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when i use the rudder the plane/helicopter returns to the start of the turn


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Posted

This is killing me :chair:

I have DCS world with A10, blackshark2 and mustang.

My problem is when ever i use the Rudder pedals to turn the air craft, and place the the CH Pedals back to centre, The Air craft slowly turns back to where it started from. This is making flying the aircraft very difficult and fustrating.

Any help would be greatly appriciated.

matthew

Posted

You don't turn with rudder. Use it to make small adjustments to keep your aircraft in coordinated flight.

 

Roll the aircraft with the ailerons and control the turn rate with elevator.

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Posted

Thanks for the super dooper reply. I only use the pedals to make small ajustments. Surely the aircraft shouldnt return to where it was once i release the rudder pedals .

Posted

aerodynamically that is correct as you are releasing the pressure on the surface that is causing the change of attitude of the aircraft

 

Bear in mind your not changing the direction of travel just the attitude of the aircraft.

Posted

If for example im flying the blackshark and turn towards the target using the rudders pedals instead of the "turn to target" command/switch. The helicopter will slowly turn back to the point at which i stated to use the rudder pedals.

Posted

Lets say im in a nice steady hover. I use the rudder pedals to initiate a 180 degree turn. On release of the pedals MY helicopter slowly returns back to the 0 start point.

I hope these clears up my query

Posted

Do you trim after you have completed the turn?

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Posted

I shouldnt have to trim?

I also have blackshark 1 and A10 stanalone and The aircrafts dont return to the start point of the turn on release of the rudder pedals.

Posted
Lets say im in a nice steady hover. I use the rudder pedals to initiate a 180 degree turn. On release of the pedals MY helicopter slowly returns back to the 0 start point.

 

The reason as stated is that you are not trimming correctly. The stability augmentation includes a desired heading. If you do not reset your desired heading (indicated by a small diamond on the heading rose in the HUD), the stability augmentation will steer the helicopter back to the current desired heading.

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Posted
The reason as stated is that you are not trimming correctly. The stability augmentation includes a desired heading. If you do not reset your desired heading (indicated by a small diamond on the heading rose in the HUD), the stability augmentation will steer the helicopter back to the current desired heading.

Mmmmm SOBEK. You got me thinking. Sooo what should be done once i have finished my manuvoer and which to proceed at that desired heading

Posted

I wondered about the exact same thing when I bought the KA50,

search "DCS: BS2 Trim and Autopilot (1080p tutorial)" on you tube.

Posted (edited)

The Ka-50 is different from the others due to how the autopilot channels behave. Try the same maneuver but first turn on the flight director. This will disable the three autopilot channels but keeps the dampeners on so the helicopter will still be relatively easy to fly.

 

Otherwise, every time you change your heading (and not tap the trim button) the yaw autopilot will return you to the last set heading. The autopilots only have about 30% authority of the controls which you can fight against. If you go to external view you can see the yaw AP moving the rudder until your heading is back to the original.

Edited by Maulkin

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Posted

There are 2 generally promoted methods of trimmer use for affecting heading changes in the KA-50. One is to blip the trimmer once you have aligned on the new heading (thus telling the AP which way you now want to go) and the other is to hold the trimmer button during the entire maneuver, releasing when stable on new course.

 

Personally, i prefer the latter, because blipping the trimmer can cause overcontrol problems, but people fly both ways.

Posted

Iv tried using the trimmer, just when I think iv mastered the beast it starts behaving like a bucking bronco lol and starts spinning around like nutter. OMG

Posted

I don't know about helicopters, but airplanes the rudder actually is supposed to do that. I'm not exactly sure why, I'm not an aeronautical engineer. Maybe it has to do with the airplane moving through air having a "weather vane" tendency? However, rudder is only used in very few occasions, never the primary turning control in flight. Examples are slow flight, cross wind landings, turns with ailerons, and in combat use for aiming to make a small correction.

 

Remember the rule of thumb is aileron becomes less effective when really slow. So if during a stall or slow flight it's best to use rudder for directional control.

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Posted
Lets say im in a nice steady hover. I use the rudder pedals to initiate a 180 degree turn. On release of the pedals MY helicopter slowly returns back to the 0 start point.

I hope these clears up my query

 

 

Also...think about it...( I play the a-10c and don't know how the shark works but)to use the rudder to steer u need to be in a moving situation so the airflow actually goes trough your rudder and pushes your aircraft...If you are standing still the ruder shouldn't have an effect

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Posted (edited)
Also...think about it...( I play the a-10c and don't know how the shark works but)to use the rudder to steer u need to be in a moving situation so the airflow actually goes trough your rudder and pushes your aircraft...If you are standing still the ruder shouldn't have an effect

 

That's not how helicopters work.

 

Anyway, in this case, the helicopter turns back to the original heading because the autopilot is returning the aircraft to desired heading set for the autopilot. To set a new heading, click the trimmer button at the new heading. Alternatively, turn off the heading mode of the autopilot and it won't try to hold a heading.

Edited by AlphaOneSix
Posted

I think I will just turn the god Dam thing off, its proving too much of a nightmare to get use to. I will try the trimmer thingy at a later stage me thinks.

Posted

what i do, is turn the heading channel on and off when i want to switch heading, turn the channel off before starting your turn then turn it on again once youve finished it, it makes it much easier, and you dont have to re-trim when doing this, so its a nice compromise, when you dont have FBB pedals and a FFB joystick.

Posted

I guess the biggest hurdle for people to understand is that you need to get used to just constantly mashing the trim button every time the controls move. This requires a dedicated button in a comfortable location on your joystick. Trimming needs to just be second nature.

 

I will also say don't worry too much about what people (including me) say about it. It's your game, play it how you want. At the end of the day, it's about being entertained. If it's not fun, do whatever you need to do to make it fun.

Posted

all you should have to do is turn off the desired heading, make your turn, then then it back on. If you use trim i think you're just pitting the trim againt the auto-pilot for undesired results.

 

It's been awhile since i flew the ka-50 so im not 100%

Posted

Here is when I have my trim button released:

 

  • Straight and level flight
  • Level climbs and descents
  • Constant-rate turns that take a minute or two to complete

 

During just about all other types of flight, especially any kind of flight involving moving the controls, I have the trim button pressed, and I don't release the trim button until the flight controls don't need to move anymore and I'm in one of the three phases of flight listed above.

 

In a nutshell, for me, if the cyclic or pedals are moved AT ALL, the trim button is pressed and held until I'm done moving those controls.

 

Other than for testing specific issues, I fly with Roll, Pitch, and Heading autopilot modes engaged at all times.

 

I have never used Flight Director mode.

Posted

 

 

I should have been more clear. I wasn't referring to a turn. Just as moving the rudder in straight and level flight. Sorry.

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Posted
Here is when I have my trim button released:

 

...

 

Nice to hear from someone who flies the way I try to. :) I have tried other ways and this works best for me.

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