Specifications - NASA X-43 (Hyper-X) Hypersonic Aircraft, USA

Key Data
X-43A
Length	12ft 4in
Width	5ft 6in
Height	2ft 2in
Weight	3,000lb
Speed	Mach 5, Mach 7 and Mach 10
Altitude	100,000ft
X-43B
Length	30ft to 50ft
X-43C
Speed	Mach 5 to Mach 7
Length	16ft
Engine	Hydrocarbon fuel scramjet engine
X-43D
Speed	Mach 10 to Mach 15