K'nex Differential (Version 2)

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Introduction: K'nex Differential (Version 2)

Car differencial built from k'nex for k'nex vehicle by Forsterimages. Here is what your finnished diff. will look like. Also see version one.

Step 1: Parts Required

Here is a list of the parts you will need:

2 white connecters,
2 brown cog wheels,
2 grey cog wheels,
4 orange connecters,
4 yellow rods,
4 white rods,
8 silver spacers,
21 blue spacers,
12 black connecters,
1 yellow cog wheel,
some blue tack.


Step 2: Step One

Take the white connecters and attach four black connecters.

Step 3: Step Two

Take two of the yellow rods and attach a grey cog wheel and a blue spacer to each.

Step 4: Step Three

Take the navy rod rod and attach the two brown cog wheels to each end placing a grey spacer between them. Then place a blue spacer on each end and then some blue tack.

Step 5:

Take two of the orange connecters and and attach them to both ends of the part made in step three.

Step 6: Step Five

Take the parts made in steps one and two and place the yellow rod through the middle of the white connecter. Do this twice.

Step 7: Step Six

Take two red connecters and four black coonecters and attach them as shown. Do this twice.

Step 8: Step Seven

Take the part made in step four, four white rods and eight blue spacers, and attach them as shown.

Step 9: Step Eight

Take the parts made in steps five and six and a yellow rod and attach them as shown.

Step 10: Step Nine

Take the parts made in steps eight and seven and attach them as shown. Leave one grey and one blue spacer for the next step.

Step 11: Step Ten

Take the part made in step nine and place the yellow cog wheel over one of the yellow rods. Attach it to the nearest white connecter using a piece of wire.

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    14 Comments

    i made it but one wheel is always strongest other one.

    Screenshot_2015-03-15-20-34-19.pngScreenshot_2015-03-15-20-34-08.png

    The whells go on the yellow rods then it is driven from the yellow gear.

    I found a way of holding the yellow gear on without the wire but it does require a broken rod.

    2011-03-20 23.09.58.jpg

     I posted something very similar a while ago (here: www.instructables.com/community/Knex-differential/ ).  Instead of using wire I modified (drilled a hole in) the yellow gear.  Your cage requires more pieces, but the additional structure may make it sturdier, I'd have to build one to find out.

    I'm glad you like it! Also see version 1.

    Hey whats the diffrence between them does no. 1 hold more weight?

    I made no.1 first, then a while later made no.2, which i slightly more compact.

    What is the piece of wire for?

    looks cool, i'm going to make it

    looks like some cimplicated part you got there :o