Marthinus
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Advise and help needed. Quadplane accident.

Started this discussion. Last reply by Darrell Burkey Apr 30, 2018. 16 Replies

Hi, I am reasonably new at this and had a mishap with my quad plane yesterday. I am not at…Continue

 

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Darrell Burkey replied to Marthinus's discussion Advise and help needed. Quadplane accident.
"I've built a couple of quadplanes now and the issue of current draw during transition to forward flight seems to be an issue that requires careful planning. In one of my builds I went as far as separating the vertical lift motors off to their…"
Apr 30, 2018
Luc Maximilien replied to Marthinus's discussion Advise and help needed. Quadplane accident.
"Nice job for motors mounting, well done ! During QLoiter hover, your motors required 33,4 A , 728 Watts , when taking altitude in QLoiter 39 A , 833 Watts.The plane motor with that propeller should use just 6,2 A to fly at 67 km/h - 18,1 m/s So…"
Apr 29, 2018
Marthinus replied to Marthinus's discussion Advise and help needed. Quadplane accident.
"1mm Carbon sheet machined and the bottom side sanded to be course. The wing area also sanded level and straight. Glued with epoxy resin. Machined 16mm clamps from alu and a m3 threaded strip from steel. The steel strip was glued to the bottom of…"
Apr 28, 2018
Marthinus replied to Marthinus's discussion Advise and help needed. Quadplane accident.
"AUW = 5200g Will send some picture of mounts later. Have a good day!"
Apr 27, 2018
Luc Maximilien replied to Marthinus's discussion Advise and help needed. Quadplane accident.
"Glad you did it ! What is your AUW ?  4300 grams ? I'm curious about how you attach the carbon tube with  motors , can you show a photo ?"
Apr 27, 2018
Marthinus replied to Marthinus's discussion Advise and help needed. Quadplane accident.
"Dear Luc, Thank you for all the help. I install 2.0.25 for MAC and it works perfect. I appreciate your help."
Apr 26, 2018
Luc Maximilien replied to Marthinus's discussion Advise and help needed. Quadplane accident.
"I use the 2.0.25  version of Apm Planner 2 on Linux Mint  and Windows 7 64 . The the 32 bit version for Windows is not the latest and have some bugs."
Apr 26, 2018
Marthinus replied to Marthinus's discussion Advise and help needed. Quadplane accident.
"Dear Luc, I downloaded AP 2 and installed but receive the following error when I try to load the .bin file."
Apr 26, 2018
Luc Maximilien replied to Marthinus's discussion Advise and help needed. Quadplane accident.
"The graph was made with  Apm Planner 2"
Apr 26, 2018
Marthinus replied to Marthinus's discussion Advise and help needed. Quadplane accident.
"Dear Luc, Thank you for this information. I will download the log files from the ESC's and look what they did. What app/software did you use to create this graph?"
Apr 25, 2018
Luc Maximilien replied to Marthinus's discussion Advise and help needed. Quadplane accident.
Apr 25, 2018
Luc Maximilien replied to Marthinus's discussion Advise and help needed. Quadplane accident.
"When you have switched to FBWA your battery was quite low just 3,4 volts per cell, than it drops to 17,4 Volts with 59A , so 2,9 volts per cell , a condition where Lipo batteries get damaged. Then your Ampères went gradually, 4 seconds…"
Apr 25, 2018
Marthinus replied to Marthinus's discussion Advise and help needed. Quadplane accident.
"Dear Daniel, Thank you for your response. I have checked the param file (It is also uploaded) and the avoid function is off and was not activated."
Apr 25, 2018
Marthinus replied to Marthinus's discussion Advise and help needed. Quadplane accident.
"Dear Tom, Appologies, I was not aware of that."
Apr 25, 2018
Daniel Perez replied to Marthinus's discussion Advise and help needed. Quadplane accident.
"Hello Marthinus, it seems like the avoid_adsb kicked in, see the image below, so I think the AVD_F_ACTION was to descend. so it went down.  also it says in the documentation: "The avoidance features are new features still under…"
Apr 24, 2018

Developer
Tom Pittenger replied to Marthinus's discussion Advise and help needed. Quadplane accident.
"ArduPilot support has moved to discuss.ardupilot.org"
Apr 24, 2018

Profile Information

About Me:
Self Employed, RC Enthausiast, Father and Husband.
Please tell us a bit about your UAV interest
Long term goal to built a UAV with long endurance that does not need a runway or highly skilled pilot. (Quadplane with gas motor for forward propulsion.
Hometown:
Pretoria

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