Mark's Blog Blog

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My F550 crashed!

My F550 crashed a while ago. I still haven’t figured out what exactly happened… I’m guessing a ESC failed. The hexacopter became pretty much uncontrollable about 20sec after take-off. It fell from the sky...

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Upgrading the 3D printer to bowden

The Prusa P3Steel is printing fine for a while now, so my hands started itching again…. The standard Prusa i3 kit has a so called wades extruder (a geared extruder), this means the extruder...

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Installing ezUHF – Antenna improvements

So, after writing part 2 of the ezUHF installation blogposts, I brought the F550 out to find out if removing the UBEC and placing a ferrite core on the SBUS cable from RX to the...

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Installing ezUHF, fighting noise – part 2

After quite a long wait for my ezUHF JR Module, i finally received it last week. After a quick setup (I’m not going trough the binding and failsafe setup here, at this point) i...

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Installing an ezUHF receiver, fighting noise

So, I moved to UHF because of the bad range using FrSky Taranis combined with 1,3Ghz video. The best chance of getting good range with UHF is achieved by a selecting the right components,...

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3D printed add-ons for the F550

Thinkering about improving the F550 I came up with the idea to mount the video transmitter and ezUHF receiver on the aeroxcraft landing gear. This way I get maximum separation between the two, which...

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Troubleshooting range issues

After flying around with the F550 for a while, I discovered the second hand bought Futaba T8FG TX appeared to have some problems. The Futuba was modified by the previous owner, and I think this...