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Crab, slips, and crossed controls



 
 
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  #1  
Old September 23rd 08, 12:45 PM posted to alt.usenet.kooks,rec.aviation.piloting
Bertie the Bunyip[_28_]
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Posts: 481
Default Crab, slips, and crossed controls

"Mick" #$$#@%%%.^^^ wrote in :


"Stefan" wrote in message
.. .
| Robert Moore schrieb:
|
| What you have described is the "forward slip". Although control usage
| is the same in both, a "side slip" is used to correct for a crosswind,
| and a "forward slip" is used to descend more rapidly
|
| A slip is a slip is a slip.
|
| I always wondered why so many flight instructors celebrate the art of
| making simple things seem complicated. I finally came to the conlusion
| that it's to look more impressive to the female students.

Cuz they have their heads up their asses, just like Bertie Buttlick.



Bwawhahw!

You actualy think you're wearing me down or something, don't you?



Bwawhahwhahwhahwhahwhahhw!


Bertie
  #2  
Old September 23rd 08, 12:47 PM posted to alt.usenet.kooks,rec.aviation.piloting
Bertie the Bunyip[_28_]
external usenet poster
 
Posts: 481
Default Crab, slips, and crossed controls

"Mick" #$$#@%%%.^^^ wrote in :


"Stefan" wrote in message
.. .
| Robert Moore schrieb:
|
| What you have described is the "forward slip". Although control usage
| is the same in both, a "side slip" is used to correct for a crosswind,
| and a "forward slip" is used to descend more rapidly
|
| A slip is a slip is a slip.
|
| I always wondered why so many flight instructors celebrate the art of
| making simple things seem complicated. I finally came to the conlusion
| that it's to look more impressive to the female students.

Cuz they have their heads up their asses, just like Bertie Buttlick.



Bwawhahw!

You actualy think you're wearing me down or something, don't you?



Bwawhahwhahwhahwhahwhahhw!


Bertie
  #3  
Old September 23rd 08, 12:48 PM posted to alt.usenet.kooks,rec.aviation.piloting
Bertie the Bunyip[_28_]
external usenet poster
 
Posts: 481
Default Crab, slips, and crossed controls

"Mick" #$$#@%%%.^^^ wrote in :


"Stefan" wrote in message
.. .
| Robert Moore schrieb:
|
| What you have described is the "forward slip". Although control usage
| is the same in both, a "side slip" is used to correct for a crosswind,
| and a "forward slip" is used to descend more rapidly
|
| A slip is a slip is a slip.
|
| I always wondered why so many flight instructors celebrate the art of
| making simple things seem complicated. I finally came to the conlusion
| that it's to look more impressive to the female students.

Cuz they have their heads up their asses, just like Bertie Buttlick.



Bwawhahw!

You actualy think you're wearing me down or something, don't you?



Bwawhahwhahwhahwhahwhahhw!


Bertie
  #4  
Old September 26th 08, 04:04 PM posted to rec.aviation.piloting
a[_3_]
external usenet poster
 
Posts: 562
Default Crab, slips, and crossed controls

On Sep 22, 10:35*am, Stefan wrote:
Robert Moore schrieb:

What you have described is the "forward slip". *Although control usage
is the same in both, a "side slip" is used to correct for a crosswind,
and a "forward slip" is used to descend more rapidly


A slip is a slip is a slip.

I always wondered why so many flight instructors celebrate the art of
making simple things seem complicated. I finally came to the conlusion
that it's to look more impressive to the female students.


There are some pretty wonderful 'slips' of the power on variety in the
second minute of this video. Even if you've seen it before, if you
fly, you'll smile and be a little envious -- or a lot envious.

http://www.youtube.com/watch?v=J3q8MDFltxI
  #5  
Old September 26th 08, 07:23 PM posted to rec.aviation.piloting
Dave Krueger
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Posts: 6
Default Crab, slips, and crossed controls

On Fri, 26 Sep 2008 08:04:32 -0700 (PDT), a wrote:

On Sep 22, 10:35*am, Stefan wrote:
Robert Moore schrieb:

What you have described is the "forward slip". *Although control usage
is the same in both, a "side slip" is used to correct for a crosswind,
and a "forward slip" is used to descend more rapidly


A slip is a slip is a slip.

I always wondered why so many flight instructors celebrate the art of
making simple things seem complicated. I finally came to the conlusion
that it's to look more impressive to the female students.


There are some pretty wonderful 'slips' of the power on variety in the
second minute of this video. Even if you've seen it before, if you
fly, you'll smile and be a little envious -- or a lot envious.

http://www.youtube.com/watch?v=J3q8MDFltxI


EXCELLENT! tHANKS!
--
Mommy, Daddy, can i live with you the rest of my life?
Waaaaaaaaaa!!!! i umpire but i don wanna work either.


______________
/ \
| WHAAAAAAAAAAA! |
\__ _________/
/ ,'
_.~._ /,'
,~'.~@~.`~.
/ : _..._ : \
{ :,"''\\`".: }
`C) 0 _ 0 (--.._,-"""-.__
( ) @ ( ) `.
`-.-_-.-' \
,' \ / ,` ;`-._,-.
,' ,'/ ,' `---t.,-. \_
,--.,',' ,'----.__\ _( \----'
'///,`,--.,' `-.__.--' `. )
'///,' `-`
  #6  
Old September 22nd 08, 08:21 PM posted to rec.aviation.piloting
Bertie the Bunyip[_24_]
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Posts: 2,969
Default Crab, slips, and crossed controls

Robert Moore wrote in
2.60:

Stealth Pilot wrote
Sideslips are a very useful tool because they allow you to
substantially increase the drag, which makes you descent like a
plumbers toolbag, but doesnt change the forward speed. so you have no
increased risk of stalling as you wash off the height.


What you have described is the "forward slip". Although control usage
is the same in both, a "side slip" is used to correct for a crosswind,
and a "forward slip" is used to descend more rapidly on final without
having the airspeed increase. If one is not landing, I suppose that it
would just be a "slip".

Airliners normally do not use either because of the increased discomfort
caused the passengers....both being uncoordinated flight.


Actually, they do. The 72 and 70 were kind of excepetions because of the
risk of dragging a flap or pod, but most jet airliners land better in
crosswinds when slipped.
Even the autopilot will slip it if you're doing an autoland



Bertie


  #7  
Old September 23rd 08, 05:23 AM posted to rec.aviation.piloting
Mick[_2_]
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Posts: 584
Default Crab, slips, and crossed controls


"Bertie the Bunyip" wrote in message
...
| Robert Moore wrote in
| 2.60:
|
| Stealth Pilot wrote
| Sideslips are a very useful tool because they allow you to
| substantially increase the drag, which makes you descent like a
| plumbers toolbag, but doesnt change the forward speed. so you have no
| increased risk of stalling as you wash off the height.
|
| What you have described is the "forward slip". Although control usage
| is the same in both, a "side slip" is used to correct for a crosswind,
| and a "forward slip" is used to descend more rapidly on final without
| having the airspeed increase. If one is not landing, I suppose that it
| would just be a "slip".
|
| Airliners normally do not use either because of the increased discomfort
| caused the passengers....both being uncoordinated flight.
|
| Actually, they do. The 72 and 70 were kind of excepetions because of the
| risk of dragging a flap or pod, but most jet airliners land better in
| crosswinds when slipped.
| Even the autopilot will slip it if you're doing an autoland
|
|
|
| Bertie
|
|

You're an idiot. Stay in context dumb ass.




  #8  
Old September 24th 08, 01:04 PM posted to rec.aviation.piloting
Stealth Pilot[_2_]
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Posts: 846
Default Crab, slips, and crossed controls

On Mon, 22 Sep 2008 14:10:50 GMT, Robert Moore
wrote:

Stealth Pilot wrote
Sideslips are a very useful tool because they allow you to
substantially increase the drag, which makes you descent like a
plumbers toolbag, but doesnt change the forward speed. so you have no
increased risk of stalling as you wash off the height.


What you have described is the "forward slip". Although control usage
is the same in both, a "side slip" is used to correct for a crosswind,
and a "forward slip" is used to descend more rapidly on final without
having the airspeed increase. If one is not landing, I suppose that it
would just be a "slip".

Airliners normally do not use either because of the increased discomfort
caused the passengers....both being uncoordinated flight.

Amine wrote:
PS: I have read about many cases of jetliners that had to make
emergency descents at abnormally high speeds, but the AC143 seems the
only one to have used the sideslip.


AC 143 was constrained by "touchdown speed" runway length. An "emergency
descent" has no such constraint and therefore is able to use the
aircraft's maximum certificated speed for the descent...far in excess of
what would be possible in an approach/landing situation.

In an engine failure situation, keep it as high as possible for as long
as possible to insure that the field can be reached, and then slip as
much as required to lose the excess altitude without gaining airspeed.

Bob Moore
Flight Instructor ASE-IA
ATP B-707 B-727
PanAm (retired)


in my country the manouver I describe is always called a side slip.

side slips are used as I indicate to dirty up the aircraft
aerodynamically.
they can be used to counter a crosswind but the crabbed approach is
preferred because it doesnt change the approach profile.

it is a side slip.

youalls mileage may vary :-)

Stealth Pilot
  #9  
Old September 24th 08, 02:27 PM posted to rec.aviation.piloting
Allen[_1_]
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Posts: 252
Default Crab, slips, and crossed controls


"Stealth Pilot" wrote in message
...
On Mon, 22 Sep 2008 14:10:50 GMT, Robert Moore
wrote:

Stealth Pilot wrote
Sideslips are a very useful tool because they allow you to
substantially increase the drag, which makes you descent like a
plumbers toolbag, but doesnt change the forward speed. so you have no
increased risk of stalling as you wash off the height.


What you have described is the "forward slip". Although control usage
is the same in both, a "side slip" is used to correct for a crosswind,
and a "forward slip" is used to descend more rapidly on final without
having the airspeed increase. If one is not landing, I suppose that it
would just be a "slip".

Airliners normally do not use either because of the increased discomfort
caused the passengers....both being uncoordinated flight.

Amine wrote:
PS: I have read about many cases of jetliners that had to make
emergency descents at abnormally high speeds, but the AC143 seems the
only one to have used the sideslip.


AC 143 was constrained by "touchdown speed" runway length. An "emergency
descent" has no such constraint and therefore is able to use the
aircraft's maximum certificated speed for the descent...far in excess of
what would be possible in an approach/landing situation.

In an engine failure situation, keep it as high as possible for as long
as possible to insure that the field can be reached, and then slip as
much as required to lose the excess altitude without gaining airspeed.

Bob Moore
Flight Instructor ASE-IA
ATP B-707 B-727
PanAm (retired)


in my country the manouver I describe is always called a side slip.

side slips are used as I indicate to dirty up the aircraft
aerodynamically.
they can be used to counter a crosswind but the crabbed approach is
preferred because it doesnt change the approach profile.

it is a side slip.

youalls mileage may vary :-)

Stealth Pilot


The slips are named for their flight path in relation to a point on the
ground. The forward slip, when used in relation to a runway, creates a
direct forward path to the end of the runway. This is accomplished by
lowering a wing and opposite rudder at the same time. The nose of the
aircraft is to the left or right of the runway heading but the flight path
is directly forward toward the runway. The primary use of this slip is to
lose altitude without increasing airspeed and also to allow a view of the
runway if the front windshield is obstructed with ice or oil. The side
slip, when used in relation to a runway, creates a sideways flight path .
This is accomplished by lowering a wing and using rudder to keep the nose of
the aircraft pointed straight down the runway. In a no-wind situation the
aircraft will move sideways left or right of the runway centerline depending
on which wing is lowered. The primary use of this slip is to counteract
side drift in a crosswind landing and allow the aircraft to touchdown
parallel to the runway centerline.

--

*H. Allen Smith*
WACO - We are all here, because we are not all there.


  #10  
Old September 27th 08, 03:19 PM posted to rec.aviation.piloting
Stealth Pilot[_2_]
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Posts: 846
Default Crab, slips, and crossed controls

On Wed, 24 Sep 2008 08:27:29 -0500, "Allen"
wrote:



in my country the manouver I describe is always called a side slip.

side slips are used as I indicate to dirty up the aircraft
aerodynamically.
they can be used to counter a crosswind but the crabbed approach is
preferred because it doesnt change the approach profile.

it is a side slip.

youalls mileage may vary :-)

Stealth Pilot


The slips are named for their flight path in relation to a point on the
ground. The forward slip, when used in relation to a runway, creates a
direct forward path to the end of the runway. This is accomplished by
lowering a wing and opposite rudder at the same time. The nose of the
aircraft is to the left or right of the runway heading but the flight path
is directly forward toward the runway. The primary use of this slip is to
lose altitude without increasing airspeed and also to allow a view of the
runway if the front windshield is obstructed with ice or oil. The side
slip, when used in relation to a runway, creates a sideways flight path .
This is accomplished by lowering a wing and using rudder to keep the nose of
the aircraft pointed straight down the runway. In a no-wind situation the
aircraft will move sideways left or right of the runway centerline depending
on which wing is lowered. The primary use of this slip is to counteract
side drift in a crosswind landing and allow the aircraft to touchdown
parallel to the runway centerline.



why on earth are you lecturing me about slips?
I use them as a convenience whenever I feel the need.

in my country they are known only as side slips because the control
inputs are pretty well the same and you can make them point in pretty
well any direction from side ways to forwards.

it is only in america where you make the artificial distinction
between forward and sideways slips.

to my mind it is as much of a nonsense as the way you spell aeroplane.
ymmv
Stealth Pilot
 




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