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After a little tinkering, I managed to create this self-locking differential. It locks when the car goes straight and unlocks when turning: A set of 12t gears are connected to the steering rack. When the rack is in the middle (and the car going straight), the two halfshafts are coupled together, locking the differential. When the rack moves to the left or right to steer the car, the 12t gears disengage with the 20t gears and let the differential act like an open diff: The main downsides I see with this setup are that the differential may stay locked during wide turns with small rack movement and the width of the axle is increased. A standard independent suspension with a differential and 68.8x36 ZR wheels (the combination I usually use) is 25 studs wide; with this feature it increases to 27.
I am looking for suggestions on a better way to lock one of the levers in the RC remote control. This older thread http://www.eurobrick...remote +control had one method, as shown in the first image, but is a bit bulky. I would like to be able to lock the lever position in a two-remote set-up, with one of the center remotes being the lockable one (second image, lime-colored lever). The function will be for lights on/off on a 4x4 with independant front and rear steering. Any thoughts would be appreciated. (Chewing gum and other non-Lego solutions are not preferred).
Hi all, I have been recently working on some track layouts and I have grown to like the flex track, even if it is flimsy. My major problem with the flex track is that it is hard to lock it to certain angles. The 0 degree angle is easy to make, just but 2x4 or longer plate in the middle but other degrees are harder to achiece. I recently come up with solution for one locking technique that locks the flex to around 6,5 degree curves, i.e. the max curve. The technique of course requires bit more bricks to make the connection stable but you get the idea. I would like now to ask for other techniques that you have either come up on your own or found online. I did some google-fu but didn't really find any solutions but I think others have come up with brilliant solutions already. So, why don't we make a small info and idea thread about locking the flex track?