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The gearbox is a heavily modified version of the one from Porsche. By the way, I used the simple 90° limiter by Didumos69 – thanks for the idea! Unfortunately, I had already disassembled those models before I started this one. Wow, thanks!

This is my model of the Meter Maid Cart from Zootopia. Features: Full independent suspension; Easy access to battery box. Remotely controlled Power Functions: Driving (Large motor); Steering (Servo motor) + synchronized steering wheel; 4-speed sequential gearbox (just for fun!) switched with a Servo motor. Windscreen wiper (Medium motor). Manually controlled Power Functions: Headlights (manual switch). Manual functions: Rotating flash lights. If you like this model, please support it on LEGO Ideas! Also, if you like Zootopia, see my models of Judy Hopps and Nick Wilde! Or even support them on LEGO Ideas!

Street Lamp Halfway to Heaven Octafruit Exoplanetary Outpost Cathedral Alien Nest Forbidden Love Miserable Trophies Headache

Update: Alternative outfit for Judy Hopps:

Here is a simple example: Put a temporary SNOT brick. Connect side plates to the SNOT brick. Replace the SNOT brick with a Technic brick. Put a Technic peg in the Technic brick. Now everything is connected together, and there is no collision errors. In your case I would suggest building something like that:

You just need to position the side panels using temporary SNOT bricks, then replace them with Technic bricks and put pegs in them.

More of surrealism...

Blondie-Wan, CM4Sci, dr_spock, thank you for the answers! I almost forgot about them, thanks for reminding me! Although my project is far from being popular, those guys are unpredictable. I'd rather wait until this threat is completely eliminated.

Hi guys, I have a small question: is it OK to share instructions for a model from an Ideas project, and how it may affect the project?

Thanks for your comment, Slegengr! Either this or I just couldn't find an explanation myself!

Small update: I've made an improvement to the digital model of Judy Hopps, and now the ears can be fully lowered: Render made with BlueRender.

Magnificent animation, thank you Blakbird! As for me, I used BlueRender to make this silly promotional poster:

Update: I have made a simplified version of the model with only two rotating rings and one motor. It may be also actuated by hand. Video demonstration and speed test:

You guessed right. ;)

OK, I've sent you a message.

Unfortunately I only have an LDD file. Btw, I've tested the model with L-motors, and everything works fine. It rotates faster, but of course not insanely fast. However, I'm still more interested in adjusting the control options which I'm going to study first.

Thanks everyone for your kind words! I've already built the simple version, so this time I wanted to fulfill its full potential. I guess you are talking about this cancelled project:

Removed

Nikolay, wissamms, nerdsforprez, thank you! The reason is the use of XL motors for maximum power and gear reduction with worm gears to protect the transmission. In other words, it's just the maximum speed that can be achieved with the XL motors. Personally I find this speed quite comfortable and useful for demonstration of the working principles. Nevertheless, I'll try to test the model with different motors in the future.

The origins of the idea: The core of this model consists of three rings which can independently rotate around three perpendicular axes. These pivoted rings are called gimbals. Gimbals have been used in a wide variety of engineering applications since ancient times till modern days. Gimbal suspension is used to provide stability to objects inside unstable environment, e.g. compasses on ships and gyroscopes on planes. Furthermore, the simplicity and effectiveness of gimbals often attracted artists' attention. In science fiction and fantasy, gimbals have been used to represent complex contraptions capable of creating new physical effects and even manipulating the very fabric of reality. Some of the examples include the machine from the 1997 movie Contact, the gravity drive from the movie Event Horizon, mass relays from the video game series Mass Effect and even the Time-Turner from the movie Harry Potter and the Prisoner of Azkaban. LEGO implementation: The idea of this model is to set gimbals in motion. Complex transmission allows each of the three motors to independently operate one of the three rings. Therefore the contraption is very easy to control. The rings and the frame are perfectly rigid and secure. The design of the model is intentionally minimalistic so that it could be used as a part of larger models. Video demonstration: Simple version: There is also a simplified version of the model with only two rotating rings and one motor. It may be also actuated by hand. Video demonstration and speed test of this version: Afterword: If you like this idea, please support my project on LEGO Ideas and share it with your friends! Thank you for your attention!

Thanks everyone for your support!

I have updated the topic with a model of Nick Wilde! I have also created a LEGO Ideas project, so if you like my models of Judy and Nick, please support and share!

Thanks everyone for the kind comments! I hope too.

Posable models of Judy Hopps and Nick Wilde, the main heroes of the 2016 Disney animation film Zootopia: Alternative outfit for Judy Hopps: Thank you for your attention!