The 2nd method for this is to report it on board and be downloaded after Restoration, the method used via the cameras above (some experimenters use the Aiptek PenCam Mega for this, the lowest electric power usable with this process is a C or D Motor). Instrumentation and experimentation[edit] http://andyoyhpx.blogofoto.com/22276001/new-step-by-step-map-for-rocket-designs