<html><body><div style="color:#000; background-color:#fff; font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:10pt"><div class="" style=""><span class="" style="">From NMPRA:</span></div><div style="color: rgb(0, 0, 0); font-size: 13px; font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; font-style: normal; background-color: transparent;" class=""><span class="" style=""><br class="" style=""></span></div><div style="background-color: transparent;" class="">3) Battery: Battery shall be a commercially available Lithium Polymer (LiPo) battery. </div><div style="background-color: transparent;" class="">a. Maximum Number of Battery Cells: Motor battery shall have a maximum of 4 cells, </div><div style="background-color: transparent;" class="">and all cells shall be contained in shrink tubing.</div><div style="background-color: transparent;" class="">b. Maximum
Battery Weight: Motor battery pack shall have a maximum weight of 325 </div><div style="background-color: transparent;" class="">grams including all connectors, wires and shrink tubing. It is recommended that batteries </div><div style="background-color: transparent;" class="">utilize a balancing tap to balance the individual cells as part of the charging process; </div><div style="background-color: transparent;" class="">however, batteries without a balancing connector are permitted and shall have a </div><div style="background-color: transparent;" class="">maximum weight of 315 grams.</div><div style="background-color: transparent;" class="">c. Battery Retention: There shall be a means of positive retention of the battery pack </div><div style="background-color: transparent;" class=""><span class="" style=""></span></div><div style="background-color: transparent;" class="">within the airplane to prevent it from shifting during
flight. </div><div class="" style=""></div><div class="" style=""><br></div><div class="" style=""><span style="font-size: 10pt;"> </span><br></div><div class="" style="">Bob Kane<br class="" style="">getterflash@yahoo.com</div><div class="" style=""><br class="" style=""></div> <div style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 10pt;" class=""> <div style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 12pt;" class=""> <div dir="ltr" class="" style=""> <hr size="1" class="" style=""> <font size="2" face="Arial" class="" style=""> <b class="" style=""><span style="font-weight:bold;" class="">From:</span></b> Jim Quinn via NSRCA-discussion <nsrca-discussion@lists.nsrca.org><br class="" style=""> <b class="" style=""><span style="font-weight: bold;" class="">To:</span></b> General pattern discussion
<nsrca-discussion@lists.nsrca.org> <br class="" style=""> <b class="" style=""><span style="font-weight: bold;" class="">Sent:</span></b> Tuesday, August 12, 2014 10:53 AM<br class="" style=""> <b class="" style=""><span style="font-weight: bold;" class="">Subject:</span></b> [NSRCA-discussion] EF1<br class="" style=""> </font> </div> <div class="" style=""><br class="" style=""><div id="yiv9601871956" class="" style=""><div dir="ltr" class="" style="">I know this is off topic, but does anyone know how battery usage is determined in an EF1 race?<br class="" style=""></div>
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