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Two Airspeed Problems – GPS Difference & Sensor Error on Every Flight
Hi everyone, I’m having two issues related to airspeed. First, even in low-wind conditions, there’s always a 10 m/s difference between GPS speed and airspeed. GPS speed is consistently higher. We’re...
View ArticleServos doesn't work
Hello everyone. I am using a pixhawk 2.4.8. Everything works fine. The buzzer works, safety switch works, gps works, the battery is okay and the battery monitor is calibrated, rc works and it gives...
View ArticleIntuition about GPS Disable
Hi, I need intuition regarding why UAV in Mission Planner follows exact path of waypoints after disabling GPS but deviates in Flight Gear which is the actual Flight Dynamics Modelling result. When GPS...
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[Part 2] T-Motor 60A Not Responding — Possible Power/Connection Issue (VTOL...
Hi again everyone, First of all — thank you so much for all the support in my previous post regarding my ESCs beeping. I’ve applied all of your suggestions: updated parameters, reassigned outputs,...
View ArticleBidirectional DShot on Matek H743-WLITE
Hello! I’m trying to get Bidirectional DShot running on Matek H743-WLITE with MatekH743-bdshot firmware. So far I had no success with different ESCs (AM32 or BLHeli32). The only ESC protocols I get...
View ArticleFun with reverse thrust
I am trying to set up reverse thrust for ArduPlane 4.6.1 and esc Racerstar RS30A Lite with BLHeli 16.5 and dshot300. The esc is set to “3D mode Rev”. RC15_OPTION is 64 and can be set by a switch....
View ArticleAHRS errors (bug) with limited GPS
Has anyone had weird pre-arm messages when testing in-doors with limited GPS? Scenario - 6X Pro with Arduplane V4.6.0, 2 x M9N GPS units, one unit nearer the window has a good 3D fix, the other does...
View ArticleStrange servo output
Got everything working then when plugged in the radio inputs works but servo don’t move, tried resetting SpeedyBee 405 wing Will add more setup accounts.google.com Google Drive: Sign-in Access Google...
View ArticleGPS Not Powering or Getting Fix on Pixhawk 4 – Tried Two Modules (M9N Holybro...
Hi everyone, I’m using a Pixhawk 4 flight controller with the Holybro M9N GPS module. At first, everything was working fine — the GPS LED light up, it took a bit of time to get a fix, and the compass...
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Sudden Altitude Drop During VTOL Transition (ArduPlane 4.4.4) – Seeking...
Hi everyone, Our team has recently been working on a gas-engine pusher-type VTOL UAV and we’ve been running flight tests. While the aircraft performs well during horizontal flight, we encountered an...
View ArticleAvoid VTOL Takeoff in mission if AUTO Mode is enabled during flight
Hi, I would like to know if it is possible to avoid the VTOL Takeoff command of a mission if AUTO mode is enabled during flight. Currently, if I activate AUTO mode during normal flight (ie fixed wind...
View ArticleRedundant prop alignment idea
It really bugs me that my rear prop always stops perpendicular to the airflow. I know you can get aligning motors but they are large and expensive so I thought id experiment. This idea uses a...
View ArticleRudder_Only mode seems not needed, and not desirable for VTOL
I have a VTOL vehicle with wing but no ailerons - planning to use Rudder plus dihedral for roll control. I initially set RUDDER_ONLY to enabled. However, nasty surprise, in the hover (Q modes) I had...
View ArticleAPM Planner 2.0.XX not completing accelerometer calibration
Hey All. Sorry, this might be a bit long. I recently got a HeeWing T1 Ranger VTOL PNP with FC. Direct from HeeWing. I haven’t been able to fly it yet tho, because the ACC calibration keeps… i dunno.....
View ArticleKindly Requesting Guidance on Kill Switch Configuration for VTOL UAV
Hello, We are currently developing a VTOL UAV powered by a gasoline engine and would like to ask for your assistance regarding the ICE parameters. Our goal is to connect a kill switch, which is linked...
View ArticleVtol, loss of altitude during the initial stage of flight
Hello. I can’t understand my problem with my VTOL. The flight controller is installed pixhawk orange. I take off in manual mode as a quad. I gain altitude of 40 or 50 meters. I switch to cruise mode....
View ArticleDual SBUS Receiver Redundancy – Works on Cube Orange+, not on CUAV X7
Hello, I’m trying to implement dual SBUS receiver redundancy on ArduPlane (latest version). I’ve tested this setup on two flight controllers: a Cube Orange+ and a CUAV X7 with CAN PDB carrier board....
View ArticleHow to send battary voltage in SITL using JSON interface?
Hi, I am using JSON interface (-> ardupilot/libraries/SITL/examples/JSON/readme.md at master · ArduPilot/ardupilot · GitHub ) for my physical backend in a SITL simulation. Now I like to change the...
View ArticleHow activate failsafe using switch on RC controller
I am currently configuring a flight termination system (FTS) that has to follow these rules: The FTS shall be automatically triggered: • By breach of the Geo-fence. • After 5 seconds of RC Signal...
View ArticleUnable to get Digital Airspeed Sensor to connect to Pixhawk 6X Mini
This is the Airspeed Sensor I am using. Digital Airspeed Sensor AS-DLVR-I2C – Matek Systems I plugged it in to the I2C port but it will not work no matter what Bus I put it on. I have it set up as...
View ArticleUnwanted and unexpected mode change
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View ArticleTECS arduplane bloc diagram
Hi, I am currently working on a project that uses TECS. But There us a lack of information about how TECS works. I was wondering if there is any documentation like block diagram, schematics on HOW it...
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CRUISE altitude and throttle oscillations
My T-2 Cruza VTOL seems to fly well in FBWA and ACRO after autotune, however I am getting a fair amount of altitude and throttle oscillations in CRUISE. Bin file...
View ArticleBRD_ALT_CONFIG not working in 4.6.1, works in 4.5.7
Target is the OmnibusF4pro, not sure if this is intentional. I didn’t see it mentioned in release notes. I can set the alt config to option 2, 3, 4, and if I reboot it shows as persistent in the...
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FBWA Pitch Oscillation / TBS Mojito Tuning
Hey all, would really appreciate some guidance / advice on tunning my TBS Mojito. I recently went to test fly my TBS mojito the other day with little success, the launch was okay but as soon as it...
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