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Nomad Lawn Mower Safety

Nomad has many sensors and systems to ensure safe autonomous operations. Over many years, the commercial landscaping industry has developed robust safety standards for outdoor power equipment. Nomad is fully compliant with all of the relevant components of these safety standards.

Nomad Lawn Mower Concept & Design

Nomad is a commercial robotic mower designed to be fully autonomous; It does not require a bounding wire or a manual outside path/headland path to be mowed before being autonomous. Its autonomy allows it to work independently or as part of a crew. The highly redundant sensor suite includes inertial guidance technology, LiDAR, stereo cameras, ultrasonic sensors, and GNSS (GPS). These integrated sensors enable Nomad to stay on the planned path, avoid objects, and maintain safe, high-productivity operations.

Nomad is gas-powered, and the primary traction is through hydraulic ground drive motors within rims fitted with conventional turf tires. Nomad has all-wheel driving and all-wheel steering for the best traction and path-planning flexibility. The steering is provided independently at each wheel that can rotate through 360 °, allowing a very tight turn radius. The mowing deck is a conventional three-spindle deck containing three 20.25” blades. The height of the deck is controlled by linear actuators enabling accurate mowing height between 1.5” to 5.5”.

Nomad Lawn Mower Concept and Design by Zapt

NOMAD MOWER SPECIFICATIONS

NOMAD ENGINE

ENGINE:

38HP Kohler 999cc Command PRO® EFI engine

Emissions Compliance:

Not Certified in CA

EU Stage V

EPA Phase III

China Phase II

Fuel Capacity:

Gasoline 6 gallons

NOMAD HYDRAULICS

Pump:

Axial piston demand pump 32GPM

Reservoir:

7 gallons

Heat Exchange:

40720 BTU’s per hour

Control:

4 custom cartridge proportioned valve manifolds

Wheel Motors:

100ccm Geroler

Hydraulic Fluid:

Premium Biodegradable, safe for turf use.

NOMAD ADDITIONAL SENSORS

Fuel level

Hydraulic oil level

Oil temp into the exchanger

Oil temp out of the exchanger

Hydraulic pressure high side

Hydraulic pressure tank

Battery voltage

Alternator charge

10 synchronized SAE Class 2 amber LED safety lights

NOMAD DECK

Plate Thickness:

Galvanized powder coat, 80-Grade 7-Gauge

No Deck Discharge:

High lift mulching blades

Anti-Scalp Wheels:

Qty 6 in deck, heavy-duty caster rollers

Blade Tip Speed:

18,300+ ft/min (5,577.8 m/min)

Blade Type:

3 x 20.5 in x 0.25 in thick heat-treated steel

Height of Cut:

1.5" - 5.5" in 0.25" increments

Spindle Bearings:

NOMAD MOWER FRAME

Carrier Frame:

2" x 1" x 11 gauge

Tires:

C/S 18 x 8.5

Ground Speed:

Transit 9 mph (15km/h) in any direction

NOMAD OPERATIONAL LIMITS

Max speed:

9 mph (15km/h)

Nominal Cutting Speed:

4.5 mph (7.25km/h)

Max Slope:

15° operational, slow transit 25° (in Fat mode)

Max Accel:

0 - 9mph 15s (0-15km/h 15s) up 15° slope

Cutting Width:

60” (1.5m)

NOMAD MOWER ABILITIES

  • Open Field, Clear Skies

  • Light & Heavy Rain

  • Light & Dense Tree Cover

  • High Dust

  • Onboard Job Memory

  • Auto without Manual Boundary

  • Works Near Fences/Tall Buildings

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