Simviation Forum - QUESTION.autorudder???

Apr 11^th, 2004 at 3:58pm

alrot Offline
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WHY WHEN I DISALBLE THE AUTORUDDER TO FLY WITH PEDALS AS A REAL PLANE THE YOKE DOES NOT WORK ON THE GROUND?,CAN'T BELIEVE THAT THE BOEING FOR EX. SERIES WHEN YOU GOING TO THE GATES YOU HAVE TO USE THE AIR DIRECTION DRIVE, WHAT ABOUT THE FRONT WHEEL,AS I WAS TOLD THE PILOT SIT can MOVE IT, I MEAN THE FRONT WHEEL WHEN YOU ARE ON THE GROUND,AND NOT THE COPILOT.iS THERE AN OPTION THAT I IGNORE,TO set THE PLANE to WORK AS IT SHOULD BE

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Reply #1 - Apr 11^th, 2004 at 4:11pm

esa17 Offline
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Unless in heavy wind the yoke is not used in ground taxi. The aircraft is controlled by the pedals. It's not a car.

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Reply #2 - Apr 11^th, 2004 at 4:29pm

tsunami_KNUW Offline
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If you have pedals then use those or if you have a joystick that can twist (I use Sidewinder Precision 2) you can use that.

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Reply #3 - Apr 11^th, 2004 at 4:31pm

alrot Offline
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sorry my friend esa17 but i have seen with my own eyes and you can seen a recenly show in discovery channel about comercial airplane i have recoded all of them, an i saw many pilots from many chapters of this documentals driving the plane as a car as the b 777 ,on the ground moving the yoke and turning the front whell Angry

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Reply #4 - Apr 11^th, 2004 at 5:00pm

Nexus Offline
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LOL, no you're wrong. On the ground you steer the front wheel with a tiller, located to the left of the captain side.

On the runway, when you pick upp speed, the rudder is your primary tool for keeping the aircraft aligned

Here's a good picture of the tiller, which controls the steering of the nose wheel.

http://www.airliners.net/open.file/547095/L/

(and yes that's a B 777)

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Reply #5 - Apr 11^th, 2004 at 5:11pm

alrot Offline
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Thanks NEXUS 82 i knew the pilot was moving someting with his hand i presumed by that time that it was the yoke i was wrong I hate when some call me in some sor of way a fool .Is this the only plane who has that tiller or other ways? thanks Wink

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Reply #6 - Apr 11^th, 2004 at 5:12pm

esa17 Offline
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Damn alrot, I'll have to go yell at my past instructors. How foolish of them to teach me steer with my feet during taxi. Once I get done writing in my log that I've been doing it all wrong I'll get right on writing letters of complaint to all the airplane manufacturers as well. You'd think they'd print it in the flight manuals that you in fact steer just as you would in a car. I'd check you DiscWings archives to see what exactly was going on. The only time that the yoke is used in taxi is when there is a strong wind. You'll see the pilots are adjusting the position of the ailerons depending on the direction of the winds so they can avoid such unpleasant things and flipping the aircraft in a gust. Probably not as much of a problem in a 777 as it is in a C-172 but it's procedure all the same.

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Reply #7 - Apr 11^th, 2004 at 5:14pm

Craig. Offline
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ok what you prob saw was flight control checks with the yoke. Now, the exact ways of turning on the ground are the tiller as nexus posted, for shallow turns the rudder pedals are used. the brakes are also another method for turning, but no the yoke cant be used as a method.

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Reply #8 - Apr 11^th, 2004 at 5:37pm

alrot Offline
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i'm sorry esa 17 Wink

i didn't mean to be roud i saw something
on a show tha plane was moving and the pilot was moving somethig with his hand and besides i don't speak english i'm in a far away country,It was the way you aswered it's a diference between it's not a car than it's not LIKE a car,a simple chage makes the diference
alrot_65@hotmail.com

Venezuela

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Reply #9 - Apr 18^th, 2004 at 5:59pm

Silver1SWA Offline
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esa17,

You are correct in regards to small aircraft. In smaller aircraft, particularly trainers, such as a cessna 172 etc., you steer with your feet on the pedals while setting the ailerons for the wind.

However, alrot was specifically talking about something he saw involving a 777 taxi techinique. Boeings as well as all other airliners I'm sure are taxiid using a tiller like Nexus82 described.

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Reply #10 - Apr 18^th, 2004 at 6:12pm

SilverFox441 Offline
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I know that most business-class jets and larger have a tiller or wheel for ground steering. As stated above it's on the left of the pilot's position.

Many older fighters and many private A/C use differential braking for ground steering. Brakes are used one at a time to force the A/C to slew around the slowed wheel.

Newer small A/C use a nosewheel or tailwheel that is tied to the rudder system. Some fighters have a Nose Wheel Steering switch that the pilot must hold down to activate the NWS system. NWS is only available below a set speed (above which the rudder gains effectiveness).

I don't know of anyone that has done it...but there is no reason that a NWS system couldn't be tied to the yoke using a switch.

Steve (Silver Fox) Daly

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