

Fishbreath
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Everything posted by Fishbreath
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Help wtih Level bombing M71 High Drag CCIP
Fishbreath replied to sgtpancake's topic in DCS: AJS37 Viggen
NAV is the correct mode for CCIP. You only get the CCIP symbology when you go trigger unsafe, and (as mentioned) you have to be quite low to the ground. You can see a CCIP attack in this video, starting at about 33:00. -
Struggling to Understand Landing HUD Symbology
Fishbreath replied to Weegie's topic in DCS: AJS37 Viggen
If you follow the TILS directional guide all the way in, you'll be lined up with the center of the runway about 900 meters from the threshold. You can turn slightly onto the threshold at that point, and it's much easier for me to follow both directors all the way down to there. -
I've never seen the trim work before the engine is on, and have never seen it fail to work after the engine is on, myself.
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Aha. I see now why it didn't work for me.
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Viggen in Depth - 02 - ARAK Pop-Up Attack
Fishbreath replied to Cobra847's topic in DCS: AJS37 Viggen
I can verify this no longer works in the current beta version. TAKT IN 180070 used to make a popup point 7km north of the target; now it only sets the waypoint as a target and doesn't seem to properly create a popup point. -
I had a similar problem with high-drag bombs landing long in CCIP.
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Viggen in Depth - 02 - ARAK Pop-Up Attack
Fishbreath replied to Cobra847's topic in DCS: AJS37 Viggen
Is the popup distance bug new in the latest patch? At original release, I was able to enter <10km distances provided I entered a full six digits, e.g. 180075 for 7.5km, or 180070 for 7km. -
The UK DAMPNING knob on the left vertical panel (just aft of the throttle, I believe) turns it down.
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I presume that's why the BK 90 checklist says to set target QFE, so that you can launch even against targets up or down a slope. You can also launch from along a ridgeline, or along the equal-altitude contour. There aren't a lot of tall, isolated elevations in Georgia, or, for that matter, Sweden.
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While we're at it, it would be nice if the atmosphere scripting environment object had a getQFE(Vec2 point) function.
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I'm pretty sure you don't need to enter coordinates. IIRC, 'blank' waypoints just have the coordinates from the most recent actual waypoint by default, per manual/automatic waypoint selection on p. 132 of the manual. (That is to say, I'm pretty sure Einherjer's procedure is the fastest, safest way). I haven't tested it, but the CK37 might not even treat waypoints without pre-entered coordinates as part of the flight plan, so it may be safe to fix directly on a blank waypoint, then convert it to a target. Safest to convert to a target first, though, I suppose, if that's possible. As for QFE, you can get within 10 meters by overflying your target and noting the difference between the radar altimeter on the HUD and the standard altimeter. It does require flat ground to make the adjustment, or a knowledge of the meters-per-mbar ratio for the current temperature. (It's about 7-8 meters per mbar.) Obviously fraught with error, but the aircraft really doesn't have much in the way of features for this sort of thing.
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Bug: Temperature effects Target Indicator an Aiming
Fishbreath replied to Mr. M's topic in Bugs and Problems
Is that to say we have to correct for temperature by hand, and that the pressure settings on the kneeboard are correct for ISA only? -
You can watch that at the end of this video, where the final starts at about 46:00. The approach looks very odd if you're used to normal straight-in approaches (as most of us sim pilots are; on my first two TILS landings, I thought I was doing it wrong).
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I had a failure using the group-attack preset myself—after turning at Bx7, the missile hit the water.
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The BK90 has an internal radar altimeter. It'll affect dumb munitions, but not the smart ones.
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Believe me, I understand—on my first three or four TILS approaches, I had the exact same problem. "This can't possibly be what it wants me to do!" etc. :P
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So I ran a quick test mission (sorry about my cough). Flip-flop works as expected after all; either I wasn't paying attention to the CI when I switched before, or I was doing something wrong. The video also includes a rather poor approach and landing, since I've never flown a short approach or a clean approach before, which shows the how the TILS will first swing you past the threshold toward the offset approach, then bring you back to the three-degree line.
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I haven't tried since the most recent patch. I'm going to shoot an approach in a bit. bart, TILS is definitely working. It may be that you're trying to line up too directly, and the system is directing you quickly back to the oddball TILS off-angle approach. Three degrees doesn't sound like a lot, but it looks like a ton.
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Let me set up a test mission to verify. (Note the manual seems to say the flip-flop selects LF, which is evidently misleading.)
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I believe so—the commanded descent is based on barometric altitude, so presumably the Swedes didn't want to let you mistakenly watch the wrong altitude. As for drift error, that may have been it—if you're at the edge of the TILS signal, where it only tells you what side of the runway you're on, and additionally, if the nav system thinks you're on the other side of the runway, the commanded flight path is 45 degrees off the centerline toward the center of the TILS signal, to ensure that you get to correct guidance quickly.
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I've had no trouble. The TILS glideslope is 3 degrees right of the runway. If you're to the left of the TILS slope (lined up on the runway centerline, for instance, if you follow the LB circle all the way around), the aircraft will generate steering commands to take you to the glideslope. The HUD symbology will therefore be to the right of the runway, and your flight path will be to the right of the extended centerline on the central indicator. Follow the HUD symbology, and eventually, it'll steer you back toward the runway centerline. The descent point is fairly close to the runway, only about 12km out, too. You can see that process in my video here, at about 44:31. If you're following the same procedure, then I'm not sure what's going on for you. I haven't had any TILS issues at Senaki, Kobuleti, or Sochi—maybe try one of those to be sure?
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Radar stick and the Maverick sight pitch axis
Fishbreath replied to Fishbreath's topic in Bugs and Problems
Do you have a source for this? -
I believe it's on the stick, directly beneath/behind the safety bracket. It's the same button you use to set a new reference altitude in flight.
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That's correct. As far as I know, the license-built Swedish Sidewinders are pretty much identical to the American originals.
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From the Sanders Smoke Technologies website, on the Smokewinder: So not only are no special avionics required, any aircraft which can fire a Sidewinder can easily be equipped to run air show smoke.