THIS IS THE TEST SITE OF EUROBRICKS!
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Here is my entry for Category B (Maze control system). MAZE joystick control by rodiziorobs, on Flickr Rather than relying on an etch-a-sketch style control system (in other words, rather than the forward/backward tilt movement and left/right tilt movement being controlled with separate knobs), all movement is controlled by a single joystick. MAZE joystick control by rodiziorobs, on Flickr The joystick is attached to a ball joint mounted pointing upwards, which gives it a wide range of motion. A similar ball joint attaches the maze platform to the base. The movement of the joystick is transferred to the column that supports the maze by two control arms within the housing: one arm controls the left to right movement, and the other controls the movement back and forth. Below is a video clip that explains and demonstrates the function of the control system (clicking the video will take you to Flickr to view it there). These features are also explained in the text below: Video by rodiziorobs, on Flickr MAZE joystick control by rodiziorobs, on Flickr These control arms have a reducing effect on the movement of the maze tilt platform, meaning that large movements of the joystick will only effect small movements on the column. This allows greater control over the tilt of the maze in any direction. The reduction effect works because the control arms are attached very close to the base of the joystick but very close to the top of the maze support column. Moving the joystick moves these control arms a proportionate amount in any horizontal direction. The arms move the same distance for the maze support arm, but because they are farther from the pivot center, the change in angle for the support column is smaller than for the joystick, resulting in a reduced tilt. The housing is decorated with an electric blue and black design with white accents. The knob on the joystick is also the storage for the marble/soccer ball. The maze board design is just the official design used in the LEGO Ideas set, based on the project submitted by Jason Allemann, but redesigned in a fiery lava color scheme (which contrasts nicely with the colors on the base). It is for demonstration purposes only, and not considered part of my entry. In fact, you might have seen it on Andromeda’s Gates recently. (Go MANTIS!) MAZE control box, detached cradle, and maze board by rodiziorobs, on Flickr Thanks for looking over my entry! And thanks to Bob for organizing the contest! Good luck to all participants. More at my Flickr page: rodiziorobs
