The Shadow is a Reconnaissance, Surveillance, Targeting Vehicle (RST-V) program objectives sought to exploit hybrid electric drive technology with innovations in electric-wheel motor drive, chassis design, power management and a patented folding suspension to provide a highly mobile, survivable, long-range reconnaissance vehicle that could be transported inside a V-22 Osprey.
The result was a 4×4 hybrid electric drive vehicle with RST and C3I (command, control, communications and intelligence) capability, coupled with integrated stealth and survivability features. The vehicle can be equipped in a range of mission variants including: forward observer, forward air control, reconnaissance, light strike, battlefield ambulance, air defense, logistics, personnel carrier, anti-armor and mortar weapons carrier. For a Command Post variant, the roof of the Shadow is extended. In transport mode, the RST-V is narrower than a jeep and has cargo capacity comparable to a HMMWV. It can be transported in roll on/roll off mode in a CH-53 or CH-46 helicopter, V-22 tiltrotor and C-130 transporter. Up to 21 vehicles can be carried in a C-5 Galaxy aircraft or 12 in the C-17 Globemaster.
The Shadow RST-V is a 4×4 hybrid diesel-electric drive vehicle with reconnaissance, surveillance, targeting and C3I (command, control, communications and intelligence) capability coupled with integrated stealth and survivability features. It has significantly improved fuel economy and survivability.
The Shadow RST-V has a diesel-electric hybrid drive system based on a front mounted turbocharged, intercooled common rail direct injection 153hp / 114kW diesel engine, which enables the vehicle to operate in stealth, hybrid and engine only modes. The diesel engine powers a 110kW permanent magnet generator that drives four wheel mounted 50kW permanent magnetic hub motors. The power generation system also includes twin SAFT Li-Ion battery packs with total rated output of 20kW hours and a peak power output of 80kW. In stealth mode the Shadow can be powered solely by the battery which provides a significant reduction in acoustic and thermal signatures.
The Shadow can reach speeds of 70mph / 112km/h on the road. When filled, the 25 gallon / 95L tank gives the Shadow a range of 471 miles / 758km at a speed of 31mph / 50km/hour, and 20 miles / 32km on battery power only.