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e-Century Hummingbird - Swift > Hummingbird: Is the "Horizontal Tail Fin" really needed?
 
 
jweaver100
Heliman
Location: South Wales, UK

My Posts This: Topic  Forum		I am having a world of problems with my Hummingbird and its just dawned on my that I havn't fitted the 'Horizontal Tail Fin' as it wasn't included the box!

Is this item for show, or does it add anything aerodynamically?

Jon
12-28-2005 Over year old.
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jollsnj
Heliman
Location: Alfred, New York

My Posts This: Topic  Forum		the purpose of the tail fin is so when you are flying forward the tail will "weathervane" and make it ezer to fly. if you are only hovering other than weight it doesnt add much. i dont have one on my HB but i am only hovering yet.
12-28-2005 Over year old.
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Silvashadow
Veteran
Location: Kent, UK

My Posts This: Topic  Forum		Hi jweaver, the horizontal tail will make no noticeable to the way your HB flies. It is there mainly for aesthetic and orientation reasons.
12-28-2005 Over year old.
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leslie
Key Veteran
Location: Hollis, NH - USA

My Posts This: Topic  Forum		Hi jw,

For easy flying the fins, have no purpose outside of asthetics. If you're flying outside the vertical and horizonal fins help with visually helping you to know the orientation of the bird. Since you are not gonna be going wild with this, I would not worry about it.

Asthetically you can fashion your own out of a black CD jewel case, they do look kinda cool.

Cheers,
Leslie

Protecting those who protect us
12-28-2005 Over year old.
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CRB68
Senior Heliman
Location: Tombstone, AZ

My Posts This: Topic  Forum		The sizes of the h' fin on the machine is for appearance only. If you were into fast forward flight you would need a larger one to help it fly level. On my FAI IC machines, the h'fins really help them groove in level flight.

PJ
12-29-2005 Over year old.
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Planehazza
Veteran
Location: Newcastle, England

My Posts This: Topic  Forum		I have never flown with it. IMO it flies better without it, as I have found it disturbs the down thrust of the main blades.

As far as they know, I already had it!
T-Rex 450 XL HDE with metal upgrades
12-30-2005 Over year old.
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Teufel-Hundin
Heliman
Location: Saint Petersburg FL

My Posts This: Topic  Forum		The skeleton design is designed to minimize weight and aerodynamic impact. Just for vis.
03-14-2006 Over year old.
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e-Century Hummingbird - Swift > Hummingbird: Is the "Horizontal Tail Fin" really needed?
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