March 15, 2006 7:32
AM</DIV>
<DIV style="FONT: 10pt arial"><B>Subject:</B> Re: [NSRCA-discussion] Landmark
for e-pattern: >1C charging</DIV>
<DIV><BR></DIV>
<DIV>Better news is the battery manufacturer that is giving 6 months of
warranty. See the add in the last k-Factor. I think is called Falcon
Batteries. I never seen the brand but the fact that they are giving 6
months warranty is very important. I hope that the competition start to
see this trend and we see warranty going up to a year.</DIV>
<DIV> </DIV>
<DIV>Who is using those batteries? Reports good or bad are
welcome. </DIV>
<DIV> </DIV>
<DIV>Regards,</DIV>
<DIV> </DIV>
<DIV>Vicente Bortone</DIV>
<DIV> </DIV>
<BLOCKQUOTE
style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #1010ff 2px solid">--------------
Original message -------------- <BR>From: "Cameron Smith"
<dentdoc007@adelphia.net> <BR><BR>> I have been using that charging
combo. <BR>> <BR>> Charging 4 new TP 2100mah Prolites @ 1.5C to 95%
capacity in about 35 <BR>> Minutes. (On 2 charger combos) <BR>> This
yields easy 10 minute flight on a 300+ watt system per battery, <BR>>
using around 1600-1700 mah. <BR>> <BR>> After following Charlie's
advice I tried 2C but only gained less than 4 <BR>> minutes in charge
time so I backed it down. I pay for my packs so I want <BR>> to see
others do 3C for a longer period of time before I "Crank it up" <BR>>
<BR>> After doing this the old 1C rate/single charger for a couple years
now, <BR>> 4 times as much in 1/2 the time is Cool! <BR>> <BR>> I
agree with Adam, This is good news for electrics. <BR>> <BR>> <BR>>
<BR>> <BR!>> <BR>> <BR>> <BR>> <BR>> <BR>> <BR>>
-----Original Message----- <BR>> From:
nsrca-discussion-bounces@lists.nsrca.org <BR>>
[mailto:nsrca-discussion-bounces@lists.nsrca.org] On Behalf Of Adam <BR>>
Glatt <BR>> Sent: Tuesday, March 14, 2006 11:16 PM <BR>> To: NSRCA
Mailing List <BR>> Subject: [NSRCA-discussion] Landmark for e-pattern:
>1C charging <BR>> <BR>>
http://www.rcgroups.com/forums/showpost.php?p=5182816&postcount=24
<BR>> That post is by Charlie Wang, head of Thunder Power. Charlie has
been <BR>> running cycle test experiments where he cycles Thunder Power
Pro Lite <BR>> batteries with 2C and 3C charge rates, and 4C discharge
rates. His <BR>> experiments have convinced him that 3C charging of
Thunder Power Pro <BR>> Lite batteries does not harm the batteries.
<BR>> <BR>> This is a major step for electric R/C. Consider a
situation with one <BR>> charger, two batteries, and 10 minute flights !
- low cost, typical <BR>> pattern and sport equipment. Charge times are
inside of 30 minutes. <BR>> Allowing 5 minutes for pack cool-down, it is
possible to log 5 flights <BR>> in less than 2 hours. In a pattern
situation this isn't yet possible, <BR>> because it takes a 16A charger
to charge the 5.3Ah pack at 3C and they <BR>> don't exist. Using
available chargers, two TP 1010's ($320-$400), two <BR>> TP 210 balancers
($140-$200), and four 5s4p5300 packs ($1100-$1300), the <BR>> <BR>>
time for 5 flights would be something like 130minutes. <BR>> <BR>> 3C
charging (currently 2C with pattern packs and available chargers) <BR>>
allows you to fly just as much with fewer batteries. That saves outlay
<BR>> costs, if not cost per flight, and certainly reduces the length of
time <BR>> you are stuck with current technology. <BR>> <BR>> More
good news from the electric world. <BR>> <BR>> Those of you planning
on charging at >1C, make sure you read Charlie's <BR>> post. He gives
specific guidelines! and practices. <BR>> <BR>> -Adam <BR>>
_______________________________________________ <BR>> NSRCA-discussion
mailing list <BR>> NSRCA-discussion@lists.nsrca.org <BR>>
http://lists.nsrca.org/mailman/listinfo/nsrca-discussion <BR>> <BR>>
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