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justinxfan

Airbus A340 refuses to take off

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Hi! Can someone help me? I got a A340 by CLS and at about 200 knots, I push my down button on my keyboard all the way back, but the plane refuses to go to the skies. It worked before but now it doesn't. I ended up crashing and ending my flight. Can someone help?

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Maybe you forgot to set (elevator)  trim high enough before departure !

 

Also, without joystick imho it is easier to use the mouse (Ctrl-Y) to steer and fly the aircraft then use the keyboard,

 

Guy

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I'm getting a joystick within this month or so, first need to make some money from delivering newspapers and yes, I got flaps on 3/15.


And how and why does the elevator need to be set


And how do you use mouse to steer?

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Elevator trim must be set before departure to be able to rotate the aircraft.

I don't know to what exact value for this aircraft  but set it up.

(normally something like 1.8-2.4 for an airbus)

It can be set with the keyboard Numpad keys 7(up,I think) and 1(down).

 

To use the mouse do CTRL-Y .

A large "+" will appear on your screen.

And then move the mouse (left,right,up,down)

You can also use the mousewheel to set thrust.

It's quite easy.

I use it all the time on my laptop.

 

Guy

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Elevator trim must be set before departure to be able to rotate the aircraft.

I don't know to what exact value for this aircraft  but set it up.

(normally something like 1.8-2.4 for an airbus)

It can be set with the keyboard Numpad keys 7(up,I think) and 1(down).

 

To use the mouse do CTRL-Y .

A large "+" will appear on your screen.

And then move the mouse (left,right,up,down)

You can also use the mousewheel to set thrust.

It's quite easy.

I use it all the time on my laptop.

 

Guy

 

First I must correct the information I gave yesterday:

 

To set Elevator TRIM wit the keyboard Numpad keys : 7=down and 1=up

Set it to 1.8 up for the A340

 

Concerning the MOUSE (Ctrl-Y) :

 

The movements are the same as with a joystick :

Left/Right to go left/right  , Forward to go down and Backward (Towards yourself) to go up.

 

As there is no Rudder command, it is good practice to set AUTORUDDER ON in the Fsx realism settings when using the mouse.

 

Guy

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Another  rectification or precision :

 

To ACTIVATE the MOUSE you have to :

 

- first  activate the joystick by CTRL+K  (even if you have none !)  and then only

- activate the mouse by CTRL+Y

 

Otherwise the mouse will not work .

Excuse me for forgetting this .

This time it's complete ! :rolleyes:

 

Guy

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Some addon aircraft will not leave the ground if folding wings are in the aircraft.cfg file and you've mapped keys to toggle them on and off. Try removing the folding wings section from the aircraft.cfg file... If it's there.

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Try removing the folding wings section from the aircraft.cfg file... If it's there.

I'd say that's highly unlikely, why should it be there on an A340?

What I've experienced with the CLS 767 is quite similar, it didn't even want to take off at 300 kts once, because I forgot to set the elevator trim.

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Press the Z key to turn the autopilot off... It's happened to me on several aircraft, and the side effect of having it ON on the ground is not able to control pitch.

 

Diego

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Press the Z key to turn the autopilot off... It's happened to me on several aircraft, and the side effect of having it ON on the ground is not able to control pitch.

 

Diego

But on the defaulkt 737 it lets me take-off by autopilot. Even if I disengage autopilot and pull back, it still doesn't go.

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On many FS  aircraft (all default for example) when you set AP ON before take-off,  it is AUTOMATICALLY TRIMMED  very HIGH.

So mostly you will take-off very quickly this way.

 

In the REAL world take-off is NEVER done with AP on.

The lowest AP can be engaged is generally 400 ft agl (depending on type)

 

As has been said now several times, the reason of your problem is most surely elevator TRIM setting. If elevator trim is not set high enough, you will not be able to ROTATE. This is perfectly normal behaviour on large aircraft

 

The TRIM setting in an airbus is shown on the PEDESTAL besides the trim-wheel and also on the lower ECAM in the Fctl synoptics page.

Set it to  1.8 up before take-off.

 

Guy

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Surprised nobody has asked what the gross weight and fuel load is, chances are he is trying to depart well above MTOW.

 

Regarding trim, you can still rotate with an out of trim aircraft, unless you are using a crazy figure like full nose down.

 

Optimum take off trim is designed to allow you to rotate at the correct speed and rate in order to follow the SRS commands via the flight director. With that in mind it is not really a good idea to make up random figures like 1.8 even if it is a default style aircraft.

 

Trim calculation & take off performance is based on a number of variables. First thing to check is you are departing below the aircrafts max take of weight.

 

Give this a try [url="http://www.avsimrus.com/f/fs2004-utilities-45/popular-calculator-to-calculate-takeoff-paro-calculate-takeoff-parameters-in-from-airbus-type-36340.html%5B/url]

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 With that in mind it is not really a good idea to make up random figures like 1.8 even if it is a default style aircraft.

 

 

We are trying to help a beginner here !

You are going to drown him ! :rolleyes:

I am sure the MAIN reason of his problems is his too fast "career" in the Fs world.

Jumping in an A340 without even really knowing what TRIM is, is not a good idea ! :rolleyes:

 

Guy

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Agreed :) however that take off calculator is very basic, all he has to do is punch in the aircrafts weight and the calculator does the rest.

 

Btw does the CLS bird have a basic MCDU?

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I wanna try out starting with a smallie like a Cessna. But I don't have a joystick and I wanna play FSX in the meantime while I decide to get a joystick. I just mainly use autopilot on planes but smaller planes don't have autopilots and are mainly visual control that i can't control properly. So once I get a joystick, I can fly smaller planes. Haven't tried mouse control yet. Maybe sometime this or next week.


And I have big trouble with MCDU'S and whatever flight computer control system.

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Good idea to learn first on the small ones ! :rolleyes:

 

In FS it is the same thing as in REAL aviation: you can't  skip the necessary steps.

There is so much to learn and that takes time !

 

Btw  the 'bigger'  small ones (Cessna 172, Mooney, Maule, Baron etc) have also autopilots.

 

It is well possible to fly with the keyboard , but I recommend once again using the mouse. (CTRL+K, CTRL+Y)

With a little training it is almost as good and easy as using a joystick !

 

Good luck ! :rolleyes:

 

Guy

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I find flying big jets more comfortable than smaller planes and props.

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Yes but the problem is that handling big jets is a lot harder than a small prop. If you can't land a Cessna then you'll kill yourself trying to land an A340. First you need a joystick. Flying with the keyboard is very tricky and very imprecise.

 

Do some of the basic lessons in FSX and learn to handle takeoff and landing in the default Cessna. Once you've got the hang of that then move up to a jet, but maybe try the NGX or the Aerosoft A320. For all that it might seem a huge jump there are a lot more resources around for getting started in those two than there are for the A340. I'm not sure that the CLS A340 is even particularly detailed when it comes to the autopilot systems. If you're going to learn how to do it properly, you might as well do it in a decent add on.

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I now mostly use the default 737. I tried the 737NGX, and it's killing me. The computer system is the most difficult but it looks like the best and most detailed aircraft I've ever seen. I've order a joystick from Thrustmaster and I expect it to come along in a week or so. Thanks for all your support!

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Perhaps get a yoke if you want to fly the 737.. Saitek are a pretty good brand.

I also have the Saitek joystick for the AXE,

but - yeah you really do need to know how to "fly".. plenty of online lessons for that.  Don't let anyone dis courage you and keep going!!

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Do the two tutorials that come with the 737NGX. They'll get you halfway there.

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I don't see any stuff that comes with the 737NGX and yes, I've watched lots and lots of tutorials and made my first landing today! (More like my 5th, but the previous one's suck.)


I barely have any time to play FSX, let-alone read super long manuals....

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