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Old 03-14-2019, 07:55 PM   #1
Airhunter
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Default Takeoff trim.

Couldn't really find anythig on the checklists. Do you usually take off ashore and on a carrier with 0 elevator trim or are there some specific settings for the various configurations?
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Old 03-14-2019, 08:27 PM   #2
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Guage it on the situation. If on the carrier, loaded with ordinance, shorter runway, just adjust the flaps manually to the circumstance. On an empty jet with a decent length of the runway, you don't really need flaps; just start your roll at 140-150 knots and she'll fly off the runway. If you need more lift just manually bring flaps down accordingly to give yourself some more lift.
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Old 03-14-2019, 08:35 PM   #3
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Quote:
Originally Posted by Airhunter View Post
Couldn't really find anythig on the checklists. Do you usually take off ashore and on a carrier with 0 elevator trim or are there some specific settings for the various configurations?
I've found 0 trim on shore, start adding some nose up off the boat with load. 0 off the boat, no load.

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Originally Posted by DocSigma View Post
Guage it on the situation. If on the carrier, loaded with ordinance, shorter runway, just adjust the flaps manually to the circumstance. On an empty jet with a decent length of the runway, you don't really need flaps; just start your roll at 140-150 knots and she'll fly off the runway. If you need more lift just manually bring flaps down accordingly to give yourself some more lift.
Trim != flaps.
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Old 03-14-2019, 08:49 PM   #4
dave9810
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Reading the NATOPS all I can find is land takeoff = 0 Trim

Cat launch depends on CG% and end airspeed



Still looking to find CG% calculation
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Old 03-14-2019, 09:02 PM   #5
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Thanks!
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Old 03-14-2019, 09:39 PM   #6
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Can't go wrong in the sim with 3 degrees ANU. The entire stab moves, and without control pressures, it really doesn't matter on takeoff. After that, trim is your friend!
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