Page 1 12/6/02 RECONNAISSANCE SURVEILLANCE AND TARGETING VEHICLE (RST-V) Mike Byerly, COR Office of Naval Research.

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1 Page 1 12/6/02 RECONNAISSANCE SURVEILLANCE AND TARGETING VEHICLE (RST-V) Mike Byerly, COR Office of Naval Research

2 Page 2 12/6/02 RECONNAISSANCE, SURVEILLANCE, & TARGETING VEHICLE (RST-V) Schedule: Technical Approach: Joint DARPA, USMC Technology Demonstration (TD) Program Utilize the 845/804 OT Acq. Strategy Design, build, and evaluate advanced HED, survivability, and automotive technologies Evaluate during AWE’s, User Demos Transition to MEFFV, SOCOM, USMC, Army Objective: Develop and demonstrate advanced hybrid electric drive and survivability technologies for lightweight recon/scout vehicles deployable via V-22 aircraft Capabilities: High tactical mobility and fuel efficiency V-22 internally transportable Silent Operations/Integrated survivability Onboard power for payloads, aux systems Multi-Service/Program technology feed Transition/program end TASKS FY01 FY02FY03 FY04 Integrated Product Teams TD design improvements TD fabrication/test Gov’t testing/demos Deliver vehicles to Govt

3 Page 3 12/6/02 System Concept  V-22 Internal Transport – Deployment Ready – Tactical and Deep Insertion – 10 Day Mission  Integrated Survivability - Ballistic - AP Mine - Managed Signature  Hybrid Electric Drive - Improved Fuel Economy - Improved Range - Extended Silent Watch

4 Page 4 12/6/02 Variable Speed Cooling Fans Key Automotive Features HV Batteries Low but, Accessible Steering Rack Modular Folding Suspension Assy Fits All Corners Stiff, Closed, Low-profile Frame, All Aluminum Construction 155 Hp Commercial Diesel Independently Removable Propulsion Elements Wheel Motor Assy

5 Page 5 12/6/02 Key Subsystems Wheel Drive Unit -MM Permanent Magnet Motor -Modular Design -Push Start With Dead Batteries -Torque 3660 Nm (Peak) 3030 Nm (Continuous) PM MOTOR 20” WHEEL PLANETARY MODULE Energy Storage -Saft Lithium-Ion Battery Technology -EV Optimized Battery Chosen for Application -2 Packs, 60 HE 44 Cells - ~234V -Burst Power 60 kW IC Engine -DDC TD DI-4V, 2.5 liter, -Maximum intermittent power 105 kW (141 hp) at 3800 rpm -Common Rail Direct Injection Diesel -Turbocharged, Intercooled

6 Page 6 12/6/02 1 st two vehicles used as automotive test rigs 2 nd two vehicles, configured as 2 nd generation with lessons learned incorporated Demonstrated superior mobility and survivability over current vehicles (HMMWV, IFAV) Accumulated >6500 km on fleet, mixed terrain. - 1000 mile road march - 1000 mile off-road testing for FCS LSI Packaged and demonstrated in-hub electric drive, high density electrical power conversion, and high density hybrid energy storage Program Status

7 Page 7 12/6/02 Recent Accomplishments Demonstrated the following capabilities during The Technical Performance Measure Testing at Bosch Automotive Proving Ground, April 2003: Ascended 60% vertical slope in all three modes (engine- only, battery-only, and hybrid-electric) 20 miles run on silent run mode with 8440 lbs GVW (battery-only), top speed 57 MPH Negotiated 24 inch vertical step in both forward and reverse directions Maintained a speed of not less than 70 mph on dry, level surface for 20 minutes with no component malfunction Traversed a 60 inch ditch from complete stop Acceleration: 0 – 30 MPH, 3.4 sec (HMMWV 9.4 sec) 0 – 60 MPH, 12.1 sec (HMMWV 26.1 sec) 60% Grade Climb

8 Page 8 12/6/02 Contractor TPM Testing RST-V EventAchievedGoalHMMWV * 0-30 MPH3.41 sec4 sec9.4 sec 0-60 MPH12.1 Sec15 sec ( 0 - 50 ) 26.1 sec Top Speed 70 MPH70 MPH70 MPH Top Speed on Batteries (Recorded)57 MPHNo Goal0 MPH Distance on Battery (GVW 6800 lbs)23 miles20 miles0 miles Distance on Battery (GVW 8440 lbs)20 miles20 miles0 miles Step Climb24 inches15 inchesNo Data Negotiate 60% Slope (All 3 Modes)YesYesNo * All data drawn from AM General HMMWV brochure.

9 Page 9 12/6/02 RST-V Performance

10 Page 10 12/6/02 Upcoming Events Continue Technical Performance Measure Testing, Muskegon, MI (June 03) Joint User Evaluation and Testing, Yuma proving Ground, AZ (August 03)  USMC and SOCOM participant

11 Page 11 12/6/02 Late FY 03 start; Objective is to convert a RSTV into a 60 kW mobile power generator to reduce battlefield logistical burden 60 kW Generator Retrofit

12 Page 12 12/6/02 Retrofit vs. “Clean-Sheet” Vehicle Development JTEV HTTV HTTMMP w/AEDT RSTV HE-HMMWV Proven, user-accepted military platform Reliable automotive systems in place Economies of scale advantages Limited design flexibility May be forced to choose sub-optimal components High degree of design flexibility Fresh ideas easier to implement Sometimes forced to custom components High maintenance burden Always something to “tinker” with