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Maverick boresight and parallax


Go to solution Solved by Lord Vader,

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Posted (edited)
On 1/31/2023 at 8:13 AM, MVS-Viper said:

So yes, the new Maverick Ground Boresight Procedure works.  But, it is kind of a guessing game as to -- did you use an object far enough in the distance for the boresight to work.

I have the feeling you and some other people here don't quite understand what a Parallax effect is: https://en.wikipedia.org/wiki/Parallax

There is no magic distance at what the boresighting "works". The boresighting is precise for the distance you boresight at. If you perform the boresighting on an  object 8nm away, then the boresighting will be precise for that distance. If you perform the boresighting on an object that is 2nm away, then it will be precise for that distance. That's the nature of having two different cameras (TGP and Maverick seeker) that are located a bit apart from each other and thus have to look at the same point with slightly different angles each.
You can sort of compare it to focusing binoculars. You focus them for a certain distance and the sight will be very clear for that distance, but gets blurry above or beyond that distance.

Edited by QuiGon
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Posted (edited)

I am completely agree about parallax errors, they should be taken in consideration especially in ground align cases. Anyway i am used to do in-flight MAV aligns so the parallax at 7-9nm is neglegible, but i noticed a little vertical inaccuracy when i try to hit something with the Force Correlate mode (in F-16 WPN page is called AREA on H/K versions).
In my tests the groundpoint locked by my mavs was a little long. I also noticed a random little slide of the crossair in the exact moment of MAV lock (TMS up).

I'm not at home this week so i can't post my tracks, but i suggest people to try testing Force Correlate mode and try to be accurate and consistent with the point you targeted on Litening POD.

Edited by falconzx
Posted

I have tried everything I know how to try to get the Mavericks to work on the hand-off/boresight and I can not get them to hand-off correctly.  I have been flying the virtual F-16 for over 20 years and I have looked at tutorial videos for DCS on how to boresight the mavericks to the TGP.  I have done all these things and the Mavericks is broke.  I noticed that when the maverick is looking at a target, the symbology in the HUD is not looking at the same thing and it is way off and vice versa.  I am able to fire the maverick and kill a target if I disregard the symbology in the HUD and use the MFD to lock it up.  The HUD and the MFD are not sync'd.  

 

Something if very wrong with the Maverick.

Posted

How far way is your boresight point? ED has stated recently that it should be a minimum of 1nm away, preferably 2-3nm or you will run into parallax issues. 

In Thrust We Trust.

Posted

Just did a test myself on a cold start, when aligning Mav on the ground the objects are just too close to do a good alignment, when trying to lock targets 7+ miles away there is offset, but when I do the same with a target that is 7 miles away for example, Mav alignment is ok.

Posted

Thanks to all for the replies about the Parallax effect.  More information than I ever wanted to know about Parallax effects - 😆 

As a DCS user that is all well and good, but when I get in the pit, I just want the Mavericks to work.  There should be a balance between realism and enjoyment of the sim IMHO.

So this is a little different than the way they worked before the 2.8 update; but (bottom line) there is a magic number - at least in my brief experience with the new update.

As others have stated above - the magic number is 1 nm.

Anything less than 1 nm will likely not give you a good handoff.  Also, locking onto a large object like a radar dome will yield better results IMO.

 

 

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Posted

I understand parallax error but Is it really that dumb?

I would have thought that it is not beyond reasonable technological capability that if it knows what range it was bore-sighted at, it could calculate where it should be at any range, 
I mean it's only trigonometry. I guess DCS was doing this before, as it would always be correctly aligned.
I have no idea if it knows what range the boresight took place. The TPOD would know if the laser ranging was active. It would also know the range if you were bore-sighting the maverick to the FCR (RAdio Detection And Ranging

All you're really doing is telling the aircraft how many degrees offset to use because of pylon/rack misalignment. That can't be that big, the bolt holes wouldn't line up.
 

Posted

Altho that magic range is more or less 1nm, if you try to boresight at 2nm you wont get good accuracy on your Mav, 

For good and accurate boresight atm 5nm is the shortest distance to boresight at.

I think testers should re-test that 1nm distance.

  • BIGNEWY changed the title to Maverick boresight and parallax
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