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Effect of assymetric thrust in 747 on approach

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I am still getting used to flying with a throttle quadrant. I use a CH quadrant with 4 thrust levers. On a recent hand flown, manual thrust approach into Narita, using a MelJet 744, approach weight 435 K lbs, my nose was about 5 to 7 degrees off-center much of the way down the GS from about 1500 AGL. I wondered if there was a x-wind but on short final, I realised that No. 2 engine had an N1 reading that was about 4 to 5% above the other 3 engines. Would this assymetry in thrust really be enough to cause such a yaw on approach and final in the Queen?It's pretty tough getting more or less even N1 on all 4 engines for this type of flying. I find that the levers move very much based on the length of each finger, so assymetric settings seem to be normal and then one has to "fine tune" things from there (if there's time to do so).Appreciate posts on this item, thanks!JS

Jonathan Sacks

Dell XPS Gen 4, Pentium IV Northwood extreme 3.8Ghz, 3Ghz RAM, eVGA 7900 GTO,

12 GoFlight modules plus MCP-PRO AP and EFIS, GF pedestal, CH rudder pedals,

CH throttle quadrant, 42" LG LED, 24" DELL LCD, Windows XP, FS2004, FSUIPC 3.96

FS Autostart 1.1 (Build 11), FS Navigator 4.6, UT, FE, GE, REX, PMDG, Level-D, PSS, etc.

  • Author

Thanks, Hessel, I forgot about that one! I'll try it today.JS

Jonathan Sacks

Dell XPS Gen 4, Pentium IV Northwood extreme 3.8Ghz, 3Ghz RAM, eVGA 7900 GTO,

12 GoFlight modules plus MCP-PRO AP and EFIS, GF pedestal, CH rudder pedals,

CH throttle quadrant, 42" LG LED, 24" DELL LCD, Windows XP, FS2004, FSUIPC 3.96

FS Autostart 1.1 (Build 11), FS Navigator 4.6, UT, FE, GE, REX, PMDG, Level-D, PSS, etc.

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