Inav Waiting For Gps Fix
Muredac Ford
3. Flip the launch mode switch, unlock, and push the throttle lever to 70% (the percentage of throttle can be judged based on the performance of the aircraft, at least ensure it's at the minimum cruise throttle + 10%).
4. Observe whether the motor is spinning and whether there is a 'beep' sound from the USB board buzzer when applying throttle (check if the buzzer switch on the USB board is turned on), and if the control surfaces are raised. If the motor does not spin and the control surfaces are raised, it has entered launch mode.
5. Shake the aircraft back and forth by hand to give it an acceleration. Wait for the motor to start spinning before throwing the aircraft (if the settings are appropriate, you can also throw it without waiting for the motor to start spinning, but this is not recommended for beginners
Ardupilot has been supported for a long time, as long as you use the airspeed sensor, if the speed exceeds the specified speed the motor will automatically stop and float until the speed decreases and the motor will be active again.
using soaring is not what you want, the soaring function is to find a thermal source to float longer, not for cruise or loiter (yes it will be loiter but the location that fc decides is not up to you)
This flight mode affects only yaw axis and can be enabled together with any other flight mode. It helps to maintain current heading without pilots input and can be used with and without magnetometer support. When yaw stick is neutral position, Heading Hold mode tries to keep heading (azimuth if compass sensor is available) at a defined direction. When pilot moves yaw stick, Heading Hold is temporary disabled and is waiting for a new setpoint.
Maybe this other comment from the iNav wiki helps:
Navigation modes iNavFlight/inav Wiki GitHub
Prior to version 2.6 on a fixed wing the motor will stop in all Nav modes except Nav RTH and Nav WP if the throttle is reduced below the Min_Check setting. From version 2.6 this behaviour is controlled using the nav_overrides_motor_stop setting which by default keeps the motor running in all Nav modes.
SOAR_CRSE_ARSPD05 50If non-zero this airspeed will be used when cruising. If set to -1, airspeed will be selected based on F33.
SOAR_THML_ARSPD05 50If non-zero this airspeed will be used when thermalling.
...Not brilliantly. Yet. You can see the maiden here and the second flight here . I have actually followed the fixed wing setup guide on the iNav wiki now (after those first two flights), but have been waiting for good weather before I go flying again. I am very confident in the position of the CoG, but not much else. Any advice welcome!
Third flight was magnificent. iNav Launch Mode is a thing of beauty. For those of you that don't know, you configure launch mode, arm the plane, set the desired throttle for launch on your tx (but the prop doesn't start spinning) then throw the plane into the air. When the FC detects the acceleration, it waits for a set time (0.5s) then kicks in the throttle. Will level the wings and climb at a preset angle (20 degrees ish). It will give you control back as soon as you touch the pitch/roll stick. I still need to further calibrate the board orientation in iNav to get level flight, and possibly add a touch more reflex. I also noticed a nose-bobbing behaviour at about 30% throttle - some PID (PIFF?) tuning required there.
quick question what firmware are you using on your flight controller? are you on 2.0? I was wondering if maybe I can get some help from you. or a dump of your configuration from the CLI? now to go watch your videos and subscribe to your Channel ?
no worries man. Ask away! Alternatively I can give you an email address if that is easier. YouTube channel is pretty sparse at the moment, dont waste your time with it. Planning on getting some more content together in the future though. Ill have to check up on the iNav firmware - been a few months since I last played with configuration
yes an email address would make it a lot easier. my email address is bay.ar...@gmail.com I would love to know what configurator your on and firmware. that way I can load it on my plane and try your CLI dump and see if I have better success than I am now I haven't been able to fly other than manual mode and even then it's not flying that well. I'm so new to inav I come from raceflight and flightone inav seems more like betaflight so I'm completely lost. it's such an awesome bird I just want to get it trimmed out and flying with inav being able to use my return to home and auto-launch. but yeah if you can help me with anything like that and I would be awesome and thanks for your prompt reply. look forward you putting more videos on your Channel. you can check out mine it's farmer fpv I have quite a bit of freestyle stuff on there. thanks again
Build looks awesome, as far as landing is concerned i wouldnt fuck around with inav doing it, just do it manually. Simply come in towards where you want to land whislt flying into the wind, when you are at about 100 yards depending on how well the plane glides cut the throttle or lower it to almost zero, then just push the nose down so that you hit the ground at the right time. When you are a few feet off the ground simply pull the nose up to slow down even more and land with the belly first. If you come out short simply add some throttle and if you overshoot make a loop, get another nice approach and try again.
If you don't want to read that. Yes, iNav allows for completely autonomous flight for waypoint missions, can land itself, not sure about takeoff. It behaves slighlty differently for quads vs fixed wings.
AirbladeUAV has done it again and this time they've brought long range to the 5" class! Based on the popular Transformer Mini, the new Transformer 5" Ultralight adopts a lot of the same design philosophies with larger props and more payload capacity. It can fly upwards of 20 minutes on a 4 cell Li-Ion battery pack and in ideal conditions it's got a range of over 4 to 5 miles. In this guide I'll walk..
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I am a huge fan of F7 flight controllers. In a year, they will be a main line of high performance FC on the market. STM32F7 with built-in UART inverters solves so many issues STM32 F4 boards are facing. But, F7 are not there yet. Currently available boards uses STM32F745 CPU in 100 pin packages. They are just too big to comfortably fit 36x36mm format. You place CPU and most of the PCB is taken. Than means there is no space left for either connectors or OSD for example. What we are waiting are FC with STM32F722 in 64pin package!
First thing you will notice while looking at this board is a huge CPU in the middle. Yea baby, F7. But if you look more closely, you will notice something else. This board has two gyroscopes! It has beloved MPU6000, but also a ICM-20608-G which is a newer version of MPU6500. One might say YAY, twice the fun. Unfortunately, not so much. Problem with 2 gyroscopes is that current software can not make use of it. Betaflight can only choose if you want to use this or than, but that is all. No gyro fusion, no redundancy. There are potential perks of having two gyros, but it will take a long long time for flight controller software (BF, INAV, CF) to make use of it. Right now is only a feature.
Also, on the moment of writing it, only not-yet-published Betaflight 3.2 supports this board. And it still struggles with some problems, so according to one of Betaflight developers, it's not advised to fly it yet with Multishot protocol. It should be OK with OneShot125 and DShot, but Multishot is not advised.
Another problem is rather "limited" number of outputs comparing to what CPU offers. Remember? 100 pin package but only 4 PWM outputs (4 motors), 3 UARTs or 2 UARTs and I2C plus SPI you can not yet really use? This is fine for a racer, but not so cool on bigger UAVs...
OK, so maybe this is not the best designed flight controller ever. But, I'm very very happy it was created. It's another small step for future F7 boards that will come. Everyone will learn something from this board. And maybe this is what pilots really need? Hard to decide. I will not yet put this on any of my quads. First I want to add this board to INAV and then either use it on my GPS Racer project or put on regular racer. So I'm not yet putting any label on this board yet. Give me some time :)
For control surfaces with mixed inputs, like Elevons or V-Tails, reverse the Weight in the INAV Mixer page for the offending control surface mixer line. For example - If the left elevator on this V-Tail is going down instead of up, change the Stabilised Pitch weight from 50 to -50 for S3
Now it's just a matter of placing the GPS with a clear view of the sky and antenna facing up, and waiting for satellites to be acquired. This can take from a few minutes to over 10 minutes if this is the first connection.
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