BO Motor Single Shaft 150 RPM DC Gear Motor – High-Torque Yellow Plastic Gearbox Motor for Arduino Robotics & Smart Car Kits

BO Motor Single Shaft – High-Torque 150 RPM Yellow DC Gear Motor for Autonomous Mobile Robots

The BO Motor Single Shaft (Battery Operated plastic gear motor) is the premier, cost-effective, and highly reliable drivetrain actuator deployed across India for smart car chassis kits, autonomous line-following vehicles, obstacle avoidance rovers, and student engineering models. Engineered to balance torque and velocity perfectly, this BO Motor Single Shaft features an internal multi-stage plastic spur reduction gearbox nested inside a durable yellow housing. This internal gear alignment drops raw high-speed DC motor rotations down to a highly practical 150 RPM, delivering the mechanical torque needed to roll over common field obstructions smoothly.

This premium listing highlights the single-shaft layout variant available at VirtualPathshala. Featuring a single physical driving axle protruding out of one side of the yellow gear casing, the BO Motor Single Shaft is optimized for projects where space efficiency and streamlined chassis mounting are key parameters. The clean design leaves the opposing side completely flat, making it exceptionally easy to flush-mount the gearbox housing flat against the structural side walls of your robot’s chassis frames. Complete your mobile robotic drivetrain by combining this gear motor link with our collection of Smart Car Chassis Boards and high-current L298N Dual H-Bridge Motor Driver Modules.

Why Choose a Single-Shaft BO Motor Layout Over Dual-Axle Gears?

While twin-axle models offer secondary encoder placements, they require wider structural clearances inside small robot frames. The BO Motor Single Shaft eliminates this bulk entirely. Its flat, uniform outer facing profile allows you to stack components tightly inside tight miniature rovers. Because the single drive axle matches standard 5.5mm flattened-oval wheels natively, it ensures a tight, press-fit connection that entirely eliminates gear slippage risks under heavy load conditions, providing a rock-solid drivetrain for your mobile platforms.

Key Features of the BO Motor Single Shaft

1. Streamlined Single-Axle Rotational Drive Profile

The core advantage of deploying this specific BO Motor Single Shaft model is its clean, protrusion-free single-axle layout. This makes chassis mounting simple and secure, preventing accidental axle binding against internal electronic wiring tracks inside your smart vehicle assembly frames.

2. Optimized 1:48 Internal Spur Gear Reduction Ratio

The internal gearbox structure of the BO Motor Single Shaft houses a train of high-strength plastic spur gears working across a fixed 1:48 reduction layout. This mechanical reduction turns high-speed, low-torque electrical rotations into stable, high-torque physical power, allowing your mobile rovers to scale carpeted inclines easily.

3. Flexible 3V to 6V DC Low-Voltage Operating Envelope

Powering your mobile robotic fleet requires no complex, heavy high-voltage battery arrangements. The BO Motor Single Shaft operates efficiently across a wide low-voltage range, drawing minimal stall current while delivering peak performance right off common hobby power packs:

• ✅ 2× AA Alkaline Battery Trays – Safe, entry-level 3.0V DC operation for lightweight school kits
• ✅ Single 18650 Lithium Cell (3.7V) – The perfect balance of weight, speed, and cell efficiency
• ✅ 4× AA Rechargeable Batteries or 5V Power Bank Rails – Maximum speed performance tracking metrics

4. Lightweight, Shock-Absorbing Engineering Plastic Shell

The outer gearbox shell and internal gear teeth are molded entirely from high-impact ABS and POM plastics. This specialized material choice keeps the dry weight of each BO Motor Single Shaft assembly under 28 grams, shielding the inner drive core from structural fractures when smart cars bump into walls during navigation tests.

5. Seamless Hardware Motor Driver Compatibility

Because the internal brushed DC motor draws minimal active current during typical runs, the BO Motor Single Shaft integrates smoothly with standard hobby motor control architectures without risk of overloading chip paths:

• ✅ L298N Dual H-Bridge Driver Modules – Supports independent direction control for two motor pairs concurrently
• ✅ L23D Arduino Motor Driver Shields – Direct plug-and-play fit for multi-motor 4WD car chassis designs
• ✅ Miniature HG7881 / L9110S Dual Channel Drivers – Perfect for tight, space-constrained mobile robots

BO Motor Single Shaft – Full Technical Specifications

What Is Safely Included inside the Package

• ✅ 1× 150 RPM BO Motor Single Shaft DC Gear Motor Assembly (Yellow Casing)

Frequently Asked Questions – BO Motor Single Shaft

How do I mount standard wheels onto this single-shaft casing?

The plastic axle on the **BO Motor Single Shaft** features flat dual-sided margins. Standard yellow hobby wheels slip straight onto the axle with a snug friction-fit. For permanent high-vibration security, the center of the output axle contains a pre-formed hole allowing you to drive a small self-tapping machine screw through the center of the wheel hub to lock it firmly to the gearbox core.

Should I solder external capacitors across the motor terminal tabs?

While the motor runs fine out of the box, brushed DC motors inherently generate minor electromagnetic sparks on their internal carbon brushes as they spin. This can create high-frequency electronic noise on your shared power rails. To clean up your data signals, solder a tiny 0.1µF (104) ceramic capacitor right across the motor’s positive and negative copper eyelet tabs to filter out voltage noise from your microchips.

Why does my robotic vehicle stutter or stall when trying to turn around?

This is almost always caused by an inadequate current supply line. The **BO Motor Single Shaft** requires low voltage, but its active current draw spikes toward 800mA per motor when starting up or shifting direction under load. If you are powering multiple gear motors directly from a standard 9V alkaline battery, the battery will suffer a major voltage drop and fail to supply enough current. Use high-discharge rechargeable lithium-ion cells instead to ensure smooth, continuous torque.

Order Your BO Motor Single Shaft Gear Motor Online Today

Build precise, agile mobile chassis rigs, assemble high-performance multi-wheel rovers, or construct custom line-following robots with ease. The reliable **BO Motor Single Shaft** is supplied across all Indian locations with quick domestic shipping choices from VirtualPathshala. For matching rubber tires, chassis plates, motor driver pin guides, and sample Arduino driving codes, check out our matching digital inventory or contact our live tech support helpline.