Hi Black Sheep,The Inertial Seperator (IS) is installed as part of the PT6 Turbine installation. It prevents contamination of the turbine from anything that could enter via the turbine air inlet. Ice, dust, bugs, rampie hats, kids.The IS Bypass Lever exists because there is a significant loss of engine torque whenever the IS is used. The next time you fly your CVan, watch your Torque value as you move the lever from "Normal" and "Bypass". You'll see the Torque value drop whenever you click the IS Lever into the "Bypass" position. The Torque value will return to its previous reading after you click the IS Lever back into the "Normal" position. CVan pilots in the World have to weigh the tradeoffs between the threat of turbine contamination and the loss of torque from using the IS.You asked if the IS provides any use in FSX. Like I described, FSX simulates the torque value changes when the IS is used. I'm sure you want something more substantial than that. I don't believe Carenado simulates any negative performance effects from ingesting the things I described if the pilot fails to use IS in the proper environment. We know using IS reduces torque, so you don't want to use it if you're at the edge of your performance envelope. OK, suckin up a rampie's hat would probably have a bad result, but I couldn't find a config file that would handle that. Maybe a gauge? Plus, it's not realstic. We don't wear hats on the flightline. But I digress...I was also curious if Carenado simulated the effects if I didn't use it properly, so I intentionally flew with it in "Normal" for 15-20 minutes through thunderstorms with heavy rain generated by REX 2.0. The turbine performance didn't seem to be affected at all. I thought it should have been, but only a pilot or Cessna's engineering could confirm if rain would do that. Other than getting the snot slapped out of it, us, (me?) by turbulence, the turbine performance was normal. Another thought is the long term effects of flying without the IS through rain. Corrosion comes to mind but, ah geez, I'm getting carried away... I'm a lifetime avionics geek, so I've never gone to work. It's always been a privilege to do that "job". Hopefully, we'll hear from some folks with different experiences than mine - especially CVan pilots. Thanks, Black Sheep - you posed an interesting question. I apologize that I got carried away with it.P.S. - I wish there was a way for REX to simulate a dust storm or something like that - I'd love to try that and other environments. Iceland volcanic-deposits? Softball-sized hail? Plague of locusts? Birdstrikes!!! Yea, REX needs a random "Birdstrike Generator" !!!It's probably a good thing that I'm not a software developer.C ya, gotta go.Mark

P.S. - I wish there was a way for REX to simulate a dust storm or something like that - I'd love to try that and other environments. Iceland volcanic-deposits? Softball-sized hail? Plague of locusts? Birdstrikes!!! Yea, REX needs a random "Birdstrike Generator" !!!It's probably a good thing that I'm not a software developer.

Mark I'm kind of wishing now that you WERE a software developer :(

I think I missed something along the way.....with this patch FSX fails to load the flight models...haven't gotten that one before so I'm rummaging through the new files to find out what could have happened. The only edit I made was adding the repaints to the new aircraft.cfg, and nothing else. All 3 files were put in their respective places they belong and the files they replaced were removed. Any ideas anyone?

If you have copied all the original repaints over to the new aircraft.cfg, each airplane entry in aircraft.cfg needs to read sim=C208_ng to match the new airfile, rather than sim=C208B. Regardsfrog

Yes, thank you, I figured that out earlier this morning, I actually just changed Bernt's file to C208B and made the old one C208B_old. Works perfectly now.

Tested it yesterday, but I had some problems in handling the plane thereafter.Maybe I'm handling the airplane not correctly, so I kindly ask if someone can help me...While on the ground before takeoff with throttle set to 0 the plane was slightly moving forward. Taxiing was too fast even with very little throttle.I had low idle set with propeller rpm full forwardOn final I wasn't able to slow below 90kts. I set throttle to 0, high idle, propeller rpm full forward, flaps 20.I kindly ask if these configurations are OK. Those were used to work before the FDE upgrade.Thanks is advance

Mmm, I really appreciate people's efforts trying to improve things for free, but I have to say that with this FDE upgrade, I find the plane feels too light and skitty to handle in the air. It's like the controls have become too sensitive and as a result there's a lot of oscillation, especially on the pitch axis, where the plane now bobs about while you're trimming it. :sad:I have found the same with the PA46 FDE upgrade, and even moreso than both of these planes with the MilViz 310R..... Perhaps Bernt is getting the numbers spot on, but for me, the feel is being lost, and all aircraft with these modified FDE are feeling just too jittery.Sorry, just my point of view on it. I've gone back to the original FDEs which I find more convincing at the core flight handling characteristics level.

I have found the same with the PA46 FDE upgrade

LOL, The flight characteristics haven't been changed at all in the upgrade....you are 'describing' something that simply isn't the case.For the other items, it's definitely not the planes fault as I finetune the planes until the RW type rated pilots are satisfied and the FSX version handles exactly like the real one, as e.g. in case of the 310 or the T-38 and F-15E.Either you have the wrong expectations about how the plane should handle or a faulty joystick setup.The feel and the personaltiy of the plane is the most important part of the FDE for me, getting the numbers right is the easy part.@StefanoMake sure in thte cfg file that your 208 is actually using the new air file! If the cfg refers to the old airfile you will run into the 'low drag' problem. (a classic problem with previously installed repaints)During taxi you have to (especially at low weigh) occasionally use beta/reverse to keep taxi speed under control, as IRL.

Bernt, thanks a lot for the new FDE. The Caravan is much more fun to fly now.

LOL, The flight characteristics haven't been changed at all in the upgrade....you are 'describing' something that simply isn't the case.

Well, I changed FSX Controller Sensitivity settings at the same time, in an attempt to get the aircraft feeling less jittery; so this must had influenced the change. So it's a "FDE upgrade" that doesn't change the handling characteristics? ..... oh, ok. :smile:Also, Bernt, I respect your work that your doing (even if I personally don't use it), however it's one thing making a perfectly objective and fair response, as you've done above; but sending me a rude, aggressive, insulting PM isn't necessary. :wink:Each to their own ........ You will never have everyone liking your work, and should expect that.Thanks and regards.

So it's a "FDE upgrade" that doesn't change the handling characteristics? ..... oh, ok. but sending me a rude, aggressive, insulting PM isn't necessary.

I love lying trolls