Aircraft unresponsive to throttle

[mverlin]

I've just built a new system and have found it is very much like moving into a new home. I'm running FS9 on XP professional.

My problem is that any aircraft I select will not respond to increasing throttle input.

I'm using CH Products Yoke, Rudder Pedals and Throttle Quadrant. I've disabled the controllers in FS9, and I'm running them directly through FSUIPC. The multiple axis on all three controllers are defined properly, and calibrated.

All other parameters respond normally, but I cannot get the throttles to respond. Any assistance is appreciated.

[lluisdc]

Hi,

I have almost the same configuration as you but now I am using Windows 7-64 bits without remarkable problems. I am at the office and have not the paper at hand, but there is a post in this forum with a precise and clear tutorial on how to configure the CH Throttle step by step. Perhaps it will help you to make sure everything has been properly done and before going beyond.

I hope it works also for you.

Lluís

[Pete Dowson]

My problem is that any aircraft I select will not respond to increasing throttle input.

I'm using CH Products Yoke, Rudder Pedals and Throttle Quadrant. I've disabled the controllers in FS9, and I'm running them directly through FSUIPC. The multiple axis on all three controllers are defined properly, and calibrated.

All other parameters respond normally, but I cannot get the throttles to respond. Any assistance is appreciated.

This is with default aircraft too? Do they respond to throttle changes via the keyboard? When you display the throttle quadrant on screen, do the levers move there? By mouse, keyboard, throttle levers?

If your throttles are properly assigned (you don't say how you assigned them -- there are several different ways and different controls) and are seen to provide properly varying values in the assignments tab and the relevant calibrations tab, then there is nothing stopping them in FS.

Please provide more information, and also the version number of FSUIPC. If it isn't at least 3.99 you need to update first.

Regards

Pete

[mverlin]

This is with default aircraft too? Do they respond to throttle changes via the keyboard? When you display the throttle quadrant on screen, do the levers move there? By mouse, keyboard, throttle levers?

If your throttles are properly assigned (you don't say how you assigned them -- there are several different ways and different controls) and are seen to provide properly varying values in the assignments tab and the relevant calibrations tab, then there is nothing stopping them in FS.

Please provide more information, and also the version number of FSUIPC. If it isn't at least 3.99 you need to update first.

Regards

Pete

OK. It doesn't matter which aircraft I select. The levers move appropriately in response to movement of the controller levers. I've tried using FS9's joystick controls without effect. I'm using the latest version 3.99g dated 11/2/11. I have attached a copy of the relevant portion of my FSUIPC.ini file.ini.txt

[Pete Dowson]

OK. It doesn't matter which aircraft I select. The levers move appropriately in response to movement of the controller levers. I've tried using FS9's joystick controls without effect. I'm using the latest version 3.99g dated 11/2/11. I have attached a copy of the relevant portion of my FSUIPC.ini file.ini.txt

The INI parameters look fine, nothing wrong there. It's a little odd how you've used a different assortment of entry boxes for the assignments -- generally folks just use the first one unless they need to assign multiple controls to the one axis. Perhaps you thought there were 4 entry positions to relate to engine numbers? That isn't so, there are simply 4 so you can assign up to 4 controls if you wished. However, it doesn't do any harm to do what you've done.

When you say "the levers move appropriately in response to movement of the controller levers" do you mean FS's pictorial quadrant levers move when you move the hardware throttle levers? If so, then the levers are correctly operating the FS throttles -- so now I think you need to explain what exactly you meant by the earlier statement that "any aircraft I select will not respond to increasing throttle input."

If you meant something different, please explain what you did mean. And in that case have you tried using the keyboard and mouse to see if the FS throttle levers respond?

Regards

Pete

[mverlin]

The INI parameters look fine, nothing wrong there. It's a little odd how you've used a different assortment of entry boxes for the assignments -- generally folks just use the first one unless they need to assign multiple controls to the one axis. Perhaps you thought there were 4 entry positions to relate to engine numbers? That isn't so, there are simply 4 so you can assign up to 4 controls if you wished. However, it doesn't do any harm to do what you've done.

When you say "the levers move appropriately in response to movement of the controller levers" do you mean FS's pictorial quadrant levers move when you move the hardware throttle levers? If so, then the levers are correctly operating the FS throttles -- so now I think you need to explain what exactly you meant by the earlier statement that "any aircraft I select will not respond to increasing throttle input."

If you meant something different, please explain what you did mean. And in that case have you tried using the keyboard and mouse to see if the FS throttle levers respond?

Regards

Pete

Yes, the pictorial quadrant levers move in response to the hardware throttle levers.

I tried enabling the brake message in the FS9.cfg.

This told me that the foot brakes are always on!

This fits with what I'm observing. Even with the throttles fully open the aircraft merely drifts very slightly forward. It won't taxi, let alone move fast enough to take off. I've tried this with several aircraft, both turboprop and piston.

If I could get the brakes turned off, I believe all would be well.

[Pete Dowson]

This told me that the foot brakes are always on!

If I could get the brakes turned off, I believe all would be well.

It sounds like you have the toe brakes set the wrong way round. Try pressing them both fully down, see what happens.

Most toe brakes available these days seem to operate with the axis values DECREASING from a high value when pressed, down to 0 when fully pressed. If so, you should have noticed this when calibrating. Zero braking is a zero value, maximum braking is a high value. Any axis which is behaving the opposite way to how it is needed has to be reversed. In FSUIPC's calibration -- there is a "REV" checkbox for this.Re-calibrate AFTER selecting REV or the values will be wrong.

Also, as with any axis, leave a gap before setting the minimum value, to ensure that the brakes stay off even when steering using the rudder.

Pete

[mverlin]

It sounds like you have the toe brakes set the wrong way round. Try pressing them both fully down, see what happens.

Most toe brakes available these days seem to operate with the axis values DECREASING from a high value when pressed, down to 0 when fully pressed. If so, you should have noticed this when calibrating. Zero braking is a zero value, maximum braking is a high value. Any axis which is behaving the opposite way to how it is needed has to be reversed. In FSUIPC's calibration -- there is a "REV" checkbox for this.Re-calibrate AFTER selecting REV or the values will be wrong.

Also, as with any axis, leave a gap before setting the minimum value, to ensure that the brakes stay off even when steering using the rudder.

Pete

Thank you very much for your help! Reversing the brake axis solved the problem.

Michael