Well I could remove the case, but it is still 8 or 9 grams, where we need to be around 4 grams for indoor micro flyers like the RaptorGS and the TechOne
RaptorGS - 16.5" wingspan - AXON Raptor GS
http://flyairhobbyrc.com/axon-raptor-p-885.html
http://www.rcgroups.com/forums/showthread.php?t=1073163
TechOne Mini-Yak54 16.5" wingspan
http://www.techonehobby.com/proview.asp?id=184