This gas-powered robot is built using a Honda 2.5 HP 4-stroke engine and hydraulic power system. It is controlled by a Propeller chip for the ultimate in customizable robots; eight 32-bit cogs at 20 MIPS each create endless programming possibilities. A 64 KB EEPROM leaves 32 KB for non-volatile data storage, and ample expansion ports provide plenty of flexibility for added sensors.
Four solenoid valves allow for the hydraulic power to be independently enabled, disabled, or reversed for either side of its skid steer system. The robot can rotate in position by making a complete hydrostatic turn or by braking one side and making an arc-turn, which can be accomplished at low or high speed. Straight-away top speed is up to 12 miles per hour. QuadRover uses a two-stage pump to provide high-end torque for low speeds and lower torque at higher speeds. This transmission provides a more continuous power band than a single-stage pump system. Servo controlled throttle and disk brakes make for precise acceleration and deceleration.
The Propeller QuadRover robot ships fully assembled and ready to program. The electronics include a Propeller-powered control board with connections for GPS, compass, and 3-axis accelerometer sensors. A remote is also included. Prior to operation the user needs to add the hydraulic oil and gasoline, load the Propeller program and perform benchtop testing. This process requires up to a full day. Shipping package measures approximately 29”L x 19”H x 23”W inches(73 x 48 x 58 cm). Robot weighs 89 lbs. (shipping weight 135 lbs.).
Free shipping offer (via UPS Ground only) valid for addresses in the Contiguous United States only.
See the Power of the QuadRover Video
Additional Info and High Resolution Images
QuadRover Prototype Video
OSURC QuadRover Curb Test
KEY FEATURES:
- Red, Black, and Clear Anodized plating
- Dual grab handles at each end for easy handling and loading
- Dual ventilated disc brakes (rear)
- All terrain 4.10/3.50-4 Kenda tires (also mentioned below)
- Easy access re-fueling location
- Pre-designed electronics perch and mounts
DIMENSIONS:
- Total Robot: 29 x 19 x 21 in. (73 x 48 x 53 cm)
- Wheelbase: 16.0 in. (40cm)
- Ground Clearance: 3 in.(7.62 cm) front - 2 in. (5 cm) rear (disc brake)
- Fuel Capacity: 0.81 US qt (0.77 L)
- Dry Weight: 89 lbs (40.4 Kilos).
ENGINE:
- Type: Honda Air cooled, 4-stroke, OHV, single cylinder
- Bore x Stroke: 41.8 x 36 mm (1.65 x 1.42 in.)
- Displacement: 49 cc (2.99 cu in)
- Compression Ratio: 8.0 : 1
- Requires 10-20 multi-viscocity hydraulic oil (ISO46) 3 cups (not included)
- Requires 10-20 engine oil for the engine (1 1/8 cup) (not included)
- Net Horsepower Output: 1.6 kW (2.1 HP) at 7,000 RPM
- Net Torque: 2.7 Nm (2.0 lbs. ft) at 4,500 RPM
- PTO Shaft rotation counterclockwise (from PTO shaft side)
- Carburetor: Keihin float type
- Ignition: Spark plug
- Ignition System: Transistorized magneto ignition
- Starting System: Manual (recoil starter)
- Lubrication System: Forced splash
- Governor System: Centrifugal Mechanical
- Air Cleaner: Semi-Dry type
- Transmission: Hydraulic Drive
- Drive Train: Belt
- Dry Weight: 12.1 lbs. (5.5 kg)
CHASSIS/HYDRAULICS:
- Durable High-Impact Clear Plexiglass Canopy
- 100 lb. Load Capacity
- Polished Aluminum Bead locking wheel hubs
- 3000 PSI Hydraulic Pump and System rating (Unit operates at approx. 900-1000 psi under normal use)
- Northern Inc. Hydraulic Pump max rating for 160 F
- Brakes/Rear: Dual ventilated Disc
- Tires/Front: 4.10/3.50-4 Kenda
- Tires/Rear: 4.10/3.50-4 Kenda
Resources:
QuadRover Documentation Version 1.3 (pdf)
QuadRover Example Code Version 1.0 (zip)
Outdoor Hybrid Robotic Power Plant
Oregon State University Robotics Club