1.0 link Rainbow Dash Network http://rainbowdash.net/ Cloud Kicker (critialcloudkicker) http://rainbowdash.net/critialcloudkicker http://rainbowdash.net/notice/4096025 @<span class="vcard"><a href="http://rainbowdash.net/user/4320" class="url" title="RDN's Lucifer"><span class="fn nickname mention">nerthos</span></a></span> the voltage of the fan, or fans, is pretty much negatable in computer-case airflow ( and casemods ). And I have been modding quite a few of those in a previous life. I'd prefer to have 1 side covered in 5v fans, even if just run at 3v ( they can handle that, no problem ), as long as the wattage count is lower than 1 12v fan, which is pretty easy to do. ... Ofcourse I have no idea how dense you want to make your coilgun. or where any plastic parts are