remcosol Posted October 24, 2015 Report Share Posted October 24, 2015 Hello Pete, It is confirmed my rudder trim offset that is causing stackshash errors . I have removed it for now , the question is why does it cause crashed. As far as I can see nothing else is (visually) moving the rudder trim . But what does the rudder (elevator and aileron ) trim actually do ? Does it just alter the rudder axis or is it a different beast all together ? I have at this moment set up my primary flight controls as raw pfc axis . Is it better or even possible to set them up in a different way and how should trim axes be setup (offset wise) in p3d or fsx. I can remember a couple off years ago I set them up as aileron/elevator /rudder axis instead of raw off axis ( don't have the offsets here at the moment) but that doesn't seem to work anymore ? Link to comment Share on other sites More sharing options...
Pete Dowson Posted October 24, 2015 Report Share Posted October 24, 2015 It is confirmed my rudder trim offset that is causing stackshash errors . I have removed it for now , the question is why does it cause crashed It's one of the many bus in Version 3 of P3D I think. Please report it on the L-M forum. But what does the rudder (elevator and aileron ) trim actually do ? Does it just alter the rudder axis or is it a different beast all together ? They are trims just like the more-used elevator trim, and used to offset small irredularities and asymmetries in thrust or surface movement. They can also help in crosswind takeoffs and landings to allow less side pressure to be used on pedals and airleons. I have at this moment set up my primary flight controls as raw pfc axis . Is it better or even possible to set them up in a different way and how should trim axes be setup (offset wise) in p3d or fsx. I can remember a couple off years ago I set them up as aileron/elevator /rudder axis instead of raw off axis ( don't have the offsets here at the moment) but that doesn't seem to work anymore ? Sorry, I don't really understand the questions here. What "raw" where? Pete Link to comment Share on other sites More sharing options...
remcosol Posted October 24, 2015 Author Report Share Posted October 24, 2015 Sorry I was not clear I think , with the question what does the trim do I meant in p3d/ fsx . Is it like in a real aircraft a trim tab etc or does it just alter the elevator / aileron or rudder position , so is the rudder trim fighting the rudder position and causing crashes . My elevator trim is working ok it's just the rudder trim for some weird reason . What offsets do you use for the primary flight controls , because there are more options I think , offset wise. I have had this kinda problem before in fsx and p3d v2+ . So I'm not convinced it is a lm issue ...? Link to comment Share on other sites More sharing options...
Pete Dowson Posted October 24, 2015 Report Share Posted October 24, 2015 Sorry I was not clear I think , with the question what does the trim do I meant in p3d/ fsx . Is it like in a real aircraft a trim tab etc or does it just alter the elevator / aileron or rudder position , You mean visually? Depends on how realistic the aircraft modelling is I suppose. But in terms of effect it should be like the real thing, probably just offsetting the position. What's the difference? Trim is trim is trim. so is the rudder trim fighting the rudder position and causing crashes No, it'll be a bug in the code. What offsets do you use for the primary flight controls , because there are more options I think , offset wise. Primary controls are axis controls, not offsets. The elevator trim is an axis control too. Rudder and Aileron trim control is done by writing to SimConnect variables "RUDDER TRIM PCT" and "AILERON TRIM PCT" but there are FS controls too -- for INC DEC and SET (SET being effectively an axis control). FSUIPC assignment uses the SimConnect variables because the controls weren't available when those were implemented. Pete Link to comment Share on other sites More sharing options...
remcosol Posted October 24, 2015 Author Report Share Posted October 24, 2015 If the rudder trim connects to sim connect which since next version ? Or does that depend on the aircraft . I have no sim connect at the moment Link to comment Share on other sites More sharing options...
Pete Dowson Posted October 24, 2015 Report Share Posted October 24, 2015 If the rudder trim connects to sim connect which since next version ? Or does that depend on the aircraft . I have no sim connect at the moment FSUIPC4 uses SimConnect for 99% of its functions. SimConnect is installed with FSX and P3D automatically. You cannot have "no SimConnect" unless you go back to FS2004 or before, or Xplane! Pete Link to comment Share on other sites More sharing options...
remcosol Posted October 25, 2015 Author Report Share Posted October 25, 2015 Hi Pete , I meant the fsx sp1/2 versions , I read somewhere on this forum that you recommend these to be installed ? Link to comment Share on other sites More sharing options...
Pete Dowson Posted October 25, 2015 Report Share Posted October 25, 2015 Hi Pete , I meant the fsx sp1/2 versions , I read somewhere on this forum that you recommend these to be installed ? Only if needed. FSUIPC will use its own installed SimConnectP3D2.dll, if possible, but on some folks systems that won't load. Also, many other addons will depend on one or the other of those two FSX versions. Pete Link to comment Share on other sites More sharing options...
remcosol Posted October 26, 2015 Author Report Share Posted October 26, 2015 Ok , thank you ! Link to comment Share on other sites More sharing options...
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