P3CFE Posted May 16, 2012 Posted May 16, 2012 Beyonce fan ...so thats why the tread starter.:music_whistling: In my opinion the torque effect on the P51 is simulated in the wrong direction. With a propellor rotating to the right, during take off you should have every force acting to the left on the aircraft (Yaw left): 1) Slipstream acting on the vertical tailplane acts, forces nose left. 2) Torque pressing the left main wheel harder, causes more friction to "nose left ". 3) P-factor (down going blade producing more thrust with nose high) acts to nose left. 4) Gyroscopic effect of the prop during tail going up (90 degrees in turning direction)...also..left. I kan imagine that (with that much power and such a big prop) the procedure for a take off in a P51 asks for trim right because of this. In the simulation however, it seems that during take off every force is trying to race me to the right side of the runway, so that seems wrong to me. Hope i'm right, Hope DCS will correct to the left :smartass: Note: really a great simulator (in the build)...DCS rocks !!!
cichlidfan Posted May 16, 2012 Posted May 16, 2012 In the simulation however, it seems that during take off every force is trying to race me to the right side of the runway, so that seems wrong to me. Hope i'm right, Hope DCS will correct to the left :smartass: You have something going wrong here. If you leave the aircraft untrimmed and gun the engine, you will be off the left side of the runway in no time. If this is not happening to you then something is not configured correctly and one of your controllers is applying forces you are not aware of. ASUS ROG Maximus VIII Hero, i7-6700K, Noctua NH-D14 Cooler, Crucial 32GB DDR4 2133, Samsung 950 Pro NVMe 256GB, Samsung EVO 250GB & 500GB SSD, 2TB Caviar Black, Zotac GTX 1080 AMP! Extreme 8GB, Corsair HX1000i, Phillips BDM4065UC 40" 4k monitor, VX2258 TouchScreen, TIR 5 w/ProClip, TM Warthog, VKB Gladiator Pro, Saitek X56, et. al., MFG Crosswind Pedals #1199, VolairSim Pit, Rift CV1 :thumbup:
159th_Viper Posted May 16, 2012 Posted May 16, 2012 Hope i'm right Nope :) Novice or Veteran looking for an alternative MP career? Click me to commence your Journey of Pillage and Plunder! [sIGPIC][/sIGPIC] '....And when I get to Heaven, to St Peter I will tell.... One more Soldier reporting Sir, I've served my time in Hell......'
louisv Posted May 16, 2012 Posted May 16, 2012 You are probably over-trimming. MSI Z170A Titanium Edition mobo + 6700K CPU 32 GB G.Skill TridentZ memory 3200 MHz Sandisk Extreme Pro 256 GB SSD Samsung 950 Pro 512 GB M.2 SSD (3 GB/s) for DCS and +. HP ZR24W Monitor, EVGA GTX 1080ti FE Thrustmaster Warthog, MFG CrossWind rudder... and Oculus Rift CV1.
flightace37 Posted May 16, 2012 Posted May 16, 2012 The plane definitely behaves as you would expect for a clockwise-rotating prop. Check for severe crosswind components from the right. You might get some right pull if you trim enough right rudder while the tail wheel is in contact with the ground. This is due to the way trim is currently modeled in the sim; it moves the entire control surface instead of just the trim tab. This means that it moves the tailwheel too. Anyone want to check me on this? I don't have the time to run a test right now. Use the recommended 6 degrees right rudder trim. Realistic trim is on ED's to-do list that is hung on a wall somewhere in these forums. For now, I use no more than 2 degrees right rudder trim during takeoff. Most of the time, I leave it zeroed. - WH_Mouse
P3CFE Posted May 16, 2012 Author Posted May 16, 2012 Stand corrected Sorry, i was wrong:doh: Tried takeoff again, and you are right: Don't know what happened before, but now the P51 it is violently going to the left without correction....great !! Thanks for the replies.
Suchacz Posted May 16, 2012 Posted May 16, 2012 If I push the full throttle and leave my pony untrimmed and with no rudder input, than it will go to the left... Everything normal here Edit: You are quicker :smilewink: Per aspera ad astra! Crucial reading about DCS: Black Shark - Black Shark and Coaxial Rotor Aerodynamics, Black Shark and the Trimmer, Black Shark – Autopilot: Part 1, Black Shark – Autopilot: Part 2
Kaiza Posted May 17, 2012 Posted May 17, 2012 (edited) Sorry, i was wrong:doh: Tried takeoff again, and you are right: Don't know what happened before, but now the P51 it is violently going to the left without correction....great !! Thanks for the replies. Based on your handle I guess you are a flight eng? :thumbup: Good to see some other fish heads about. First time I've heard of a FE being into beyonce tho! Edited May 17, 2012 by Kaiza [url=http://www.aef-hq.com.au/aef4/forumdisplay.php?262-Digital-Combat-Simulator][SIGPIC]http://img856.imageshack.us/img856/2500/a10161sqnsignitureedite.png[/SIGPIC][/url]
159th_Viper Posted May 17, 2012 Posted May 17, 2012 Well then sorted eh! :doh: Why bother? Bother with what? Engaging the OP in discussion assuming that he is correct when he states that the aircraft torques to the right? Yeah right. Novice or Veteran looking for an alternative MP career? Click me to commence your Journey of Pillage and Plunder! [sIGPIC][/sIGPIC] '....And when I get to Heaven, to St Peter I will tell.... One more Soldier reporting Sir, I've served my time in Hell......'
26-J39 Posted May 17, 2012 Posted May 17, 2012 Bother with what? Engaging the OP in discussion assuming that he is correct when he states that the aircraft torques to the right? Yeah right. Hey man all i'm saying is I think the OP deserves some respect, its a ligament question, with that comes (hope for) a ligament answer.. Within your position I would think you could give some insight, not just a "nope"..
159th_Viper Posted May 17, 2012 Posted May 17, 2012 Hey man all i'm saying is I think the OP deserves some respect, its a ligament question, with that comes (hope for) a ligament answer.. Within your position I would think you could give some insight, not just a "nope".. Having regard to the nature of the issue experienced by the OP, there was no insight to give. It goes without saying that an issue as fundamental as the direction the torque forces the airframe, had it been wrong, would have been picked up and rectified long before the release of the open-beta. Novice or Veteran looking for an alternative MP career? Click me to commence your Journey of Pillage and Plunder! [sIGPIC][/sIGPIC] '....And when I get to Heaven, to St Peter I will tell.... One more Soldier reporting Sir, I've served my time in Hell......'
26-J39 Posted May 17, 2012 Posted May 17, 2012 Having regard to the nature of the issue experienced by the OP, there was no insight to give. It goes without saying that an issue as fundamental as the direction the torque forces the airframe, had it been wrong, would have been picked up and rectified long before the release of the open-beta. No insight but "goes without saying" . :doh: If a customer asks a question.. answer it.. simple. not every1 is as smart as you bud.
159th_Viper Posted May 17, 2012 Posted May 17, 2012 If a customer asks a question.. answer it.. simple. As I did, with said simplicity in mind. Now with that established, I am certain that we both agree that this particular thread has run it's course. Novice or Veteran looking for an alternative MP career? Click me to commence your Journey of Pillage and Plunder! [sIGPIC][/sIGPIC] '....And when I get to Heaven, to St Peter I will tell.... One more Soldier reporting Sir, I've served my time in Hell......'
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