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Race Day Quads Mach 1 with EMAX RS2 2306 2400KV
This year my friends and I stared a local FPV drone racing series. Nothing serious, just a couple of guys meeting once in a while and measuring times over the track. 100% amateur thing. After the second race, I’ve realized that I do not have a drone designed for racing: more than 400g without a…
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Dualcopters are the dead end of evolution
I’m done with coaxial dualcopters. It’s a dead end of evolution: loud, not efficient, hard to tune, hard to fly. If you still want to make one, here is my 3D printed dualcopter on Thingiverse. Maybe you will have more luck than me…
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The news: FrSky ACCESS, BF4.0, F7, SP Racing H7, F7, INAV Radar and Russian Drones In Space
FrSky has announced new air protocol: ACCESS Betaflight 4.0 is just around the corner The topic of F7 as in STM32F7 flight controllers and INAV INAV Radar. Dominic Clifton aka Hydra, known from Cleanflight and Seriously Pro Racing (SP Racing F3, SP Racing F4, SP Racing F7 and so on) is preparing something new: flight…
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This is my 7-inch TBS Source One
This is my 7-inch version of TBS Source One quadcopter frame. So far, so good, Source One is really tough and stiff frame so all the problems with resonance and oscillations in flight should be over. And looks like they are over. It might sound like a good old V8 engine but flies smooth. And…
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How to setup INAV on a flying wing – video tutorial – GPS, Baro and Compass
Do you need a barometer on a flying wing with INAV? Do you need a compass/magnetometer on a flying wing? How to set up a GPS unit and which protocol should you use? Do advanced tuning and set up a return to home, banking angles, landing procedures etc. Configure the most important GPS related flight…
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INAV and Failsafe – especially for FrSky owners (but not only)
You should not trust a guy on YouTube that says that he knows it all OpenTX “no signal” is not the best failsafe setting when FrSky S.BUS devices are used and why Than “Hold” failsafe setting might actually be a better option when S.BUS is used How to setup Failsafe in INAV to have the…
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How to make 868MHz or 915MHz dipole antennas for FrSky R9 or TBS Crossfire receivers
The correct length of 868/915MHz antennas used by FrSky R9 and TBS Crossfire is: From time to time FrSky has a big problem with cutting their antennas to a correct length. Good thing, you can make your own TBS Crossfire RX antennas for cheap!
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How much does a propeller weight? Mass vs. moment of inertia
How often, when you watched or read a brushless motor review you’ve heard a sentence like “this motor will not have any problem spinning a heavy propeller” or “this motor is designed for light propellers”. Or “this is a very light propeller”. But what does that really mean? Thanks to our good friend Sir Isaac…
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The news – INAV 2.1, Betaflight RPM filter, IMU-F goes open source and Matek 4in1 ESC with SerialShot
In this episode of The News INAV 2.1 is here and we have a lot of code waiting for INAV 2.2 Betaflight 4.0 is coming closer and closer together with RPM filter that analyzes RPMs of motors (via ESC telemetry) to set up very narrow notches. What a nice idea! Something very fresh in terms…