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Old Apr 17, 2012, 08:14 PM
Team Cobra!!! Ssssssss!
lmopar69's Avatar
United States, NE, Doniphan
Joined Feb 2005
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7 Foot Forward Swept Flying Wing

Here it is! Done and flown!
I didnt edit the video, take off is at 1:05. Camera sucks too. But, it is what it is.

Untitled (6 min 55 sec)
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Last edited by lmopar69; Apr 17, 2012 at 08:25 PM.
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Old Apr 17, 2012, 10:00 PM
Aut Viam Inveniam Aut Faciam
verticalspark's Avatar
United States, CO, Colorado Springs
Joined Oct 2008
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Wow! well I can say I wasnt expecting that.
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Old Apr 17, 2012, 10:38 PM
Flutter-Bys are fun
Conehead's Avatar
United States, MI, Honor
Joined Dec 2005
5,034 Posts
Schazammm!!!, Holy Batman!!!, Wow, I just got dope slapped. Amazing.

Enjoy this a lot.
Conehead
Orrin Eldred
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Old Apr 17, 2012, 10:44 PM
Team Cobra!!! Ssssssss!
lmopar69's Avatar
United States, NE, Doniphan
Joined Feb 2005
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LOL, thanks fellas. A minor thrust angle tweak and I think it will be pretty darn sweet! Right now, it flies almost as good as it looks.

Laine.
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Old Apr 18, 2012, 08:41 AM
AMA 964040
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USA, MA, Worcester
Joined Oct 2008
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Wow, that is an awesome looking wing. I notice you have four control surfaces. How are they mixed? Do you have something like crow flap mixing to slow down?
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Old Apr 18, 2012, 01:23 PM
Team Cobra!!! Ssssssss!
lmopar69's Avatar
United States, NE, Doniphan
Joined Feb 2005
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For the programming its pretty simple on my old DX7. I have 4 HS645mg servos in it. They are plugged into the following channels Aileron/Elevator/Rudder/Flaps. I then mixed aileron to rudder, aileron to flaps, then elevator to rudder, elevator to flaps. I then set the flap and rudder throws to zero. With this setup, pull "up" all 4 elevons move up, push "down", all move down. Turn "right" both left side elevons go down and right side go up and vice versa for "left turn". Simple.

I need 4 more mixes to set up "Crow". But, I just dont have enough on the DX7.

Laine.
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Old Apr 19, 2012, 07:51 AM
Someone is going to get wet...
mudman1959's Avatar
The Mitt
Joined Oct 2007
996 Posts
Looks like a Klingon Bird of Prey when it flew by... Cool!!!
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Old Apr 19, 2012, 10:28 AM
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Joined Oct 2008
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So, basically just elevon mixing, since both control surfaces on each side move together? I'm not familiar with the DX7, but if you could set it up like a 4 servo sailplane wing, you could have dual aileron, dual flap, then have the flaps follow the ailerons, and still have crow mixing. I just don't know if you could have the elevon mixing on top of that as well, though to have everything move together for elevator control.

Anyway, it seems to fly great the way it is. I was just thinking of a way to slow it down for landing, but it looks like you have plenty of space for that anyway. Again, that is an awesome wing!
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Old Apr 19, 2012, 01:34 PM
Victoria Super Mortem
UBILDIT's Avatar
BIRMINGHAM ALABAMA
Joined Jan 2006
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Hey.. that thing flies!!!

Wow!
And to think that just the other day you learned how to solder with flux. You've come a long way my young Padowan.

Bo

P.S. I'm coming to SEFF. Monday night and all day Tuesday...
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Old Apr 19, 2012, 01:44 PM
Team Cobra!!! Ssssssss!
lmopar69's Avatar
United States, NE, Doniphan
Joined Feb 2005
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lol Oh yes Bo. I have learned well.

Great to hear you will be there! See you Monday!

Laine.
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Old Apr 19, 2012, 03:34 PM
Gaftopher
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Nottingham Road South Africa/Bedford UK
Joined Feb 2007
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Very nice I am impressed, would you mind sharing the aerofoil? Oh and the plans please ;-)
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Old Apr 20, 2012, 02:07 PM
Now Where Did That Plane Go?
Crash One's Avatar
Columbus, GA. Area
Joined Sep 2007
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Very nice.
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Old Apr 22, 2012, 08:24 PM
Plane Destroyer / Life Enjoyer
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Miami, FL
Joined May 2009
3,473 Posts
Wow, that is just to cool. Well done!
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Old Apr 25, 2012, 10:14 PM
chuck
santa barbara, CA
Joined May 2009
4,017 Posts
very cool!! love that planform.
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Old Apr 30, 2012, 04:35 PM
Balsa is for doll houses
Skrogg's Avatar
Texas, San Antonio
Joined Aug 2004
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Looks good , mang ..
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