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Aircraft won't turn when ALT Hold is engaged


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Posted

I'm not sure this is a bug, but I'm certain it did not behave this way earlier.

When the ALT Hold is engaged the A-10 won't allow me to turn. It counter acts my inputs, just like when Alt/Hdg is engaged. 

Pretty easy to reproduce. Level off, engage alt hold, try to turn.

My latest project, the Multi Function Button Box can be found at Kickstarter.

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Posted (edited)

If I turn on ALT mode, engage autopilot and give it some bank it will counteract a tiny bit but it does eventually hold the bank that I gave the plane. So I cannot reproduce your issue. 

Reproduce it and attach a short track so we can check.

Edited by razo+r
Posted
8 minutes ago, razo+r said:

If I turn on ALT mode, engage autopilot and give it some bank it will counteract a tiny bit but it does eventually hold the bank that I gave the plane. So I cannot reproduce your issue. 

Reproduce it and attach a short track so we can check.

 

Might be that I have not tried hard enough to force the bank. I'll give it another try.

My latest project, the Multi Function Button Box can be found at Kickstarter.

Posted (edited)
9 hours ago, JackFlash said:

I'm not sure this is a bug, but I'm certain it did not behave this way earlier.

When the ALT Hold is engaged the A-10 won't allow me to turn. It counter acts my inputs, just like when Alt/Hdg is engaged. 

Pretty easy to reproduce. Level off, engage alt hold, try to turn.

That isn't how ALT hold works.  ALT will hold your altitude and the current bank at the time it's activated, so if you engage it with wings level it works just like ALT/HDG.  You need to engage ALT while banked if you want to be in a turn.

Edited by jaylw314
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Posted
9 minutes ago, jaylw314 said:

That isn't how ALT hold works.  ALT will hold your altitude and the current bank at the time it's activated, so if you engage it with wings level it works just like ALT/HDG.  You need to engage ALT while banked if you want to be in a turn.

 

I’ll try that. I’m pretty sure it didn’t work that way earlier. The Hornet does not work like that, but it might be different for each platform. 

My latest project, the Multi Function Button Box can be found at Kickstarter.

Posted (edited)

You can also engage ALT while in a certain attitude and then change the bank angle and it will hold the new bank angle as well as altitude. That's how it works in DCS. Though I'm not sure if it should work that way.

Edited by razo+r
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Posted (edited)
18 minutes ago, razo+r said:

You can also engage ALT while in a certain attitude and then change the bank angle and it will hold the new bank angle as well as altitude. That's how it works in DCS. Though I'm not sure if it should work that way.

 

According to the -1, that is the way it's SUPPOSED to work, but in DCS I've always recalled changing bank angle required disengaging and reengaging the AP in ALT mode.  Now you have me doubting myself, I'll check it tonight.

Edited by jaylw314
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Posted
11 hours ago, jaylw314 said:

That isn't how ALT hold works.  ALT will hold your altitude and the current bank at the time it's activated, so if you engage it with wings level it works just like ALT/HDG.  You need to engage ALT while banked if you want to be in a turn.

 

Talking to an A-10 pilot that actually is how ALT HOLD works. DCS has never done this right as far as I'm aware.

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Posted
2 hours ago, ASAP said:

Talking to an A-10 pilot that actually is how ALT HOLD works. DCS has never done this right as far as I'm aware.

Well I'll be danged! I just tried it and it DOES work that way now!  ALT allows you to change your bank without disengaging the autopilot and it works like a charm.  I'm not sure if I'm remembering DCS wrong or what, but it works the way it's supposed to.

Of course, for @JackFlash that doesn't really help other than to point out I'm not seeing what you're seeing...

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  • 4 weeks later...
Posted (edited)

Just to follow up on this thread, I've noticed some quirks with ALT hold.  Most of the time, it works as advertised, but occasionally, after engaging, it tries to use rudder to counteract attempts to roll the plane.  However, if you roll hard enough (but not hard enough to disengage the autopilot), it will 'release' and subsequently work as advertised.  Most of the time, though, it works as advertised and even small roll inputs work as expected.

I had not realized this was an intermittent problem (which of course makes it harder to troubleshoot), but at least I was able to duplicate @JackFlash's issue at some level. 

Edited by jaylw314
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