The Dome. A FPV ball turret.
by malopezn, published
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Some days ago, a friend of mine asked me for a turret to mount an FPV Camera at an UAV. I searched a little and did not find anything suitable for our project, so i started this dome.
As I wanted to create something original i had the idea of making a simetric dome, so the ball is divided in two halfs, but both are the same, just rotate 180 degrees and you have the ball. So, you have to print the file domo_v2.STL two times, one for each half.
For the servos I have use Hitec HS-82MG. It's a good quality servo with a nice size (http://www.hobbyking.com/hobbyking/store/__9814__Hitec_HS_82MG_Micro_Metal_Gear_Servo_2_8kg_19g_0_12sec.html). The camera is a standard FPV camera, but any 38x38 board camera will do the job (http://www.hobbyking.com/hobbyking/store/__11977__1_3_inch_SONY_CCD_Video_Camera_PAL_.html). For the screws i have use hex M3. The screws for the ball are about 30mm long and the others are 6, 8 and 15 mm long.
After the first model, they asked me to hide wires, so i changed some parts and drove wires over the arm. The top part gives you a freedom of 270 degrees. I use 3 moving screws to support the structure. It's easy to see at the pictures.
I have also included a closed upper part (domo_servo_closed.STL), the one used at the pictures is the open part (domo_servo.STL), you have to choose wich one do you prefer.
For printing you need to use support with the main halfs and just a little with the arm. Take a look at the pictures to see the place where you need the support. Don't use support with domo_servo* or the screws won´t move smooth.
More info at my blog: http://www.3drc.es/domo-fpv-con-pan-tilt-para-uav/
Youtube Video -> https://youtu.be/xeoeMqV47UY
Hope you like!
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The Dome. A FPV ball turret. by malopezn is licensed under the Creative Commons - Attribution - Share Alike license.
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