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DIY $150 Electric Longboard

Intermediate Β· 1 week
πŸ“Ά Intermediate ⏱ 1 week πŸ’° β‰ˆ $150 🏷 Instructables

πŸ“Œ Overview

Build an electric longboard for about $150: a brushless motor drives the rear wheel through a belt, a lithium battery supplies the power, a wireless remote controls throttle and brake, and the motor mount and battery enclosure are 3D printed.

The charm of this project is that it makes a reliable board out of the most ordinary parts - a printed motor mount, a longboard, and an ESC are enough for commuting and cruising.

🧰 What you need

πŸ”§ Step by step

1

Gather the parts

Aim for a 300-600W motor paired with a 3S-6S battery

The belt ratio sets torque and top speed; beginners should copy the author's setup first

2

Make the motor mount

The mount takes the load, so print it with high infill

Bolt it to the truck using the existing holes and align the pulleys before tightening

3

Fit the wheel pulley

Fix the large pulley to the driven wheel and keep it concentric

Poor concentricity makes the belt wobble or even jump off

4

Assemble the board

Mount the motor bracket on the rear truck and set the belt tension

Check that the motor and wiring do not interfere with steering

5

Wire the electronics

Battery to ESC to motor, and the ESC signal lead to the receiver

Put a fuse or an RC switch between the battery and the ESC

6

Print the enclosure

Print the battery box and strap it to the deck

Leave room for the battery to breathe and don't crush the controller

7

First ride

Test acceleration, braking, and steering at low speed on open ground

Ease into the throttle; slipping belts will skip teeth

8

Build a DIY 18650 pack

The author also shows how to build a pack from 18650 cells with a BMS

Spot-weld nickel strips and use BMS balancing - safety first

πŸ’‘ Tips

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