[NSRCA-discussion] Judging Question

Vicente Bortone vincebrc at gmail.com
Thu Aug 15 18:28:19 AKDT 2019


This is from FAI rulebook

5B.9. SMOOTHNESS AND GRACEFULNESS OF THE MANOEUVRE
Concerns the harmonic appearance of an entire manoeuvre; i.e. *maintaining
a constant flight speed throughout the various manoeuvre components,* like
in climbing and descending sections contributes significantly to smoothness
and gracefulness. Radii performed very tight or very loose, though being of
equal size within one manoeuvre may be subject for downgrading Smoothness
and Gracefulness.

For AMA is smoothness is not well described.  However, I think the first
sentence is equivalent to FAI or try to make it similar:

b. Smoothness and gracefulness
*A most general definition would relate to providing a smooth, flowing,
polished appearance in flight. *A perfect set of consecutive rolls should
have a constant roll rate from start to finish. A perfect loop must have a
constant radius defining a perfect circle. It cannot be made up of a series
of straight flight increments joined with sudden angular jerks. Rotations
in the pitch axis of the model should be made evenly, and show a constant
radius as the model transitions from line to line. Higher marks should not
be awarded for flying tight, high-g corners.

I don't think it is incorrect interpretation of the current rulebook.

Vicente "Vince" Bortone


On Thu, Aug 15, 2019 at 5:28 PM Anthony Frackowiak via NSRCA-discussion <
nsrca-discussion at lists.nsrca.org> wrote:

> Agree with Jerry. No downgrade for difference in aircraft speed. If you
> have been judging for constant speed that is incorrect.
>
> Tony Frackowiak
>
> On Aug 15, 2019, at 6:54 AM, John Decker via NSRCA-discussion <
> nsrca-discussion at lists.nsrca.org> wrote:
>
> The only reference to center in the list of downgrades is the point of
> hesitation. Presentation would be poor if asymmetrical in my opinion, hence
> I believe it would be a downgrade in addition to the change of roll rate
> which is a listed downgrade. .
>
> John
>
> On Thursday, August 15, 2019, 08:15:26 AM CDT, Don Ramsey via
> NSRCA-discussion <nsrca-discussion at lists.nsrca.org> wrote:
>
>
> I finally have the World Championships posted on my site in an easy to
> read pdf format.
>
> http://pages.suddenlink.net/donramsey
>
>
>
> An interesting judging question came up the other day and I would like to
> get some feedback from the group.
>
>
> Are rolling maneuvers, like the current Masters 2 slow rolls reversed, an
> asymmetrical maneuver?  If the maneuver finishes the first roll just before
> center (as it should) then changes the roll rate causing the line length of
> the second roll to be different from the first, should this be considered a
> centering error in additon to the change in roll rate.
>
>
> Don
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