greyseal494 Posted August 10, 2023 Share Posted August 10, 2023 (edited) bug or not? Edited August 10, 2023 by greyseal494 Link to comment Share on other sites More sharing options...
ED Team BIGNEWY Posted August 10, 2023 ED Team Share Posted August 10, 2023 Hi, please only report one issue at a time, I have moved this thread to the F-15C section, please attach a short track replay example of what you think is wrong and we will take a look. For issues related to the F-15E you should visit the RAZBAM froum section here https://forum.dcs.world/forum/216-f-15e/ 1 Forum rules - DCS Crashing? Try this first - Cleanup and Repair - Discord BIGNEWY#8703 - Youtube - Patch Status Windows 11, NVIDIA MSI RTX 3090, Intel® i9-10900K 3.70GHz, 5.30GHz Turbo, Corsair Hydro Series H150i Pro, 64GB DDR @3200, ASUS ROG Strix Z490-F Gaming, HP Reverb G2 Link to comment Share on other sites More sharing options...
draconus Posted August 11, 2023 Share Posted August 11, 2023 18 hours ago, greyseal494 said: bug or not? Please, take an effort and describe the issue thoroughly. 1 Win10 i7-10700KF 32GB RTX3060 Rift S T16000M TWCS TFRP FC3 F-14A/B F-15E CA SC NTTR PG Syria Link to comment Share on other sites More sharing options...
greyseal494 Posted August 12, 2023 Author Share Posted August 12, 2023 Well, I never flew a jet but I used to fly little airplanes. I use the same procedure. Reduce power, point the nose up and wait for the break. It never really happens in the Eagle. You just get some kind of tail slide or falling leaf maneuver. Seems to me, and I may be wrong, but shouldn't the nose drop? Link to comment Share on other sites More sharing options...
greyseal494 Posted August 13, 2023 Author Share Posted August 13, 2023 Surely the USAF teaches stall recovery for F-15 pilots... Link to comment Share on other sites More sharing options...
draconus Posted August 13, 2023 Share Posted August 13, 2023 Have to agree that no matter what I couldn't get it to spin either even low speed, high alpha, cross controls and CAS off. Win10 i7-10700KF 32GB RTX3060 Rift S T16000M TWCS TFRP FC3 F-14A/B F-15E CA SC NTTR PG Syria Link to comment Share on other sites More sharing options...
draconus Posted August 14, 2023 Share Posted August 14, 2023 11 hours ago, greyseal494 said: Surely the USAF teaches stall recovery for F-15 pilots... There's not much to learn, btw [from manual]: - don't touch the throttle (engine stall risk) - controls neutral - retract speedbrake - if no control regained under 10k ft - eject So I didn't find anything on spins in the Eagle. 1 Win10 i7-10700KF 32GB RTX3060 Rift S T16000M TWCS TFRP FC3 F-14A/B F-15E CA SC NTTR PG Syria Link to comment Share on other sites More sharing options...
Ironhand Posted August 14, 2023 Share Posted August 14, 2023 On 8/10/2023 at 10:45 AM, greyseal494 said: bug or not? Not. According to the real world manual, with CAS on or off, you will not get a nose drop. There will be no spin. You might get some wing rock and yaw until you release the stick. 2 1 YouTube Channel: https://www.youtube.com/channel/UCU1...CR6IZ7crfdZxDg _____ Win 10 Pro x64, ASUS Z97 Pro MoBo, Intel i7-4790K, EVGA GTX 970 4GB, HyperX Savage 32GB, Samsung 850 EVO 250 GB SSD, 2x Seagate Hybrid Drive 2TB Raid 0. Link to comment Share on other sites More sharing options...
ED Team BIGNEWY Posted August 14, 2023 ED Team Share Posted August 14, 2023 Hi, from what I can see this is correct as is, if you have unclassified public evidence it should be different please PM. thanks 1 Forum rules - DCS Crashing? Try this first - Cleanup and Repair - Discord BIGNEWY#8703 - Youtube - Patch Status Windows 11, NVIDIA MSI RTX 3090, Intel® i9-10900K 3.70GHz, 5.30GHz Turbo, Corsair Hydro Series H150i Pro, 64GB DDR @3200, ASUS ROG Strix Z490-F Gaming, HP Reverb G2 Link to comment Share on other sites More sharing options...
GGTharos Posted August 15, 2023 Share Posted August 15, 2023 On 8/14/2023 at 8:51 AM, BIGNEWY said: Hi, from what I can see this is correct as is, if you have unclassified public evidence it should be different please PM. thanks There is a lack of yaw/roll coupling, but this is DCS-wide. This probably affects the amount of stability based on various factors, and is easy to test by applying the auto-roll conditions, you'll see that you cannot produce an auto-roll. 1 [sIGPIC][/sIGPIC] Reminder: SAM = Speed Bump :D I used to play flight sims like you, but then I took a slammer to the knee - Yoda Link to comment Share on other sites More sharing options...
henshao Posted December 4, 2023 Share Posted December 4, 2023 You can easily put the Eagle into a flat spin with split throttles in a stall, although I haven't tested to see if full rudder/opposite stick will induce a stall Link to comment Share on other sites More sharing options...
Buzz313th Posted December 4, 2023 Share Posted December 4, 2023 (edited) On 8/14/2023 at 5:51 AM, BIGNEWY said: Hi, from what I can see this is correct as is, if you have unclassified public evidence it should be different please PM. thanks There are interviews and books where retired F15 pilots talk about the spin characteristics of the eagle. I'm sure just reaching out to them will give you the unclassified data needed to model this better. I spent an hour last night trying to learn what triggers the code in the FC3 Eagle to spin without asymmetric throttle and the best method I found to get it to depart was with a nose higher than 45 degrees and get it into a tailslide with neutral stick and full rudder or full cross control. This flight profile put the eagle into a high yaw rate AND put airspeed below 30-50 KCAS, which felt like it triggered something that started a simulated model of departed flight, which resulted in a flat spin. Recovery early in the spin can be accomplished by opposite rudder neutral stick. As yaw rate increases, asymmetric thrust is needed to recover. During my attempt to spin the Eagle.. I could not get it to depart with the nose between level and 45 degrees high. Accelerated stalls and shallow spin entry resulted in what felt like the onset of a spin, but the yaw rate would dampen, forward velocity would increase and the airframe would casually recover even though I was doing everything I could to get it to depart. Later on in the test flight, I started working on recovery of unusual attitudes and in a nose low self induced "Washing Machine", I picked my head up and I was in a flat spin. I honestly have no idea what attitude I put the simulated F15C in that caused it to depart nose low. So it will spin, it will depart, but based on what I have read, it seems it shouldn't be that difficult to get it there. Edited December 4, 2023 by Buzz313th Rig Specs: Win11, 12900k@3.9-5.2, RTX4080, 64G DDR5@4800, Quest3@4800x2600 (Oculus Link Cable On Link, no VR tweaks) DCS World: MT 2.9 with CPU Core #8 Disabled Module Proficiency: F-15C, A-10CII, F-16C, Modules Owned NOT Proficient: The rest of FC3, F-18C Terrain Owned: NTTR, DCS World Included Maps Link to comment Share on other sites More sharing options...
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