LEGO Car With Motorized Driving and Steering

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About: Hardware engineer, co-founder of i2A Systems Co., Ltd. in the Republic of Korea. Passionate in making new things.

Intro: LEGO Car With Motorized Driving and Steering

I wanted to build a working miniature car with LEGO components for the purpose of education.

Features:

  • Two motorized motions (driving and steering) enabled by LEGO Power Functions motors
  • 2WD, equipped with a differential gear box at the rear driving axle
  • Built with LEGO parts only

Step 1: Parts List

Full parts list (shown as part number, quantity, description)

  • 2780, 38, Technic Pin with Friction and Slots
  • 32019, 4, Tyre 20/ 64 x 37 S
  • 32062, 4, Technic Axle 2 Notched
  • 32123a, 9, Technic Bush 1/2 Smooth with Axle Hole Reduced
  • 32184, 1, Technic Cross Block 1 x 3 (Axle/Pin/Axle)
  • 32198, 1, Technic Gear 20 Tooth Bevel
  • 32209, 2, Technic Axle 5.5 with Stop
  • 32269, 2, Technic Gear 20 Tooth Double Bevel
  • 32270, 1, Technic Gear 12 Tooth Double Bevel
  • 32278, 14, Technic Beam 15
  • 32316, 3, Technic Beam 5
  • 32525, 2, Technic Beam 11
  • 3705, 2, Technic Axle 4
  • 3713, 3, Technic Bush with Two Flanges
  • 41239, 5, Technic Beam 13
  • 4185, 4, Technic Wedge Belt Wheel
  • 42003, 2, Technic Cross Block 1 x 3 (Axle/Pin/Pin)
  • 43093, 14, Technic Axle Pin with Friction
  • 4519, 5, Technic Axle 3
  • 48989, 2, Technic Cross Block 1 x 3 (Pin/Pin/Pin) with 4 Pins
  • 58120, 1, Electric Power Functions Medium Motor
  • 59443, 2, Technic Axle Joiner Inline Smooth
  • 60483, 8, Technic Beam 2 Liftarm
  • 62821, 1, Technic Differential with One Gear 28 Tooth Bevel
  • 63869, 2, Technic Cross Block 3 x 2 (Axle/Triple Pin)
  • 64179, 1, Technic Beam 7 x 5 with Open Center 5 x 3
  • 6536, 6, Technic Cross Block 1 x 2 (Axle/Pin)
  • 6558, 16, Technic Pin Long with Friction and Slot
  • 6589, 4, Technic Gear 12 Tooth Bevel
  • 6632, 5, Technic Beam 3 x 0.5 Liftarm
  • 86652, 4, Wheel Rim 18 x 37 with 6 Pegholes and Short Axle Bush
  • 87082, 2, Technic Pin Long with Pin Hole
  • 87083, 2, Technic Axle 4 with Stop
  • 99498, 1, Electric Power Functions Servo Motor

Step 2: Assemble the Parts

You can follow the images to build the car. Please make sure that the teeth of gears comprising the steering system should be aligned before assembling covering bevel gear. This procedure guarantees that the steering is not biased when the servo motor is in a neutral position.

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    4 Discussions

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    compc4compc4

    Reply 2 years ago

    I forgot to mention that "except the motors - a Power Functions M-Motor and a Power Functions Servo Motor".