Exact location of the center of gravity and CL in some fighters

[AndyJWest]

The position of the CG will vary with fuel load etc. As for the 'centre of lift', do you mean the centre of pressure (which varies with angle of attack with a cambered airfoil), or the aerodynamic centre? The two terms aren't interchangeable.

In any case, if you want the 'exact location', you'd have to specify in relation to what - I suspect you would most likely want it as a percentage of mean aerodynamic chord, but even this is a little hard to define precisely.

Broadly speaking, the further forward the CG is relative to the aerodynamic centre, the more longitudinally statically stable, and less manoeuvrable a plane becomes, but this isn't enough on its own to make any definitive statements about the relative performance of aircraft.

[tityus]

Well Gaston,

For Andy's answer one can see that this is not a light subject. Be it percentage from Mean Aerodynamic Chord or inches from Datum, the numbers won't help much per se.

Taking this part as a premise,

I'm sure game designers must have these location points established somewhere... I would like the source material to be established as well.

I'd infer that you'd like to know if the Flight Model of those planes are based on real data, plans and so, instead of a concoction from designers. Am I correct to assume that?

If so, would a piece of info, in the manual or whatever, in the lines of...

Cliffs of Dover: planes recreated digitally from official plans and realistically simulated.

... meet what you are needing?

I adopting this line, because more than once I witnessed people, IRL conversations, asking similar questions.

té mais
tityus

[Cap'n Crunch]

Each individual airplane would have it's own unique charting for weight and balance recorded. And this record would be updated regularly with every modification such as equipment added or removed to include paint. At least in peace time.

What your really looking for is the operating limits, what is the maximum aft and forward limits for that type, at fully armed and fueled combat loads to stripped and empty. The reason they do it with full and empty is your limits are usually dependent upon weight. As you lose weight via fuel burn and weapons release, your overall allowable forward and aft CG limitations can and usually do shift.

So it's not a simple subject and the behavior is very much dynamic with conditions of flight.

[ECV56_Lancelot]

Originally Posted by AndyJWest

The position of the CG will vary with fuel load etc. As for the 'centre of lift', do you mean the centre of pressure (which varies with angle of attack with a cambered airfoil), or the aerodynamic centre? The two terms aren't interchangeable.

My guess is that he is asking for the aerodynamic center. Since he also asks about the CG, and would make it look like he is trying to work something about aircraft stability, and the aerodynamic center is the point used for that.