Stratolaunch LLC is happy to announce the profitable completion of its third Roc service plane take a look at flight on Jan. 16, 2022. Roc is the world’s largest plane, with a 385 ft. wingspan. The plane took off at 8:47 a.m. PST and flew for 4 hours, 23 minutes over the Mojave Desert. It reached an altitude of 23,500 toes (7162.8 m) at an indicated air velocity of 180 knots. This flight additional ready the service plane to help launches of its upcoming hypersonic testbed automobile, Talon-A. Launched from the Roc service plane, Talon-A autos are rocket-powered, autonomous, reusable testbeds carrying customizable payloads at speeds above Mach 5. This functionality allows routine entry to the hypersonic flight surroundings, which is essential for scientific analysis, technological improvement, and part demonstration.

“Right this moment’s profitable flight demonstrates and validates enhancements to the service plane’s methods and general flight efficiency. We are going to take the info we gathered and proceed to advance the plane’s operational efficiency to help hypersonic testing in 2022. The partial gear retraction seen through the flight is a graduated method to constructing confidence within the touchdown gear and kit door {hardware}. Testing the left fundamental touchdown gear individually mitigated threat and offered our aircrew with choices for touchdown the plane within the occasion the {hardware} didn’t carry out as anticipated. We’ll overview the info and decide after we can get again into the air to proceed advancing our distinctive, hypersonic structure.,” mentioned Dr. Zachary Krevor, Stratolaunch President and Chief Working Officer.


Along with testing the service plane, the workforce continues to make unimaginable strides in constructing its first two Talon-A take a look at autos, TA-0 and TA-1. TA-1 accomplished its preliminary power-on testing in late December 2021, protecting the corporate on observe to start hypersonic flight testing in 2022 and to ship providers to authorities and industrial clients in 2023. Preliminary outcomes of the take a look at targets achieved embody:
Continued analysis of the plane’s efficiency and dealing with traits at elevated speeds and altitude
Validation of the left mid-main gear operations together with door operations, and alternate gear extension of the left mid-main gear

Stratolaunch LLC is an American aerospace firm offering high-speed flight take a look at providers. It was initially fashioned in 2011 to develop a brand new air-launched house transportation system, with its company headquarters situated in Seattle, Washington. The corporate and improvement challenge had been formally introduced in December 2011 by Microsoft co-founder Paul Allen and Scaled Composites founder Burt Rutan, who had beforehand collaborated on the creation of SpaceShipOne. The challenge initially had three main parts: a service plane being constructed by Scaled Composites (known as the Stratolaunch), a multi-stage payload launch automobile which was to have been launched at excessive altitude into house from underneath the service plane, plus a mating and integration system by Dynetics. In the end, solely the service plane was absolutely developed by the point of Paul Allen’s loss of life in late 2018. The service plane first flew in April 2019, on the Mojave Air and House Port, reaching 15,000 ft (4,600 m) and 165 kn (305 km/h) in a 2 h 29 min flight.

Stratolaunch Roc Service Plane Completes Third Flight Take a look at Over Mojave Air and House Port