Re: Light-Sport Aircraft Yahoo group RE: Answer to Rich's Question

The concept remains the same in all turns.  It doesn't magically change at 45 deg AOB.  It's just easiest to see and understand in knife edge and then back up from there to shallow banks and it still applies.  It appears you have either read none of the evidence and wish to remain ignorant, or you have and just enjoy the debate so you attempt to create controversy where none really exists.  It's pretty basic physics.

 

Please don't take up instructing in fixed wing. 

 

Have a nice day, I'm moving on. 

Jim Bair

 

From: Michael Huckle

Sent: Saturday, March 10, 2012 10:24 AM

To: Sport Aircraft

Subject: Light-Sport Aircraft Yahoo group RE: Answer to Rich's Question

 

 

Posted by: "Kevin" mailto:kmoberlypilot@yahoo.com?Subject=%20Re%3A%20Answer%20to%20Rich%27s%20Question  kmoberlypilot

I posted a question earlier in the week from Rich Stowell. Rich will be speaking on our Pilots League conference call on March 20th at 7:00p.m. The question was, "What is the primary control surface used to turn an airplane?" Below is a short excerpt from one of Rich's books that answers this question. I have also attached a link to a PDF of the entire section of his book for further explanation. You don't have to join the site to view it and/or download it. It's very interesting, especially given the wide range of responses.

Excerpt from Rich Stowell's Book, "Emergency Maneuver Training, Controlling your Airplane During a Crisis"

"Current flight training typically focuses on only two elements pertaining to turns: First, the rudder doesn't turn the airplane. Second, the horizontal component of Lift is the force that turns the airplane. Many training handbooks and flight instructors, however, fail to continue beyond this to identify the true turn control. Consequently, many pilots know which control surface doesn't turn the airplane, but aren't sure which of the remaining two really does. When pressed to name it, many respond that ailerons turn the airplane. In actuality, the ELEVATOR is our primary turn control."

Well.... from the time the question first arrived, I think I suggested

we agree on the turn under question.

We always knew that a turn at 75° AoB would be a different animal

to a turn at 15°.

Good luck to Rich or anyone else persuading anyone that 15° banked

turns use the elevator as primary control.

(other than what you normally do with the elevator,

viz; control 

airspeed)

The crossover to accepting elevator as primary control probably

occurs at about 45° AoB, but then only if you can forget how

you got to this AoB of 45° in the first place, and if you can forget

that to cancel the turn you -need- your ailerons again.

(good luck starting and ending turns with an elevator ;-)

Thanks for sharing, Kevin and Rich.

Cheers,

Mike

(as our old Pres Bill-C told us... depends on what the meaning of is is ;-)

The article then explains his reasoning and explanation. Please click on the link below to download the full article.

http://pilotsleague.com/conference/data/Stowell%20EMT%20Book%20Turns%20Excerpt-1.pdf

I will post the conference call details on here prior to the call in case anyone wants to listen in or ask Rich a question.

Safe Flying,
Kevin
PilotsLeague.com

 

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