[NSRCA-discussion] Aileron Differential

[Del Rykert]

Is there a Doppler effect if the ear listening is moving at the same direction and speed as the source of the sound?  <g> 
     
    Del

----- Original Message ----- 
From: "Ron Van Putte" <vanputte at cox.net>
To: "NSRCA Mailing List" <nsrca-discussion at lists.nsrca.org>
Sent: Saturday, March 08, 2008 6:37 PM
Subject: Re: [NSRCA-discussion] Aileron Differential


> Yeah, that and the Doppler Effect.
> 
> Ron Van Putte
> 
> On Mar 8, 2008, at 12:49 PM, Keith Hoard wrote:
> 
>> The Coriolis Effect . . . .
>>
>> On Fri, Mar 7, 2008 at 5:53 PM, Nat Penton  
>> <natpenton at centurytel.net> wrote:
>> Some of you guys covered the following in various ways.
>>
>> There is drag due to lift because the lift vector ( force ) is not  
>> perpendicular to the flight direction. Drag is a function of lift  
>> and that component of the lift vector in the flight direction is  
>> called induced drag.
>>
>> Up, and down, both ailerons produce drag, but in unequal amounts if  
>> the wing is in lift mode. The difference in drag for pattern  
>> airplanes is small because of low wingloading ( low AOA ).
>>
>> The symmetrical airfoil plays a role in keeping the drag  
>> differential low because, to generate equal lift , upright to  
>> inverted, requires a different AOA for the non-symmetrical section.
>>
>> What did I forget?        Nat
>>
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>>
>>
>> -- 
>>
>> Keith Hoard
>> Collierville, TN
>> khoard at gmail.com
>>
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> 
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