February 21, 200422 yr Dear Sirs,How does the 737NG compare to the Airbus A320 in the event of an engine failure at V1? For example in the airbus after passing the acceleration altitude and accelerating to the green dot you can engage the autopilot and it will fly the SID for you. How does the 737NG compare; does the yaw damper take care of the rudder inputs?Finally, would PMDG ever create interactive checklists? Personally I find them very immersing, I have only found this
February 21, 200422 yr Ok, please no Airbus vs. Boeing war here. We are open to almost any aviation related topic, but no A against B.As for taking off without flaps, our 737 The Next Generation has a takeoff configuration warning system, so you would surely notice if you tried to take off without flaps.Sincerely,
February 21, 200422 yr Hey Marc and Paul,I'll repost the question so that there will be no threat of WWIII :-lolHow does the 737NG operate in the event of an engine failure at V1? For example after passing the acceleration altitude and accelerating to the green dot can you engage the autopilot and be able to fly via the MCP rather than manually, will the plane still fly? Also, does the 737NG's yaw damper take care of the rudder inputs due to the thrust imbalance?How'd that sound? ;)DavidP.s. I'm not taking the #### with this post, I'd genuinely like to know. :)
February 21, 200422 yr As far as I know, the 737NG MCP does not control Rudder at any time,meaning it only controls pitch and roll and not yaw.But then again,I could be wrong-and I'm sure one of the gentlemen in the forum who knows better will stand in and correct me :)John (Once known as Macs)http://homepage.eircom.net/~eamonnmca/images/logo_ba.JPGwww.bavirtual.co.uk Senior Captain Simflight.com Staff Reviewer
February 21, 200422 yr Hey John,Apart from the yaw damper, I think your right. I'd guess that the correct procedure would be to manually add rudder trim to correct the imbalance and then let the AP take over. CheersDavid
February 22, 200422 yr The Yaw Damper does not have the "authority" to provide sufficient rudder for engine out asymmetry, David. Manual rudder trim is required.With the rudder set up properly, you should be able to use the A/P without any problems. However, I believe the A/T will not engage if one engine fuel lever is in cutoff.Cheers.Ian.
February 22, 200422 yr Thanks for the replys, I guess one would have to keep changing the rudder trim as one's speed varied and one turned the aircraft? I guess 737 pilots just fly manually then? Also, do all Boeing aircraft fly like this if an engine fails?Finally, I have noticed the NG has a lower LCD, much like the Airbus' lower ECAM, can that display emergency checklists or is it for something else? I believe the new 777 can display checklists on the ND. Thanks,Paul
February 22, 200422 yr Just to correct you, the 777 does not display checklists on the ND, it displays them on the EICAS and is controlled by the PNF(pilot not flying) using a touchpad, which is similar to that of a touchpad mouse on any laptop.I saw this on a UAL777 DVD,and it sure looks neat.As for the NG's secondary EICAS, nope it doesnt work yet :)Lefteris-perhaps you could jump in with one of your tiny weeny teasers? ;)John (Once known as Macs)http://homepage.eircom.net/~eamonnmca/images/logo_ba.JPGwww.bavirtual.co.uk Senior Captain Simflight.com Staff Reviewer
February 22, 200422 yr Well John, I hate to correct you, but the 777 can definitely display the checklist on the ND (inboard DU). You can switch the upper and lower DUs around. Just as you can switch the lower engine instruments display or flight controls display to your inboard DU on the 737NG.The 737NG and BBJ don't have EICAS.As for flying single engine, please do use the autopilot and add manual trim, set the thrust to a good setting. Use of the autopilot is workload reducing, allowing for more bits and bytes in your brain to be available for everything else that comes into play when you have to handle the non-normal situation, coordinating with ATC, the cabin, operations, maintenance and preparing for the approach and landing.Major speed changes do require adjustment of the rudder trim, but that is not a big deal. You can still fly the entire approach on the autopilot (even a non-precision approach) and leave the rudder trim in right through the landing.
February 22, 200422 yr "The 737NG and BBJ don't have EICAS"Ya learn something new everyday huh? I know it's not an EICAS, it lacks the crew alert system.I was unsure whether you could transfer all screens on the tripple 7,but now I know ;)P.S Before anyone else says it-sign your name on your post. It's the forum rules.John (Once known as Macs)http://homepage.eircom.net/~eamonnmca/images/logo_ba.JPGwww.bavirtual.co.uk Senior Captain Simflight.com Staff Reviewer
February 23, 200422 yr "Also, do all Boeing aircraft fly like this if an engine fails?"The 777 has a thrust asymmetry detection/compensation system. Designers found that the pilots could not kick in the rudder fast enough during engine failures (due to the power/position of the engines), so computers do it for them. The 777 also has two A/T systems, so the A/T should be still available in this situation, unlike the 737.Cheers.Ian.
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