Steve1103 From United States of America, joined Jun 2003, 30 posts, RR: 0 Posted (10 years 11 months 1 week 3 days 1 hour ago) and read 9386 times:
what am I doing wrong when I do a fly now and the aircraft is already on the run and I throttle up the engines for take off and release the brake. I use up all the runway and go past the runway before the aircraft lifts off please help
Mir From United States of America, joined Jan 2004, 22392 posts, RR: 55
Reply 1, posted (10 years 11 months 1 week 3 days 1 hour ago) and read 9340 times:
Well, first, make sure your runway is long enough (at least 7000') and that you wait for the "rotate" call before pulling back. I say this because you'd be surprised how many people forget to pull back on the stick, or try to take off from a 3000' strip. Won't happen.
If that isn't the problem, make sure that you have some flaps set (10 degrees is good unless you have a really long runway), and that your trim is set correctly. Usually, 5.5 degrees of up trim will be good, unless the FMC tells you differently (even if it does, or if you don't program it, 5.5 will get you off the ground). You can try the autothrottle too (make sure it's engaged, and then press the top left screw on the autopilot to put it into takeoff mode).
One more thing you might want to check is whether you are overweight. Some planes start up with full load and fuel, and this will be over the max takeoff weight. Take some passengers, bags, or fuel out and try again.
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