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<p class=MsoNormal>Given the abundance of snap maneuvers(7 maneuvers, 9 snaps) in
the F-11 pattern, I feel compelled to give the exact description via the F3A
rulebook:<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>A snap-roll is a rapid autorotative roll where the model
aircraft is in a stalled attitude, with a continuous high angle of attack.<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>Snap rolls have the same judging criteria as axial rolls as
far as start and stop of the rotation, and constant flight path through the
manoeuvre is concerned.<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>At the start of a snap-roll, the fuselage attitude must show
a definite break and separation from the flight path, before the rotation is started,
since the model aircraft is supposed to be I a stalled condition throughout the
maneuver. If the stall/break does not occur and the model aircraft
barrel-rolls around, the manoeuvre must be severely downgraded(more than 5
points). Similarly, axial rolls disguised as snap-rolls must be severely
downgraded(more than 5 points)<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>Snap-rolls can be flown both positive and negative, and the
same criteria apply. The attitude(positive or negative) is at the
competitors discretion. If the model aircraft returns to an unstalled
condition during the snap-roll, the manoeuvre is severely downgraded using the
1 point/15 degree rule. <o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
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