WildBillKelsoe Posted March 29, 2012 Posted March 29, 2012 Can you tell if we follow the x 3 rule for descent on final approach? Here is what I wanted to ask to explain myself better: In this drawing, I want to intercept the glideslope (not Vyshe Glissade or Nyzhe Glissade) at the required (standard) speed, which I don't know. According to the manual, 280 is the landing speed, the touch wheel speed is 235 km/h. So, for a path beginning at the start of slope, say 10 km from runway threshold, I'm supposed to be 280 km/h and reduce 280-235 km/h = 75 km/h divided by 10 kilometers = 7.5 km/h vertical descent rate. How am I thinking so far? If I am correct, what is the AOA for glideslope maintenance, how often it changes at each stage above, and is it possible to maintain it with a reducing airspeed? The x 3 rule if you're a fsx simmer, or viewed the tutorial, they say it starts descent 3 times the altitude, or something like that. So if I'm at 3000, and I want to start descending, 3000 x 3 = 9000 meters = 9 km to descent on slope to reach threshold. Is that implemented in the sim? AWAITING ED NEW DAMAGE MODEL IMPLEMENTATION FOR WW2 BIRDS Fat T is above, thin T is below. Long T is faster, Short T is slower. Open triangle is AWACS, closed triangle is your own sensors. Double dash is friendly, Single dash is enemy. Circle is friendly. Strobe is jammer. Strobe to dash is under 35 km. HDD is 7 times range key. Radar to 160 km, IRST to 10 km. Stay low, but never slow.
RvETito Posted March 29, 2012 Posted March 29, 2012 You should use pitch angle instead of AOA for reference. On the other items: - depending on your gross weight your approach speed should be 320-350km/h - maintain sink rate ~4m/s - flaps FULL when speed drops to 400km/h - airbrakes as required. I prefer them deployed in order to maintain higher engine power, in case I have to go around this will help engines to go faster at take-off power if they were at approach idle. - after the inner marker beacon reduce speed to 280-300km/h - at the runway threshold (you should be at ~30m) fully cut power to idle and flare the airplane to touchdown sink rate 1-2 m/s, IAS should be around 250-260km/h When I get back home later today I will post tracks with visual and instrument approaches with light and heavy plane to illustrate all this. "See, to me that's a stupid instrument. It tells what your angle of attack is. If you don't know you shouldn't be flying." - Chuck Yeager, from the back seat of F-15D at age 89. =RvE=
WildBillKelsoe Posted March 29, 2012 Author Posted March 29, 2012 Thank you and awaiting your tracks! AWAITING ED NEW DAMAGE MODEL IMPLEMENTATION FOR WW2 BIRDS Fat T is above, thin T is below. Long T is faster, Short T is slower. Open triangle is AWACS, closed triangle is your own sensors. Double dash is friendly, Single dash is enemy. Circle is friendly. Strobe is jammer. Strobe to dash is under 35 km. HDD is 7 times range key. Radar to 160 km, IRST to 10 km. Stay low, but never slow.
RvETito Posted March 29, 2012 Posted March 29, 2012 Here they are- 2 tracks in VFR with 25% fuel and weight exceeding the maximum take-off weight 8) and same story IFR in complete fog.Su-25 landing tracks.rar "See, to me that's a stupid instrument. It tells what your angle of attack is. If you don't know you shouldn't be flying." - Chuck Yeager, from the back seat of F-15D at age 89. =RvE=
WildBillKelsoe Posted March 30, 2012 Author Posted March 30, 2012 Thank you very much for this work. I really appreciate it! Please accept my friendship request. :thumbup: AWAITING ED NEW DAMAGE MODEL IMPLEMENTATION FOR WW2 BIRDS Fat T is above, thin T is below. Long T is faster, Short T is slower. Open triangle is AWACS, closed triangle is your own sensors. Double dash is friendly, Single dash is enemy. Circle is friendly. Strobe is jammer. Strobe to dash is under 35 km. HDD is 7 times range key. Radar to 160 km, IRST to 10 km. Stay low, but never slow.
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