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Pitch vs. trim in flight phases



 
 
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  #1  
Old May 16th 08, 06:00 AM posted to rec.aviation.piloting,rec.aviation.student
Mxsmanic
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Default Pitch vs. trim in flight phases

In a small GA aircraft, in which phases of flight will you normally use mostly
trim to adjust pitch, and in which phases will you normally mostly use the
yoke?
  #2  
Old May 16th 08, 12:01 PM posted to rec.aviation.piloting,rec.aviation.student
Dudley Henriques[_2_]
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Default Pitch vs. trim in flight phases

Mxsmanic wrote:
In a small GA aircraft, in which phases of flight will you normally use mostly
trim to adjust pitch, and in which phases will you normally mostly use the
yoke?


You adjust pitch and hold that pitch, then trim. The general "rule" is
nose attitude, adjust power, trim the airplane.

--
Dudley Henriques
  #3  
Old May 16th 08, 12:17 PM posted to rec.aviation.piloting,rec.aviation.student
[email protected]
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Default Pitch vs. trim in flight phases

On May 16, 1:10 am, Nomen Nescio wrote:
-----BEGIN PGP SIGNED MESSAGE-----
Juevie bull**** snipped

-----END PGP SIGNATURE-----


Thanks for contributing so many lines to the noise level.
"If you're not part of the solution, you're part of the problem".
  #4  
Old May 16th 08, 12:40 PM posted to rec.aviation.piloting,rec.aviation.student
Robert M. Gary
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Default Pitch vs. trim in flight phases

On May 15, 10:00*pm, Mxsmanic wrote:
In a small GA aircraft, in which phases of flight will you normally use mostly
trim to adjust pitch, and in which phases will you normally mostly use the
yoke?


You don't pitch with trim, you use the elevator to adjust pitch.

-Robert
  #5  
Old May 16th 08, 01:20 PM posted to rec.aviation.piloting,rec.aviation.student
[email protected]
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Posts: 251
Default Pitch vs. trim in flight phases

On May 16, 12:00 am, Mxsmanic wrote:
In a small GA aircraft, in which phases of flight will you normally use mostly
trim to adjust pitch, and in which phases will you normally mostly use the
yoke?


Here's a good page with more detail along Dudley's reply:

Trim history
The trim tab or servo trim was invented by Anton Flettner, a German
aeronautical engineer. He started work in 1905 for the Zeppelin
Company. Died in 1962.

Trim
Most aircraft have single axis trim for the elevator. Airliners have
three-axis trim for the elevator, rudder and ailerons. Trim is used to
correct for any forces that might tend to counter your selected flight
performance. Trim allows the pilot to relax. A pilot who cannot trim
will be an exhausted pilot in a short time. It takes only a couple of
flights for a pilot to realize the benefits of trim. The best check
for proper trim setting for any flight configuration is to let go of
the yoke completely and see what the nose does.

http://www.whittsflying.com/web/page...g_the_Yoke.htm

  #6  
Old May 16th 08, 02:21 PM posted to rec.aviation.piloting,rec.aviation.student
Paul kgyy
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Default Pitch vs. trim in flight phases

On May 16, 12:00 am, Mxsmanic wrote:
In a small GA aircraft, in which phases of flight will you normally use mostly
trim to adjust pitch, and in which phases will you normally mostly use the
yoke?


Contrary to the common opinion that trim is used for pitch control, I
view it as more of a speed setting device (though it does this by
adjusting pitch). So, there is an initial adjustment, frequently
marked on the trim indicator, for takeoff to produce, say, 80 knots
climb in takeoff configuration. Then level off, adjust again to
produce cruise speed without yoke pressure. Descending, I usually
leave the pitch alone and just reduce power. Entering pattern, adjust
trim for approach speed. Some aircraft have noticeable pitch change
when lowering flaps - that usually requires a pitch related trim
adjustment, but the ultimate goal is proper speed with flaps down.
  #7  
Old May 16th 08, 02:22 PM posted to rec.aviation.piloting,rec.aviation.student
[email protected]
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Default Pitch vs. trim in flight phases

On May 16, 1:00*am, Mxsmanic wrote:
In a small GA aircraft, in which phases of flight will you normally use mostly
trim to adjust pitch, and in which phases will you normally mostly use the
yoke?


The yoke is used almost always for pitch adjustment, followed by trim
to zero out the control pressure.

For me, however, there is (at least) one exception. When I think I'm
in level cruise, but I notice a very slight residual climb or descent
(e.g., maybe 100 ft over a few minutes), it's usually easier and more
accurate in my Cherokee to just give the trim crank a slight nudge,
than it is to try to move the yoke then retrim.
  #8  
Old May 16th 08, 04:05 PM posted to rec.aviation.piloting,rec.aviation.student
Darkwing
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Posts: 604
Default Pitch vs. trim in flight phases


"Mxsmanic" wrote in message
...
In a small GA aircraft, in which phases of flight will you normally use
mostly
trim to adjust pitch, and in which phases will you normally mostly use the
yoke?


I'm sorry you have reached your limit of questions for this week. Please
refrain from asking any more questions until May 19th at the earliest. Thank
you for your attention in this matter.


  #9  
Old May 16th 08, 04:15 PM posted to rec.aviation.piloting,rec.aviation.student
[email protected]
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Posts: 2,892
Default Pitch vs. trim in flight phases

In rec.aviation.piloting Mxsmanic wrote:
In a small GA aircraft, in which phases of flight will you normally use mostly
trim to adjust pitch, and in which phases will you normally mostly use the
yoke?


In cruise in dead calm air you occasionly tweak the trim.

At all other times you use the yoke to control the aircraft and the trim
to remove yoke pressure.

--
Jim Pennino

Remove .spam.sux to reply.
  #10  
Old May 16th 08, 04:25 PM posted to rec.aviation.piloting,rec.aviation.student
Tina
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Posts: 500
Default Pitch vs. trim in flight phases

Perhaps the difference between the MSFS and reality is the notion of
adjusting trim to take pressure off the yoke is one of those 'it
doesn't matter in simulated flight' issues.

On May 16, 11:15 am, wrote:
In rec.aviation.piloting Mxsmanic wrote:

In a small GA aircraft, in which phases of flight will you normally use mostly
trim to adjust pitch, and in which phases will you normally mostly use the
yoke?


In cruise in dead calm air you occasionly tweak the trim.

At all other times you use the yoke to control the aircraft and the trim
to remove yoke pressure.

--
Jim Pennino

Remove .spam.sux to reply.


 




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