Any improvements in the aerodynamics of the upcoming NGX vs. the real NG? J. noulet

Well, I don't think you'll be needing a versus in that sentence!I think you'll be able to able to put an equal sign between the ngx and the real NG! :(

Oh gen, i think your going to get flamed!!:Pflight dynamics will be the best they can possibly be for flight simulator

I don't need assumptions to my original question and would much prefer that somebody on the PMDG development team answer this question in regard to the replication of the aerodynamic forces. Will the NGX use aerodynamic theory to predict the force on each airfoil based on lift and drag coefficients etc. etc.? I find flying a real level D sim much harder than flying the PMDG 737 NG and I'm just curious as to how accurate the flight model will be in relation to the real NG..Jack Noulet

I don't need assumptions to my original question and would much prefer that somebody on the PMDG development team answer this question in regard to the replication of the aerodynamic forces. Will the NGX use aerodynamic theory to predict the force on each airfoil based on lift and drag coefficients etc. etc.? I find flying a real level D sim much harder than flying the PMDG 737 NG and I'm just curious as to how accurate the flight model will be in relation to the real NG..Jack Noulet

Sorry Jack if this is another assumption but I believe the aerodynamic theory went hard coded into the FS engine. I am sure the add on developers will do everything FDE-wise to get the most out of it so you can expect the thing to fly pretty close to the numbers, especially after all the announcements that have been made by the dev teams. No need to worry about that I guess.Oh, and while they might have own pitfalls I actually find to fly level D sims to be a lot easier in fact, simply because you get rid of all FS limitations altogether, plus you get the best visuals, best hardware and motion you could probably get... :( Yeah, I'd definately prefer to fly a level D over FS at all times haha. Regards

Jack-I can't quite put my finger on it- but there is something about the tone and/or manner of your question that makes me not care to answer your question thoughtfully...But since you asked: We decided to use blade element theory on this project- so we pulled my Kubota BX23 garden tractor out of the shed, and did a very careful study of the lift characteristics of the lawn blades underneath...The NGX will match it perfectly- even in tall grass.

My sincerest apologies for the manner in which I phrased my question. Would it be possible to have an answer to my question concerning the aerodynamic theory that went into the NGX. If this is proprietary, then I understand your use of the blade element theory..:)jack noulet

I don't need assumptions to my original question and would much prefer that somebody on the PMDG development team answer this question in regard to the replication of the aerodynamic forces. Will the NGX use aerodynamic theory to predict the force on each airfoil based on lift and drag coefficients etc. etc.? I find flying a real level D sim much harder than flying the PMDG 737 NG and I'm just curious as to how accurate the flight model will be in relation to the real NG..

Jack, for what it is worth .. my experience has been just the opposite to yours. I find Level D very stable and quite easy to fly, maybe because I am used to flying all kind of small Cessnas in real life which are far from stable. Also I think you are confusing FS with X-Plane. It is the latter that uses the blade element theory (aerodynamic theory) in its simulation. Whatever you like about the Level D flight modeling it is the same FS flight engine done through a look-up table method - the same that PMDG uses and everybody else that makes aircraft for the FS. But if you read this forum you should know that using the method adopted by X-Plane in itself is no guarantee for better results.

I'm pretty sure Jack is talking about real level D simulators - the actual sims airline pilots train in, not Level D the FS addon company.Jack, in all seriousness, the man on our team who is in charge of this creates flight modelling for real life aviation applications in his "day job" - he has a PhD in computational dynamics - it's going to be as accurate as it can possibly be within the confines of FSX. There's numerous things you're going to get in a real sim that aren't possible to simulate in FS, at least without many thousands of dollars in home cockpit hardware. The "throw" of the yokes, the motion cues, peripheral vision etc - all of that plays into why a real full motion sim or a real plane is always going to feel different from FS. We are absolutely doing our best to match it as closely as we can - there are multiple active 737 line pilots and engineers helping us right now on our tech team and it won't be released until they're happy with how it flies compared to what they do every week in the real thing.

I'm pretty sure Jack is talking about real level D simulators - the actual sims airline pilots train in,

Ooops, I admit I could have misread his post badly.

we pulled my Kubota BX23 garden tractor out of the shed, and did a very careful study of the lift characteristics of the lawn blades underneath...

I am glad we got that straightened out... ROTFLMAOBut Kubota???Cheers,

I'm pretty sure Jack is talking about real level D simulators - the actual sims airline pilots train in, not Level D the FS addon company.Jack, in all seriousness, the man on our team who is in charge of this creates flight modelling for real life aviation applications in his "day job" - he has a PhD in computational dynamics - it's going to be as accurate as it can possibly be within the confines of FSX. There's numerous things you're going to get in a real sim that aren't possible to simulate in FS, at least without many thousands of dollars in home cockpit hardware. The "throw" of the yokes, the motion cues, peripheral vision etc - all of that plays into why a real full motion sim or a real plane is always going to feel different from FS. We are absolutely doing our best to match it as closely as we can - there are multiple active 737 line pilots and engineers helping us right now on our tech team and it won't be released until they're happy with how it flies compared to what they do every week in the real thing.

Thank you very much Ryan. I appreciate your comments in regard to the upcoming release of the NGX and look forward to many hours of study/flying...Regards,jack noulet

I've always wandered how flight dynamics are modelled correctly in fs. As mentioned in another thread by someone else some sort of 'the making of PMDG Boeing 7XX' videos would be really cool. '

Jack-I can't quite put my finger on it- but there is something about the tone and/or manner of your question that makes me not care to answer your question thoughtfully...But since you asked: We decided to use blade element theory on this project- so we pulled my Kubota BX23 garden tractor out of the shed, and did a very careful study of the lift characteristics of the lawn blades underneath...The NGX will match it perfectly- even in tall grass.

Good to know. Now I´m more confident if brake failures strikes my plane

I don't need assumptions to my original question and would much prefer that somebody on the PMDG development team answer this question in regard to the replication of the aerodynamic forces. Will the NGX use aerodynamic theory to predict the force on each airfoil based on lift and drag coefficients etc. etc.? I find flying a real level D sim much harder than flying the PMDG 737 NG and I'm just curious as to how accurate the flight model will be in relation to the real NG..Jack Noulet

Jack,Having written aerodynamics simulation software for real Level D sims I can assure you that aerodynamic theory has little to do with them either. It's all based on data look-up tables, as provided by Boeing. Real sims work more or less like MSFS, except that there are many more parameters involved and much higher fidelity data. Ironically, you might find "real" aerodynamics, or an approximation to it, in lower level training devices built without manufacturer's data.Kevin