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Search: Posts Made By: bbrz
Forum: F-15C for DCS World 06-27-2019, 08:19 PM
Replies: 84
Views: 10,818
Posted By bbrz
That's one of the problems with the DCS F-15. The...

That's one of the problems with the DCS F-15. The -1 states that the ground effect is so pronounced that it can be difficult to notice that actual touchdown.
Without this effect you need more...
Forum: F-15C for DCS World 06-27-2019, 07:58 PM
Replies: 84
Views: 10,818
Posted By bbrz
Since you are touching down at idle, the extended...

Since you are touching down at idle, the extended speed brake can't be a detriment and since it's extended for all landings in the -1 performance section, I'd say it's not optional in the max...
Forum: F-15C for DCS World 06-27-2019, 01:18 PM
Replies: 84
Views: 10,818
Posted By bbrz
Difficult to tell. The -1 doesn't even mention...

Difficult to tell. The -1 doesn't even mention the use of the speed brake for max performance, crosswind or flaps up landings.
If the -1 doesn't say anything, it's up to the pilot, experience,...
Forum: F-15C for DCS World 06-27-2019, 12:41 PM
Replies: 84
Views: 10,818
Posted By bbrz
Just re-tested the F/A-18 and the F-5E and (at...

Just re-tested the F/A-18 and the F-5E and (at least) in these 2 planes the ground effect is definitely simulated.
Forum: F-15C for DCS World 06-27-2019, 11:34 AM
Replies: 84
Views: 10,818
Posted By bbrz
No, this doesn't have anything to do with the...

No, this doesn't have anything to do with the engine spool up / go around in case of the F-15.

The RPM during the approach is way above the slow acceleration area, and the difference between speed...
Forum: F-15C for DCS World 06-26-2019, 08:17 PM
Replies: 84
Views: 10,818
Posted By bbrz
And as soon as the plane is at the parking...

And as soon as the plane is at the parking position you can place fans in front of the brakes:)
Forum: F-15C for DCS World 06-26-2019, 07:25 PM
Replies: 84
Views: 10,818
Posted By bbrz
It takes about 10min for the brakes/tires to...

It takes about 10min for the brakes/tires to reach their maximum temp after brake application and it's likely that a rejected takeoff at high weight and high speed (and a max performance heavy weight...
Forum: F-15C for DCS World 06-26-2019, 01:15 PM
Replies: 84
Views: 10,818
Posted By bbrz
That's correct, but the big difference is the way...

That's correct, but the big difference is the way higher energy when aborting the takeoff. Accelerating vs decelerating, plus the very high pitch attitude during landing.
Forum: F-15C for DCS World 06-26-2019, 12:43 PM
Replies: 84
Views: 10,818
Posted By bbrz
I don't think that the brakes will come even...

I don't think that the brakes will come even close to overheating during a max performance landing, since the takeoff abort speed can be as high as 180kts (at almost MTOW).
Forum: F-15C for DCS World 06-26-2019, 10:52 AM
Replies: 84
Views: 10,818
Posted By bbrz
Correct. With the required 14° pitch up after...

Correct. With the required 14° pitch up after touchdown and no wheel brakes, the real F-15C needs a ground roll of 5500ft.
If you need the maximum landing performance you lower the nose immediately...
Forum: F-15C for DCS World 06-26-2019, 01:53 AM
Replies: 84
Views: 10,818
Posted By bbrz
I don't think that the F-15 speed brake generates...

I don't think that the F-15 speed brake generates a downward force. It's not like spoilers on a wing which reduce lift and besides that, it would make formation flying rather difficult.
...
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