WattFlyer RC Electric Flight Forums - Discuss radio control eflight

WattFlyer RC Electric Flight Forums - Discuss radio control eflight (https://www.wattflyer.com/forums/index.php)
-   Aerodynamics (https://www.wattflyer.com/forums/forumdisplay.php?f=33)
-   -   Tail wing (https://www.wattflyer.com/forums/showthread.php?t=66480)

pepcid 04-20-2012 05:03 PM

Tail wing
 
Do you haft to have flaps on the tail wing?:confused: I am making my own plane and the front wings are large.

Turner 04-20-2012 05:46 PM

You have to have some way to control pitch. This is usually done with a control surface at the trailing edge of the horizontal stabilizer called the elevator.

http://en.wikipedia.org/wiki/File:ControlSurfaces.gif

[media]http://upload.wikimedia.org/wikipedia/commons/b/b8/ControlSurfaces.gif[/media]

whitecrest 04-20-2012 05:52 PM

A little more information would be helpful. Are you attempting to build a traditional design or something different, perhaps with a canard in front?

pepcid 04-20-2012 05:59 PM

traditional it will have large flaps on the front wings 5 in. by 20 in. wingspan

whitecrest 04-20-2012 06:39 PM

Given your wing dimensions, your plane's wing area will be 100 sq.in. which seems fairly small to implement flaps or ailerons. For planes of this size, rudder/elevator control with appropriate wing dihedral might be the best way to go.

pepcid 04-20-2012 07:06 PM

opps i ment to say 5 in. by 40 in. wingspan sorry

JetPlaneFlyer 04-20-2012 07:08 PM


Originally Posted by pepcid (Post 865919)
traditional it will have large flaps on the front wings 5 in. by 20 in. wingspan

That's shrunk some.. it was 40" span in your last thread:confused:

Anyway, basically unless you have something quite unusual in mind: 'Yes' you need moving surfaces on the tail, they are called elevators.

I think if you want to design your own plane then you need to get your head around some of the basics of airplane design otherwise you are going to be guaranteed disappointment.

Steve


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