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RC Technic STS Crane . Hi everyone! This is my newest big technic creation, a remote controlled ship to shore crane! Hope you like it! :) . The crane is 66 cm high and 107 cm long, it has 8 whels, 4 motors and it contains 34 13L liftarms, 42 15L liftarms, 110 gears, 468 black 2L pins, 269 blue 3L pins and the length of the axles in it is 1178 studs, more than 9.1 meters! It has four functions. It can go near the water, catch and release the container, rise and lower it and take it between the shore and the ship. I made a video about the crane. The temperature was +1°C, the batteries were weak, so the mechanism of the compressor couldn’t work well, the crane couldn’t catch the container. We had to found out something instead of the original screenplay, and this is the result, a real HD disaster movie in Holywood style! :) (The video is faster, than the real speed.) If you don’t belive, that the crane can catch the container, or you are simply curious about the real speed of the functions, look at this video, too: There are some pictures here, they show the whole crane and the harbour. Many thanks for these amazing pictures and video records to László Horváth . Now I write a little about the boring technical detailes and the operation of the functions. 1. Going near the water This motion is the task of the L motor. It uses the worm gears to bring the driving to the four legs. Then the axles go down in the middle of the legs, after they turn paralel with the ground. In the lowest part of the legs you can see shock absorbers. The axle drives a 16 toothed rear, and the absorbers push it to the wheels. If you use a hole on a liftarm for the gear, the driving is too tight, or the gear doesn’t touch the wheels. The force, what the absorbers use to push the gear, is perfect. 2. Ship to shore, shore to ship There is a car on the top of the crane. It has two rows of tan 20 toothed gears on its top. And on the whole lengths of the crane there are two axles with a lot of grey 16 tootled gears. The car can be wherever, one or two grey gears touches the tan gears. The car is driven by two strings. The round bricks above the battery boxes are coiling up one string, while coiling down the other. The weight of the two battery boxes is necessary. If the container catcher is above the water with a container, the arm of the force is very big, so the crane loses its balance. 3. Catch the container The catcher uses a compressor and an autovalve, they are driven by one of the long axles. If the catcher is down, the two pneumatic tubes create a circle. You can see it on one of the pictures, which shows the whole crane. If the crane rises a container, the circle becomes an ellipse. The tubes don’t cause problem with this method. It’s easy to catch the container and put it onto the trailer or the ship because of the shape of the catcher and the slopes. 4. Rising and lowering This picture shows the bottom of the car. On the right side there is the autovalve and in the middle there are the two reels. The cabin of the operator: It took two months to built the crane. I enjoyed it very much, because it was full of challenges. There were a lot of problems with the mechanisms, but I could solve all of them. I like this creation very much and playing with it is fantastic, I hope you like it, too. Thanks for watching! :) Update! The LDD file of the crane is available! :) If you would like to you build it, please read the following information. The LDD file doesn't contain thees pieces: 1x 99798c01 Light Bluish Gray Pneumatic Pump Small (6L) 1x x189c01 Yellow Pneumatic Cylinder with 2 Inlets Small (32mm) 2x 5102c80 Black Hose, Pneumatic 4mm D. 80L / 64.0cm 1x 5102c21 Blue Hose, Pneumatic 4mm D. 21L / 16.8cm 1x 4694b Dark Bluish Gray Pneumatic Switch with Pin Holes 1x PF L Motor 2x PF IR Receiver 1x bb339c01 Light Bluish Gray Electric, Pole Reverser / Polarity Switch with Black Lead, Power Functions Complete Assembly, It is possible to use a simple cable instead of it. I used it, because I haven't got other cables at home. You will find two worm screw near the crane. You can see one of them on this picture behind the receivers. The other is on the other side. And I think these pictures help you to place the pnaumatic tubes right. If you have questions, you find my e-mail adress on the main page of my mocpage! Happy building! :)

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