F-16 ,on the Tarmac

Good question  the f-16 is a Electric jet I don't think there's any Sag . I would say they stay up,

I had read that when the F-16 taxied, the flight computer angled the leading edge flaps slightly up!  Don’t know if there was a software patch for that.

I have a lot of F-16 pictures and I would say most parked F-16's in those have symmetrical positions and are often a little lower than faired with the wing, sometimes down more than that but not often.  It would be nice to hear from a ground crew guy.

Tojo72

An F-16 at rest on the tarmac would the wing flaps remain up or would they hang down.Tamiya provides both.Surprisingly couldn't tell from google pics.

 

This one armed on the alert pad looks to have a slight droop

The TEFs are 20 degrees down at speeds below 240 knots and/or the landing gear switch is set for gear down, so they sit 20 degrees down when its parked. They're only fully retracted at 370 knots or above, and at varying angles based on airspeed between 240 and 370. 

stikpusher

This one armed on the alert pad looks to have a slight droop

Interestingly,  the speed brakes appear to be partially open too.

Eaglecash867

The TEFs are 20 degrees down at speeds below 240 knots and/or the landing gear switch is set for gear down, so they sit 20 degrees down when its parked.

So, is this ,20 degrees, how we should model it?

Shipwreck

 

 

Eaglecash867

The TEFs are 20 degrees down at speeds below 240 knots and/or the landing gear switch is set for gear down, so they sit 20 degrees down when its parked.

 

 

 

So, is this ,20 degrees, how we should model it?

 

 

If you want to be accurate, yes.  20 degrees is the maximum downward deflection of the TEFs.  Since the TEFs also act as ailerons, they also have a maximum upward deflection of 23 degrees, but you'd never see that on a parked, cold Viper.

Here is a picture of a parked F-16.

Go here for more than 150 highly detailed pictures of the F-16. Best website of an F-16 ever.

https://designer.home.xs4all.nl/aircraft/af-16/af16-1.htm

Man those are cool looking jets.  I gotta get to building mine.

Every aircraft that I have built in the last four years have been finished in Bare Metal Foil. After looking at these photos I think that I am going to buy an F-16 and drag out the paint machine.

I was one of those ground crew guys, a crew chief early in my career. Whenever the aircraft has been sitting a while after flight, the hydraulic fluid pressure begins to bleed off. The flaperons will then say down and the horizontal stabilizer will tilt into the angled position shown in one of the later response photos.

For an idea of how far down the flaperons droop, I’m 5’10”. At the lowest point these will droop to just above eye level (don’t ask me how I know this...)

Real G

I had read that when the F-16 taxied, the flight computer angled the leading edge flaps slightly up!  Don’t know if there was a software patch for that.

 

That is correct. at ground speeds below 145 knots ... ish the LEF is 2 degrees up (i must admit it's been a while since i did my type rating, so i can't remember the exact speed) This is to prevent premature takeoff, which happened during one of the high speed ground runs of the prototype.

Regarding the TEF, or more corectly the Flaperons as they are both  flaps and ailerons, they will typically sit at a symetrical down angle on the tarmac. But you can easily push them up to neutral with your hands, or at least i could on our "good old" Block 10 and 15's in the RDAF, but given that they were pushed up by hand they would slowly drop down again.

Speed brakes can creep to, but just like the flaperons they are quite easy to push open or closed with your hands ... just don't put your fingers in them when hydraulic pressure is applied.