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Johannes Huss
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Johannes Huss's Discussions
Weird behaviour in flight modes with speed control
Started May 27, 2012 0 Replies 0 Likes
Hi guys,first of all, many thanks to all contributors to this nice project. I'm really enjoying it!The problem is the following: When switching to modes which include automated control of speed…Continue
HELP! - Crash report with log and video
Started this discussion. Last reply by Martint BuildYourOwnDrone.co.uk Nov 10, 2011. 29 Replies 0 Likes
Hi guys,I really enjoy hiking, but I do not when my little copter is hiding somewhere out there... in pieces. After many successful flights today I ended up picking up smashed parts again.Now I need…Continue
Is my hexa too fat?
Started this discussion. Last reply by Johannes Huss Nov 3, 2011. 16 Replies 0 Likes
Hi guys,after my quad played Titanic last sunday, I was able…Continue
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Johannes Huss posted a discussionWeird behaviour in flight modes with speed control
Hi guys,first of all, many thanks to all contributors to this nice project. I'm really enjoying it!The problem is the following: When switching to modes which include automated control of speed (FBW-B, Loiter, RTL), the plane dives down heavily and motor speeds up to full speed (also when i set throttle to < 50% on sender). Other modes like Stabilize and FBW-A are working very well. I'm using an airspeed sensor which seems to show reasonable measurements. Cruise speed is set to 16 m/s, which…See More
DistributorMartint BuildYourOwnDrone.co.uk replied to Johannes Huss's discussion HELP! - Crash report with log and video
"Hello Johannes,
I saw the images / video you posted, wow that looked like it had the motor ripped from the arm, as a thought if mounting directly to the arm and not the plastic mount it might be an idea to trim down one of the x motor mounts…"
Johannes Huss replied to Aaron's discussion 3DR Dimensions"Maybe I am blind, but can someone please tell me the material thickness of the aluminium arms used in the 3DR frame? I can't find it in the dimensions PDF. Also confused a bit about non-european measurement. :)
Sorry for possibly asking…"
steve F11music.com replied to Johannes Huss's discussion HELP! - Crash report with log and video"I also had one of these first frame models and they are definitely too weak. Even if you don't crash, they eventually either crash because of a weakening plastic screw that is not noticed in time or start to fall apart from hard landings. The…"
steve F11music.com replied to Johannes Huss's discussion HELP! - Crash report with log and video"Me too :) We should have more and better options for props. I've spent $100s in replacement parts costs because of props breaking and now seeing their rpm limit, I see they are minimal for what we should be using."
Johannes Huss replied to Johannes Huss's discussion HELP! - Crash report with log and video"IMHO the arms provided by official ArduCopter kit are a bit too fragile. After dismantling the whole copter I saw that the arms have some dents and bending from some other light crashes before and from tightening screws too strong. I don't…"
Johannes Huss replied to Johannes Huss's discussion HELP! - Crash report with log and video"I'm sorry for you, Volker. Hope that damage isn't that huge?
t's all about experience. Accidents like this tend to happen only once. But the problem is that getting that experience can be very costly. ;-)"
Johannes Huss replied to Johannes Huss's discussion HELP! - Crash report with log and video"I'm looking forward to see your experiences with that props!"
Volker Schirra replied to Johannes Huss's discussion HELP! - Crash report with log and video"Have a look to this picture:
http://diydrones.ning.com/forum/attachment/download?id=705844%3AUploadedFile%3A691141
It was taken after a "kissing" a tree. Incredible, but the quad was flying (and save landing) with the damaged…"
steve F11music.com replied to Johannes Huss's discussion HELP! - Crash report with log and video"Yes lets. It's a shame to have such a critical part be a weak link in the system.
The best I found so far are…"
Johannes Huss replied to Johannes Huss's discussion HELP! - Crash report with log and video"I'm also highly interested in some really solid props. Maybe we should open another thread for that."
Johannes Huss replied to Johannes Huss's discussion HELP! - Crash report with log and video"Here's another shot of the arm which I suspect to be the reason for the crash. Do you see those marks? I'm sure they are by a freely spinning motor and prop. It rotates clockwise on this arm so everything makes sense.
"
Tomas Soedergren replied to Johannes Huss's discussion HELP! - Crash report with log and video"Really seems like metal fatigue to me.
Interesting observations regarding prop types and speeds. I think the electric thin types might be good, but might be difficult to find matching push & pull props.
I share your loss Johannes. Really.…"
steve F11music.com replied to Johannes Huss's discussion HELP! - Crash report with log and video"I think it's a bad idea to mount with the acrylic supports also. They also eventually crack or the screws break. I switched to the 3dr frame and it's much better. They mount directly but use thicker aluminum.
And I've had my share of…"
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