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9797 NXT LEGO Kit: Basic Car Building Instructions

© 2008 LEGOengineering.com & Tufts University Center for Engineering Educational Outreach

NXT Basic Car Building Instructions

Table of Contents:
A. 2-Motor Car Page 3

B. 2-Motor Car Equipped With a Light Sensor

Page 10

C. 2-Motor Car Equipped With a Touch Sensor

Page 12

D. 2-Motor Car Equipped With a Skid ‘Wheel’

Page14

E. 2-Motor Car Equipped With a Swivel Wheel

Page 17

© 2008 LEGOengineering.com & Tufts University Center for Engineering Educational Outreach

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NXT Basic Car Building Instructions

A. 2-Motor Car

Required Pieces:

© 2008 LEGOengineering.com & Tufts University Center for Engineering Educational Outreach

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NXT Basic Car Building Instructions

Step A.1: NXTPreparation

Side Views

Attach a double black connector peg and a single black connector peg to both sides of the NXT. Connect the double peg vertically in the top most holes. The single peg should be connected in the middle horizontal hole. Your NXT should look like the below picture before moving on to the next step.

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NXT Basic Car Building Instructions

Step A.2: Attach Motors to the NXT

Side View

Top View

Attach the motors (one per side) to the NXT using the double black connector pegs and the short black connector pegs attached to the NXT. The red dots in the side view identify which holes on the motor attach to the pegs. Your NXT should look like the below picture beforemoving on to the next step. Note: The top connection of the double black connector peg is not connected to anything.

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NXT Basic Car Building Instructions

Step A.3: Support Motors

Take an 11-holed rounded beam and attach two short black connector pegs to the outside holes as seen in the redsquare. Connect the pegs to the back of each motor (as identified by the red dots) to further support the motors to the NXT. Your NXT should look like the below picture before moving on to the next step.

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NXT Basic Car Building Instructions

Step A.4: Attach Wheels

Assemble 2 rear wheel assembliesusing a 6-length axle, a wheel, and a hub. Attach one to each motor as seen below.

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NXT Basic Car Building Instructions

Step A.5: Front Wheel Assembly Base

Take an L-beam and attach a black connector peg to the first and third hole on the smaller part of the L. Take a small L-beam and attach ablack connector peg to the first and third hole on the larger part of the L. In the second hole between the two connector pegs on each L-beam, attach an extended black connector peg. Also attach a friction axel to the fourth hole on the small L-beam. Now attach two small L-beams to the protruding pins below the other L-beams. Attach a black connector peg to the second hole on the small part ofthe L. Now attach an axel joiner on each of the protruding connector pegs below the small L-beams. Then, align the wheel between two half bushings and slide the 5-axel through the axel joiners.

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NXT Basic Car Building Instructions

Step A.6: Front Wheel Assembly Attachment

Connect the frontwheel assembly to the bottom of the NXT at the protruding connector pegs.

© 2008 LEGOengineering.com & Tufts University Center for Engineering Educational Outreach

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NXT Basic Car Building Instructions

B. Equipped With a Light Sensor
Required Pieces:

Car from Step A.6

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NXT Basic Car...