Views: 4049

Comment by Bernard Michaud on July 25, 2011 at 5:49pm

Wonderful achivement and convincing demonstration of human engineering.

Can we imagine a DIY version of this anyone ?

Comment by nubli hashim on July 25, 2011 at 7:12pm

I have seen somewhere a DIY version, but not this big. this is huge 2 meter span=7 ft?, and the AUW only 450 grams (1 lbs). Put APM on it it flies forever

Comment by Ben Carson on July 25, 2011 at 9:30pm
wow, he says only 16 watts for cruising flight 0__o
Comment by ionut on July 25, 2011 at 10:57pm

Impressive.And it seems it has a good autopilot

 

Comment by MarcS on July 26, 2011 at 1:37am

Hi,

they really got the hit with this bird... too sad its most likely to stay an adverisement tool :-(

@Ben: with a weight of 450g, thats over 30W/kg. There are planes flying at 10 or under.

@inout: It´s manual flight in this show, see the person with the radio next to the throw.


Moderator
Comment by Gary Mortimer on July 26, 2011 at 1:51am
Its just the coolest thing!

100KM
Comment by u4eake on July 27, 2011 at 5:28am

This bird is DIY made by a guy from the Netherlands.  I saw it fly on my first fpv meeting, 2 years ago and I was duly impressed !  Only close by it could be distinguished from a real bird.  Can you see which one is the real one ?

 

 

He also has a bald eagle :

 

 

Comment by Ritchie on July 29, 2011 at 6:16am

So apparently the DIY market are ahead in design just not grace. Frankly the fact that our manufacturing has reached this has amazed me but having it fly with such grace (unlike the DIY version) is just dumbfounding. 450g is my LiPo and APM :S not sure an autonomous DIY one will happen quite yet :D

DARPA funded hummingbird shows even more is possible

Comment by Peter on August 1, 2011 at 1:37pm

@u4eake - there is a huge difference between the Netherlands one and the TED one.  The one you showed is an insect-like flapping wing.  The TED one is very amazing.  The bird wing is creating both lift and thrust.  The inner wing is generating lift, and the outer wing is generating thrust.  I haven't seen one before this TED video.  Simply amazing.

 

Refer to a book called Fixed and Flapping Wing Aerodynamics...  You'll see how different they are.

Fixed and Flapping Wing Aerodynamics for Micro Air Vehicle Applications

Comment by John Johnson on August 1, 2011 at 2:45pm

The bird in the TED video is amazing.  I saw a documentary on the making of that bird.  At the end, they take it to the beach and fly it with real seagulls.  The real seagulls didn't seem to know that it wasn't a real bird.  They all mingled in the air together.

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