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<DIV><FONT face=Arial size=2>I think that we over use the word stalled without
qualifying it.</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>We use it in;</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>1. The Stall-turn (Hammerhead) to mean that the
plane stops climbing.</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>2. In a spin-entry to mean that it has slowed
down, stopped flying and drops.</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>3. In the snap definition when the angle of attack
is increased, regardless of speed change, to stop the flying surfaces from
working normally. We say it is stalled. It is probably better described as a
high-speed stall.</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>The truth of the matter is that we have model
planes that can snap so quickly that we can't see all of the components. I
filmed airshow pilots, IMAC pilots and Pattern pilots all doing snaps. The
smaller the plane the less obvious it was that the plane snapped. You could see
that it did not barrel or axial roll, but beyond that it was exceptionally hard
to see a no-break error.</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>We owe it to the pilots to set a visual standard
that we can all adhere to. Words are not enough for this problem</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>Regards,<BR><BR>Eric.</FONT></DIV>
<BLOCKQUOTE dir=ltr
style="PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px">
<DIV style="FONT: 10pt arial">----- Original Message ----- </DIV>
<DIV
style="BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: black"><B>From:</B>
<A title=rcpattern@comcast.net href="mailto:rcpattern@comcast.net">Archie
Stafford</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, December 29, 2004 10:34
AM</DIV>
<DIV style="FONT: 10pt arial"><B>Subject:</B> RE: Displacement during snap
rolls (was Why is it so quiet?)</DIV>
<DIV><BR></DIV>
<DIV class=Section1>
<P class=MsoNormal><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">What I was trying to
say is that there must be a very definitive break in pitch must be noticeable
to guarantee a good score. <SPAN
style="mso-spacerun: yes"> </SPAN>Certain judges were concentrating more
on the break than I think they were the entire maneuver. <SPAN
style="mso-spacerun: yes"> </SPAN>I understand that the aircraft does not
have to have zero lift to stall.<SPAN style="mso-spacerun: yes">
</SPAN>Once again we come back to what is a snap and what is not. <SPAN
style="mso-spacerun: yes"> </SPAN>I don’t know how, but we will always
have these discussions as long we have varying opinions of what is a snap and
what is not. <SPAN style="mso-spacerun: yes"> </SPAN>It is one of those
maneuvers that is very commonly scored a 9, 9 ½, and a 0. <SPAN
style="mso-spacerun: yes"> </SPAN>The question is now figuring out which
scores are right and which ones are wrong and how to get rid of the gap
between the judges and to help the pilots to know exactly what everyone is
looking for.<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial"><o:p> </o:p></SPAN></FONT></P>
<DIV>
<DIV class=MsoNormal style="TEXT-ALIGN: center" align=center><FONT
face="Times New Roman" size=3><SPAN style="FONT-SIZE: 12pt">
<HR tabIndex=-1 align=center width="100%" SIZE=2>
</SPAN></FONT></DIV>
<P class=MsoNormal><B><FONT face=Tahoma size=2><SPAN
style="FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: Tahoma">From:</SPAN></FONT></B><FONT
face=Tahoma size=2><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: Tahoma">
discussion-request@nsrca.org [mailto:discussion-request@nsrca.org] <B><SPAN
style="FONT-WEIGHT: bold">On Behalf Of </SPAN></B>Dean Pappas<BR><B><SPAN
style="FONT-WEIGHT: bold">Sent:</SPAN></B> Wednesday, December 29, 2004 10:22
AM<BR><B><SPAN style="FONT-WEIGHT: bold">To:</SPAN></B>
discussion@nsrca.org<BR><B><SPAN style="FONT-WEIGHT: bold">Subject:</SPAN></B>
RE: Displacement during snap rolls (was Why is it so
quiet?)</SPAN></FONT><o:p></o:p></P></DIV>
<P class=MsoNormal><FONT face="Times New Roman" size=3><SPAN
style="FONT-SIZE: 12pt"><o:p> </o:p></SPAN></FONT></P>
<DIV>
<P class=MsoNormal><FONT face=Arial color=blue size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial">Hi
Karl,</SPAN></FONT><o:p></o:p></P></DIV>
<DIV>
<P class=MsoNormal><FONT face=Arial color=blue size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial">You already know the
answer to that! Rapid application of many "G"s causing the stall speed to
rise.</SPAN></FONT><o:p></o:p></P></DIV>
<DIV>
<P class=MsoNormal><FONT face=Arial color=blue size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial">Of course, first you
have to make lift to stall, which meand that you are starting to leave that
perfect vertical line.</SPAN></FONT><o:p></o:p></P></DIV>
<DIV>
<P class=MsoNormal><FONT face="Times New Roman" size=3><SPAN
style="FONT-SIZE: 12pt"> <o:p></o:p></SPAN></FONT></P></DIV>
<DIV>
<P class=MsoNormal><FONT face=Arial color=blue size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial">Happy New
Year</SPAN></FONT><o:p></o:p></P></DIV>
<DIV>
<P class=MsoNormal><FONT face="Times New Roman" size=3><SPAN
style="FONT-SIZE: 12pt"> <o:p></o:p></SPAN></FONT></P></DIV>
<P><FONT face="Times New Roman" size=3><SPAN style="FONT-SIZE: 12pt">Dean
Pappas <BR>Sr. Design Engineer <BR>Kodeos Communications <BR>111 Corporate
Blvd. <BR><st1:place w:st="on"><st1:City w:st="on">South
Plainfield</st1:City>, <st1:State w:st="on">N.J.</st1:State> <st1:PostalCode
w:st="on">07080</st1:PostalCode></st1:place> <BR>(908) 222-7817 phone
<BR>(908) 222-2392 fax <BR>d.pappas@kodeos.com <o:p></o:p></SPAN></FONT></P>
<BLOCKQUOTE style="MARGIN-TOP: 5pt; MARGIN-BOTTOM: 5pt; MARGIN-RIGHT: 0in">
<P class=MsoNormal style="MARGIN-BOTTOM: 12pt"><FONT face=Tahoma
size=2><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: Tahoma">-----Original
Message-----<BR><B><SPAN style="FONT-WEIGHT: bold">From:</SPAN></B>
discussion-request@nsrca.org [mailto:discussion-request@nsrca.org]<B><SPAN
style="FONT-WEIGHT: bold">On Behalf Of </SPAN></B>Karl G.
Mueller<BR><B><SPAN style="FONT-WEIGHT: bold">Sent:</SPAN></B> Wednesday,
December 29, 2004 10:18 AM<BR><B><SPAN
style="FONT-WEIGHT: bold">To:</SPAN></B> discussion@nsrca.org<BR><B><SPAN
style="FONT-WEIGHT: bold">Subject:</SPAN></B> Re: Displacement during snap
rolls (was Why is it so quiet?)</SPAN></FONT><o:p></o:p></P>
<DIV>
<P class=MsoNormal><FONT face="Times New Roman" size=2><SPAN
style="FONT-SIZE: 10pt">All,</SPAN></FONT><o:p></o:p></P></DIV>
<DIV>
<P class=MsoNormal><FONT face="Times New Roman" size=3><SPAN
style="FONT-SIZE: 12pt"> <o:p></o:p></SPAN></FONT></P></DIV>
<DIV>
<P class=MsoNormal><FONT face="Times New Roman" size=3><SPAN
style="FONT-SIZE: 12pt"> <o:p></o:p></SPAN></FONT></P></DIV>
<DIV>
<P class=MsoNormal><FONT face="Times New Roman" size=2><SPAN
style="FONT-SIZE: 10pt">I have a question on the aircraft to be in a
"stalled condition during a snap roll":</SPAN></FONT><o:p></o:p></P></DIV>
<DIV>
<P class=MsoNormal><FONT face="Times New Roman" size=2><SPAN
style="FONT-SIZE: 10pt">How do you get the airplane into a stalled condition
on a vertical downline snap?</SPAN></FONT><o:p></o:p></P></DIV>
<DIV>
<P class=MsoNormal><FONT face="Times New Roman" size=3><SPAN
style="FONT-SIZE: 12pt"> <o:p></o:p></SPAN></FONT></P></DIV>
<DIV>
<P class=MsoNormal><FONT face="Times New Roman" size=2><SPAN
style="FONT-SIZE: 10pt">Karl G. Mueller<BR><A
href="mailto:kgamueller@rogers.com">kgamueller@rogers.com</A></SPAN></FONT><o:p></o:p></P></DIV>
<BLOCKQUOTE
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<P class=MsoNormal><FONT face="Times New Roman" size=3><SPAN
style="FONT-SIZE: 12pt"> <o:p></o:p></SPAN></FONT></P></BLOCKQUOTE></BLOCKQUOTE></DIV></BLOCKQUOTE></BODY></HTML>