X-2 StarbusterX 2 Starbuster airplane model. The X 2 Starbuster was a single place airplane with wings swept back to 40 degrees. It was 37 ft, 10 in. long, 11 ft high and had a wingspan of 32. 3 ft. It was constructed of K Monel (a copper and nickel alloy) for the fuselage and stainless steel for the swept wings and control surfaces. The aircraft had ejectable nose capsules instead of ejection seats because the development of ejection seats had not reached maturity