[NSRCA-discussion] Rudder

[rcmaster199 at aol.com]

All this talk about weathervaning vs. crab angle vs. which rudder you hold and when you hold it, has got me thinking about what?I do. I have to really think about it because most of the time I haven't much of a clue which rudder I hold and when....I just fly what it needs to keep the track straight. Track is the line inscribed by the CG. 


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Attitude on the other hand, shouldn't much matter, but it does in this way: continuously correcting attitude will show up as choppy, unsmooth flight, and be a downgrade even when track was preserved


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Bob, I THINK that on vertical up and down I hold opposite rudder, crabbing the model into the wind in both directions. Lessee...left to right breeze, vertical up... model top facing me...left rudder. Left to right breeze, vertical down...model top facing me...right rudder. Yeah... I think that's right.


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MattIK










-----Original Message-----

From: Bob Richards 

To: NSRCA Mailing List 

Sent: Tue, Oct 9 3:41 PM

Subject: Re: [NSRCA-discussion] Rudder







Jason,


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OK, yes, I agree with that description. What I was trying to say was that you will probably have to hold different rudder to maintain the vertical track of UP vs DOWN lines.


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Bob R.






JShulman jshulman at cfl.rr.com> wrote:



weathervane by cause of wind. If you straighten?the plane?out to look vertical, the track (actual line drawn) will move with the wind and not be vertical and be cause for a downgrade. Someone has a clip from the rule book covering all parts of this.


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Regards,

Jason

www.jasonshulman.com

www.shulmanaviation.com

www.composite-arf.com 



-----Original Message-----

From: nsrca-discussion-bounces at lists.nsrca.org [mailto:nsrca-discussion-bounces at lists.nsrca.org]On Behalf Of Terry Beachler

Sent: Tuesday, October 09, 2007 12:53 PM

To: NSRCA Mailing List

Subject: Re: [NSRCA-discussion] Rudder




Do you mean crab (induce by rudder) or weathervane as if the wind is applying a force upon the tail and causing a turn toward the wind about the vertical axis.



Terryb



At 12:10 10/9/2007, you wrote:




Hi Bob,

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The airplane should weathervane into the wind, as long as the track of the plane is straight (track- actual line/path of the plane). 

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Regards,

Jason

www.jasonshulman.com

www.shulmanaviation.com

www.composite-arf.com 



-----Original Message-----


From: nsrca-discussion-bounces at lists.nsrca.org [ mailto:nsrca-discussion-bounces at lists.nsrca.org]On Behalf Of Bob Wilson


Sent: Tuesday, October 09, 2007 8:53 AM


To: nsrca-discussion at lists.nsrca.org


Subject: [NSRCA-discussion] Rudder




Some great ideas.


I'm going to give the 60-70% rudder expo a shot and see how it works.




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I'd like to do the stall turns on low rate, as Jason reccommends, but when stall turning into the wind my practice airplane will not go vertical (on the downline) unless I have high rates (it weathervanes slightly towards the wind). 




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I also liked John Pavlick's recommendation on the two consecutive rolls.? I'm probably being too anal in coordinating rudder, aileron and elevator because I always seem to run out of room.




? 
So much to learn and the damn winter is coming!




? 
Thanks guys,




? 
Bob Wilson



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