Talk:Dutch roll

message: Quote from the article:
This technique is more commonly referred to as a slip. If the airspeed is allowed to decay the aircraft can stall, and the crossed controls can cause it to spin
That's completely untrue. Stalling in a side slip will NOT induce a spin.
Also, the speed is irrelevant in stalling a side slip. If you pull the stick back to the point of stall with crossed controls, you will fall out of the sky like a brick and may even notice an increase in airspeed.
>>>>>>>>>>
I beg to differ.  I don't know where you got your information, but I spent three years in an aero engineering program, I've been a private pilot for more than 10 years, and I'm building an Experimental aircraft.  
Stalling with crossed controls is *precisely* how you enter a spin.  Not all aircraft WILL spin, but the sentence is accurate as it stands - a spin CAN result from a stall with crossed controls.  
A sideslip will normally result in an increase in descent rate without an increase in airspeed.  Pilots of aircraft without flaps (such as the one I'm building) commony use sideslip to control rate of decent on final approach.  For a wheels-eye view of what that looks like, see this video clip: Video of a slip from camera mounted on landing gear
Brendano 13:40, 29 August 2005 (UTC)

message: I added the "too technical" comment here and at phugoid because I had no idea what a "rudder singlet or doublet" is. Most of the article is a little beyond the average reader, I think, but it's a fairly esoteric topic. Still, it could be made more accessible.--andersonpd 22:58, 26 October 2005 (UTC)
replies: text: I added a common language first sentence and some clarifying details on singlets & doublets.  I'm removing the technical tag. Knotnic 22:26, 21 December 2005 (UTC)
replies: text: Believe me, this is as non-technical a description as is possible.  I would have started with the factorisation of the lateral stability quartic. You know, kept things nice and simple by just considering stick-fixed stability. Gordon Vigurs 08:13, 30 May 2006 (UTC)
replies: text: I also find it difficult to understand it. I'm a pilot and a student aerospace engineer, yet, I barely understand what this article is trying to explain here. Perhaps graphical illustration and more structual explanation would help. En51cm 05:35, 23 March 2007 (UTC)
thread_title:  Technical 

message: There are currently two contradictory Etymologies for Dutch Roll in the article.
One states "The name comes from the movement that (Dutch) skaters make when skating on ice." and the other states "The name comes from the original design of Dutch ships that had very rounded bottoms for a lower draft". They cannot both be correct.
Could someone please verify which is correct. Ideally, quoting a verifiable source. eg. My first piloting book ISBN 747-360-90-0 states on page 6 "Flying through low cloud in mountainous regions is asking for trouble...." GordonTG 23:30, 5 November 2007 (UTC)
replies: text: Usually "dutch" is a synonym for "fake" or "weak" in terms like this (Dutch courage = alcohol, for example). Herr Gruber (talk) 10:43, 15 November 2014 (UTC)
thread_title:  Etymology? 

message: This article was automatically assessed because at least one WikiProject had rated the article as start, and the rating on other projects was brought up to start class. BetacommandBot 09:48, 10 November 2007 (UTC)
thread_title:  WikiProject class rating

message: It seems to me that :Image:DutchRoll AnimGIF 01.gif fails to illustrate that the roll and yaw oscillations are out of phase.  Perhaps it is instead the derivative of yaw and the roll which are out of phase; I'm not sure what "lags significantly behind" means.  Is there a correction to be made here?  --Tardis (talk) 16:25, 10 June 2008 (UTC)
replies: text: Hi, I study Aerospace Dynamics and I can verify that the animation of the Dutch roll is incorrect, the roll and yaw rates should not be in phase with each other as shown. 86.31.145.31 (talk) 19:58, 12 December 2023 (UTC)
thread_title:  Illustrating the out-of-phase modes 

message: Hi there.  I can't tell from this article whether a Dutch roll is something that happens to an airplane (that the pilot works to correct) or something that the pilot does on purpose.  Please make the introduction more clear about this. 67.81.69.0 (talk) 17:49, 16 December 2008 (UTC)
thread_title:  Please clarify this article 

message: I know it might be difficult to get the subtleties of motion right, but the gifs really do mislead.  The nose-on view doesn't show oscillation in sideslip, which is really important.  72.93.199.141 (talk) 18:12, 20 May 2009 (UTC)
thread_title:  Misleading GIF animations 

message: In the interest of making this article as informative to the "armchair pilots" as possible, I linked the section the original author called "rolling on a heading" to adverse yaw. This serves to introduce the "feeling" of adverse yaw at the controls, then offers the correct term for the phenomenon and links the reader to a full explanation. This is the first edit I've really done on Wikipedia, please let me know if it's acceptable.
(Interestingly, I've only ever heard it called adverse yaw in the glider, powered, and aerobatic communities I've been a part of or spoken to.)  —Preceding unsigned comment added by 67.174.112.199 (talk) 19:30, 5 August 2010 (UTC)
thread_title:  Added Adverse Yaw Reference 

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thread_title:  External links modified (January 2018) 

message: What does "excited" mean in this context? Cousin Ricky (talk) 17:55, 14 December 2019 (UTC)
replies: text: It means “initiated” or “caused by”. The tendency to display the Dutch roll can be dormant, just waiting for an adequate stimulus to cause it to start. When a suitable stimulus arrives and the Dutch roll commences, we say excitation of the instability has occurred. We say the stimulus “excites” the Dutch roll motion. Dolphin (t) 01:08, 15 December 2019 (UTC)
thread_title:  Unclear paragraph under Mechanism