Hello,
This was also posted on r/Motors but I thought maybe fellow MechE might have a good insight too.
I am an EE student currently at my 2nd year of college and I am building an antenna tracker. For those who don't know, an antenna tracker gets GPS position info from another object (like a drone) and use that information to calculate the angles and point a directional antenna at it.
My chosen antenna weighs around 7.5 kg (and with all other stuff might come to 8.5 kg) and it needs to have two ranges of motion ( i think you could explain it as pitch and yaw or you could say it rotates horizontally and vertically). When it follows a drone, I imagine that doesn't need high speed but a considerable amount of torque to move the heavy antenna. I considered stepper or servo motors for this purpose and while researching about the pros and cons of those two, I found the stepper motors to be better for my use. What do you guys think?
Also, it would be really great if someone could help me with calculating the required torque so that I can pick the right motors for my application.
The antennas dimensions are: 650 x 650 x 386 mm.
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