Comment by Michal on September 6, 2011 at 1:45pm

Negative swept wing means it hardly go to stall. Look at similar concept of Alulah glider.  Wladimirze - czy latasz gdzies w okolicach Warszawy?

Greetz

Michal

Comment by Vladimir "Lazy" Khudyakov on September 6, 2011 at 10:47pm

Tak jest, Michale.

Zwalić to coś w korkociąg - nierealnie.

Niestety, w tej chwili nawet nie mieszkam w Warszawie...

Comment by bGatti on September 7, 2011 at 9:03am

eduardo,

the absence of a vertical stabilizer is I think for the most part intended to clean up the plane for landing (fewer parts to catch and break).

 

every wing system needs two components for lift: a main inclined plane, and an adjustable inclined plane to control the angle of attack.

 

In this design, the two are combined - which arguably increases drag - because the control surface (stabilizer) doesn't have the mechanical advantage of leverage - it has to produce more drag per unit of rotational force.

 

On the flipside, it does not have a separate wingtip vortex - so that helps.

 

Highly efficient planes (gliders) have tailfeathers on a long boom; high speed planes often shorten the leverage or merge the controls all together.

 

Comment by eduardo on September 8, 2011 at 8:14am

thank you bGatti

i will make some tests with this design

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