Simple LEGO Toys: Tank Wheel

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Intro: Simple LEGO Toys: Tank Wheel

Build a battle tank from a few LEGO pieces.

Step 1: Grab Your Pieces

1x4459 Technic, Pin WITH Friction
1x3708 Technic, Axle 12
1x6582 Wheel 20x30 Balloon Medium
1x x89 Rubber Belt Large (Round Cross Section)

Step 2: Prep the Wheel

Insert the technic pin into one of the outside holes of the wheel. Push the rubber belt through the center hole and loop one end over the technic pin. This will allow the belt to wind up.

Step 3: Wind Up

Push the axle through the loose end of the rubber belt (opposite side of the technic pin). Hold the wheel and spin the axle around to wind up the rubber belt.

Step 4: And Let Go

Place the wheel on a smooth surface and let the axle go. The rubber band will unwind and the axle will push against the surface moving the wheel forward. If it wants to go in the wrong direction, flip the wheel over so the axle is on the otherside.

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    10 Discussions

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    akanigel

    11 years ago

    We used to make these with a cotton reel (I guess spool in America) What you seem to have missed out is the 3/4" bit of candle between the drive prop and the spool. It acts as a friction regulator, and yes before the days of computers this was a stock toy for boys to make and race. Ah innocent times

    1 reply
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    toucan

    10 years ago on Introduction

    No offence but see cotton reel tank it's easier.

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    porkdemon

    11 years ago

    my dad showed me how to make these with a cotton reel as well, when i was little my dad and i spent like an entire day making stuff likt this, ahh good times

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    N3gat1v3

    12 years ago

    that thing or whatever won,t even move lol

    1 reply
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    austin

    12 years ago

    a battle tank? this looks just like the sewing spool thing

    1 reply