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Old January 17th, 2008, 16:53   #1
sky7
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Join Date: Dec 2004
Location: work DEN, live SEA
Posts: 79
Default climb performance

example:

In a CRJ200 (horrible climb perf)
standard day, clear and a million
normal lapse rates, winds calm, max gross

In the climb cleared to 10,000ft. You level at 10 and accelerate to 330. Then cleared to fl230. do you:

option1: roll the vertical speed up to 3.5ish and bleed the speed quickly down to your 250kt climb profile, therefore gaining altitude quicky up to about 16,000

or,

option2: roll the VS to about 1.5 and bleed off your speed slowly all the way up to fl230.


I know everybody has their own preference and I know atc would like best rate all the time, but what I'm really interested in is a geeky physics-type, factual answer as to which is more efficient. efficiency meaning climb perf, not fuel efficiency.
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