How to Make a Two-Seater Go-Kart

Written by thomas ganio
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How to Make a Two-Seater Go-Kart
Fun can be shared by riding a two-seat go-kart. (Thinkstock/Comstock/Getty Images)

Go-kart fanatics take pleasure in racing around small racetracks and dirt roads for entertainment as well as competition. Using a two-seat go-kart allows a rider and passenger the ability to enjoy the experience together. To make a two-seat go-kart, you must create a design that is durable and supports the body weight of two occupants. Recognise that your design needs to take in account the variances between adults as well as children. In the case the go-kart is for adults, make sure that the support frames are large enough to handle the additional body weight.

Skill level:

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Things you need

  • Three wooden boards
  • Flat head hammer
  • Nails
  • Sheet of plywood
  • Power drill
  • Rotating swivel hinge
  • Table saw
  • Nine 2-by-4-foot support beams
  • Bucket seat
  • Adjustable wrench
  • Four lawnmower tires
  • Spindles
  • Flat head screwdriver
  • Bicycle brakes or metallic disc brakes
  • Two ropes
  • Bolt anchor screws
  • Steering wheel and column
  • 100-amp, 38-volt electric motor
  • Chain sprocket or pulley belt

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  1. 1

    Arrange three wooden boards on the ground for assembly of the go-kart. Place one board in the centre and the other boards directly over top and the third board at the bottom of the centreboard. In relation to this assembly, this is known as the "I-frame." With the use of a flat head hammer and four nails, connect the top and bottom board to the centreboard. Make sure the I-frame is large enough to for two people sitting with their legs fully extended. The legroom ought to measure around 91 inches front to rear and supplies enough legroom for two grownups averaging six feet in size.

  2. 2

    Place a sizeable flat sheet of plywood on top of the I-frame. The plywood needs to overlap and extend across the I-frame by 5-to-8 feet wide to support the wheels and the drive system.

  3. 3

    Use a power drill to insert a 2-inch opening in the centre of the front I-frame for the drive axle. Add a 6-inch swivel hinge in the beam and tighten with screws. Join the rotating swivel hinge to the main drive axle. Proper placement of the swivel hinge will allow for a side-to-side movement of the front axle.

  4. 4

    Make use of a table saw to cut nine 2-by-4-foot support beams 6 inches wide and 3 feet long. Starting from the middle and ending at the rear of the go-kart, evenly space the nine beams one foot apart and hammer the beams onto the I-frame and plywood. The nine cut beams will become support for the go-kart and the seats.

  5. 5

    Cut two identical plywood pieces that will block off the sides of the go-kart. Cut two 4-by-8 foot long pieces for the go-karts body. Shoulder room in the go-kart should extend 22 inches from the seats to the body frame.

  6. 6

    Align the bottom boards so that they are in-line to the I-frame. Use a hammer and pound in seven to 10 nails to secure the wooden pieces to the I-frame.

  7. 7

    Bolt the two seats to the plywood ground of your go-kart by positioning two planks on top of the I-frame. Locate a bucket seat from a vintage car. Using a wrench and twist the anchor bolts to secure the seats to the plywood and solid wood frame.

  8. 8

    Secure four lawnmower tires and connect each to the ends of the constructed spindles. Use screws to join the wheels.

  9. 9

    Construct a brake system. Use normal brakes from a bicycle as a means to stop the go-kart that does not possess a motor. For a go-kart that has a motor, use metallic disc brakes and attach the brakes along with the cables to the wheels by running the cables through the plywood bottom to a pedal floor brake.

  10. 10

    Attach the go-karts steering handles. When making a go-kart without an engine, consider the connection of two ropes to steer the kart. Fasten the ropes to the swivel hinge, exactly where the beam connects to the front axle. When tugging onto the rope, the front axle will turn the go-karts wheels either to the right or to left.

  11. 11

    Mount using bolt-anchoring screws the steering column to the I-frame. The steering columns consist of a steering wheel connected by cables to the rear axle frame.

  12. 12

    If motorised, set atop of the plywood frame (behind the seats) a 100-amp, 38-volt electric motor that connects to a huge chain sprocket or pulley belt which will encompass the go-karts rear wheels.

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