What determines the flying characteristics of a model is not the angle of incidence of the stabilizer.
It is the decalge angle between the main wing(s) and the stabilizer and the CG location.

Imagine for a moment that we have the main wing(s) incidenceat zero degree; in different words the chord of the main wing(s) is parallel to the selected reference line and the stabilizer incidence is also zero degree. The decalage angle is zero.

Now we change the reference line by two degrees or by any small angle. The measurement of the incidences will simply change by the same amount as the reference line was changed. In fact we have changed nothing structurally.

Another situation . . . Imagine that we use the original reference line and actually set both the main wing(s) and the stabilizer to minus two degrees; the decalage will still be zero but the longiudinal axis will have changed attitude by the two degrees. This may change slightly any lift contributed by the fuselage or any components having some lift effect. The same is true for any small angle.

The trajectory of any model is the trajectory of its CG. The ideal (the best) compromise is to have the thrust line parallel to the trajctory while simultaneously neutralize any pitch variation with speed. That is impossible thus the necessity to trim with elevators when the speed varies.
What in effect is happening is that we have to change the decalage and in effect we are changing the tail dynamic incidence.

Again, ideally, it is best to have the incidence of the stabilizer and the main wings (the decalage) for the airplane to be stable in pitch attitude at cruise speed with neutral trim (elevators in line with the stabilizers). It must be realized that none of this is important to a flier that never flys straight and level or in a steady descent or climb or let the model fly hands off.

Now have your fun guys and do not justify or back up your nasty statements since you cannot find good reasons to do so.
As long as you enjoy the hobby and depreciating me ___that is fine ___it reflects on you and what you represent in the world.

As I wrote a long time ago, I do not glue my stabilizers, I bolt them so I can experiment with decalage and optimize my models.
For who commented about my posting only pictures of my Skybolt and commented about the awful looking cowl and awfull finish of the whole model has not seen other threads nor would understand that I did not previously had a camera suitable to post pictures. It does not matter, his pleasure was in writing nasty comments.

Zor


Edited to add a letter in one word

<font color="#808000">P.S.: Posted by Zor by editing on 20 May 2013 at 20:50 EDST to explain that a fine gentleman moderator posted early this afternoon and asked that the nasty posting be edited. My comments above about nasty posting do not apply anymore as the people edited their postings.

Note that many nasty postings from the same individuals remain in other threads.
I (Zor) am dedicated to obey the forum rules and did not address myself to the ones who were nasty and posting derogatoy statements.

Thanks to the moderator"Deadeye" who intervened at 1:01 PM today.

Zor

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