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elevator pitch stability.

Matronics Email Lists Forum Index -> Zenith601-List

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ggower_99(at)yahoo.com
Guest

Posted: Fri Feb 06, 2009 11:29 am Post subject: elevator pitch stability.

All airplanes need to get used to their particular controls...   Just practice a little, is part of the learning process.

  

 Some can remember when power steering was first installed in cars,  Most people thought that the low efort required to turn the steering wheel could  make people over steer and send them out of the road at highway speeds,  so they asked for normal steering in their new cars for years...  Now almost all cars are power steering and automatic transmission

  

 Saludos

 Gary Gower

 I rather park in a tight space with power steering...  

 Do not archive



--- On Fri, 2/6/09, annken100 <annken100(at)aol.com> wrote:



  	  Quote: 	
		  From: annken100 <annken100(at)aol.com>

Subject: Re: elevator pitch stability

To: zenith601-list(at)matronics.com

Date: Friday, February 6, 2009, 10:49 AM



 	  Quote: 	
		  --> Zenith601-List message posted by: "annken100"

<annken100(at)aol.com>



In one of Chris Heintz's letters, he mentions that the elevator purposely

has a lot of authority for "great low-speed controllability, excellent

ground-handling in windy conditions, and superior elevator authority in case of

incorrect weight & balance conditions."



The letter is here:

http://www.zenithair.com/zodiac/xl/data/ch-letter-601xl-3-25-2008.pdf

Ken Pavlou



--------

601 XL / Corvair





Read this topic online here:



http://forums.matronics.com/viewtopic.php?p 28866#228866





	
	


         [quote][b]

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bryanmmartin

Joined: 10 Jan 2006
Posts: 1018

Posted: Fri Feb 06, 2009 12:05 pm Post subject: elevator pitch stability.

It's not the amount of effort that causes a problem in most cases,  

it's the amount of control travel. In a car, as long as the steering  

wheel has to be moved the same amount to get the same deflection of  

the front tires, there is no problem controlling the car. If you only  

had to move the wheel half as far for the same deflection, that would  

cause problems. As it is, nearly all cars are designed with about the  

same amount of steering wheel travel. That makes it fairly easy to  

switch from one car to another without a problem. That's a good thing,  

since it seems that a lot of drivers can just barely walk and chew gum  

at the same time.



There was a big problem with the early F-16 falcons. The airplane has  

a fly-by-wire control system and, in the first few planes, the control  

stick did not move at all, it just sensed the force applied to it to  

determine how much control deflection to apply. Since the pilots had  

no motion feedback from the stick they found it very difficult to  

control the airplane. The stick was changed to one that could move a  

small amount against spring tension. This gave the pilots enough  

motion and force feedback to eliminate the problem.

On Feb 6, 2009, at 2:28 PM, Gary Gower wrote:



 	  Quote: 	
		   All airplanes need to get used to their particular controls...    

 Just practice a little, is part of the learning process.



 Some can remember when power steering was first installed in cars,   

 Most people thought that the low efort required to turn the steering  

 wheel could  make people over steer and send them out of the road at  

 highway speeds,  so they asked for normal steering in their new cars  

 for years...  Now almost all cars are power steering and automatic  

 transmission


	




-- 

Bryan Martin

N61BM, CH 601 XL,

RAM Subaru, Stratus redrive.

do not archive.

- The Matronics Zenith601-List Email Forum -

Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:

http://www.matronics.com/Navigator?Zenith601-List

_________________
--
Bryan Martin
N61BM, CH 601 XL, Stratus Subaru.
do not archive.

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