Is there any way to slow down the throttle servo transition from full rpm to...
I have run into several occasions of Jesus bolt breakage when the traditional heli landing in auto mode. I am using an external governor. The motor interlock was disable by the system when land in...
View ArticleHeli governor overtorque protection
I have ran into an issue with heli governor underspeed condition. It triggers even if the RPM drops due to external factors. In my case throttle curve isn’t an effective fallback as there is...
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Coaxial twin-rotor mechanical semi-differential helicopter with 5 servo motors
@rmackay9 I have a coaxial twin-rotor helicopter using five servos. Three servos control the cyclic pitch and collective pitch of the swashplate, and two servos control the yaw control via a...
View ArticleLarge cargo helicopter with a rotor diameter of 7 meters and a takeoff weight...
I am building a large cargo helicopter with a rotor diameter of 7 meters and a takeoff weight of 800 kg. I am currently encountering a problem. During the takeoff phase, in the approximately 3 to 4...
View ArticleSafely accessing FATFS in flight for very large mission files stored on SD card
Hi everyone, I am working on a custom ArduPilot setup and I am currently facing a mission storage size limitation. My mission file is very large, around 512 KB, so the existing SD mission storage...
View ArticleGPS reported error but stats are good
Hi, I have M10 GPS running on Matek F405-WING v2 mounted on an aluminium boom on a 450 size helicopter. I get error message ‘Unhealthy GPS signal’ but it’s got 18 sats and HDOP of 0.71, position on...
View ArticleFirmware for the ESP32-S3 copter
Is there a firmware for a drone on the ESP32-S3? I understand that there are 3 UARTs, but it would still be interesting to run a copter on this firmware. 4 posts - 4 participants Read full topic
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Unexpected Landing Detection During RTL at 35m AGL
Hi , I’m experiencing an unintended landing detection during the RTL phase of an auto mission and would appreciate any insights from the community. Flight Summary : Mission type: Auto Mission with RTL...
View ArticleServo Behavior In Different Flight Modes On The Bench
I am setting up a Pixhawk 6C Mini on a 600 size scale heli using Arducopter 4.6.3 . After setting up swash and tail, I set flight modes on channel 5 - Loiter, AltHold, and Drift. I notice the servos...
View ArticleFC failed to initialise and won't connect to MP or QGC
Last weekend I took my scale-fuselage TRex500 to the field after not flying it for a few months. When I powered it up I got a few beeps from the Matek H743WING controller but it failed to proceed to...
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No such mode 26 (Heli_Autorotate)
Hi. Trying on the bench TradHeli v4.6.3 on a Pixracer R15 flight mode 26 (Heli_Autorotate), having H_RSC_AROT_ENBL=1 I get message No such mode 26, even with motors on (helicopter on my hand) This...
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Sudden Complete Power Loss In Flight
I was almost done with my initial tuning flights, and had been having pretty good success progressing through each tune session. Doing small ovals in PosHold mode, it abruptly lost power and fell from...
View ArticleHolybro 6c Mini for heli?
I’m looking for a new flight controller for my TRex 500 heli, and the Holybro 6c Mini is looking good, but I have a couple of questions: The spec. sheet says maximum input voltage 6v, servo rail input...
View ArticleForgotten how to set up ESC in heli
I’m installing a new FC in one of my TRex500 helis and, despite running three Ardupilot helis for a few years, can’t remember the detail of what I did before. My four servos are connected to PWM...
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Mode-transition-induced crash caused by unsafe RC3 throttle state
// I encountered this problem in an automatic task. I’m not quite sure why it’s set up this way When the Copter is in the climb phase, switching the flight mode to LOITER should make the vehicle hold...
View ArticleAdvice For Tuning Large Helicopter
I am developing a large helicopter; Electric power (9KW motor) Main Rotor: 16ft (4.9M) AVI Hardware: Orange Cube+, Here4 GPS, SF20 range finder for AGL Empty Weight: 40lbs Max Payload: 160lbs The goal...
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Custom heli (3m rotor, 25kg empty) — cornering limited to ~3m/s, plus RAT/POS...
Hi everyone, It’s been a while since I last needed community help, so first a quick project overview: I’m working on this for a company and unfortunately can’t share photos/videos, but logs and...
View ArticlePower module Matek CAN L4 BM
Do anyone can recommend good power module for HobbyWing X9Plux? I use to use Matek CAN L4 BM, but now i have some issues with them. They stop working during flight and i have message “Bad Battery”....
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RPM sensors not working
Hi! I have a Pix32 V6, a Pixhawk 6C Mini, and a Cube Orange Plus. I’ve tried to get an RPM sensor working on all three, but without success. The aircraft is a Chinook style helicopter built from two...
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Heli tail feels 'loose' but log yaw data is good
My TRex550 in a scale JetRanger fuselage feels a bit ‘loose’ in the tail. I’ve followed the Manual Tuning Instructions Yaw Axis section but am unable to understand the first paragraph about the...
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Flight controller replaced, heli flies okay, but strange RATE.R log
Yesterday I flew my TRex500 for the first time after replacing its flight controller with a Holybro Pixhawk 6C Mini. I had copied the parameters from the previous fc onto the 6C, and then configured...
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AutoTune - Suggested Tuning Sequence
I’d like to try AutoTune soon. The documentation includes a table with recommended flight settings. https://ardupilot.org/copter/docs/traditional-helicopter-autotune.html#autotune-flights I don’t...
View ArticleAutoTune unsuccessful
I tried my 1st AutoTune flight. Most of the time the log shows message “AutoTune: pilot overrides active”. I made corrections whenever the heli drifted too far away.. Was it too much ? Log file 7...
View ArticleAutoTune: Failed to level, please tune manually
I am processing the AutoTune flights according to this Table. During flight #2 I got the message mentioned in the title. What can I do ? Log file 3 posts - 2 participants Read full topic
View ArticleSetting hover collective after reducing head speed
Hi, I have modified a TREX450 running ArduCopter. I’ve been going through the setup, but before starting with AutoTune I want to get my head speed correct. I wrote a blade element momentum theory code...
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