Large Octo-V Build

I picked up a used 3DR Hexa from a guy on RC groups for flying a Go-Pro around. So far it has done exactly what I wanted. These mutirotors are one of (at least for me) the easiest things to fly. I have been flying RC planes for 20 years and helis for 5 and these are so much easier.

 

Anyways now that I feel comfortable with the platform for AV I now feel that I want something bigger, and more stable for flying a larger camera. At first I was thinking of a Y6, I like the wide open front, but I don't like the loss of effeicency, nor the low hanging props and I think I also want 8 motors for redundancy. Thus the Octo-V seems like it would be the answer.

 

I want about 1.5 to 2 meters accross the front (I did say large). I will custom build the frame, to my specs, plan is for square alluminum tubing 20 to 25 mm. 6 cell Lipo 10 to 20 AH, and 14" props. 3 Axis gimbal, FPV for camera operator, and telemetry.

 

My one question, at the moment is, what angles do the V need to be? I searched the wiki and found nothing.

 

So far I have bought a 2.5 APM with telemetry, and ordered 1 motor, ESC and prop from RC timer to see the quality and measure power to make sure it will do what I need, If I am happy I will order enough for the rest of it, plus spares.


So what angle do I set the V to and is there anything else I am missing?

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Replies

  • You can build the angles at whatever you like, you'll just need to manually adjust the values to match whatever motor configuration you use.

  • Each arm of the "V" is 14 degrees offset from the center line. Your plan sounds a lot like a build I have been working on recently, an octo-v with 15" props and 6 call batteries. I'm in the process of designing a 3 axis gimbal system, but currently am using a 2 axis as my designs develop. you may be interested in the work I have done so far: 

    Octocopter Initial test flight clips from c0z3n on Vimeo.

    Octorotor further flight tests from c0z3n on Vimeo.

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