- Diameter: 0.64 m
The SR75 was manufactured by HyImpulse with the first launch on . SR75 has 0 successful launches and 0 failed launches with a total of 0 launches. Single-stage suborbital sounding rocket developed by German private company HyImpulse. Used to offer commercial microgravity services and as a test bed for the company’s SL1 orbital rocket.