AFP

Special Forces to ride Stealth Dirt bikes; Silent Hawk and Nightmare 30 May, 2016

Defence Advanced Research Projects Agency’s (DARPA) project for special forces becomes real. Two new dirt bikes developed under a government research initiative are unveiled. DARPA’s vehicles had to have the ability to run quietly, use a multi-fuel engine to travel extended ranges on a variety of locally sourced fuels, and generate electrical power.

The Silent Hawk, built by Logos Technology, and the Nightmare, built by LSA Autonomy , have many similarities. Both have electric motors powered by lithium-ion batteries, making them silent to avoid detection. For longer trips, the bikes have multi-fuel engines that can run. Both feature front- and rear-wheel motors.

Silent Hawk has a range of 275 km and can generate up to 40 horsepower. In electric motor mode in which manufacturer claims that it has an "acoustic signature" of approximately conversation-level noise, or less than 55 decibels. In gas-powered mode it's roughly as loud as a vacuum cleaner. The Nightmare is the larger of the two designs, weighing more, generating more power.

Special Forces to ride Stealth Dirt bikes; Silent Hawk and Nightmare

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