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Old Feb 05, 2016, 04:29 AM
pardshaw is online now
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Flying one day at a time....
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United Kingdom, Pardshaw
Joined Oct 2012
2,114 Posts
Well done, Dave. Thats a nice machine you've put together. I like it

I see what you mean about (single) central dihedral - rolls seem crisper and more axial than I get with (double) dihedral tips.

Usually, though, if you gain something (like better roll) you lose something else.

So....has it "lost" anything?

What is the flying weight and diameter?

Dave
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Old Feb 06, 2016, 03:38 AM
davereap is offline
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Ashford. Kent. England
Joined Feb 2005
7,697 Posts
No its just as easy and stable as all my nutballs, and as aerobatic..
Its kept all the good qualities of the nutball.. it just needs that extra servo..
I wanted this for indoor flight, where I go extra slow.. and like the nutball it can go down to almost zero forward speed, and fly easily like that..
That's where the large elevons help.. and the rudder being further to the rear than a nutball is very powerful for yaw ..

my flying is ok but I prefer relaxing models, like the nutball, where I can fly easily yet still have a chuck about...
I can fly 3D-ish models ok, but I am only adequate on those... more standard models with a bit of stability are preferred...

its 18" diameter ...9mm EPP .. AUW 185gms... 6.6oz... 3.7ozsqft.... it flies on a 500 2s lipo..
2211-1700.. 8x4.3gws prop..
this gives excess power for hover and verticals...

Its flying with those elevons set on the max aileron rate setting, so they are obviously less efficient than square cut shapes... but there doesn't seem to be any adverse effects, certainly no adverse yaw, the rolls are now fast enough, and axial enough, so I am not bothered with rolling nearer the ground .....
and I think a bit more adjustment of the COG will get them better yet...

The elevator rates are reduced.. 50-60% of the full movement seems more than enough

Its a keeper.....
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Last edited by davereap; Feb 06, 2016 at 04:00 AM.
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Old Feb 06, 2016, 08:38 AM
bigbobed is online now
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Awsome 2.5D Pilot.
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United States, NC, Jackson Springs
Joined Nov 2003
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Will it still spin like a normal Nutball?
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Old Feb 06, 2016, 11:18 AM
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Ashford. Kent. England
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no idea.... its only been flown indoors.... our weather is too poor at the moment for outside flights
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Old Feb 06, 2016, 06:23 PM
Grantham Kid is offline
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Chasin' that Neon Rainbow
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Australia, QLD, Grantham
Joined Oct 2012
4,286 Posts
I fitted a gyro on mine (with elevons) and it handles the wind great now.
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