Throt/ Rud

[Anthony Romano]

Couldn't figure out how th/right rudder mix would work when making climbing 
pushes from inverted? Seems it would be worse. Tried a down to left rudder 
mix but only in horrible fall conditions. If I ever see grass again will do 
more.


Anthony

>From: "Cameron Smith" <dentdoc007 at bellsouth.net>
>Reply-To: discussion at nsrca.org
>To: <discussion at nsrca.org>
>Subject: RE: Throt/ Rud
>Date: Wed, 26 Jan 2005 18:19:18 -0500
>
>Chip has his own forum on RCU.I am not sure how attended it is. I'm sure
>he would answer questions there eventually.
>
>  I DO relate to his comments of : ," they do not have that funny yaw
>through the corners"  I am running 5 degrees of engine thrust & on
>corner radius leading to inverted flight I am noticing how I have to
>chase/lead  the exits with left rudder. I think this is what he is
>addressing.
>
>  I have reduced the amount of right thrust till it's noticed on the
>upline and then chase it there. "Really Sucks!" I put it back to
>4.something.
>
>  I hope to remove ALL engine thrust & try his mix when the wind lays
>down & it gets above 65.
>
>  There was a time I was scared to program mix Yaw to Pitch. I now have
>it in ALL planes. Even use slight down with Throttle for even nicer down
>lines.(When CG work has been exhausted.)
>
>
>  I wonder IF Don S or Troy N. could comment on this.
>
>
>-----Original Message-----
>From: discussion-request at nsrca.org [mailto:discussion-request at nsrca.org]
>On Behalf Of Nat Penton
>Sent: Wednesday, January 26, 2005 1:33 PM
>To: discussion at nsrca.org
>Subject: Throt/ Rud
>
>Cameron Smith relayed comments from Chip ( from RCU ) relating to how he
>uses a mix to eliminate the need for right thrust. I know Chip knows but
>he left me confused. Could someone clarify what he said?
>
>
>I run almost no right thrust in my planes and use the thottle to rudd
>mix at 2% left rudd. to throttle at idle. Thottle is the master rudd the
>slave. This makes the planes fly so much better when inverted at idle,
>they do not have that funny yaw through the corners. I have all but
>stopped using right thrust and do it all with the mix. What happens is
>the fin moves to the opposite side when inverted but the engine and prop
>don't know it, so the plane starts to yaw really bad due to spiraling
>slip stream.
>
>To set this up just go out and fly the plane straight away from yourself
>at full throttle and then go to idle and watch to see which way it yaws
>start with 2% and start it from half throttle on down.
>
>Trim it a full throttle with you rudder trim, and when you go to an idle
>if the plane yaws left you have to much mix, yaws right there's not
>enough. Have this screen up at take off and a buddy that can adjust it
>for you. Once you have it going nice and straight at idle and full go
>out and do a stall turn at the end of the box, on your way down do a
>half roll and exit inverted, you will be amazed how well it will go
>through that corner.
>
>Do that first before any other trimming. After that go with CG(45 degree
>upline 1/2 roll and it should stay on that line with little or no down
>elev.) then ail differential(1 Degree More up the Down) verticals(wing
>incidence .5-1 degree positive, then put the stab where ever it needs to
>go get the elevators to be neutral, you will at this time mix 1-2% down
>elevator with throttle for your down lines), and knife edge last (start
>with 5% up elevator with rudd.)
>
>Let me know how it goes and remember trim smarter not harder<G>
>
>Chip
>
>


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