golfsierra2 Posted November 18, 2004 Posted November 18, 2004 I would like to see a real jet wash implemented in LockOn 1.1. The same physical model which is used for demonstrating clear air turbulences could be used. It is really unrealistic, that one can fly behind or even pass the flight path of another jet within only some hundred meters without experiencing severe gusts and instability or even a compressor stall / flame out. kind regards, Raven.... [sigpic]http://www.crc-mindreader.de/CRT/images/Birds2011.gif[/sigpic]
wsoul2k Posted November 18, 2004 Posted November 18, 2004 Re: Lock On 1.1 jet wash ?? I would like to see a real jet wash implemented in LockOn 1.1. The same physical model which is used for demonstrating clear air turbulences could be used. It is really unrealistic, that one can fly behind or even pass the flight path of another jet within only some hundred meters without experiencing severe gusts and instability or even a compressor stall / flame out. Yes this will relly make a chalenge an air-refuel mission Rodrigo Monteiro LOCKON 1.12 AMD 3.8 X2 64 2G DDR ATI X1800XT 512 SAITEK X-36 AND VERY SOON TRACKIR-4
GGTharos Posted November 18, 2004 Posted November 18, 2004 It's unlikely they'll add it to 1.1 Even the minor features requested the devs said 'can't promise it'll appear in 1.1' and jetwash is something that can be rather complex to model realistically in any way shape or form ... we're talking about adding an object that will dynamically resize itself with aircraft speed, AoA etc etc. I've seen a couple papers on wake modelling and effects. Not pretty :P Besides, aircraft do air refuelling all the time, so I doubt it's anywhere near as severe as you make it out to be - but then, I can't claim to have been in another aircraft's jetwash, so ... [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
Octav Posted November 19, 2004 Posted November 19, 2004 Well, the physics of the wake turbulence and jet wash are very complex - I would suspect that calculating those for every aircraft would half your framerate, at least - and don't forget that they go on for miles. The actual wake turbulence, which may cause some problems, comes from the wingtips, those may cause some serious flow disturbances on an airfoil. Regarding the engines, an engine nozzle is designed to exhaust the jet at a pressure equal to that of the enviromen - that's the point where you get maximum thrust, so that means the jet exhaust doesn't create a lot of turbulence, and it is a pretty straight path, dissipating it's remaining energy pretty fast. Of course, passing through it an a very close range (tens of meters), won't be a pretty experience. But, to model the compressor surges associated with the ingestion of combustion gases, a toally new engime nodel must be created - the current one doesn't seem to model that. You can go to the extremes, ingest rocket motor exhaust gases, and the engine rpm won't move a bit. Plus, most current engines (I'm sure about the AL-31 and the RD-33) have automatic surge protection devices, and the engine might ingest loads of gases, and go to several surges, without the pilot noticing it - the system is very effective, injecting oxygen in the combustion chambers, modifying the compressor geometry, and switching the ignition on as necessary, so that you will know about the surge only when you read the FDR, on ground. And, on a severe surge, you might feel a little loss of traction, accompanied by a small rmp drop. Octav
169th_Jaws Posted November 19, 2004 Posted November 19, 2004 Jetwash, now THIS would be an awesome addition. Shame it sounds so complex to model but I guess it's more than understandable. Just when you thought it was safe to go back over the water... Flight Lieutenant "Jaws" 169th Panthers
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