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« on: December 30, 2012, 03:01:22 PM »
arun.sreelakam
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SO its time to upload my dream build now... started my rc hobby just few months before but.. more than anything ornithopters are my favorate and i didnt go for buying one.. instead i decided to make one.. gone through all the website as possible.. didnt find any build log.. Sad Sad
finaly decided to build my own so that i can make a build log later.. Grin
selected kinkade's slowhawk as my model and started to download as many pictures of that.. using my ideas and  stuffs available locally and started my build few monts back.. Tongue
the main problem was the gear assembly.. Bang Head Bang Head and searching for proper gears.. i dont want to spent more by getting gears online..
got some help from kazuhiko Kakuta(rcgroups) and models previously submitted in RCIndia as well.. Bow
now the wing action is almost good in my calculation getting enough trust..
see my video of wings test... and please give your valuable suggestions...
 Drool Drool

http://www.youtube.com/watch?v=JGTNA9Vc5r4&feature=youtu.be
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« Reply #1 on: December 30, 2012, 04:03:47 PM »
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Wow! It looks great!  Bow

Waiting for more information about the built!  Drool
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« Reply #2 on: December 30, 2012, 04:56:06 PM »
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Subscribed, and waiting for the build log to come........please make it as detailed as possible

and congrsts for the achievement
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« Reply #3 on: December 30, 2012, 05:06:01 PM »
arun.sreelakam
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thanks jaspreet and bilal...
yeah will make it more clear to understand.. will post the log after the maiden.. Smiley
anyway the tailpart assembly will finish in a day.. after that will upload the pics...  Smiley Smiley
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« Reply #4 on: December 30, 2012, 05:52:23 PM »
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Fantabulous video there..!! Wingspan is also great...Desperately waiting for the maiden video Arun...

Then You will have to help me build mine..!
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« Reply #5 on: December 30, 2012, 06:35:38 PM »
arun.sreelakam
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thanks adi.... and will upload the complete build log later... Smiley  Thumbs Up
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« Reply #6 on: December 30, 2012, 06:38:08 PM »
arun.sreelakam
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here is a pic of the orni..  Smiley Smiley

 
DSC_4606.jpg
Re: Rc Ornithopter homemade
* DSC_4606.jpg (46.77 KB, 800x534 - viewed 8957 times.)
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« Reply #7 on: December 30, 2012, 06:39:35 PM »
Bilal
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Not only you Adi, but everyone...

I believe most of the folks here are waiting for a successful ornithopter build, and I can sure see one comin' Wink
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« Reply #8 on: December 30, 2012, 06:47:03 PM »
Bilal
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By the way, Arun Sir.....what is the wingspan, and how many channels this thing uses?
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« Reply #9 on: December 30, 2012, 06:56:57 PM »
Adiboy
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Quote from: Bilal on December 30, 2012, 06:39:35 PM
Not only you Adi, but everyone...

I believe most of the folks here are waiting for a successful ornithopter build, and I can sure see one comin' Wink

Very true Bilal Sir..!
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« Reply #10 on: December 30, 2012, 07:05:36 PM »
arun.sreelakam
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bilal bhai... it is 3 channel... Smiley
throttle, rudder, elevator
wingspan is 50"
usnig a 3000kv outrunner with 2s lipo
2 metal gear servos for tail control..
and gear assembly i dont know how to explain it.
my aim was to get almost 5 flaps/sec
tried a lot of combination, and finally i think i am getting it right now... Smiley
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« Reply #11 on: December 30, 2012, 07:20:16 PM »
arun.sreelakam
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here is the finished ornithopter picture with tail.. will upload tail movement testing video tomorrow...
tail is a bit heavy and planning to change it... this is temporary right now... SmileySmileySmiley
DSC_4617.jpg
Re: Rc Ornithopter homemade
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« Reply #12 on: December 30, 2012, 07:22:32 PM »
sanjayrai55
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Looks most interesting Arun! Waiting for the video. All the very best
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« Reply #13 on: December 30, 2012, 07:23:19 PM »
arun.sreelakam
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rudder and elevator..  Giggle Giggle
DSC_4619.jpg
Re: Rc Ornithopter homemade
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« Reply #14 on: December 30, 2012, 07:24:13 PM »
arun.sreelakam
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thanks sanjay sir.. Smiley
need all your help to make it fly...
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« Reply #15 on: December 30, 2012, 09:19:21 PM »
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Fantastico!!! Eagerly waiting to watch the bird in action ;-)
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« Reply #16 on: December 31, 2012, 08:46:16 AM »
satz flying
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nice bird!!
what is the center plate materiel?
How you shaped like a bird?
can you upload the plan?
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« Reply #17 on: December 31, 2012, 09:47:35 AM »
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Super arun... Clap
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« Reply #18 on: December 31, 2012, 09:48:11 AM »
arun.sreelakam
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the center plate is frp sheet 1.5mm
everything is homemade and using handtools.. knife, hacksaw etc..
i dont have any plan.. simply free hand sketched and cut it out...
will try to upload a plan soon...
thanks
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« Reply #19 on: December 31, 2012, 09:49:15 AM »
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 Smiley Smiley
thanks santhosh..  Thumbs Up Thumbs Up
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« Reply #20 on: December 31, 2012, 10:34:38 AM »
arun.sreelakam
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made some modifications to the tail control now its  really smooth.. and the weight reduced a bit...  Smiley Smiley
DSC_4624.jpg
Re: Rc Ornithopter homemade
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« Reply #21 on: December 31, 2012, 03:25:15 PM »
arun.sreelakam
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friends increased the tail area,  using wing material.. which decrease the weight of tail to half almost..  Thumbs Up Thumbs Up
watch the video of my complete orni... need to do thrust tests before maiden.. dont know how..  Head Scratching Head Scratching
help me with your suggestions friends..  Clap Clap

http://www.youtube.com/watch?v=a1Up25R6YQw&feature=youtu.be
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« Reply #22 on: December 31, 2012, 03:26:10 PM »
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Nice model crafted, Arun.

This might be useful.....

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« Reply #23 on: December 31, 2012, 03:32:22 PM »
arun.sreelakam
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Quote from: rastsaurabh on December 31, 2012, 03:26:10 PM
Nice model crafted, Arun.

This might be useful.....



wow that  was really helpfull rastsaurabh.. thanks for the vid... Smiley
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« Reply #24 on: December 31, 2012, 04:01:47 PM »
sundaram
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Nicely Made. It is seems to work perfectly. By the rate of flapping as seen in the video i don't think you need to do a thrust test it seems to have sufficient thrust. it will take to air at ease.

Please take care for the CG. It apparently seems behind than where required. The Lipo which is now located where CG is desired can be move ahead in my opinion.

Fabulous fabrication and crafting. Nicely done waiting for the video.  Clap Clap Clap
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