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1
vote
2answers
86 views

How to design ackermann steering with lego wheel bearing front?

I wanted to use a steering system based on the 11949 part: But I am not sure how to use it in an ackermann system - I would like to be able to have drive and suspension on the wheel, and this piece ...
5
votes
2answers
172 views

Two-state clicker button

For no particular good reason, I think it would be interesting to build a Lego button that behaves somewhat like the button on a click pen: as you press it, it alternates between a "down" state and an ...
4
votes
1answer
550 views

How can I make a precise one-way clutch using Technic elements?

I need a mechanism so that if a (NXT) motor rotates forward, it moves one gear, but the other stays still, but if it rotates backward, the first gear does not move, but the second one does. I found ...
3
votes
2answers
597 views

How make a 6x6 board rotate using LEGO technic parts?

Are there any common patterns for making a 6x6 (or bigger) LEGO board have a ability to rotate using technic with gears and such? Has to be without the help of the existing 2x2 lego part that rotates, ...