This is a prebuilt robot that uses custom length sides and 10 inch tires.  We have included everything to make it ready to run including batteries, controllers, chargers, etc.

 Included:

• (Qty 2) Custom Length ATR Side
• (Qty 2) ATR Standard Wheel and Shaft Set Pair - 10 inch pneumatic
• (Qty 1) 3/16" Thick Custom Aluminum Base
• (Qty 4) IG42 24VDC 122 RPM Gear Motors
• (Qty 1) Sabertooth Dual 12A RC Motor Driver
• (Qty 1) GWS 4-Channel Transmitter and Receiver 2.4GHz MD2
• (Qty 1) Smart Charger for 6V-12V Lead Acid Battery -3A
• (Qty 2) 12 Volt 7.2 Ah Sealed Lead Acid Battery (run in series for 24V)
• (Qty 4) Electric Motor Hookup Kits
• (Qty 1) Electric Power Hookup Kit
• (Qty 1) Hardware and Electrical
• (Qty 1) Assembly and Testing

This robot is built and ready to go!   Please allow 1-2 days for packaging prior to shipment.  We have included a RC controller with it, but it could be replaced with a microcontroller or a larger channel radio for pan and tilt camera system, etc.  

Please contact us if you need this robot customized.  The measures speed of this robot is 350fpm.  The robot is about 22" wide and 28" long (edge of wheels to edge of wheels).  The robot has a 4" ground clearance.  The total weight of the assembled robot with batteries, wheels, etc is 40lbs.  The chassis dimensions are 14.75" wide by 21" long.  The list below shows the measured total  (all 4 motors combined) current draw for different scenarios:

 Robot Specifications:

• Drive straight concrete: 2.75A
• Drive straight grass: 3A
• Pivot Turn smooth concrete 10A
• Pivot Turn rough concrete 16A
• Pivot Turn asphalt 16A
• Pivot Turn grass 16-17A
• Pivot Turn carpet 14A
• Right Turn or Left Turn Asphalt 8A
• Uphill (loading dock ramp) 5A

 Delivery:

• This robot is pre-built.  Please allow 1-2 days for shipment.

 Video:

The video below shows how well this robot handles most terrains and obstacles.