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Old December 27th, 2008, 19:24   #17
jynxyjoe
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Join Date: Oct 2007
Location: Memphis
Posts: 3,630
Default Re: Noises heard at 41 seconds

Quote:
Originally Posted by ppragman View Post
I dunno, I think V1 is a good guideline, however, I don't feel that its a golden rule to be followed unthinkingly. A lot of times it depends on the airport, If I'm on a 11,000' runway in the 1900, it only takes about 3500' for us get off, if I lose a motor at exactly v1 (which was usually 114kts) I think its probably prudent to chop the powerlevers and brake to a stop, which the airplane will do no problem, additionally with beta (provided both motors are working for other emergencies) the braking roll is drastically reduced.. Why take that airplane into the air and fight with a dead motor when you still have about 8000' of runway to burn. It will take you more than 30 seconds to reach the end at 114kts or so, so slowing you have plenty of time.

I think we need a new speed called Vbrake or something, which is the speed for the field length that allows you to stop using braking power alone in the remaining runway. It'd have to be calculated before every takeoff, but it'd be useful. There are a lot of accidents on takeoff that I think could be prevented, or the circumstances at least changed for the better if the crews had a bit better idea of their options.
If you are afraid of "fighting it" then build a few extra knots on that long ass runway and then rotate. It's a dead engine, it didn't fall off or catch on fire. Do the procedures up in the air, come back and land. Why fight training?
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