ROVT RoverROVT Rover

Small Tactical Observation Small Tactical Observation PlatformPlatformBuild IIBuild II

Drive ChassisDrive Chassis

TraxxisTraxxis Summit 1/10 scale RC TruckSummit 1/10 scale RC Truck•• 4 wheel drive, locking differential4 wheel drive, locking differential•• 2.4GHz drive control transmitter2.4GHz drive control transmitter•• Added new stiffer springs and 90 weight shock Added new stiffer springs and 90 weight shock

oiloil•• ReRe--geared the drive motor for lower speed, geared the drive motor for lower speed,

higher torquehigher torque

Drive ChassisDrive Chassis

No modification to drive chassis for body mountNo modification to drive chassis for body mount•• Used original body mounting hardwareUsed original body mounting hardware•• Added aluminum bar to attach new bodyAdded aluminum bar to attach new body

Body buildBody build

1/8 inch polycarbonate body1/8 inch polycarbonate body

Camera mounting studs in body / body baseCamera mounting studs in body / body base

Router and CamerasRouter and Cameras

Linksys WRT54GL RouterLinksys WRT54GL Router

Panasonic BL-C1A fixed, rear camera

Panasonic BBPanasonic BB--HCM531A, HCM531A, forward pan/tilt cameraforward pan/tilt camera

Body Electronics / CamerasBody Electronics / Cameras

Added Linksys router, switching power Added Linksys router, switching power converters, and camerasconverters, and cameras

All plastic housings removedAll plastic housings removed

12 volt 12 volt NmhdNmhd battery forbattery forelectronics powerelectronics power

Final Rover BuildFinal Rover Build

Black paint, external Black paint, external micmic, one drive radio , one drive radio antenna, two audio/video antennasantenna, two audio/video antennas•• Front camera Front camera -- 6060°° pan, 20pan, 20°° down tilt, 45down tilt, 45°° up tiltup tilt•• Rear camera Rear camera –– fixed mountedfixed mounted•• IR IR LEDsLEDs, 8 forward facing, 4 rear facing, 8 forward facing, 4 rear facing

Final Control BuildFinal Control Build

RC controller hooked up to directional antenna RC controller hooked up to directional antenna with 300mA boosterwith 300mA booster

Duel diversity audio/video antennasDuel diversity audio/video antennas

Dedicated laptop for drive cameras, with picture Dedicated laptop for drive cameras, with picture in picture rear camera viewin picture rear camera view

Motion and manual recording of videoMotion and manual recording of video

Drive/Battery TestDrive/Battery Test

Wireless rangeWireless range•• The range of the rover was ~1000ft LOS and The range of the rover was ~1000ft LOS and

~250ft NLOS~250ft NLOS•• Driving inside a building with multiple walls it Driving inside a building with multiple walls it

had ~70ft rangehad ~70ft range•• Deploying this vehicle from a forward post is Deploying this vehicle from a forward post is

probably the best option.probably the best option.

Battery lifeBattery life•• ~1.5 hours of field run time, including a couple ~1.5 hours of field run time, including a couple

top gear runs and a hill climb in tall grasstop gear runs and a hill climb in tall grass

Issues/Ideas with final buildIssues/Ideas with final build

Change batteries to Change batteries to LiPOLiPO for less for less weight and more run timeweight and more run time

Change current, separate, drive Change current, separate, drive frequency to WiFi along with frequency to WiFi along with audio/video and drive by PCaudio/video and drive by PC

Add speaker for twoAdd speaker for two--way way communicationcommunication