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<DIV> We already have people that have 100 cycles and packs are as good as new -2%. There have just been completed test of single cells cycled 600 times at a 3c charger rate with little to no change in capacity, of course we can't charge the packs for pattern at this rate, no chargers with enough power at this time. Time could be a factor in pattern because most flyers are using so many packs (4-6 sets of 10s) to do there flying, so it could take as many as 2 to 3 years or more flying to which could put a time factor in the equation. Once people feel they can get by with 2 packs(10s) the #'s will start showing better cycles for our needs, in a relative time period.</DIV>
<DIV> Steve Maxwell</DIV>
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<DIV style="BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: black"><B>From:</B> <A title=vicenterc@comcast.net href="mailto: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> 2/17/2006 3:21:26 PM </DIV>
<DIV style="FONT: 10pt arial"><B>Subject:</B> Re: [NSRCA-discussion] Fuel Weight</DIV>
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<DIV>I spend around $15 per gallon (20% nitro, 2C). That means that the cost per oz is about $0.12/oz. I spend about 14 oz to fly the Master schedule with normal winds. In Muncie we should use around 16 oz (2C engines). This means that the glow fuel cost is about $1.64/flight. For electric, the question is how many cycles is the average life of the batteries? Let's make it easier and assume that the average life is 100 cycles. This means that the cost per fly would be $7.40/flight. Clearly, electric is 4.5 times more expensive assuming that 100 cycles is correct compared with 2C engines. My personal conclusion is: I will wait until the battery manufactures give us at least equal guaranty that we get when we buy batteries for cars.</DIV>
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<DIV>Regards, </DIV>
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<DIV>Vince </DIV>
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<BLOCKQUOTE style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #1010ff 2px solid">-------------- Original message -------------- <BR>From: "Michael Laggis" <fishgod@pobox.mtaonline.net> <BR>
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<DIV dir=ltr align=left><SPAN class=893291919-17022006><FONT face=Arial color=#0000ff size=2>It may be cheaper in the end, but laying out the $$$ to get started is the hard thing.(4 sets of batteries, chargers, power supplies/generator). </FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=893291919-17022006><FONT face=Arial color=#0000ff size=2></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=893291919-17022006><FONT face=Arial color=#0000ff size=2>Michael Laggis</FONT></SPAN></DIV>
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<FONT face=Tahoma size=2><B>From:</B> nsrca-discussion-bounces@lists.nsrca.org [mailto:nsrca-discussion-bounces@lists.nsrca.org] <B>On Behalf Of </B>Earl Haury<BR><B>Sent:</B> Friday, February 17, 2006 9:56 AM<BR><B>To:</B> NSRCA Mailing List<BR><B>Subject:</B> Re: [NSRCA-discussion] Fuel Weight<BR></FONT><BR></DIV>
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<DIV><FONT face=Arial size=2>Nat</FONT></DIV>
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<DIV><FONT face=Arial size=2>Electricity is a whole lot cheaper than glow fuel - it's just the darn tanks that are expensive (and heavy)!</FONT></DIV>
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<DIV><FONT face=Arial size=2>Earl</FONT></DIV>
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<DIV style="BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: black"><B>From:</B> <A title=natpenton@centurytel.net href="mailto:natpenton@centurytel.net">Nat Penton</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> </DIV>
<DIV style="FONT: 10pt arial"><B>Sent:</B> Friday, February 17, 2006 12:12 PM</DIV>
<DIV style="FONT: 10pt arial"><B>Subject:</B> [NSRCA-discussion] Fuel Weight</DIV>
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<DIV><FONT face=Arial size=2>24oz is .1875 gallons. Nitro fuel weighs about 7.5# / gal. The fuel weight would be 22.5oz, but, a pound and a half is close enough for government work.</FONT></DIV>
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<DIV><FONT face=Arial size=2>I didn't look up the weight of electrons, but one of my battery packs weighs 2.5lb and cost $740 and I still think electric is cheaper ------- and, it doesen't take creative accounting. Nat</FONT></DIV>
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