Hi guys! I finally finished my Lego® Electronic/Pneumatic Helicopter Simulator. It took me 12 hours to finish my prototype, which can be found here. I disassembled the prototype and started rebuilding it. Now, after 17 hours, I finally finished my helicopter.
It has various functions and uses various mechanics from Lego®. The model uses two regular Pneumatic cylinders, a Pneumatic air tank, Pneumatic Bar meter, Pneumatic air pump (small), Power Functions Motor (Gear reduction ratio 9,5:1), two 9V "5 x 4 x 2 1/3 stud" Motors, 9V Train Speed Regulator, Control Center II Panel and a Power Functions Energy Display. That is a lot of compartments, but what can it do?
The helicopter can be tilted in four directions (forward, backward, left side, right side), the cockpit lights up (the computer glows and the control stick lights up), the front light works, the two propellers turn 360 degrees, a compressor will fill up an air tank, and the compressor is connected individually from the Train Speed Regulator by the Energy Display (the Regulator charges up the Display's battery so you can fill without the Regulator or turn off the compressor manually). With a valve you can release the air the compressor has filled up to tilt up the helicopter at around 2 Bar (that's about half the pressure a tire from a bicycle is filled up with). Last but not least, the Control Center II Panel enables you to record the tilting in four directions and you can replay the movements you just done for about the last minute.
The entire set-up weighs 3,1 kilograms and is 53 cm (length) x 50 (width) x 22 (height). It is fully powered up by two sockets and has no need for batteries.
Here's a video of the Electronic/Pneumatic Helicopter, please enjoy!
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