The last 2 times that I have flown the Comanche it has performed a 180 degree barrel roll on me at about 200' AGL when landing. It happens just shy of the fence. My hands are on the controls with the autopilot turned off.
When it rolls it is not a gentle occurrence. It happens in about 3 seconds. One moment I am looking at the numbers and then all of a sudden the world is upside down looking at trees.
The wind conditions on both landings were so calm that they were practically a breeze, not a strong wind component or variable winds +/- 10 kts.
I do use AS2016 as my wx engine.
Any ideas?
Barrel roll before landing
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- A2A Major
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Re: Barrel roll before landing
Make sure the "enhanced turbulence" setting is turned OFF in AS16.
- Nick - A2A
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Re: Barrel roll before landing
Yes, either that and/or the wake turbulence effect in AS16 are probably the culprit here.
Cheers,
Nick
Cheers,
Nick
Re: Barrel roll before landing
So since this only happens with the Comanche, I have to turn both of those settings in AS2016 off every time I fly the Comanche?
- Nick - A2A
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Re: Barrel roll before landing
"Enhanced turbulence" should be unticked, yes. This setting can cause issues with add-on aircraft with advanced flight models, which I suspect is why it's disabled by default.
The wake turbulence simulation is obviously dependent on the proximity of AI traffic. Were there any AI landings prior to your approach for the cases in question?
Thanks,
Nick
The wake turbulence simulation is obviously dependent on the proximity of AI traffic. Were there any AI landings prior to your approach for the cases in question?
Thanks,
Nick
Re: Barrel roll before landing
I have never flown the Comanche with air traffic. Neither AI or VATSIM.
- Nick - A2A
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Re: Barrel roll before landing
Then chances are it's just the As2016 "enhanced turbulence" setting. Unless the 'barrel roll' coincides with you extending the flaps, and one of them happens to be jammed...
Nick
Nick
Re: Barrel roll before landing
Dumb question: Why has this only happened with the Comanche?
Re: Barrel roll before landing
You can actually fly through your own wake in ASN and it causes lots of control issues. Also if you have a problem with the aircraft that can be detected during the walk around, it might lead to a problem with handing when flaps are deployed.
Flight Simmer since 1983. PP ASEL IR Tailwheel
N28021 1979 Super Viking 17-30A
N28021 1979 Super Viking 17-30A
Re: Barrel roll before landing
Interesting. On all of my airplanes, including airliners, I always do a pre-flight walk-around.
The second "barrel roll" happened during pattern flying. Go arounds, touch and gos, and full stop landings. The "barrel roll" occured during my last pattern shooting for a full stop landing. The airplane handled just fine during go arounds.
The second "barrel roll" happened during pattern flying. Go arounds, touch and gos, and full stop landings. The "barrel roll" occured during my last pattern shooting for a full stop landing. The airplane handled just fine during go arounds.
Re: Barrel roll before landing
There are other offerings besides A2A with a walk around?
Flight Simmer since 1983. PP ASEL IR Tailwheel
N28021 1979 Super Viking 17-30A
N28021 1979 Super Viking 17-30A
- Lewis - A2A
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Re: Barrel roll before landing
Are you doing the featured walk around with your Comanche using shift - 8 to actually perform the full walk around with checks. I'd suspect weather issue here, but for sure it could easily be flap issue.
thanks,
Lewis
thanks,
Lewis
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Re: Barrel roll before landing
For the Comanche I do the A2A walkaround where I check if there is H20 in the fuel, etc.
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Re: Barrel roll before landing
The Comanche (and other A2A Accusim products, and some other developers' products) doesn't play nice with the "enhanced turbulence" feature because they both make use of SimConnect functions - when both are in use at the same time, unpredictable things happen. I wouldn't even worry about turning enhanced turbulence back on, the effect is a bit odd and unrealistic IMO anyway. You will still get plenty of rockin' and rollin' turbulence without it.
Re: Barrel roll before landing
Interesting. I didn't know this info.molleh wrote:The Comanche (and other A2A Accusim products, and some other developers' products) doesn't play nice with the "enhanced turbulence" feature because they both make use of SimConnect functions - when both are in use at the same time, unpredictable things happen. I wouldn't even worry about turning enhanced turbulence back on, the effect is a bit odd and unrealistic IMO anyway. You will still get plenty of rockin' and rollin' turbulence without it.
Thanks!
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