Dagu Wild Thumper 4WD All-Terrain Chassis, Black, 75:1

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  • Part No :
  • ROB-2204
  • Availability:
  • In Stock
  • Shipping :
  • Same Day
  • Weight:
  • 2.5Kg
  • Made By:
  • Dagu
  • Mfr.Part.No:
  • RS010
  • Quality Rank:
  • 100/100
  • Warranty:
  • 1 Month
Price:
Rs 14499
(Tax Excl.)
Quantity :
This rugged, 4-wheel-drive chassis from Dagu Electronics is a smaller version of the Wild Thumper 4WD chassis with Encoders for 2 separate wheels . It is designed to excel at traversing rough terrain, making it a great platform for any robot that needs to perform tasks in a complex outdoor environment. It features four powerful DC motors with brass brushes and 34:1 or 75:1 steel gearboxes that drive large (120mm diameter) spiked tires, and a unique “super-twist” suspension system acts to keep each wheel in contact with the ground for maximum traction, even when driving over uneven or bumpy surfaces. The suspension can be adjusted to suit different loads and conditions. The chassis is made from a 2mm-thick corrosion-resistant anodized aluminum plate, all of the nuts, bolts, and screws are stainless steel, and the brass fittings and suspension springs are nickel-plated.
 

When powered at 7.2 V, the version of the chassis with 75:1 gearboxes can reach a top speed of approximately 3 km/h (2 mph), and each motor has a stall torque of roughly 11
kg-cm (150 oz-in).

Using the Chassis

The chassis’ aluminum plate has 4mm holes spaced every 10mm, providing plenty of options when it comes to mounting your control electronics, sensors, and additional hardware. A compartment in the chassis has been designed to hold 7.2V sub-C battery packs (not included) that are commonly used in RC cars. Two such battery packs can fit in the compartment. The interior of the chassis also features convenient screw terminals for connecting your battery and motor driver leads. The motor leads are pre-connected to these screw terminals.


This is a differential-drive chassis, meaning that turning is accomplished by driving the motors on the two sides of the platform at different speeds. The two motors on each side of the robot are wired in parallel, so only two channels of motor control are required to get this chassis moving. The motors are intended for a maximum nominal operating voltage of 7.2 V (2V minimum), and each has a stall current of 6.6 A and a no-load current of 420 mA at 7.2 V. Since the motors will briefly draw the full stall current when abruptly starting from rest (and nearly twice the stall current when abruptly going from full speed in one direction to full speed in the other), we recommend a motor driver capable of supplying the 14A combined per-channel stall current of these motors at 7.2 V.

Specifications:

  • Size: 280 × 300 × 130 mm (11" × 12" × 5")
  • Weight: 1.9 kg (4.1 lb)
  • Ground clearance: 60 mm (2.5") when lightly loaded
  • Recommended motor voltage: 2 – 7.5 V
  • Stall current at 7.2 V: 6.6 A per motor
  • No-load current at 7.2 V: 420 mA per motor
  • No-load output shaft speed at 7.2 V:
    • 350 RPM for the version with 34:1 gearboxes
    • 160 RPM for the version with 75:1 gearboxes
  • Stall torque at 7.2 V:
    • 5 kg-cm (70 oz-in) per motor for the version with 34:1 gearboxes
    • 11 kg-cm (160 oz-in) per motor for the version with 75:1 gearboxes

Chassis Options:

If you are looking for a bigger robot that is better at scaling inclines and traversing larger obstacles, please consider one of the Wild Thumper 6WD models:

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Dagu Wild Thumper 4WD All-Terrain Chassis, Black, 75:1