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« Reply #25 on: June 28, 2012, 04:55:20 PM »
dreamfly
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I think what you should do is try with the default settings and then work your way up/down. 
you say your quad is uncontrollable on the roll axix.  What does your GCS show on graph regarding the roll.  Are they showing crazy readings.  May be your roll axis gyro is the culprit. Maybe.   
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« Reply #26 on: June 28, 2012, 07:10:45 PM »
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Thanks dreamfly. I tried fiddling with the PID values for the roll axis. I started with P at a MIN vlaue and started working my way upwards (I heard P "fights motion"). No luck yet. And, I always used to fly with the ACC switched off (stable mode disabled). I figured that out only recently and enabled the safe mode. It flies the same way: uncontrollable and sluggish...
Thanks,
Vineet
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« Reply #27 on: June 28, 2012, 07:15:45 PM »
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do you have inner loop and outer loop in your config settings?
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« Reply #28 on: June 28, 2012, 07:20:11 PM »
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normally you have to give both the picth and roll almost the same valuse.  If not then I believe that you have a faulty roll gyro.  I am telling this with the experience I had on my flight controller.
Does the GCS show proper reaction to your movements?  Why done you post a video.  it might be better to understand your problems
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« Reply #29 on: June 28, 2012, 08:04:02 PM »
Dharmik
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@dramfly
Sir all i did is took the shaft, rolled it on flate surface to check from where it got bent. Took hammer
One gentle hit
Inspection
Gentle hit again
Inspection
It took two days to get them fixed.
@to all members
I found more newbie guides. More and more people sharing their experience. Please check
http://polakiumengineering.org/?p=1520
http://www.rcgroups.com/forums/showthread.php?t=1679976
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« Reply #30 on: June 28, 2012, 08:27:05 PM »
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Dharmik, So you are now flying the quad without any vibes?
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« Reply #31 on: June 28, 2012, 08:45:56 PM »
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Yeah sir i don't see any effect of damaged motors. I have balanced props again and it flies great. I will get it on video soon.
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« Reply #32 on: June 29, 2012, 03:15:27 PM »
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@dreamfly: Thank you. I believe the gyros are OK, for the movement of the quad is perfectly reflected in the GUI. I'll surely post a video when I'm done. Smiley

Vineet
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« Reply #33 on: June 29, 2012, 03:24:13 PM »
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That will be great Vineet.  btw do you know where the other members post their videos of them flying.  I don't know how to find them
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« Reply #34 on: June 30, 2012, 01:11:20 PM »
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do you know where the other members post their videos of them flying.  I don't know how to find them
I'm afraid I didn't understand that. But most of them must be posting videos in their build-logs itself. Like:
http://www.rcindia.org/multirotors/help-with-my-quad/msg98730/#msg98730

Thanks,
Vineet
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« Reply #35 on: June 30, 2012, 09:49:39 PM »
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Yes that's exactly what I needed to view the other members flying videos and builds.  Anyway we seem to have a small community in the multirotor category but growing for sure!
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« Reply #36 on: June 30, 2012, 09:56:42 PM »
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FLY HIGH...!!!



Guys where is the TUTORIAL?
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« Reply #37 on: June 30, 2012, 10:00:31 PM »
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Krish bro it's on 1st post. I am composing 2nd part. Hope you would like it.
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« Reply #38 on: June 30, 2012, 10:05:37 PM »
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@dreamfly
Sir any plan to build one more quad? Have you seen juz's videos? He is also using openpilot fc with ht fpv frame.
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« Reply #39 on: July 05, 2012, 09:05:21 AM »
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@Dharmik
I have a centerplate for a Tri and all the Aluminium tubes but not really finding the time to put them together.  I have to really manage my time and see if I can get one up in the air soon.  Too many activities happening these days and not really finding the time to fly.
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« Reply #40 on: July 05, 2012, 09:13:11 AM »
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Oh yes, juz, Enthlapy, and a few others are realy good flyers. and not fogetting "Worthox" He is just a guru at flying Quads
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« Reply #41 on: July 05, 2012, 03:06:04 PM »
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Yes, I love warthox's videos, too. I follow his vimeo channel regularly. His "1.2KW MWC Quad" is a must watch.

Vineet
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« Reply #42 on: July 05, 2012, 03:08:34 PM »
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hey Vineet.  How's your troubleshooting coming up with your quad?
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« Reply #43 on: July 05, 2012, 03:16:04 PM »
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Thanks,
Right now I'm building a lighter and more symmetric frame. My frame weighs 300g+ and is way out of symmetry. I think that should be causing the automatic drift and other problems. Smiley

Vineet
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« Reply #44 on: July 05, 2012, 03:53:37 PM »
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oh yes. That's very important I think but on the other had when I look at some of the other quads with their symmetry seriously in question, I really begin to wonder how these quads really work Wink
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« Reply #45 on: July 05, 2012, 04:19:11 PM »
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What do you recommend as a central 'plate'? I used aluminium, but now I am building it with something similar to fiberglass. (the translucent examination pads).
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« Reply #46 on: July 05, 2012, 05:25:29 PM »
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Actually you can use anything that is regid to hold the frames in place without bending.  I use 3mm plywood but need to look at something better.  How's the fibreglass material to work with?  Plywood is quite easy to cut.  I used the services of a laser cutter.
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« Reply #47 on: July 05, 2012, 05:38:14 PM »
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here is the video of my Quad. My controller is very similar to Cirius Multi Wii but with more features like, Built in USB, and FETs put on free pins of the Atmel 328 and brought out to pins for LEDs relays etc.,  Built in Battery monitor and Buzzer etc.
I was trying the Altitude hold in front of my house.
At 1.24, 1.38,2.34,3.54,4.22,5.37 u can see me holding the Xmitter free. I was shooting with my crude capcam


P7125423.jpg
Re: TUTORIAL - How to build Multirotor from scratch
* P7125423.jpg (103.51 KB, 800x600 - viewed 1218 times.)
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« Reply #48 on: July 05, 2012, 06:22:09 PM »
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Mr. Ashta,  This definately calls for a get-to-gather with you at try out your board.  I cannot view your video since I am at work and youtube is blocked.  Will view it this evening at home, But so far I am completely overwhelmed by your dedication to your hobby.  Anytime you are free, I would like to come and do some flying with you Sir! 
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« Reply #49 on: July 06, 2012, 11:06:17 AM »
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thank you and welcome Dreamfly. I live in BTM lay out. Where do you live? u can come home any day. you can call me at 9448073127.
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