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« Reply #25 on: April 05, 2010, 11:54:41 PM »
anwar
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If you can't find them (and none of the LHSes here responded to your availability check), get the 3 blade props from Hobbycity.  This is the route I went with.
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« Reply #26 on: April 06, 2010, 12:25:53 PM »
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A hexacopter cousin (reported by Sahil) : http://www.rcindia.org/self-designed-diy-and-college-projects/hexacopter/
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« Reply #27 on: June 01, 2010, 08:53:52 AM »
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Here is one heck of an aggressive quad !  Bow

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« Reply #28 on: June 01, 2010, 11:10:46 AM »
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Wow man thats awesome. Its a super quadrotor.
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« Reply #29 on: June 08, 2010, 04:39:16 PM »
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These guys are not resting Thumbs Up



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« Reply #30 on: July 14, 2010, 11:57:00 PM »
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Even more...

http://www.walyou.com/blog/2010/07/13/cooperative-grasping-and-transport-using-quadcopters/

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« Reply #31 on: July 16, 2010, 11:15:33 PM »
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Here is one heck of an aggressive quad !  Bow


This video was sent to me by someone. It's nice to see an Indian name featuring in the design team.

Cheers!

VC
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« Reply #32 on: July 16, 2010, 11:25:48 PM »
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It is was eye opener in terms of quad capabilities (for me). 
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« Reply #33 on: July 17, 2010, 02:43:39 PM »
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This is AWESOME!!!  Shocked Shocked ShockedSalute Salute Clap Clap Clap Bow Bow Bow Bow Bow
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« Reply #34 on: July 19, 2010, 03:31:04 AM »
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when I am sober my heli is drunk..



Hello all,

I made the first drawing, the second one is a tricopter, but uses almost the same electricals, found the second from a RC forum, it clears things out!

Regards,

Dorwin

QUADROTOR.jpg
Re: Quad ROTOR
* QUADROTOR.jpg (44.5 KB, 800x738 - viewed 1766 times.)
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« Reply #35 on: July 22, 2010, 10:24:53 PM »
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Hi, i am searching for the complete details in making a quadrotor, and have read almost many of ur comments regarding the topic, can u please suggest me which motor to be selected and i there any substitute instead of Gyro, because it will be costing more.
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« Reply #36 on: July 22, 2010, 10:29:24 PM »
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If you read the quad related threads here, you will realize that motor selection depends on the weight (which may be related to the size) of the quad you are building.  One thing to note is that a little higher KV motors with smaller props work better than the other way around, and 2 blade props are better than 3 blade props.

There are no substitutes to gyros, they are basic requirement for stability.  You can have one 3-axis gyro instead of 3 single axis ones, but cost wise they end up being similar.

I hope you have read about the mixer issues in the build thread.
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« Reply #37 on: July 23, 2010, 12:01:16 AM »
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Hello Anwar uncle why do you say so...
          "2 blade props are better than 3 blade props."
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« Reply #38 on: July 23, 2010, 10:46:46 PM »
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Many people have reported that 3 blade props cause more vibration then 2 blade ones.  Vibration tends to overload the gyros.
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« Reply #39 on: August 03, 2010, 09:35:27 PM »
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hey vc ...i want make a quadrotor ..and i have not much idea how to make can u please help me...that how much cost in dis project...
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« Reply #40 on: August 25, 2010, 11:41:21 AM »
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hi
   i wnna kno hw to make dis quad rotor...tel me d full details nd materials i need fo makin dis!!
nd temme hw much it l cost fo makin.. mail to ma id - ukvinoth@gmail.com
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« Reply #41 on: August 25, 2010, 06:02:59 PM »
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I have a few Ardu IMU Boards ( http://diydrones.com/profiles/blogs/arduimu-quadcopter ) apart  from the other stuff needed for a quad .
E mail : rcforallin@gmail.com   for details .

I don't know of other experiences but 3 blade Rotating / Counter rotating paired props have worked well on the Quad's developed by IITM , Anna University etc. They  buy these from us for use on their Quad's .
In fact the IIT M quad  that won the 2nd place at the DRDO competition last year used  2 pairs of Rotating and Counter rotating of GWS 9050


Sai
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« Reply #42 on: September 10, 2010, 11:12:36 AM »
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hello sai ,
3b gws does not give good efficiency, ant it is not recommended for quad , go for 2b  slowflyer prop for better and best performance

i know what iitm people did with the quad.. its actually MK Germany ( Giggle) its not Indian made quad , i think MIT people have did some research on quad controller , i met them at acmee 2010 international machine tools and auto components exhibition , they gave demo on their quad which was damn stable in the air ,

and Sai , the first post in this thread that you made is wrong information please remove it ,,
the mixer is available in your shop is gws mixer, which you cannot be used for it actually


i too made a quadcontorller of my own , which is very quite use full for fpv and rpv, not only quad ,tri and mulit.. right now im doing research on quad stability based on image processing 
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« Reply #43 on: September 10, 2010, 11:16:41 AM »
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Hello sai,
regarding Ardu Imu

i have one, i did with arduimu

the thing i found is
1. lil diff in tuning pid  Angry
2. pid differs with payload  Huh?
3. not good for outdoor flight Bang Head
4. very nice if you tune it for exact  pid Clap
5. every time you have to connect it to pc to change pid  Bang Head
6. serial input is needed Huh?

its not  ok for beginners and non technical people more over its open source  Angry
i did with 72 normal Rx converted in to serial .. now im gonna try with corona 2.4g 
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« Reply #44 on: September 20, 2010, 07:23:33 PM »
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Here is one heck of an aggressive quad !  Bow

Here is all another dimension !

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« Reply #45 on: September 22, 2010, 09:25:29 PM »
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Hey anwar, Hi. I'm a final year student in electronics. We are planning to go for a UAV as major project. But none of us in the group have any good idea about the technology. yeah though i started to search on it and came across this here. Can you please help me on the same topic that how can we implement one of our's. All sort of basics on UAV's basically the idea with me is to have 4 rotors with all types of move. Please mail me on rathore.vineet14@gmail.com ..
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« Reply #46 on: September 22, 2010, 09:35:28 PM »
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Vineet - Welcome to RC India Smiley

You will see many quad rotor discussions here.  There are people here who have done it, and provide professional help.  Like these :

http://www.rcindia.org/self-designed-diy-and-college-projects/quadrotor-rtf-sale/
http://www.rcindia.org/self-designed-diy-and-college-projects/quad-rotor-2904/ 

I would suggest that you spend some time using the SEARCH feature of RC India, and then contact one of the resources such as the one I mentioned.
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« Reply #47 on: November 07, 2010, 07:01:07 PM »
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all,

i started a thread in the forum called quad rotor.. in that many asked me for the video .. just before i made a setup for a student with my controller .. pls comment on my video ..  first flight of my controller with out any tuning .. she will be rock solid in the air with fine tuning ..

happy diwali


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« Reply #48 on: November 07, 2010, 07:10:36 PM »
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Awesome!!
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« Reply #49 on: November 26, 2010, 05:04:01 PM »
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I am an engg. student from Andhra pradesh. I want to make a remote controlled "Quadrotor" model for a project. can anybody tell me the basic requirements and the cost i must invest to complete the project.

Also please suggest a hobby shop in Andhra pradesh to buy the stuff.
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