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-   -   Flap & prop pitch braking effect overdone? (https://forums.eagle.ru/showthread.php?t=217596)

Reflected 08-06-2018 09:16 AM

Flap & prop pitch braking effect overdone?
 
2 Attachment(s)
I try to fly circuits by the book. Setting fine pitch before turning on final, full flaps on final, maintaining 160 kph. To do this, I need to apply a lot of power. a LOT. Then I watched this go pro video, and the guy floats in at idle, occasionally applying bursts of power, bringing the RPM up to 70% for a second. Mine is near 100% all the time, no matter how steep I come in. This is very strange. Can anyone with real life experience comment?

https://youtu.be/j9fPnUuroqE



https://forums.eagle.ru/attachment.p...1&d=1533543356

https://forums.eagle.ru/attachment.p...1&d=1533543356

Reflected 08-11-2018 08:42 AM

Nobody finds this strange?

bbrz 08-11-2018 09:05 AM

AcroGimp already mentioned that the flap drag is way too high.
The no flap approach speed is 170km/h and the difference between an idle glide angle with the prop fully forward and fully back looks ok to me.

Reflected 08-11-2018 09:48 AM

Yeah, the prop effect seems alright after 30+ approaches. But that flap drag....when I lower them I need to open the throttle, almost like in a MIG-21...hope it will be fixed soon.

bbrz 08-11-2018 09:54 AM

Getting used to the flap pitch 'issue' since it's easily manageable and the pitch effect might need only to be reduced a bit.

But the flap drag is no-go. You can't even follow the real procedure, since this instructs you to climb at 160km/h with the flaps extended!

AcroGimp 08-12-2018 12:44 AM

Flap drag is WAY off but I believe they are working it along with other things.

'Gimp

X93355 08-13-2018 09:26 PM

On a couple of occasions where I've left the flaps down during a touch and go irl you certainly know you've left them down :)

Reflected 08-15-2018 07:18 PM

Looks like the flap drag hasn't been addressed yet...

AcroGimp 08-15-2018 07:31 PM

One way to address the current flap drag issue appears to be moving prop full forward (fine) at around the same time you deploy the flaps, this is early compared to how I fly the Yak IRL but the way DCS models prop drag/vs thrust appears to favor the fine pitch.

This is NOT how I fly IRL but may be a workaround for now.

'Gimp

zhukov032186 08-15-2018 07:45 PM

I just don't use the flaps at all, tbh, they're not really necessary. Land quite safely without them.


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