NASA: 3-D printed rocket part holds up in test and "Print your own Plane from Plans!!!" Holy Cow
..., 2013 By Jim Moore on AOPA A rocket fuel injector fabricated with...nounced in a news release that the injector was the largest 3-D printed rocket engine component tested yet,...How much does it cost to operate a Trike? What does this sport cost on an hourly basis?
...ild for a Rotax 912 ($12K/2500hrs) = $4.8 / hr *BRS Maintenance ((Rocket $800/1200hrs)+(Chute $400/600...schedule) * BRS assumes 100 hrs flown per year. Repack $400/6 yrs, Rocket $800/12yrs &nb...