Superdavey97 Posted June 29, 2023 Share Posted June 29, 2023 (edited) Reported Version: v0.1.3.1 (latest) | Mods: none | Can replicate without mods? Yes OS: Windows 10 | CPU: Intel(R) Core(TM) i7-8700 CPU @ 3.20GHz 3.19 GHz | GPU: NVIDIA GeForce GTX 1650 SUPER | RAM: 16.0 GB When deploying the wallaby landing gear as soon as the animation finishes the craft experiences a jolt that can cause the landing gear or other parts to fall of if the craft is going to fast. Edited September 8, 2023 by Anth12 Link to comment Share on other sites More sharing options...
ghostlypi Posted June 30, 2023 Share Posted June 30, 2023 (edited) Reported Version: v0.1.3.1 (latest) | Mods: none | Can replicate without mods? Yes OS: Windows 11 (22H2) | CPU: i7-13700k | GPU: ASUS Tuff RTX 4070Ti | RAM: 32 GB DDR5 6000 CL 30 40 90 As the title says, I was in Munar orbit and I was deploying landing legs (the large ones) when they just broke off. Included Attachments: AutoSaveTheFirstOne6_30_202311_08AM.json Edited July 8, 2023 by Anth12 Link to comment Share on other sites More sharing options...
TripleStaff Posted July 5, 2023 Share Posted July 5, 2023 (edited) Reported Version: v0.1.3.1 (latest) | Mods: none | Can replicate without mods? Yes OS: Windows 10 Home 64-bit | CPU: AMD Ryzen 7 4700G | GPU: NVIDIA GeForce RTX 3060 Ti | RAM: 16GB Deploying landing gear caused it to break/fall off the fuselage, and made some of the engines break/fall off the wings. Spoiler Trying the same thing again with a slightly changed craft, and this time it destroyed all of the main fuselage, and resulted in a strange explosion in front of the craft. (The three "stages" might be a sign of something moving very quickly? Main culprit would be an LY-99 as only 3 of 4 are seen immediately after the RUD) Spoiler Perhaps an issue with clipping too many parts together, as the wheel assembly was a bit overbuilt. Landing gear attached to fuselage with aerodynamic tanks and nosecones around it. Doesn't explain the engines though, as those were mounted directly to the wings, yet broke simultaneously. Edited July 8, 2023 by Anth12 Changed to Imgur pics since only one was posted with the form Link to comment Share on other sites More sharing options...
LuigiPlayer1 Posted July 11, 2023 Share Posted July 11, 2023 and if you load a save the legs just break off even if they are not deployed Link to comment Share on other sites More sharing options...
Anth Posted July 11, 2023 Share Posted July 11, 2023 On 6/30/2023 at 10:26 AM, Superdavey97 said: When deploying the wallaby landing gear as soon as the animation finishes the craft experiences a jolt that can cause the landing gear or other parts to fall of if the craft is going to fast. 2 hours ago, LuigiPlayer1 said: and if you load a save the legs just break off even if they are not deployed Try not saving or deploying them until being much closer to the ground. Link to comment Share on other sites More sharing options...
Spicat Posted July 31, 2023 Share Posted July 31, 2023 (edited) Reported Version: v0.1.3.2 (latest) | Mods: none | Can replicate without mods? Yes OS: Windows 10 | CPU: Intel(R) Core(TM) i7-10700 CPU @ 2.90GHz | GPU: NVIDIA GeForce RTX 2070 | RAM: 16GB When I deploy landing legs a certain amount of forces applies to my craft. I haven't tried to replicate it but it happens to me a lot. The save file is what corresponding to the video. It was an Apollo style mission so maybe the docking that happened before might be a cause. Included Attachments: 2023-07-3123-44-47.mp4 bugphantomforces.json quicksave_18.json Edited July 31, 2023 by Anth12 Link to comment Share on other sites More sharing options...
Socraticat Posted August 7, 2023 Share Posted August 7, 2023 Sometimes the legs kick hard enough to break off another part or themselves. At the very least it causes the craft to reorient itself off heading. Link to comment Share on other sites More sharing options...
Ooferine Posted August 30, 2023 Share Posted August 30, 2023 Also happens to landing gears in atmospheric conditions, most notably with light crafts. Appears that all the drag is applied immediately when the gears reach their deployed position, instead of gradually increasing. Didn't know it happens in vacuum too. Link to comment Share on other sites More sharing options...
ccbeastie Posted August 31, 2023 Share Posted August 31, 2023 (edited) Reported Version: v0.1.4 (latest) | Mods: none | Can replicate without mods? Yes OS: windows 11 | CPU: i5 13600k | GPU: 6700 xt | RAM: 32 gb When the animation for large landing gear deployment finishes the craft gets a kick When exiting physics warp with large legs extended in proximity to the mun the ship got ripped apart Edited August 31, 2023 by Anth12 Link to comment Share on other sites More sharing options...
Spicat Posted August 31, 2023 Share Posted August 31, 2023 Is this bug similar to this:? Link to comment Share on other sites More sharing options...
Vl3d Posted September 6, 2023 Share Posted September 6, 2023 Can confirm that deploying "LT-1 Wallaroo" landing legs triggers a physics kick. Link to comment Share on other sites More sharing options...
Anth Posted September 8, 2023 Share Posted September 8, 2023 @ccbeastie @TripleStaff @ghostlypi @Superdavey97 @Spicat Merged a bunch of your bug reports into this one and made a change to the title. Link to comment Share on other sites More sharing options...
Streetwind Posted September 11, 2023 Share Posted September 11, 2023 Could you guys check on your end if the landing gear does other weird stuff when this "physics kick" happens? Such as changing its extension length? I've had that happen to me. In fact, it's been a major headache because the legs always turn out way shorter in flight than in the VAB, frequently making stable landings outright impossible. If this is another face of the same bug, feel free to merge my report into this one. Link to comment Share on other sites More sharing options...
Noobyeeter69 Posted September 17, 2023 Share Posted September 17, 2023 sometimes it makes my whole 20 ton craft spin at 20 rpm Link to comment Share on other sites More sharing options...
Redacted Posted September 22, 2023 Share Posted September 22, 2023 Of all the bugs I encounter, this is the one that is the worst, as the physics kick towards the end of the deployment cycle is ripping parts off. How do we land when the landing gear is prone to random disassembly when extending them? Link to comment Share on other sites More sharing options...
kicka55 Posted September 29, 2023 Share Posted September 29, 2023 (edited) Reported Version: v0.1.4.1 (latest) | Mods: none | Can replicate without mods? Yes OS: Windows 11 | CPU: i7 6700K | GPU: 1080 | RAM: 16 GB DDR3 Some unintentional mishap led to me floating above the surface of the Mun with just one landing leg. Suddenly, I noticed this weird behavior: When I keep opening and closing the landing leg using the G hotkey and the leg pops into place, the vehicle gets a small bump of rotation. I mean I'm not a physics expert but I think that shouldn't happen. And then, after the craft did a 180, it reverses direction!! That's when I knew something's strange in the neighbourhood! We gonna call: bug busters! Video Evidence: https://i.imgur.com/WVGJGVV.mp4 edit: I now tested it with all landing legs and wheels and it affects all except the small wheel LY-10. Not sure if it's not affecting it at all or if it's just too little for my big craft. Edited September 29, 2023 by kicka55 Link to comment Share on other sites More sharing options...
Anth Posted September 29, 2023 Share Posted September 29, 2023 @kicka55 Merged your bug report with this one. Link to comment Share on other sites More sharing options...
didkodidko Posted October 1, 2023 Share Posted October 1, 2023 In 1.4.1 too Link to comment Share on other sites More sharing options...
Sylvi Fisthaug Posted October 8, 2023 Share Posted October 8, 2023 GIF takes forever to download before it is wiewable, but this shows some of those phantom forces on the "Wombat" landing leg too. But it doesn't cause the craft to disassemble. Could it be related to the mass of the landing legs? Link to comment Share on other sites More sharing options...
markinturamb Posted October 26, 2023 Share Posted October 26, 2023 I've been having a similar issue, just tested it on v0.1.5 and it's still here To reproduce: just make a craft with a tuna can, some fuel tank and some engine. Add any rover wheel to it. Send it to the mun, with a periapsis of around 8 ~ 10km. Timewarp until you're getting there, and when you get out of timewarp near periapsis you get a physics kick that potentially dismantle the ship. Is this issue different enough that I should make a separate bug report? Link to comment Share on other sites More sharing options...
Stoup Posted October 26, 2023 Share Posted October 26, 2023 Just want to chime in that I still experience this bug as well, it's very frequent and makes landings very frustrating! Probably number 3 on my list of annoying bugs since EA launch Link to comment Share on other sites More sharing options...
Vl3d Posted October 27, 2023 Share Posted October 27, 2023 Duplicate? Link to comment Share on other sites More sharing options...
Spicat Posted October 27, 2023 Share Posted October 27, 2023 1 hour ago, Vl3d said: Duplicate? No, this one we are in is for deploying landing legs, the one you linked is when disengaging timewarp. There are also the ones on reload and on undocking (see below). They are likely to have the same cause but their reproduction steps are not the same so we didn't merge it because it's potentially not the same bug. Link to comment Share on other sites More sharing options...
SolarAdmiral Posted November 25, 2023 Share Posted November 25, 2023 Reported Version: v0.1.5.0 (latest) | Mods: none OS: Windows 11 | CPU: i7 13700K | GPU: 3070ti | RAM: 64GB DDR4 I'm also getting this pretty regularly in 1.5.0 https://imgur.com/a/G4zcXIz Here's an example. Lander going in to the Mun. Quite a few minutes after exiting timewarp from the transfer. Opening the gear blows one of them off the craft and sets it spinning. Closing and reopening the gear causes another bump, causing spinning in another direction. Time warping to stop spinning, and exiting time warp with the gear open also causes another bump. It seems once it happens, it continues to happen every time gear is opened or time warp is exited with gear open. Doesn't seem to happen with the same craft when on the pad or in kerbin's atmosphere. Link to comment Share on other sites More sharing options...
Stephensan Posted December 4, 2023 Share Posted December 4, 2023 glad to see this bug to be fixed, it has game ended some runs due to this. i ofc has had this issue Link to comment Share on other sites More sharing options...
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