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Old Jul 23, 2014, 02:13 AM
Jill Liu
Joined Jun 2011
53 Posts
Discussion
New UAV Zeta FX-81 Skylark 2000mm wingspan RC aircraft

New UAV Zeta FX-81 Skylark 2000mm wingspan RC aircraft

Coming soon...

Video:

[ZETA SCIENCE]SKYLARK UAV vertical landing preview (0 min 30 sec)




[B]Pictures:[/B







Painting:



This new guy of Zeta Science, it will come soon...

The wingspan is 2000mm, length is 1450mm and the flying weight is about 2900g.

Now we need to do something to improve it. Could please give us some ideas and suggestions on how land it and the paintings... If it will be of helps to us you will have the chance to test this plane.
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Last edited by Jill Liu; Jul 23, 2014 at 02:22 AM. Reason: make it batter
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Old Jul 23, 2014, 08:47 AM
USA: LakeGeorge, New York
USA
Joined May 2010
4,465 Posts
(the Isrealis are using this plane all over Gaza)

Put a plasic/slippery coating underneath the main pod
to protect it. Thats' the 1st thing to break!.....

....and send one
to Chanyote66, best FPVProduct reviewer in the Western Hemisphere
http://www.rcgroups.com/forums/member.php?u=390939
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Old Jul 23, 2014, 10:38 AM
Registered User
Joined Jul 2012
31 Posts
It will be great if it can perform deep stall landing. A purpose build mounting for a downward facing camera in the pod will make it as a very capable long range mapping drone. Using 6S low C battery, low kv motor and high pitch propeller may become a good candidate to challenge 200 km.
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Old Jul 23, 2014, 11:42 AM
USA: LakeGeorge, New York
USA
Joined May 2010
4,465 Posts
^
true to all your points, and especially use a "folding prop"
when gliding..
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Old Jul 23, 2014, 02:32 PM
KD0ZET
Sheldon 78's Avatar
United States, CO, Divide
Joined Dec 2008
104 Posts
What keeps it from getting torn up when landing. Here In Colorado that thing would take a beating!
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Old Jul 23, 2014, 03:04 PM
USA: LakeGeorge, New York
USA
Joined May 2010
4,465 Posts
Jill Liu
Is www.ValueHobby.com your USA distributer?
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Old Jul 24, 2014, 06:08 AM
Jill Liu
Joined Jun 2011
53 Posts
Quote:
Originally Posted by rclab1 View Post
Jill Liu
Is www.ValueHobby.com your USA distributer?
Yes,Value Hobby is one of our partners in the USA
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Old Jul 24, 2014, 06:37 AM
USA: LakeGeorge, New York
USA
Joined May 2010
4,465 Posts
Can you show how those 2m wings come off?
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Old Jul 24, 2014, 11:22 AM
Registered User
Canada, ON, Mississauga
Joined Apr 2006
429 Posts
Its gonna be hard to change, but what the benefit to have entire pod separate from the wing and boom. its very easy to break from the neck.

And overall this plane is hard to transport, and no specific good character to fly.
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Old Jul 24, 2014, 11:39 AM
USA: LakeGeorge, New York
USA
Joined May 2010
4,465 Posts
Quote:
Originally Posted by modelerchina View Post
Its gonna be hard to change, but what the benefit to have entire pod separate from the wing and boom. its very easy to break from the neck.

And overall this plane is hard to transport, and no specific good character to fly.
Your not the 1st to give characteristics about these kinds of planes.
No one likes these planes, its a hard one to sell because its ugly, and
from a design stand point, it looks useless
I've heard all
( I'm pretty sure a Bixler v1.1 flies better to most?)
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Old Aug 12, 2014, 02:29 AM
Jill Liu
Joined Jun 2011
53 Posts
Different people have different opinion . We believe it will be a good guy for we have received may praise from the people who have seem it (not from picture).

Zeta has finished the final test for that plane by a famous coach from a famous UAV training school. It is under trail producing now.
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Last edited by Jill Liu; Aug 12, 2014 at 03:27 AM. Reason: to make it batter
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Old Aug 12, 2014, 02:48 AM
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Daemon's Avatar
Lakewood, Colorado
Joined Aug 2002
28,379 Posts
Have you put a camera inside the nose and shot video with it yet?
Sure looks like the prop will be in view of the camera, and that's with a tri-blade.
A bigger standard 2 bladed prop would definitely be in front of the camera.
The original idea behind this shape was to put the prop *above* the pod,
out of view of the camera, but the concept seems to have been distorted
and the last two designs I've seen, put the prop too far forward to the point
that it's visible from inside the dome.

The dome will get scratched up badly. There have been several FPV and A/V aircraft
with clear plexi domes and they always get scratched up, even just landing
in tall grass.

I'm sure it flies great, and will be nice and quite compared to the average pusher,
but it's not a great FPV platform.
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Old Aug 12, 2014, 06:18 PM
Multirotors blow
georgebinns's Avatar
Peterborough, England
Joined Dec 2006
920 Posts
Quote:
Originally Posted by Daemon View Post
Have you put a camera inside the nose and shot video with it yet?
Sure looks like the prop will be in view of the camera, and that's with a tri-blade.
A bigger standard 2 bladed prop would definitely be in front of the camera.
The original idea behind this shape was to put the prop *above* the pod,
out of view of the camera, but the concept seems to have been distorted
and the last two designs I've seen, put the prop too far forward to the point
that it's visible from inside the dome.

The dome will get scratched up badly. There have been several FPV and A/V aircraft
with clear plexi domes and they always get scratched up, even just landing
in tall grass.


I'm sure it flies great, and will be nice and quite compared to the average pusher,
but it's not a great FPV platform.
I agree with Daemon on all his points.
I have been flying both the Go Discover and RVJET for the last 6 months and can confirm that the domes are too vulnerable on landing and reflections from them make recorded video useless for anything other than a record of the flight.
It also needs some sort of landing gear for day to day use, maybe some sort of plug on dolly device. Does the 'deep stall' landing technique work with a large payload?
George.
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