some1 Posted August 20, 2016 Posted August 20, 2016 The main attitude indicator has a tendency to drift off after heavy maneuvering, just like the standby indicator. However, the horizon bar shown on the radar screen is always correct. According to the manual, both are fed from the AHRS system so they should indicate the same pitch/bank. Hardware: VPForce Rhino, FSSB R3 Ultra, Virpil WarBRD, Hotas Warthog, Winwing F15EX, Slaw Rudder, GVL224 Trio Throttle, Thrustmaster MFDs, Saitek Trim wheel, Trackir 5, Quest Pro
AG-51_Razor Posted August 21, 2016 Posted August 21, 2016 The main attitude indicator has a tendency to drift off after heavy maneuvering, just like the standby indicator. However, the horizon bar shown on the radar screen is always correct. According to the manual, both are fed from the AHRS system so they should indicate the same pitch/bank. Geeeez, I would think that if the attitude indicator is being fed it's information from an AHRS, there would be no drift or lag. I could certainly understand a mechanical gyro doing that but not a solid state gyro. [sIGPIC][/sIGPIC]
some1 Posted December 28, 2016 Author Posted December 28, 2016 The main ADI still has an accuracy of a backup vacuum gyro. Hardware: VPForce Rhino, FSSB R3 Ultra, Virpil WarBRD, Hotas Warthog, Winwing F15EX, Slaw Rudder, GVL224 Trio Throttle, Thrustmaster MFDs, Saitek Trim wheel, Trackir 5, Quest Pro
some1 Posted January 29, 2017 Author Posted January 29, 2017 (edited) Progress, in the latest open beta all three attitude indicators are equally unrealiable. :doh: Edited January 29, 2017 by some1 Hardware: VPForce Rhino, FSSB R3 Ultra, Virpil WarBRD, Hotas Warthog, Winwing F15EX, Slaw Rudder, GVL224 Trio Throttle, Thrustmaster MFDs, Saitek Trim wheel, Trackir 5, Quest Pro
Svend_Dellepude Posted January 29, 2017 Posted January 29, 2017 :D [sIGPIC][/sIGPIC] Win10 64, Asus Maximus VIII Formula, i5 6600K, Geforce 980 GTX Ti, 32 GB Ram, Samsung EVO SSD.
Fubuki Posted March 28, 2017 Posted March 28, 2017 I don't know if this is a bug or the actual F-5E have this issue, the attitude indicator will become inaccurate after some maneuvers, even you made a shallow continuous bank on one side for a while the attitude indicator will incline...
dolfo Posted March 31, 2017 Posted March 31, 2017 Old instruments do drift, you have a fast erect button next to the ADI should you wish to correct it; just note that the photo posted looks about right, ADI consistent with visual horizon and radar horizon. The standby horizon is left caged in the photo? There is a red flag showing.
MoGas Posted April 1, 2017 Posted April 1, 2017 Old instruments do drift, you have a fast erect button next to the ADI should you wish to correct it; just note that the photo posted looks about right, ADI consistent with visual horizon and radar horizon. The standby horizon is left caged in the photo? There is a red flag showing. You mean a Gyro drift! If a horizon instrument hooks up...you stay in the ground...
dolfo Posted April 1, 2017 Posted April 1, 2017 You mean a Gyro drift! If a horizon instrument hooks up...you stay in the ground... If you are still on the ground and you have a choice, then yes, of course. In our example I believe it happens after airborne, quite often too.
some1 Posted April 1, 2017 Author Posted April 1, 2017 While the attitude indicator can get inaccurate after heavy maneuvering, the one we currently have in F-5 is pretty bad. It has exactly the same error rate as the backup ADI, which, obviously, wouldn't happen in real life. Hardware: VPForce Rhino, FSSB R3 Ultra, Virpil WarBRD, Hotas Warthog, Winwing F15EX, Slaw Rudder, GVL224 Trio Throttle, Thrustmaster MFDs, Saitek Trim wheel, Trackir 5, Quest Pro
Aries144 Posted April 2, 2017 Posted April 2, 2017 Yeah, this doesn't seem correct. What's the point of a backup that experiences the same error all the time?
NeilWillis Posted April 2, 2017 Posted April 2, 2017 Well, it might be a problem, but the back up ADI needs to be uncaged! Gyro drift under heavy manoeuvreing is definitely something to be aware of. As for both instruments having identical errors - clearly not true to prototype. I'd like to test it a little more before I come to a conclusion on that. Would we go as far as declaring it a bug? I believe they behave as totally separate entities in the A-10C, so it should be possible in the F-5E3 as well. So yes, I would see that as a problem.
Aries144 Posted April 2, 2017 Posted April 2, 2017 Seems to be fixed ! Was there an update I didn't catch?
some1 Posted May 3, 2017 Author Posted May 3, 2017 It's still the same, at least in 1.5.6. Just make one 180 turn or Immelman after take off, and the ADI becomes erratic. Which is more annoying is that if the pitch information is wrong, then the radar antenna is not levelled correctly. Funny though, netiher L-39 or MiG-21 have this issue, despite being equipped with a simpler AGD-1 gyro horizon instead of integrated AHRS unit like F-5. Hardware: VPForce Rhino, FSSB R3 Ultra, Virpil WarBRD, Hotas Warthog, Winwing F15EX, Slaw Rudder, GVL224 Trio Throttle, Thrustmaster MFDs, Saitek Trim wheel, Trackir 5, Quest Pro
Justin Case Posted May 14, 2017 Posted May 14, 2017 Still present, even when flying smooth IFR it can't do the job properly. http://www.masterarms.se A Swedish Combat Flight Simulator Community.
Golo Posted May 14, 2017 Posted May 14, 2017 You know el. gyro-motor of the attitude indicators needs some time to spin up after start up? Are you giving it enough time to spin up to working condition? My F-5 startups usually last about 10 min since switching battery on with all the checks and so and I have never had problems with attitude indicators.
Justin Case Posted May 25, 2017 Posted May 25, 2017 Giving the gyros a long time for spin up doesn't help, it still topples after an IFR departure with speed below 250 knots and less than 30 degrees of bank. http://www.masterarms.se A Swedish Combat Flight Simulator Community.
cicimicikiller Posted June 12, 2017 Posted June 12, 2017 Any news on this? Attitude indicator is basically useless right now (1.5.6) Smash 1-1 | Hawk
Solid84 Posted October 15, 2017 Posted October 15, 2017 I have experienced the same issue both on 1.5 and 2.1. Main attitude indicator, backup ADI and radar antenna becomes inaccurate after several minutes of flight. I5-7600K@4,8Ghz - G Skill TridentZ 16Gb 3200 CL14 - Aorus GTX 1080TI - Samsung 950 PRO 512GB NVMe M.2 PCIe 3.0 x4 - Lenovo 24'' 1440p - Hotas Warthog - TrackIR 5 DCS 2.5 OB - M2000C - Mig21Bis - A10C - FC3 - AJS37 Viggen - F5E - AV8B N/A - F/A18 C - L 39 Albatros - Bf109 - Spitfire - P51D - Black Shark 2 - Nevada - Persian Gulf - Normandy
Svend_Dellepude Posted October 16, 2017 Posted October 16, 2017 Horizontal, high AoA maneuvers seems to generate the error faster. Maybe it's supposed to be like this, but it doesn't make it less annoying. I have experienced the same issue both on 1.5 and 2.1. Main attitude indicator, backup ADI and radar antenna becomes inaccurate after several minutes of flight. They all, AFAIK, get information from the same gyro. Someone correct me if i am wrong. [sIGPIC][/sIGPIC] Win10 64, Asus Maximus VIII Formula, i5 6600K, Geforce 980 GTX Ti, 32 GB Ram, Samsung EVO SSD.
bbrz Posted July 26, 2018 Posted July 26, 2018 Still not fixed :( Just tried, and even during a normal traffic pattern with 30° AOB turns the attitude indicator is wrong after touchdown. Pitch error of 8° after nosewheel touchdown. i7-7700K 4.2GHz, 16GB, GTX 1070
ED Team NineLine Posted July 31, 2018 ED Team Posted July 31, 2018 Hey guys, I cant replicate, can you guys give me a track? I am especially interested in seeing the error after a normal traffic pattern. Thanks! Forum Rules • My YouTube • My Discord - NineLine#0440• **How to Report a Bug**
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