About a year ago, an amazing user, @RaginCaucasian released a mod for 2.5m spaceplane parts.  Unfortunately, he left, and the mod languished.  With his permission (he changed the license at my request) and all the original assets, I'm happy to announce that I'm reviving this mod.  The original thread is here:  http://forum.kerbalspaceprogram.com/index.php?/topic/131513-105-mk25-spaceplane-parts/ I must express my great appreciation to @CarnageINC for his assistance with recalculating the vo