Viggen Stick Movement during Trimming is Reversed

[CommandT]

Hi guys,

I'm using a force feedback stick and I noticed some very confusing/ odd behaviour when setting up the Viggen - trimming nose up/ down results in the stick displacing naturally (to it's new neutral trimmed state) in the opposite direction to what it should? 

So nose down trim results in the stick naturally moving back, nose up trim results in the stick naturally moving forward - basically it means the trim is somewhat compensated for by the stick position moving in the opposite direction on it's own. Should it not be the other way round? Nose down trim = stick displacing forward? Nose up trim = stick displacing backward?

Naturally I thought that the key bindings for trim nose up/ down have been reversed or that there was a bug that had reversed the key bindings - but no... it does appear that nose down trim does trim the nose down (including when looking at the trim gauage).... but why does the stick move back and not forward like any other conventional aircraft? Some kind of Viggen/ delta wing quirk or a force feedback bug?? 

[MAXsenna]

Hi guys,

I'm using a force feedback stick and I noticed some very confusing/ odd behaviour when setting up the Viggen - trimming nose up/ down results in the stick displacing naturally (to it's new neutral trimmed state) in the opposite direction to what it should? 

So nose down trim results in the stick naturally moving back, nose up trim results in the stick naturally moving forward - basically it means the trim is somewhat compensated for by the stick position moving in the opposite direction on it's own. Should it not be the other way round? Nose down trim = stick displacing forward? Nose up trim = stick displacing backward?

Naturally I thought that the key bindings for trim nose up/ down have been reversed or that there was a bug that had reversed the key bindings - but no... it does appear that nose down trim does trim the nose down (including when looking at the trim gauage).... but why does the stick move back and not forward like any other conventional aircraft? Some kind of Viggen/ delta wing quirk or a force feedback bug?? 

In the controls settings. Click axis. Then click the column of your stick. Then choose FFB tune or something. Check swap axis, and maybe even x and y. I don't remember my settings for the Viggen, but I have to swap x and y in every module, but maybe I need to swap axis in the Viggen as well. This is just the way it is with FFB in DCS.

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[CommandT]

4 hours ago, MAXsenna said:

In the controls settings. Click axis. Then click the column of your stick. Then choose FFB tune or something. Check swap axis, and maybe even x and y. I don't remember my settings for the Viggen, but I have to swap x and y in every module, but maybe I need to swap axis in the Viggen as well. This is just the way it is with FFB in DCS.

Sent from my SM-A536B using Tapatalk
 

That fixed it! Thanks so much! For some reason it was just the Viggen that had it the wrong way round. F-5 and all the FC3 modules were correct. Thanks again!

[MAXsenna]

That fixed it! Thanks so much! For some reason it was just the Viggen that had it the wrong way round. F-5 and all the FC3 modules were correct. Thanks again!

Excellent!

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[Gunfreak]

On 5/1/2024 at 6:01 PM, CommandT said:

That fixed it! Thanks so much! For some reason it was just the Viggen that had it the wrong way round. F-5 and all the FC3 modules were correct. Thanks again!

It varies. In the warbirds you generally have to swap. In some jets you do in some you don't.

With helicopters. You either have to swap both axis or just one for the force trim to work.