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moglos's Groups

moglos's Discussions

Cable Cam effect with APM (or manual yaw control during Auto mission)

Started this discussion. Last reply by Randy Feb 22. 5 Replies

I'd like to achieve the Solo Cable Cam effect with my 3DR Y6 running APM2.6.I'd like to fly backwards beside a road and yaw the copter to film a car as it approaches and passes me. It's all quite low…Continue

Anatomy of a 200km ...crash

Started this discussion. Last reply by moglos Mar 26, 2014. 41 Replies

I've got a Cyclops EPO that I'm setting up with a view to attempting a 200km flight (lovely plane, I'm sure it's capable of it), but I've crashed it twice out of three outings, and I've got no idea…Continue

Tags: A, FBW, crash, km, 200

Flip, Crash on Maiden

Started this discussion. Last reply by moglos Nov 16, 2013. 10 Replies

Hi, I've just maidened my 3DR Y6 into the ground, and I'm not sure why. (This is my first multirotor, I've flown a trad heli and fixed wing up until now.)I got it light on the skids for a moment then…Continue

Airspeed varies by up to 50km/hr

Started this discussion. Last reply by moglos Sep 5, 2013. 1 Reply

Hi, I've just had a flight where my airspeed was way out, it was as much as 15m/s or 50km/hr less than the groundspeed on a very calm day.Can anyone help me work out if it is a leak, a sensor error,…Continue

 

moglos's Page

Latest Activity

Patrick Andresen replied to moglos's discussion Cruise airspeed and actual airspeed
"It seems like you guys know airspeed control rather well. My goal is to hold a constant airspeed and currently it fluctuates about 0.2 m/s for every 10m/s of airspeed. How can I get arduplane to more accurately and concisely hold an airspeed?"
Aug 22

300km
moglos replied to moglos's discussion 7.4V servo power in the group PIXHAWK
"Thanks, I'm pleased it's that simple. (It's a pity the setup details don't spell it out. I'd spent hours researching it before writing this post)"
Jun 6
iskess replied to moglos's discussion 7.4V servo power in the group PIXHAWK
"Just plug in the high voltage right into the servo rail. However you will lose the feature of a redundant power source for the Pixhawk if the power module somehow were to fail."
Jun 5

300km
moglos added a discussion to the group PIXHAWK
Thumbnail

7.4V servo power

Hi, I'm a bit confused by the options to run servos at 7.4V on a Pixhawk.This warning appears on the page …See More
Jun 5

300km
moglos replied to Oleksii Svyryd's discussion Mapping plane frame
"I see a couple of very simple solutions put forward including wrostek's under wing, or Cala's option sticking out of the side of the fuse.  I have an underwing mount with a homemade servo gimbal to stabilize roll, it has a range of…"
May 6

300km
moglos replied to Oleksii Svyryd's discussion Mapping plane frame
"You're right, that position offers no protection. When the camera is worth 5 times more than the airframe it would be worth finding a position that offered some protection."
Apr 27

300km
moglos replied to Oleksii Svyryd's discussion Mapping plane frame
"The widest point of the cut out (the plywood framing) is 115mm. The internal space in the nose is about 100mm wide. (A NEX5 is 110mm wide) I've just noticed the removable fueslage side doors under the wing. That would allow a camera to fit in…"
Apr 27

300km
moglos replied to Oleksii Svyryd's discussion Mapping plane frame
"Try http://www.fpvmodel.com/new-2015-skywalker-1830-1830mm-fpv-plane_g960.html I'm setting up a New 2015 Skywalker 1830mm (as above) for mapping and was planning on having a  servo roll only gimbal mounted instead…"
Apr 26
Anson Li left a comment for moglos
"Hello!I'd like to use APM to plan out a flight as well. Would you mind sharing your radio setup?I'm using the 9XR with a Frsky XJT module. Will that work with APM 2.6, without any additional telemetry radios like the Sik or 3DR radios that…"
Apr 11

Developer
Randy replied to moglos's discussion Cable Cam effect with APM (or manual yaw control during Auto mission)
"moglos, You should be able to change the vehicle's yaw at any point during the mission with the transmiter's yaw stick.  You may find that with Copter-3.2.1 that it retakes control of yaw after it passes a waypoint so you may need to…"
Feb 22

300km
moglos replied to moglos's discussion Cable Cam effect with APM (or manual yaw control during Auto mission)
"I've finally done a test flight but the copter just points the same way the whole flight. I guess it was the same direction as it was facing when I switched into Auto mode. Looking at the paramater description it says for WP_YAW_BEHAVIOR…"
Feb 22

300km
moglos replied to Ron Irby's discussion error message writing waypoints
"I'm having a similar problem (APM2.6). I can write waypoints fine from my desktop computer and my old laptop, but a new laptop I bought just won't do it. I can connect, see live telemetry data, read WPs, just not write them to the APM. "
Dec 6, 2015
Doug McMorris replied to moglos's discussion Cable Cam effect with APM (or manual yaw control during Auto mission)
"You are correct... the docs don't really reference how to do this, but its not that hard. If you set WP_YAW_BEHAVIOR to 0 then APM will not adjust yaw at all based on waypoints.  I haven't tried it in conjunction with ROI or setting…"
Nov 18, 2015

Developer
Randy replied to moglos's discussion Cable Cam effect with APM (or manual yaw control during Auto mission)
"Yaw commands should still be obeyed even in Auto mode.  That ability was left in 'cuz some of the beta testers (Marco in particular) wanted to be able to point the nose of the vehicle (and the camera) during an Auto mission.  So I…"
Nov 17, 2015
Doug McMorris replied to moglos's discussion Cable Cam effect with APM (or manual yaw control during Auto mission)
"I'd like to do this as well... based on what I've seen online and in discussions, I think this is disabled per the referenced github issue, but maybe used to be enabled. I'm a software developer and tempted to try and figure out how…"
Nov 17, 2015

300km
moglos posted a discussion

Cable Cam effect with APM (or manual yaw control during Auto mission)

I'd like to achieve the Solo Cable Cam effect with my 3DR Y6 running APM2.6.I'd like to fly backwards beside a road and yaw the copter to film a car as it approaches and passes me. It's all quite low speed,  the movement is just for effect rather than staying with the car.My idea is to fly an auto WP segment with Condition-Yaw to make it set off backwards, then use the yaw stick to keep it facing the car as it approaches and passes by. The auto WP segment means I don't need to worry about…See More
Nov 16, 2015

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Heli and fixed wing

Moglos's Blog

Be careful with LiPos

Posted on March 30, 2015 at 3:24am 16 Comments

This fire in my home town is suspected to have been started by a LiPo. (Though that hasn't yet been confirmed by the fire investigation authorities.)

"A neighbour, who didn’t want to be named, says Les is a member of the Nelson Model Aero Club."

Thankfully the occupants are both…

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Anatomy of a 301 km Flight

Posted on May 1, 2014 at 6:30am 63 Comments



Today I flew my Cyclops EPO for an incredible 7 hours and 8 minutes, covering 301 km (301 km !!!) in one flight.



After flying my…

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Anatomy of a 126 km Flight

Posted on January 28, 2014 at 3:30am 50 Comments

Last month I detailed my plans and preparation for an attempt at a 100km flight in a blog here.

Well yesterday the weather was ideal and my preparations (nearly) complete so I went for it and achieved a flight distance of 126km in a time of 2 hr 46 min 40 sec.



I can't attach my log file here because it's too big. It's 15MB and there's a 7MB limit. Any ideas how I…

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Whale Rescue

Posted on January 20, 2014 at 4:24am 4 Comments

On the weekend I flew in support of a whale rescue at Farewell Spit in Golden Bay, New Zealand at the invitation of Project Jonah, a whale rescue NGO

https://www.facebook.com/projectjonah

About 60 pilot whales had stranded over night high up the beach. About 10 died…

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Comment Wall (6 comments)

At 7:39pm on April 23, 2013, Franco Marinelli said…

hi moglos, sorry but I dont have it! 

At 10:45am on July 1, 2013, John Rankin said…

Hi Franco,

I have not been on the site for a while as all of our work is commercial but I do follow what everybody is doing on a regular basis.  Great job everyone you are doing amazing things with the tools that you have.  Although I am the owner of the company I am not the only one in control and the talk in the office is to stop discussing the work we are doing.  There is a lot of competition in this field which we believe is going to expand rapidly in the next few years and we don't want to sell the farm.  To others that have inquired about the software we are using, it is a beta software that is not yet released.  It is not owned by my company; we are simply the beta testers and to my knowledge the only users in North America.  As for the Maja I think I can give you some advice on the airframe.  It is a plane with excellent performance as a UAV platform in most conditions.  It is very stable and flies beautiful straight, flat lines collecting very usable photography. The Maja does have a terrible tendency to stall when banking with a tail wind above 20 kph .  The minimum throttle must be set high to avoid this problem; we keep ours at 50%.  Another problem with the plane is its fragility.  Landing in tall grass or brush can damage the soft foam by cutting into it.  We wish it were made of EPO (Bormatec please listen to us!).  The elevator, rudder, and ailerons are particularly sensitive to the grass shredding them. We have adjusted to this by adding carbon fiber to those surfaces and have since reduced the problem although those surfaces still tend to tear from the frame at the hinge.  Add some Beacon's Foam Tac glue (the best glue we have found on foam planes, bar none) at the hinge and it reduces the issue.  Any hard landing with either the tail or nose first will invariably result in damage.  In our testing we have literally broken three Maja completely in half and one into three pieces.  We have modified the plane by cutting the bottom of the plane in half (with a hot wire) and inserting two carbon fiber rods the full length of the plane on the left and right and then gluing (with Beacon's Foam Tac) the two pieces back together.  Hard landings are no longer an issue and we have not had a problem since, even if we smash into the ground.  The motor mount on the back is also an issue.  We have had the entire motor mount rudder assembly rip off twice while in flight probably due to our high AUW of 3.5 kg.  To fix the mount we cut the mount in half and insert two carbon fiber rods on the left and right, glue it back together and then mount the motor plate with two large nylon bolts directly into the carbon fiber rods.  For extra security we then use 1/2" Velcro straps to hold the entire rudder assembly to the body.  Those white plastic pins often break and are not sturdy enough for our uses.  As for the settings we started with the Conservation Drone's

http://conservationdrones.org/

settings and then did a few modifications as needed.  If you are going to fly with a high AUW ensure that you have a powerful enough motor, esc, prop combo and complete all the re-enforcements of the body or you will be in trouble.  The plane ALWAYS dips precariously close to the ground on launch so you will need a very high launch area.  We hand launch from a pad on top of our field truck and skim the ground on every take off.  I hope this information helps anyone out there and if you have any other questions please feel free to ask. 

John

At 12:46pm on January 5, 2014, Vince Lang said…

Dear Moglos, 

I've just read Your 100km attempt. I was impressed by the research You did on motor prop confogs. My Maja is on the way from Germany, but I have not yet ordered any electric parts. Im not willing to attempt anything like You, just want to set up a system for FPV maybe later add a PS camera on the plane. Could You give me a good starting point for motor/prop setup: I would appreciate any help.

Thanks

-vince

At 12:15am on January 6, 2014, Vince Lang said…

Hi Moglos,

thanks for the fast reply, I was thinking about that motor too, good to know I wasn't that off with my concept. Im sending some good weather from Europe for your attempt, keep us posted :) Good luck! 

At 3:51pm on July 16, 2014, Al Creigh said…

Hey moglos my email is al.creigh@yahoo.com could you send me your config file for your cyclops?

Also I was wondering if you knew anything about the cyclops C?

At 8:34am on April 11, 2016, Anson Li said…

Hello!
I'd like to use APM to plan out a flight as well.

Would you mind sharing your radio setup?
I'm using the 9XR with a Frsky XJT module. Will that work with APM 2.6, without any additional telemetry radios like the Sik or 3DR radios that connect to computer?

Thanks a lot!

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