Jump to content

All Activity

This stream auto-updates     

  1. Today
  2. steve1975

    question on descent

    having a few questions about speed and altitude, I am trying to land in KLAS on runway 26R, and using the KEPEC6 approach. there are lots of specific heights not far from each other . When I am decending would I put the alt button on the KEPEC at 13000 ft and play with speed then nipzo at 9000 etc. Would I keep changing the Alt hold button for each of these as a new flyer seems like a lot on work for one person. Of if you would just put the glide scope capture alt and hand fly the plane keeping it at those altitudes
  3. Yesterday
  4. iGoApp

    iGoDispatch for IXEG's Boeing-733

    My sincere gratitude to the X-Aviation team and to the developers of the plane for their invaluable support! http://www.x-aviation.com/catalog/product_info.php/igodispatch-ixeg-737-300-p-155
  5. zpilot

    Help

    Never mind guys i got it working the issue was i typed too fast so ya
  6. zpilot

    Help

    Hello x avation n eed some help bought the new cessna 310 L i go to in stall it it says right email n account pass word cant match up i know that is false because my email n pass word work on entering the email account serriously. very frustrating process was wandering if there is any staff around that could help me out with this ??????????
  7. taildraggin68

    What did you fly today?

    I will just leave these here with no proper forum to place them.........
  8. airfighter

    are these aircrafts for xplane 11-10 or FSX

    If you are referring to those in the Download section, I think they are for previous version of X-Plane (9 or 10).
  9. R313

    Livery alterations

    I have the IXEG and am using the default United Tulip livery. I altered the livery to suit my Private Airlines. Legally, should I get the original artists permission to alter the livery (not for resale)? The livery folder does not tell who is or how to contact the artist.
  10. Litjan

    Weight and balance questions

    Hi Shabazza, you are right in that the fuel load does affect the CG. As does the payload. We - for the IXEG - try to simulate what the pilot does...which is regularly not determining how the payload is distributed, pax seated etc. The pilot simply gets a loadsheet which shows him the CG for takeoff (with the fuel being at take-off fuel level) and the CG for the zero-fuel-weight (which would be where the CG is after all fuel is burned). He (double-)checks wether this is "in limit", then enters the takeoff CG into the FMS and sets the trim accordingly. Thats it. So when you fly the IXEG 737, imagine that the "ground handling" guy gives you those figures (as a printed loadsheet). You simply punch in the numbers. I understand what you are saying - if you have a certain CG and NOW change the fuel, the CG should change...but think of it this way: You have an aircraft with at CG of 23% MAC at 100pax and 6.0tons fuel. Now you decide to take on another 2 tons - so now its 8.0. CG should change...but it doesn´t because suddently 20 pax from the back move to the front - voila, CG stays the same - even though fuel changed! What I am saying is that everything influences CG. Ultimately the pilot gets the CG for takeoff - and in our simulation you get to determine the CG yourself. It is not "calculated" by simulating fuel and weight distribution. Just like in X-Plane, you simply set it where you think it is. If you want to, you can use the real load+trim sheet for a 737-300 and figure the CG out for yourself, of course. Cheers, Jan
  11. steve1975

    Help with cruise speed

    Thank you , complicated but does help
  12. taildraggin68

    What did you fly today?

    Stretching out with the 310L..........
  13. mfor

    Help with cruise speed

    The mach number is an indicator for the aerodynamic regime you are in. It is expressed as fraction of the speed of sound in the air you are currently surrounded by and for sub sonic flight you'll want to stick below 0.8 or whatever number the manufacturer has set. The speed of sound does not change with pressure , so the mach number does not drop as you increase altitude - it does change somewhat with temperature though. For the 733 it mainly serves as ceiling that you do not want to cross. The true airspeed (TAS) is the speed at which the aircraft is moving relative to the surrounding air and can be calculated from the indicated airspeed IAS and the altitude. It is however not that important to the actual flying, since the behavior of the plane depends on the forces the air exercises, not its actual speed - as long as you don't change the aerodynamic regime. If you go from subsonic to trans/supersonic the forces change dramatically. If you combine the true airspeed with the motion of the air relative to the ground you get the ground speed, which is only important during landing/takeoff and for navigation. These days ground speed is usually provided by GPS. The (calibrated) indicated airspeed (cIAS) is the speed that is displayed on the instruments and derived from the pressure difference between the moving air (at the current speed) and the static pressure. I like to think of the (calibrated) IAS as "aerodynamic speed" because it determines the forces that the flowing air applies to the aircraft, i.e. as the air gets thinner you need to go faster (the true airspeed is higher) for the same amount of force. When it comes to flying this is the most important speed, because it tells you how the aircraft will behave: if it is low you need a large angle of attack too keep the aircraft level and are in danger of stalling if you go slower. If it is high the aircraft will be very responsive to control input and you might exceed the allowed forces of the air frame if you speed up further. The FMC in the 733 will track the IAS setting as long as it does not exceed the selected mach number. So at low altitudes you will be at 280 knots IAS and as you climb higher your true airspeed needs to go up to keep the IAS at 280 as the air gets thinner and at some point you will reach a speed that equals mach 0.72. At this point the FMC will track the mach number instead and basically keep your true airspeed more or less the same (the speed of sound will change with temperature) while the IAS drops as you get higher because the pressure goes down. On descend this is reversed: you will fly at mach 0.72 until the IAS reaches 280 and then the FMC will reduce the TAS during your descent to keep the IAS at 280. Here's a quick table of the corresponding speeds in a standard atmosphere: Altitude IAS TAS Mach Mach TAS IAS 0 280 280 0.42 0.72 476 476 10000 280 323 0.51 0.72 402 460 20000 280 375 0.61 0.72 442 333 30000 280 437 0.74 0.72 424 271 35000 280 473 0.82 0.72 415 242 40000 280 521 0.91 0.72 413 215 To get the ground speed you simply need to add the current winds to your TAS (as vectors). Looking at that table during the climb you aircraft will stay at 280 knots up until roughly FL300 - you TAS/GS will have gone up from 280 to ~437 at that point. (More precisely you'll reach mach 0.72 at 28500 where your TAS is 427.) Climbing further will cause the speed to stay at mach 0.72 and your IAS will drop to 215 at FL400 whereas the TAS/GS will only decrease slightly due to the temperature changes.
  14. steve1975

    Help with cruise speed

    Thanks , that’s why I was wondering about the ground speed . Then if I’m trying to descend using vnav will The plane speed up to 280 knots to descend or is this were I disconnect vnav and start using speed v/s etc
  15. Iain

    Help with cruise speed

    IAS in the aircraft (your big analogue speedometer) is measured by a pitot tube sticking out the side of the aircraft, the tube simply measures the pressure of the air against a sensor as you move through the air and changes this to an indicated air speed (very basic terms). Imagine you are in a car, doing 100mph, you don't know what speed your going, your blindfolded and ear muffs on, stick you hand out the window and guess the speed, about 100mph you would say. Now drive your car at 100mph across a bridge at 36'000ft, do the same test, you would probably guess your speed as 50mph, your doing 100mph, but the air is thin so it feels much less. This is why your IAS is showing 250kts only, because the air is less dense. So if you are doing 300kts IAS at 200ft above ground, and there is no wind, your ground speed is also 300, and your TAS is 300. If you go the exact same speed at 30'000ft, you ground speed is 300kt, but your IAS will only show 200kts as the air is thin and not pushing so hard against the sensor, so you have this "false" reading so to speak. On the 737, have a look at the top corner of the ND and you can see the ground speed reading, you will see while cruising at Mach 0.71 and 254kts, that your ground speed is over 400kts, so all is fine. Thats why its important not to chase after IAS as you climb and descent as you might overspeed the aircraft. You will climb at 280kts, then as you get closer to your cruise height, you will see the FMC changes from targeting IAS to target a Mach number. This is because at at 200ft, 280kts is maybe Mach 0.5, but at 26'000ft, 280kts is Mach 0.71 so it switches to Mach 0.71 at 26'000ft as you continue to climb. Your Mach then stays 0.71 as you climb, you are not speeding up or slowing down, but your IAS gets lower and lower as the air thins out, but your not slowing down If you could just keep climbing, you would get an IAS that goes all the way down to ZERO, as there is no more air, but you might be going MACH 36 like a rocket. It's hard to explain clearly, everyone is totally confused by it at some point in the virtual or real flying, but once it clicks, you will understand.
  16. steve1975

    Help with cruise speed

    I don’t understand . I know about Mach is safer than Ias. But my fmc has cruise sped at .71 mach. On th climb I’m doing 280 but on my cruise at .71 it says the ias is 254 . But I would think mach .71 would be over 300 on the ias. Then when I go into decent it want to go up in speed into 280 as the fmc says this
  17. Cebulon

    Help with cruise speed

    Mach number is a quantity that defines how quickly a vehicle travels with respect to the speed of sound. The Mach number (M) is simply the ratio of the vehicle's velocity (V) divided by the speed of sound at that altitude (a). Therefore: Mach is the division of Velocity and Altitude. So above 25000ft use Mach as said before... I usually do that so the velocity precision is better as the air is much thinner... If you fly with Knots (IAS) your actual speed would be much faster... Maybe this helps... Jet Gesendet von meinem SM-T810 mit Tapatalk
  18. steve1975

    Help with cruise speed

    I am doing my take off with VNAV and LNAV. Take off great climbs 250 to 10000 ft then FMC has itnclimb at 280 till my cruising alt of 32000. Then the fmc says it will cruise at .71 mach. Then my speed drops down to .71 Mach on the panel ad a speed of 254 knots . I looked online and it says itnshould he higher . Is the 254 knots really Mach .71 using ground speed and if so on my descent it wants 280 knots using vnav
  19. @airfighter No problems about the late reply. I did some testing myself and I think reshade had a lot to do with the problem. I was put onto a new program called "Xvision", so I completely removed reshade and also fsenhancer, and re-ran the XP installer to reinstall the default shaders and the cloud textures. The stutters and/or freezing became alot better and I could actually fly comfortably into the airport with decent FPS. I have downloaded the attached file and am just about to land in San Diego so I shall report back. But I believe there may have been some conflict with reshade & fsenhancer.
  20. Last week
  21. boeing757 800

    are these aircrafts for xplane 11-10 or FSX

    the Boeing 767 family.
  22. blocks_off

    [blocks_off 7373 First Officer] - Released

    Version 19/08/18 is released. Whilst cycling many miles in the country I had an idea - why not get the first officer to help setting the pressurisation panel standby altitude.... and so they do now - Carl
  23. @boeing253 Sorry for the late reply. Family and vacations delayed me. I've run a lot of test but hadn't any problems with stutters or freezing. My tests were on totally different machine, settings, and OS, so results might vary. In short I've seen a small drop in fps, but that was all. Anyway, I have found some unoptimized objects that might be the cause, so I would like to give a try. Download the attached file, unzip it and drop (and replace) the files into KSAN_San_Diego/objects/icarus folder. Give it a try to see if that fixes that problem, and please report back the results. KSAN_test.zip
  24. I'm wondering if these downloadable planes will work for xplane 11 or are these planes only for xplane 10 and or FSX?
  25. Hi. I've a question regarding the weight and balance popup (Ground services and pre-flight) The IXEG 737 allows setup of the ZFW and fuel distribution via that popup. And this popup also allows the input of a desired % CG position. So, I was actually a bit puzzled why you should "select" a specific % CG position which then gets translated to a TRIM setting. and why this % CG setting is completely detached from the actual fuel distribution in the other dialog. Isn't the % CG determined automatically by your weight distribution (mostly cargo and fuel)? So the TRIM value has to be calculated to be appropriate for that given % CG? I find it weird that I can simply adjust the desired % CG directly myself, without changing the fuel distribution and without IT changing the fuel distribution. It's kinda backwards. I mean, I don't have to care about a specific % CG, as long as it does not exceed my available TRIM range, right? My expectation would have been to juggle the fuel around in it's compartments and get the resulting % CG displayed and the matching TRIM setting. But changing fuel distribution does not affect the CG or vice versa in this aircraft. Is this some simulation simplification? Am I thinking too complicated? Will those values be connected at some point in development?
  26. XPJavelin

    [blocks_off 7373 First Officer] - Released

    Yes, that's the power of X-Plane !
  27. JGregory

    Issues w/ Saab 340 GPS/Radio Textures

    There is a post in the thread you linked (see this) that explains how to fix this (temporarily). The bug has been fixed on our end but the update that includes that fix has not been released yet.
  1. Load more activity
×