Lego Technic 4x4 Drift Wagon

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More about the project:

https://www.flickr.com/photos/141631433@N07/albums/72157678342432663

Hi guys, this is the end result of my experiment to find the recipe for perfect drifting.

Ingredients:

2 RC buggy motors (1 for each axle)
1 Servo motor for steering
1 M motor for brake
4 pair of LED lights (it has nothing to do with drifting :-D )
2 1200mAh RC LiPo's to feed the beast
No Lego power source would be capable to provide enough
current without dramatically raising the weight.
2 Sbricks to govern all the things above. (forgot to list them in the video)

And a game controller with István Murvai's android application:

http://www.eurobricks.com/forum/index.php?/forums/topic/120823-wip-control-sbrick-with-android-game-controller/#comment-2460622

The buggy motors (using the faster, inner outputs)built in traverse to avoid any additional gearing and friction. There is only one gear connection per axle at the differentials.

Brake applies on the rear cardan-shaft, so technically more like a handbrake, aiming to help changing direction, in other words for sharper turns.

Wheels are 1/10 RC wheels with a layer of insulation tape on them to reach the "desired loss of traction".
I find their geometry (diameter/width, offset) more accurate then the available Lego wheels in the given size. And they look badass too. :-D

The bodywork: Never've been my strong side, I've been trying to give a recognizable shape, while balancing between the lack of my talent and the weight it is given to the vehicle, I hope the performance compensates you for the missing doors. ;-)

Any question, please use the comment section.

Thanks for watching and reading.

Attika