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<DIV>900 should do it but he could buy a motor in the 1000-1100 range and have
some reserve by dropping the prop size a little or limiting the throttle high
end. Then if Chris needs more, it's there. Or, he could use a 4S
pack to start and could always move to a 5S if need be.</DIV>
<DIV> </DIV>
<DIV>Don</DIV>
<DIV> </DIV>
<DIV>
<DIV>In a message dated 1/12/2010 9:43:36 P.M. Pacific Standard Time,
homeremodeling2003@yahoo.com writes:</DIV>
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<DIV style="FONT-FAMILY: times new roman, new york, times, serif; FONT-SIZE: 12pt">
<DIV>Hey Don. </DIV>
<DIV> </DIV>
<DIV>Thanks for the condolences on my plane. </DIV>
<DIV> </DIV>
<DIV>It's Chris Johnson from So Cal's plane. He's going with 5 cell
packs. The wattage you said is about right. I think 900 would
be really well actually but was asking here for backup, as it's
only going to be 4.25 lbs give or take. Do you think he would need
more than 200 watts per pound for Intermediate and Advanced?
Heck, my 14XL's (Well, 14XL now, RIP) barely give me that.</DIV>
<DIV> </DIV>
<DIV>Thanks Don!<BR> </DIV>
<DIV><STRONG><EM><FONT color=#0000bf size=3 face="comic sans ms">Chris
</FONT></EM></STRONG></DIV>
<DIV> </DIV>
<DIV> </DIV>
<DIV> </DIV>
<DIV><BR></DIV>
<DIV style="FONT-FAMILY: times new roman, new york, times, serif; FONT-SIZE: 12pt"><BR>
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<B><SPAN style="FONT-WEIGHT: bold">From:</SPAN></B> "atwooddon@aol.com"
<atwooddon@aol.com><BR><B><SPAN style="FONT-WEIGHT: bold">To:</SPAN></B>
nsrca-discussion@lists.nsrca.org<BR><B><SPAN style="FONT-WEIGHT: bold">Sent:</SPAN></B> Tue, January 12, 2010 9:30:21
PM<BR><B><SPAN style="FONT-WEIGHT: bold">Subject:</SPAN></B> Re:
[NSRCA-discussion] E motor choice<BR></FONT><BR><FONT color=#000000 size=2 face=Arial>
<DIV>Probably needs 900-1100 watt range. As far as Dualsky is concerned,
the XM4250CA or XM4260CA size motors would probably work. These motors
will handle 11x6 to 15x8 props depending on battery cell count. How much
prop clearance will he have? What pack config, 4S, 5S, 6S?</DIV>
<DIV> </DIV>
<DIV>I am not familiar with Hacker or Scorpion in this size motor tho I hear
Scorpion motors have a great reputation. There is a guy on RC Groups
flying the Helios 63e plane with a Scorpion 4020-12 on the equivalent of
a 5S Lipo and says it has way more power than he needs. So, a 4S might
be about right.</DIV>
<DIV> </DIV>
<DIV>"I'm new to electrics so I need some advice. I'm running a Scorpion
4020-12 with<BR>an Airboss 80 Elite ESC, APC 15x8e prop, on a <SPAN class=highlight><STRONG><FONT color=#ff0000>Helios</FONT></STRONG></SPAN>
<SPAN class=highlight><STRONG><FONT color=#ff0000>63e</FONT></STRONG></SPAN>
(60 sized) pattern ship<BR>with 6S1P A123 batteries. The 4020-12 has way more
power than I need on this<BR>airplane."</DIV>
<DIV> </DIV>
<DIV>
<DIV>In a message dated 1/12/2010 8:39:31 P.M. Pacific Standard Time,
homeremodeling2003@yahoo.com writes:</DIV>
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<DIV style="FONT-FAMILY: times new roman, new york, times, serif; FONT-SIZE: 12pt">
<DIV></DIV>
<DIV>I have a friend here in D7 that bought a Hyperion Helios F3A 63e at the
AMA show. He called me asking what motor to use. He is thinking Hacker,
Scorpion, and Dualsky. Any suggestions for him? It is supposed to weigh 4.25
lbs all up. I have some suggestions but thought I'd ask here for some more.
</DIV>
<DIV> </DIV>
<DIV>Thanks!</DIV>
<DIV> </DIV>
<DIV><STRONG><EM><FONT color=#0000bf size=3 face="comic sans ms">Chris
</FONT></EM></STRONG></DIV>
<DIV> </DIV>
<DIV> </DIV>
<DIV> </DIV>
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