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J41 landing problem

Featured Replies

For some reason, I can't seem to get the J41 to slow to a complete stop on the runway without applying the brakes. Even if I slow it down to a crawl, when I release the brakes it just carries on inching forward forever. I know for a fact that this was not the case a short time ago, so does anyone have any idea as to what might be causing this? Even more importantly, how do I solve the problem?

Christopher Low

AMD Ryzen 7 9800X3D CPU / 64GB DDR5-6000 RAM / 12GB Nvidia RTX 4070 Super GPU / Gigabyte X870E Aorus Elite Wifi 7 / 1+2TB Samsung Evo Plus M2 Nvme

UK2000 Beta Tester

For some reason, I can't seem to get the J41 to slow to a complete stop on the runway without applying the brakes. Even if I slow it down to a crawl, when I release the brakes it just carries on inching forward forever. I know for a fact that this was not the case a short time ago, so does anyone have any idea as to what might be causing this? Even more importantly, how do I solve the problem?
condition levers to idle?

I7-8700k,Corsair h1101 cooler ,Asus Strix Gaming Intel Z370 S11 motherboard, Corsair 32gb ramDD4,, gtx 1080ti Card,  RM850 power supply

 

Peter kelberg

If you read the manual you will see it explained many times that even with the power level set to idle, the blades still produce alot of thrust (30% torque I seem to remember?). This is an important factor when descending as well, since your engines will be producing significant forward thrust even on idle, and may result in a "too high and too fast" condition when on approach and you wont be able to slow it down. I suppose you just need to set your parking brakes when you actually are parked :)

Andreas Stangenes

http://www.youtube.com/user/krsans78
Add me on gamertag: Bullhorns78

  • Author

If you read my post carefully, you will see that I stated that the plane used to slow to a stop during rollout. Something has happened to change that, but I don't know what!

Christopher Low

AMD Ryzen 7 9800X3D CPU / 64GB DDR5-6000 RAM / 12GB Nvidia RTX 4070 Super GPU / Gigabyte X870E Aorus Elite Wifi 7 / 1+2TB Samsung Evo Plus M2 Nvme

UK2000 Beta Tester

Once you are down and slowed you can always place the condition (not the power levers, they should already be in idle after coming out of reverse...) levers to TAXI, thus reducing the max torque to 72%. And why don't you want to use the brakes? Isn't that what they are there for? ;)I must admit, I try and keep rolling to the turn off, or slow to a speed allowing a 180

Andrew Entwistle

You mean it reduces the RPM to 72%, not max torque.Just try and make 72% torque with the condition levers in taxi :(

Jay Vorkapic

 

pmdg_trijet.jpg

If you read my post carefully, you will see that I stated that the plane used to slow to a stop during rollout. Something has happened to change that, but I don't know what!
I read your original post carefully and apart from saying that you know something to be a fact which contradicts what everybody else is saying, nowhere do you say what it is you changed. Perhaps you used to land into a headwind sufficient to overcome the props normal torque and now it has died down? Another possiblity is that it used to be broken and you have accidentally fixed it? There is, of course, an outside chance that you were in fact remembering the behaviour of a different aircraft and there is, actually, no problem to solve?

Paul Smith.

Thanks Jay, sorry... of course I mean max rpm is limited to 72%... I was in the office when I wrote that, the real world one, not my chosen virtual office...Glad someone was awake :(Andrew

Andrew Entwistle

  • Author
There is, of course, an outside chance that you were in fact remembering the behaviour of a different aircraft and there is, actually, no problem to solve?
I only fly three aircraft in FSX.....the default Beechcraft Baron, the Flight1 Mustang, and the PMDG Jetstream 4100. I do not have a habit of confusing one aircraft for another, so that theory can be safely dismissed.
I read your original post carefully and apart from saying that you know something to be a fact which contradicts what everybody else is saying, nowhere do you say what it is you changed
It is a fact that my Jetstream 4100 used to roll to a stop on its own after I had slowed it down (using the brakes, Andrew :(). I can only assume that something has changed since then, but I do not know what.
Once you are down and slowed you can always place the condition (not the power levers, they should already be in idle after coming out of reverse...) levers to TAXI, thus reducing the max torque to 72%
This makes me wonder if the condition levers used to be moved to the TAXI position automatically in the past after I had slowed down (maybe after disengaging the reverse prop pitch). Is that possible? I have noticed recently that the condition levers are always in the FLIGHT position when I load the plane at the runway threshold, but previously they could have been in the TAXI or FLIGHT position, depending on what mood FSX was in that day!

Christopher Low

AMD Ryzen 7 9800X3D CPU / 64GB DDR5-6000 RAM / 12GB Nvidia RTX 4070 Super GPU / Gigabyte X870E Aorus Elite Wifi 7 / 1+2TB Samsung Evo Plus M2 Nvme

UK2000 Beta Tester

The condition levers for take off and landing should always be in FLIGHT, ie fully forward. TAXI limits the rpm to 72%, though they do not automatically revert to this setting, you have to put them there manually...Do you load the plane engines running, ie straight over a default flight (Cessna or trike) with engine running?With my Saitek Pro Flight setup, the CL are always at the setting of the blue lever (prop rpm)... the red mixture setting lever is redundant in the JS4100 in my case... one of these days I might get to mapping things differently or getting a second lever set...Andrew

Andrew Entwistle

  • Author

When I installed the Jetstream for the first time, I loaded it on the runway threshold at Swansea with the engines running. The condition levers were in FLIGHT mode. I saved that flight, and now I use this as the base for loading the Jetstream every time. I simply load this flight, and then change the location/date/time etc. Like I stated in my previous post, even though the save was made with the condition levers in FLIGHT mode, FSX loaded the save with them set to TAXI mode now and again (this is what I mean about FSX being rather "fickle").....until recently. Now they always seem to be set to FLIGHT mode when I load this file.Anyway, it isn't a big issue. I suppose that I could always create another saved situation directly from the main screen, but that would require me to set up the entire aircraft again for comfort (seat position, trim, fuel load, passengers etc). I think I prefer to stick with the one that works for now! :(

Christopher Low

AMD Ryzen 7 9800X3D CPU / 64GB DDR5-6000 RAM / 12GB Nvidia RTX 4070 Super GPU / Gigabyte X870E Aorus Elite Wifi 7 / 1+2TB Samsung Evo Plus M2 Nvme

UK2000 Beta Tester

Do you use a separate axis on a yoke or something for the condition levers, or just the keyboard, because it could be that...Anyway, all the best...Andrew

Andrew Entwistle

  • Author

I use a CH Flightstick Pro joystick to fly the plane, but I don't have the operation of the condition levers assigned to any buttons. That is reserved for reverse propellor pitch and brakes :(

Christopher Low

AMD Ryzen 7 9800X3D CPU / 64GB DDR5-6000 RAM / 12GB Nvidia RTX 4070 Super GPU / Gigabyte X870E Aorus Elite Wifi 7 / 1+2TB Samsung Evo Plus M2 Nvme

UK2000 Beta Tester

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