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<DIV><FONT size=4>Think about having the trim and thrust where you don't have to
do either?????<BR><BR>Ed</FONT></DIV>
<DIV> </DIV>
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<DIV style="FONT: 10pt arial">----- Original Message ----- </DIV>
<DIV
style="BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: black"><B>From:</B>
<A title=jpavlick@idseng.com href="mailto:jpavlick@idseng.com">John
Pavlick</A> </DIV>
<DIV style="FONT: 10pt arial"><B>To:</B> <A title=discussion@nsrca.org
href="mailto:discussion@nsrca.org">discussion@nsrca.org</A> </DIV>
<DIV style="FONT: 10pt arial"><B>Sent:</B> Wednesday, January 26, 2005 10:13
PM</DIV>
<DIV style="FONT: 10pt arial"><B>Subject:</B> RE: Throt/ Rud</DIV>
<DIV><BR></DIV>
<DIV><FONT face=Arial color=#0000ff size=2><SPAN
class=580554102-27012005>Ed,</SPAN></FONT></DIV>
<DIV><FONT face=Arial color=#0000ff size=2><SPAN
class=580554102-27012005> Don't think about inverted / upright / right /
left like that. It's all the same to the airplane. Upright the slip stream
hits the left side of the fin causing Left yaw. For sake of argument: Right
thrust will be used to counteract this. Inverted, the SAME THING happens.
Don't think right / left in reference to YOU, think left / right in reference
to the AIRPLANE. When inverted the slip stream hits the left side (still) of
the fin - unless the motor suddenly starts turning the opposite way. Same
thrust offset ("Right") required unless the slip stream goes away in a push.
Now if there's right thrust, you need left rudder to offset the right thrust
which is trying to make the airplane yaw right in the absence of the slip
stream air on the fin. If you still want to think about it the "other"
way, remember "left" rudder when inverted will make the plane yaw to the
"right" (in reference to YOU standing there watching the plane). Now I'm
getting confused.</SPAN></FONT></DIV>
<DIV><FONT face=Arial color=#0000ff size=2><SPAN
class=580554102-27012005> If you think about what Chip described: Trim
for straight flight at full throttle, mix left at idle. Another way would be
trim straight at idle, mix right at full throttle. That's what I've been
doing. Same difference. </SPAN></FONT></DIV>
<DIV><FONT face=Arial color=#0000ff size=2><SPAN class=580554102-27012005>
<P><FONT size=2>John Pavlick<BR><A href="http://www.idseng.com/"
target=_blank>http://www.idseng.com</A><BR> </FONT>
</P></SPAN></FONT></DIV>
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<DIV class=OutlookMessageHeader dir=ltr align=left><FONT face=Tahoma
size=2>-----Original Message-----<BR><B>From:</B>
discussion-request@nsrca.org [mailto:discussion-request@nsrca.org]<B>On
Behalf Of </B>Edward Skorepa<BR><B>Sent:</B> Wednesday, January 26, 2005
8:15 PM<BR><B>To:</B> discussion@nsrca.org<BR><B>Subject:</B> Re: Throt/
Rud<BR><BR></DIV></FONT>
<DIV><FONT face=Arial size=2>I'm confused too. I know, I know I shouldn't
argue with someone like chip but I believe the main reason we're putting
right thrust is an asymmetric vertical fin. On most conventional airplanes
the area above thrust line is much greater then area below. So, the
spiraling slip stream will hit the top portion of the vertical fin
from the left pushing tail to the right thus right thrust. When inverted,
the spiraling slip stream will hit vertical fin from the right because
fin is now on the opposite side and pushes tail to the left. To
straighten the flight path, we need now the left thrust which is already
there. During inverted push ups, why do we need to use left rudder? The
spiraling slip stream misses completely vertical fin and the right (left
when inverted) thrust is causing airplane to yaw left. If you have a big
gasser, turn on smoke, do inverted push up and watch where the smoke goes.
However, Chip's approach of fixing the inverted push ups problem is
quite interesting and I'll try it on my new bird I'm working on right
now.</FONT></DIV>
<DIV><FONT face=Arial size=2>ed</FONT></DIV>
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<DIV style="FONT: 10pt arial">----- Original Message ----- </DIV>
<DIV
style="BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: black"><B>From:</B>
<A title=natpenton@centurytel.net
href="mailto:natpenton@centurytel.net">Nat Penton</A> </DIV>
<DIV style="FONT: 10pt arial"><B>To:</B> <A title=discussion@nsrca.org
href="mailto:discussion@nsrca.org">discussion@nsrca.org</A> </DIV>
<DIV style="FONT: 10pt arial"><B>Sent:</B> Wednesday, January 26, 2005
11:32 AM</DIV>
<DIV style="FONT: 10pt arial"><B>Subject:</B> Throt/ Rud</DIV>
<DIV><BR></DIV>
<DIV><FONT face=Arial size=2>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?</FONT></DIV>
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