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757 Captain III >> 757 Captain III - General >> FD indications on takeoff
https://www.captainsim.org/forum/csf.pl?num=1559807676 Message started by tommchowat on Jun 6th, 2019 at 7:54am |
Title: FD indications on takeoff Post by tommchowat on Jun 6th, 2019 at 7:54am
Hi Guys,
Firstly, well done on the plane, it's fast becoming a very usable aircraft. One thing I'm struggling with though is the flight director indications on takeoff, particularly the pitch bar. It never commands a pitch to maintain V2 - V2+20. Below example from today, I'll give as much info as I can: Aircraft - PW2037 Airport - KATL, 27R/M20 Weather - 210/5, 24C FMC - TO, derate to 46C, speeds 146, 149, 151, accel height 1000 MCP - EPR 1.39, V2 151, LNAV armed FMA - EPR/TO/TO Rotate at 3 degrees per second, initially up to 15 degrees. However the flight director commands a pitch of about 9 degrees. If I follow this command, the speed just increases to well beyond V2+20. Only after I engage VNAV at accel height do the FD commands become sensible again. I find that the problem gets worse the higher the derate. Any ideas? Or any other members experience anything similar? |
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