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Old Feb 01, 2013, 11:25 AM
A different attitude to RC
extremewing's Avatar
Draper, Utah
Joined Sep 2008
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Originally Posted by samson55 View Post
The Alula is the one plane I am tempted to buy a surplus of. Nothing compares to a perfectly balanced Alula.
That is a fair statement!
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Old Feb 01, 2013, 11:31 AM
Mike M.
like.2.fly's Avatar
United States, UT, Eden
Joined Jan 2010
5,110 Posts
Beautiful photos!
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Old Feb 01, 2013, 11:34 AM
Afflicted with DDD
Soarhead00's Avatar
United States, CO, Berthoud
Joined Mar 2006
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Question: Does the new molded Alula handle and perform better than the original? I have an old one and could not get it to perform that well. I was wondering if it was worth getting the new version.
Bob
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Old Feb 01, 2013, 12:00 PM
Rotor rider
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Belmont Shore, Long Beach, CA
Joined Aug 2009
472 Posts
Quote:
Originally Posted by Soarhead00 View Post
Question: Does the new molded Alula handle and perform better than the original? I have an old one and could not get it to perform that well. I was wondering if it was worth getting the new version.
Bob
Very interesting way to add flaps to the Alula. Was this your idea?

Thanks for posting the photo.

Bob
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Old Feb 01, 2013, 04:00 PM
Afflicted with DDD
Soarhead00's Avatar
United States, CO, Berthoud
Joined Mar 2006
1,403 Posts
Quote:
Originally Posted by BicycleBob View Post
Very interesting way to add flaps to the Alula. Was this your idea?

Thanks for posting the photo.

Bob
Bob
Those aren't flaps in the center, those are the elevators. This mod came from an article in RCSD a few years ago. I can look it up if you are interested.
Bob
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Old Feb 01, 2013, 08:15 PM
Rotor rider
BicycleBob's Avatar
Belmont Shore, Long Beach, CA
Joined Aug 2009
472 Posts
Quote:
Originally Posted by Soarhead00 View Post
Bob
Those aren't flaps in the center, those are the elevators. This mod came from an article in RCSD a few years ago. I can look it up if you are interested.
Bob
Thanks for your response. I assume the ailerons are not programmed as elevons and are used only for turning.

I might be wrong (usually am) but it looks like if you used up elevator while making a turn the aileron and elevator would act as an air break on the outside wing?

Sorry for all this but I love innovation and appreciate your input. I love the Alula, it is one of my favorite planes.

Bob
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Old Feb 02, 2013, 09:07 AM
Registered User
arthur0903's Avatar
Taiwan
Joined Aug 2005
343 Posts
Winch




alula拉絞盤 (0 min 34 sec)


Hi-Start
彈射ALULA (0 min 44 sec)
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Old Feb 06, 2013, 12:04 AM
Building with TLAR precision
Zenmaniac's Avatar
near Madison, WI
Joined Jan 2009
2,717 Posts
Quote:
Originally Posted by BicycleBob View Post
Thanks for your response. I assume the ailerons are not programmed as elevons and are used only for turning.

I might be wrong (usually am) but it looks like if you used up elevator while making a turn the aileron and elevator would act as an air break on the outside wing?

Sorry for all this but I love innovation and appreciate your input. I love the Alula, it is one of my favorite planes.

Bob
I read that same article about separating the elevons to make elevator and ailerons with the Alula v.1 a while ago. The point was that the outer 70% of the aileron does 90% of the turning moment, and that the inner portion of the elevon does little to turn the plane, but more to slow the plane during a turn.

So I modified one of my Alula Evos with a third servo which controls the inner portion of the now split elevator/aileron. With a switch I can program a separate elevator, or use the full aileron+elevator control surface as an elevator. I also fine-tune the elevator on the throttle with a 8% throttle/elevator mix for changing slermal lift conditions like we have in Wisconsin.

I wish I could say I saw a huge performance improvement over my standard Alula, but I'm not sure I do. Perhaps some placebo effect on my brain for having made the change. It's a pretty good bird as it comes out of the box. I probably got the biggest change in performance when I cut the elevons off and re-attached with Blendderm.

-= Dave
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Old Feb 06, 2013, 12:12 AM
Building with TLAR precision
Zenmaniac's Avatar
near Madison, WI
Joined Jan 2009
2,717 Posts
Quote:
Originally Posted by Soarhead00 View Post
Question: Does the new molded Alula handle and perform better than the original? I have an old one and could not get it to perform that well. I was wondering if it was worth getting the new version.
Bob
A WHOLE LOT BETTER, Bob . I had the original also, and was never happy with the performance -- but I was pretty new to sloping then.

I have two Alula Evos now, and love them. Like the v.1, getting the CG right on this little wing is the most important part of setting up the plane. I probably never got it right on the v.1.

I'm pretty sure the original Weasels outsold the original Alulas. With the Evo models, I've heard that those numbers are reversed.

-= Dave
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Old Feb 06, 2013, 10:59 AM
Afflicted with DDD
Soarhead00's Avatar
United States, CO, Berthoud
Joined Mar 2006
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Thanks, Dave.
I guess I have to add the EVO Alula to my build que.

Bob
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Old Feb 06, 2013, 11:14 AM
Building with TLAR precision
Zenmaniac's Avatar
near Madison, WI
Joined Jan 2009
2,717 Posts
Quote:
Originally Posted by Soarhead00 View Post
Thanks, Dave.
I guess I have to add the EVO Alula to my build que.

Bob
Don't worry, it's only about a 2 hour build -- so move it to the front of the que!

Or if you're a quick builder like John, here, it only takes 2 min 29 seconds!

Building the New Alula (2 min 29 sec)


-= Dave
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Old Feb 06, 2013, 12:18 PM
Afflicted with DDD
Soarhead00's Avatar
United States, CO, Berthoud
Joined Mar 2006
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That was fun to watch but I'm definitely not that fast It took me two weeks to build a Weasel. I couldn't decide how to trim it out.

Bob
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Old Feb 06, 2013, 03:45 PM
Wind Powered
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United States, CA, Goleta
Joined Oct 2004
538 Posts
I just chucked that video on the D-F Facebook page...thanks for the link! ;-)
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Old Feb 08, 2013, 03:22 AM
Registered User
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Taiwan
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Old Feb 08, 2013, 05:46 AM
DS will change your life
SpeedsterDEN's Avatar
Danmark, Nordjylland, Sæby
Joined May 2010
1,667 Posts
Quote:
Originally Posted by arthur0903 View Post




I did almost the same with one of my Alulas.
It would realy pitch down (dive) when open the thottle because of the narrow wing without tail.
So I changed it to a front motor, much better.

But lets hear how it fly.

S
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