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I built this as a potential model for a book, but as the book has not materialised I decided to publish it instead! It searches for a liferaft containing the beacon using the IR sensor mounted under the cockpit. It just shows you that a single set can give you a lot of flexibility. I made building instructions for this model available as a RescueChopper. There is a mistake in the building instruction PDF at step Two parts are missing to hold the EV3 onto the Chopper body.
See the pictures in the gallery below for details. Mark Building Instructions , EV3 Osama Jul 22, Tim Aug 20, Mark Aug 31, Daniel Aug 23, Aug 31, This is a great model!
Julien — thanks for the feedback and also spotting that error. On the tail rotor: You can see it in the pictures if you look closely, but I could not figure out how to add rubber bands in Ldraw. There is one red rubber band in the EV3 set — you can use that. Flo Sep 27, Mark Nov 01, Samuel Oct 18, I will be glad if you will. Thx before and sorry for my bad english. Markus Nov 02, The Link to the Chopp3r.
Can you please upload again? The Link to the control program is not available. Mark Nov 02, Aston Dec 31, Mark Jan 01, Anonymus Jan 23, Hi, the building instructions appear to use more than 10 of , and the retail set has only Could you please take a look at that? Andzelika Mar 29, My 11 years old nephew has just built it. I dowloaded the program for him. Thank you for sharing this great project.! We only have problem with ultrasonic sensor — this function: Thnak you very much!
Amanda Corley May 03, It will not let us download it for some reason is there something we need to download it? Or can you email it to us? Thanks so much my email is acorley hamlin. Mark May 03, Anonymous Jun 14, The model seems to use more than the four red 11 hole technic beams in the kit. Could you fix that? Mark Aug 23, RVR Nov 22, The rear rotors, on the tail, they do not turn with the shaft with the gear system proposed in the building instructions. I designed my own to make the rear rotor rotate.
The Home Edition comes with 4. Other than those two things, the model is great! Very realistic model and ingenious gear systems. Notify me of follow-up comments by email. Notify me of new posts by email. Monitor the touch sensor. If it is pressed then toggle the boolean variable flying If flying is true then turn on the rotor motor, otherwise turn it off.
If flying is true then get the distance reading from the IR sensor and use that to compute the delay between beeps. To use this model all you need to do is: Download and run the program on the EV3.
Press the touch sensor to start the rotors. As the chopper gets closer to the IR beacon the beeps will get progressively quicker.
Connect the cables as follows: Ultrasonic sensor Port 4: Hi there, Just wondering does it actually fly From Tim. The link to the instructions is not working. Can you repost the link or something?? Hi — sorry the file got moved so I uploaded it again.
It should work now! Did you see the link to RescueChopper.