Delta 4925-8 – McDonnell Douglas Family: Delta Length: 34 meters Diameter: 2.44 meters Launch Mass: 200 Low Earth Orbit Capacity: 3400 The Delta 4925-8 was manufactured by McDonnell Douglas with the first launch on 1989-08-27. Delta 4925-8 has 0 successful launches and 0 failed launches with a total of 0 launches. The Delta 4000 series was an American expendable launch system which was used to conduct two orbital launches in 1989 and 1990. It was a member of the Delta family of rockets. Manufacturer McDonnell Douglas is a Commercial USA entity that was founded in and is administered by . McDonnell Douglas has 0 successful launches and 0 failed launches with a total of 0 launches.