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FSX PA-42 Piper Cheyenne 400LS

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FSX PA-42 Piper Cheyenne 400LS. The PA42-1000 Piper Cheyenne 400LS is a high performance pressurised turboprop corporate aircraft seating up to nine passengers and is powered by two 1000 shp AiResearch (Garrett) TPE-331-14A engines normally driving four bladed Dowty rotol propellers. This model features improved performance five blade constant speed composite MT-propellers increasing max speed to over 400 knots. Gmax model with detailed interior and full animation of major parts. Uses default B350 2D panel and VC. Layered PSD paint kit included. Model and master textures by Paul Craig.

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Probably one of the worst planes I ever downloaded. No detail. When the plane is loaded, the engine revs, and goes on its own. Even the brakes wont hold it back.
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Works fine for me and is a decent model so it is probably the way you have installed it or perhaps you don't undertand how to operate turboprops. Its often instructive to watch the CTRL E startup actions and copy them for manual starts.

If something doesn't work right the best starting point is always to try to work out what you have done wrong and eliminate those possibilities before criticising other people who generously share their efforts with us.

Many thanks for your generous efforts Paul.

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Nice work Paul! I am hoping folks here will keep improving this model and add to it's presence in the community!
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Good work Paul. Flew from Exeter EGTE to Inverness EGPE. Everything works fine. I noticed that when in virtual cockpit the engine nacelles show completely black. Minor gripe. Otherwise ok.
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Guest FSXF0zzer

Posted

Thanks for this plane. I think it's pay-ware quality. Very good. I've been looking for a free T-tailed turboprop with rounded engines for some time(Cessna has flat ones).

 

I use it with the HD upgrade for the Beechcraft VC(hbka350_hd_130408.zip) and changed the sound to something I had lying around(because the default Beech sound makes my ears pop:)).

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Guest FSXF0zzer

Posted

I noticed that when in virtual cockpit the engine nacelles show completely black.
When you're in the VC, you're actually looking at the default Beech's engines(that's why it suddenly has these exterior exhausts). So there's probably some default Beech texture that can't be found. Maybe it's really missing or the aliased folder is named differently?
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It's a nice model, but the flight dynamics need some help. For example, it has too much power, even at flight idle, to land, even dirty.

I went to the [Propellor] Section of the aircraft.cfg and changed the default:

beta_min = 15.2

to:

beta_min = 11.0 //15.2 too course //Minimum blade pitch angle for constant speed prop, (degrees)

At least with this, it allows the blade angle to get fine enough to stall the plane at idle with flaps and gear down. It also gives you a fine enough angle for a useful Beta range for taxi.

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I gave this plane one more try, by changing the porpellor settings that Allyat suggested. Also changed a file I changed for when flying another plane. My copying all the files instead of those from another plan emade this plane much more acceptable. So much so that I saved a flight using this plane. This plane isnt so bad after all.
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I don't have the "black engines" in the VC that FSXF0zzer has.

 

But I did notice that there was no VC light, and the exterior lights are very dim, even the landing and taxi lights (which those shouldn't be).

 

As well, I changed the sounds from the aliased Beech 350 to proper PW PT6A sounds.

 

Could also do with an EVP mod for the model type. As it stands now, atc_model=PA-42 or atc_model=PA42 don't work.

 

Aside from that - can't complain since it's FREE! :D

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It all works fine for me. I purchased the fsd FS9 version of the 400ls and was only disappointed when it came with 4 bladed props, which should have been 5 bladed. Excellent Aircraft and another fine job by a great builder. Thank you for the enjoyment you give us.

(I did alter my cockpit after the first flight but then i use it for a virtual airline. I'ts a bit easier with all glass and full autopilot with at).

thanks again

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Alyot, good call on the beta_min = 11.0 //15.2. I added that as well. also edited my fuel flow gain a tad so the engines react faster to fuel change.
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Hi. I looked up the ICAO for this airplane... It's listed as: PAY4 (Piper PA-42-1000 Cheyenne 400 L)

Add this line to your [Lights] section for a VC light in your aliased default VC

(don't forget to change the number "5" to the next consecutive light in your order, if it's not going to be the fifth one.)

light.5 = 4, 4.91, 0.00, 1.64, fx_vclight,

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carpentg,

Make sure you put the image bitmap (.bmp) file in the main Effects/Texture folder, not in with the other .fx files.

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This aircraft works pretty good on my computer too. I applied the CFG tweeks suggested above and it handles fine except for one item...Has anyone else had a problem with the nose wheel steering? The aircraft will turn in both directions BUT the nose wheel only turns to the left. In a right turn the aircraft turns but the nose wheel stays straight. Any idea how I can correct this would be greatly appreciated.
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[flight_tuning]

cruise_lift_scalar = 1.200

parasite_drag_scalar = 1.200

induced_drag_scalar = 1.575

elevator_effectiveness = 1.0

aileron_effectiveness = 1.0

rudder_effectiveness = 1.0

pitch_stability = 3.0

roll_stability = 2.0

yaw_stability = 2.0

elevator_trim_effectiveness = 1.0

aileron_trim_effectiveness = 1.0

rudder_trim_effectiveness = 1.0

 

I love this airplane. Thanx for the above hint. This what I did to my flight tuning to make this airplane settle down and fly right. I also backed off a little on my yoke effectiveness.

Also I will never figure out these people that come up with say a 737-700, and you look at the config file, and you see toe brakes 0.60. How in _____ are you going to stop a monster going140 MPH with only 0.60 percent of brake shoes. On the Cheyenne I have 1.60. and that helps slow down the forward thrust on the ground. I have my prop pitch handle all the way back when taxiing, and it is still too fast. I'll figure it out. I hope someone comes up with a couple more

paint jobs.

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dcmair:

 

[flight_tuning]

cruise_lift_scalar = 1.200

parasite_drag_scalar = 1.200

induced_drag_scalar = 1.575

elevator_effectiveness = 1.0

aileron_effectiveness = 1.0

rudder_effectiveness = 1.0

pitch_stability = 3.0

roll_stability = 2.0

yaw_stability = 2.0

elevator_trim_effectiveness = 1.0

aileron_trim_effectiveness = 1.0

rudder_trim_effectiveness = 1.0

 

This is a great aircraft, but this is what I did to settle it down so that it flys like a real aircraft. At least for me it was way to jittery. When these master aircraft contributors post an airplane like a 737-700, I land the airplane on a 8000' runway, 140 mph and I run off the runway trying to brake it. So I go to aircraft cfg, and it says Toe Brake=0.60. How is "H" are you going to stop a Monster doing 140MPH with 0.60 of brake power. On this airplane I set the brakeing power to 1.60, which takes care of some of the prop bite while taxiing. But I pull the prop knob down to "0" and it still wants to get out of hand. I'll figure it out. Hope someone comes up with a couple of more textures.

Sort of wish FSD would upgrade their 400 from 2004 toFSX, but they have no plans I guess at this time.

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Personally, I've had no problems with this aircraft in P3Dv3.4.22. Minor defects, but fixable. Flies very well in my opinion. Slightly over powered at lower altitudes, but shines up high. Working on some repaints for myself currently. Good job Paul.
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Flies well for me. Over powered down low, but shines up high. Minor things wrong, just fix them as you can. Great aircraft in my opinion, for freeware.
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And How these guys figure to stop an airplane with brakes=0.63 is at the other end of the runway. Change toe brakes to 1.20. ANd a 737 to at least 1.60.
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I have no idea about the two little pendants you can see looking at this aircraft show picture ( the one slowly rotating that you look at when choose the plain for free flight ).

Another strange thing is the climbing behavior: i know the turboengines are very powerful, but I'd never imagine climbing at 6kkt/min with over 300nm/h speed - is it possible in real flight with this kind of planes?

Anyway, thanks to Paul Craig for this work.

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