|Half Cuban Eight: Model pulls up and
executes five-eighths (5/8) inside loop to 45 degrees, hesitates, does
one-half (1/2) roll, hesitates, then performs one-eight (1/8) inside loop
back to level flight in the opposite direction as entry.
|Read that description carefully. Here's how it's supposed
to be done.
- Up elevator is smoothly added to make the plane fly a constant
radius 5/8th inside loop to a 45 degree inverted dive. You will
need to add down elevator at the completion of the loop to maintain
the 45 degree down line
- Fly a straight line in a 45 degree inverted dive.
- Execute a one-half roll to upright flight.
- Fly a straight line. This line is still on the same 45 degree down
line and must be the same length as the line immediately before the
- Execute a one-eights (1/8) inside loop to level upright flight.
Loop must be of constant radius, and radius must be the same
as the 5/8th loop at beginning of maneuver. Exit altitude must be
the same as entry altitude.
|Now for the downgrades:
- Loop segments not round with the same size and radius.
Both loop segments (1/8th and 5/8ths) must be of equal radius and
must be ROUND!
- Model not at 45 degrees before and after half roll.
Model must dive at 45 degrees. If the dive appears to be 45 degrees
to the pilot, it's too shallow! That's because you're looking at it
at an oblique angle, not straight on. If it is a true 45 degrees, it
will appear more like 55-60 degrees from the pilot's perspective.
- Changes in heading in loop segments or after half roll.
Model must remain parallel with the runway throughout the entire
- Half roll not centered in 45 degree line.
The two straight lines must be of equal length for the roll to be
- No hesitations before or after half roll.
If you skip either straight line segment (before or after the roll),
deduct TWO points!