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<DIV><FONT face=Arial size=2>I have converted one of my Eclipses to
electric. There is a full report in RC universe in the pattern section
under Eclipse conversion to electric
http://www.rcuniverse.com/forum/Eclipse_conversion_to_electric/m_1936912/tm.htm</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><SPAN class=msg><FONT size=2>I have been able to get another five flights
on the electric Eclipse. This time I had the Hacker C50 14XL 6.7:1 motor and the
APC E22-12 prop. I am impressed on how well it flies even in a moderate wind
(some 15 mph). It has plenty of vertical for the Masters pattern. <BR><BR>I did
experience a battery failure. The air temperature was 93F. The maximum motor
temperature I measured was 132F after landing. The batteries never got hot. The
first picture shows that cells second from the end failed. I discussed the
situation with Thunder power. They are replacing the TP6000 5s3p packs under
warranty. They have had some failures in these packs. Mostly with the packs
installed in pattern planes. Apparently the cells are not getting enough
cooling. I have since revised support plates with plenty of cooling
holes. I have also ducted all of my air across the motor and directly to the
batteries. I hope to get some more test flights next weekend. I still hope to
bring the plane to the Nats. Just need some more practice. <BR><BR>The original
conversion weighed in at 11#-6oz. That means I gained exactly one pound, one
ounce in the conversion. I now have the plane below 11# by 1 to 2 oz. Here is
what I had to do: <BR><BR>First I removed the wheel pants and Dave Brown 3"
light tires. I also carved all excess material from the Bolly CF landing gear. I
will be using the central hobbies aluminum axels and MK 55mm tires. This saved
some 5oz. <BR><BR>Second I removed the 1600ma NiMH receiver battery and
installed a 770ma NiMH battery. This saved 2.1 oz. <BR><BR>Third I removed all
excess material from the fuselage. You don't need wide flanges on an </FONT><A
title="Hobby Lobby has them all!"
style="COLOR: black; BORDER-BOTTOM: black 1px dashed; BACKGROUND-COLOR: transparent; TEXT-DECORATION: none"
href="http://www.rcuniverse.com/buynow/keywordclick.cfm?bid_id=342"
target=_blank><FONT size=2>electric motor</FONT></A><FONT size=2>. There is
almost no vibration in the air frame. <BR><BR>There is some two more ounces of
weight savings I could do such as using the new JR770 pcm-s credit card mini
receiver and using the mid size aileron servos. This is more expensive and is
not necessary. <BR><BR>All in all, a glow conversion to electric can come in
under 11#. It is best to start with a plane weighing in at no more than
10#-4oz. </FONT></SPAN></DIV>
<DIV><SPAN class=msg><FONT size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=msg><FONT size=2>I would not hesitate to conseder converting a
glow pattern plane to electric.</FONT></DIV>
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