This is a lightweight 320 camera drone made by stretching a Martian 255 kit by the addition of a carbon fiber sheet laminated central deck. The drone uses a Quanum gimbal and a Mobius Mini which also provides FPV. It has GPS and wifi telemetry but can also carry 915Mhz bi-directional telemetry as an alternative. The decks are the Martian 255 decks mounted upside down and to the rear of the deck assembly. 1cm square carbon fiber tubes are mounted over the front to carry the gimbal system. The Multistar 3000mAh 10C battery slides inside the frame and gives 12-15 minutes hover time. A Beitian 880 GPS/Mag is mounted at the very rear of the deck assembly to help counter balance the gimbal. Weight is 900 gms ready to fly with the battery included. It runs INAV 1.9.
If anyone is interested I can provide templates and drawings for the CF parts such as the decks and landing gear. I also am preparing a presentation that provides more complete design information that has complete dimensions and some design information including the ecalc model that started the whole project.
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Do you have any videos recorded by the mobius? Why didnt you go with a underslung gimbal?
I am in the early stages of flight setup and I take the gimbal off for tuning! I will send you some video when I get to testing the HD side. I decided to put the gimbal at the front for two reasons. First to save the weight of the landing gear which can be very short mounted this way. The length of the landing gear is 2.5" and the tubes, bolts and strips only weigh 29 grams. If I mounted the gimbal underneath, the landing gear would need to be double the length. This would more than double the landing gear weight because the longer lengths would require larger tubing and possibly a different design. The second reason is that the props are now well behind the camera and don't show in the video at any time. I will be adding a second receiver and TX to allow a second person to control the camera attitude and wanted to be able to point it up and down with a clear view at high angles, (about 35 degrees up and 90 degrees down).
Nice, hope to see a video of it flying once its done. But i would keep the gimbal on for tuning otherwise you would need to tune it again after adding the gimbal?
Thanks for the interest. Fingers crossed. I have a block of lead that weighs the same as the camera and gimbal that I strap to the gimbal mounting platform for testing. I make sure that the CG is in exactly the same place. I got delayed because I had the compass orientation in the configurator upside down. The compass in a Bietian 880 is NOT oriented as described in the documentation. It is -90o off the axis and upside down. The symptom is that the direction is unstable and rotates in the GUI! The weather looks good today so may be doing some flying.
I've posted a You Tube video about the build in some detail. I have taken
some flight video and will be posting that to You Tube soon.
Do you have a link?
It's in two parts hence the two links below
Here is the You Tube URL of some flight video taken by this drone.