6s 5" Badger DJI Edition

By jeffsend on Aug 25, 2020

17  955  4

This is my first dedicated DJI build,although I'd been testing an air unit crudely mounted to an analog quad for a few weeks. I'm really enjoying the DJI system,and can tell I'm going to enjoy this build. It flies pretty nicely on the stock tune,and hopefully I'll be able to dial it in even better. It's my first 6s and my first quad with Crossfire,so I'm learning a lot of new things. It was a tight build,but I'm very pleased with how it turned out!

I ended up going with less capacitance than I wanted because I wasn't happy trying to cram a larger one in there. I used the 35v 470 that came with the Mamba stack and am keeping my fingers crossed that it's enough. If i have any issues,I can always add one to the power lead,or perhaps fit another small one inside,but so far it's been flying fine.

I got the skid file from Thingiverse some time ago,but unfortunately it doesn't seem to be available on there anymore. I can't seem to find it anywhere. Wondering if it was a copyright issue,but I'm not finding them for sale anywhere either. I like the design which allows you to securely mount your motors to the carbon with 2 shorter screws,and the skids with 2 longer ones.

I really disklike the way the DJI antennae fit the air unit. The top panel of the air unit sticks out a bit over the edge which puts pressure on the connectors when you rotate them to a vertical position. It may have been better to mount the unit upside-down to alleviate this problem,but I wanted it to have good cooling. So far,it hasn't caused any issues,but I may end up trying different mounting options later on. My main concern is it will be hard to tell if the connectors have popped out or not because of the way they are wedged in there.

I'll try to add some flight video when I can find time to edit.

8/27: Forgot to discuss the frame..... This was my first premium frame. I tend to go for midrange gear,and am not a fan of spending big bucks just for brand or hype. However,I wanted my first DJI build to go smoothly,and didn't want a dead-cat frame or super skinny arms(concerned about tuning for freestyle). I was always curious about the camera cage on the Armattan frames,and after looking around awhile,decided to give them a try. I do not regret my decision,and I'm impressed with the tolerances required for this frame to fit together as well as it does. The camera cage is nice,and if I decide to add a GoPro,it will be nice to be able to tilt both cameras together. The DJI camera needs spacers to fit the mount provided. Plastic washers are provided but it's a bit fiddly to get them in there and they don't seem to be exactly the right thickness,but get the job done. My build came out a bit nose-heavy even without a GoPro. I have to keep the battery rearward. I went with 30x30 stack which sits forward of the cg on this frame. A 20x20 would sit closer to the cg and weigh less,but I'm not sure how much difference it would make. All in all,I'm very happy I gave this frame a try,but if one were trying to keep a budget,I think you can spend less on the frame and still end up with a good quad.

9/1: Fixed my video quality issue by upscaling it to 2k resolution. This is footage from goggle dvr edited in Movie Studio,then dynamically stretched and upscaled in ShotCut.

Photos

Discussion

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EO   Aug 31, 2020  

How did the go pro mount go with this and the footage? I am considering this frame for cinema style flying and mid long range. Any props in the footage?

jeffsend   Aug 31, 2020 

No props in view even on FPV cam. Just posted some footage,although youtube compression caused some weird artifacts. I haven't gotten around to trying a GoPro. I have a Session 5 and I like it to be secure,so I will try 3d printing a mount. I saw a couple on Thingiverse that look solid. I believe this would be a good option for what you'd like to do.

EO   Aug 31, 2020 

Thanks for the reply. I am probably gonna use the 6" configuration just need to figure out the right kv and motor for long range. Do you have an idea?

jeffsend   Aug 31, 2020 

Sorry,I do not. Still consider myself a beginner at building. I have not done a build with efficiency as the main goal yet. I get the typical 3 min aerobatic flights on this,and could probably push it to 5 mins just cruising,but I haven't tried yet. Definitely not enough for long range though.

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