The Halo Intersceptor is a multi functional vehicle, based around one car that can couple with several vehicle attachments to form the basis of private air, sea and land travel The car is the case unit and it docks to attachments to become boats, planes or helicopters.
The Halo Inersceptor site
The car mode - The four-seater Intersceptor automobile itself would have a hybrid engine, four wheel drive, a top speed of 311 mph (500 km/h), an acceleration time of 0-62 mph (100 km/h) in 2.3 seconds, and a range of 700 miles (1,127 km).
The Halo 120 attachment, which would turn the car into a jet airplane. The 120 would be powered by two Pratt and Whitney TF30-P-100 turbofan engines, delivering 17,900 lbf (79.6 kN) of thrust each, or 25,100 lbf (112 kN) with the afterburners engaged. It would have a maximum speed of Mach 2, a range of 4,200 miles (6,759 km) and a ceiling of 66,000 feet (20,117 m).
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