Convair X-11

The Convair X-11 (originally designated the Convair XSM-16A) was the first testbed for what became the Atlas missile program. Later the Convair X-12 became the second, more advanced testbed for the Atlas program.

Service history

A total of 12 X-11's were built and tested. The first three were involved in static tests only. X-11 Number 4 and 6, were destroyed in launch accidents. All others performed successful test flights. The test series began on June 11, 1957 and ended on June 3, 1958.

Specifications (X-11)

General characteristics

• Crew: Unmanned
• Length: 96 ft (29.3 m)
• Diameter: 12 ft (3.66 m)
• Empty: 12,500 lb (5,665 kg)
• Loaded: 80,000 lb (36,288 kg)
• Powerplant:

Performance

• Maximum speed: Mach 10.6
• Range: 690 mi (1,111 km)
• Service ceiling: 40 mi (61 km)
• Rate of climb: m/min ( ft/min)
• Wing loading: kg/m² ( lb/ft²)
• Thrust/weight:

Related content

Related development:

Comparable aircraft:

Designation sequence: X-8 - X-9 - X-10 - X-11 - X-12 - X-13 - X-14

See also:

• List of experimental aircraft
• X-plane