[NSRCA-discussion] APPARENT GEOMETRY (PARALLAXED VIEW)
J.Oddino
joddino at socal.rr.com
Tue Apr 10 15:47:44 AKDT 2007
If you're talking about GPS, I found it doesn't like it when you go vertical
or inverted. Perhaps a new antenna system would work.
I did find I flew parallel to the runway better than I would have thought
and at the right distance.
Jim O
----- Original Message -----
From: "Fred Huber" <fhhuber at clearwire.net>
To: "NSRCA Mailing List" <nsrca-discussion at lists.nsrca.org>
Sent: Tuesday, April 10, 2007 3:41 PM
Subject: Re: [NSRCA-discussion] APPARENT GEOMETRY (PARALLAXED VIEW)
> I have heard the recording from that can be fed to Realflight and your
> entire flight replayed from any view the sim offers. (which means anywhere
> you place a camera when editing the field in G3.5)
>
> You can download a "model" of Chip Hyde's Genisis E-conversion for
> RealFlight G3.5 from the KnifeEdge Software site. (maker of the actual
> simulator) And there's info on making a photofield of your home flying
> site.
>
> That leaves... waiting for someone to put the logger in thier plane and
run
> it through all the sequences.
> (Not me.. I'd just give examples of how many downgrades you can get)
>
> ----- Original Message -----
> From: "Keith Hoard" <khoard at gmail.com>
> To: "NSRCA Mailing List" <nsrca-discussion at lists.nsrca.org>
> Sent: Tuesday, April 10, 2007 5:08 PM
> Subject: Re: [NSRCA-discussion] APPARENT GEOMETRY (PARALLAXED VIEW)
>
>
> >I think this is what we all need. . .
> >
> > http://www.eagletreesystems.com/Plane/5.htm
> >
> >
> >
> > On 4/10/07, Ken Thompson <mrandmrst at comcast.net> wrote:
> >>
> >> You are correct Georgie, that is my most serious flaw...
> >> ----- Original Message -----
> >> From: george w. kennie
> >> To: NSRCA Mailing List
> >> Sent: Tuesday, April 10, 2007 4:53 PM
> >> Subject: Re: [NSRCA-discussion] APPARENT GEOMETRY (PARALLAXED VIEW)
> >>
> >> Yeah, Ken. Especially if the wind is blowing IN.
> >> G.
> >>
> >>
> >> ----- Original Message -----
> >> From: Ken Thompson
> >> To: NSRCA Mailing List
> >> Sent: Tuesday, April 10, 2007 7:36 AM
> >> Subject: Re: [NSRCA-discussion] APPARENT GEOMETRY (PARALLAXED VIEW)
> >>
> >> Even vertical lines will appear to fall away from you, or so I've been
> >> told...mine aren't that straight to begin with...
> >> ----- Original Message -----
> >> From: Ed Alt
> >> To: NSRCA Mailing List
> >> Sent: Tuesday, April 10, 2007 6:04 AM
> >> Subject: Re: [NSRCA-discussion] APPARENT GEOMETRY (PARALLAXED VIEW)
> >>
> >> And all the lines will bend and not appear straight, Hey, I do that
> >> already!
> >>
> >> Ed
> >> ----- Original Message -----
> >> From: Fred Huber
> >> To: NSRCA Mailing List
> >> Sent: Monday, April 09, 2007 10:59 PM
> >> Subject: Re: [NSRCA-discussion] APPARENT GEOMETRY (PARALLAXED VIEW)
> >>
> >> The responsibility of the pilot s to PERFORM the corret geometry
despite
> >> the
> >> parallax view.
> >>
> >> The responsibility of the judge is to learn how the parallax will make
> >> the
> >> correctly flown maneuver look.
> >>
> >> About the only way I can think of to show the effects of parallax on a
> >> correctly flown turnaround maneuver would be to film it from as close
to
> >> perpendicular to the flight path as possible, and at the judges'
location
> >> at
> >> the same time. then play the tapes sumultaneously at a judging seminar.
> >>
> >> At the appx 45 to 55 deg observation angle of the judges station, a 45
> >> deg
> >> up/down line (half cuban) would appear steeper than what is actually
> >> being
> >> performed. If it looks like a 45 from the judge's station (holding up
a
> >> 9th
> >> gradeer's geometry class triangle), its too shallow. The appearance of
> >> 60
> >> deg (same method) would be closer to actually being the 45 deg line.
> >>
> >> Note that if the pilot doesn't make use of the full box, the parallax
> >> will
> >> be reduced... and that's not downgradeable.
> >>
> >> Verticals should still look vertical.
> >> ----- Original Message -----
> >> From: rcmaster199 at aol.com
> >> To: nsrca-discussion at lists.nsrca.org
> >> Sent: Monday, April 09, 2007 10:11 PM
> >> Subject: [NSRCA-discussion] APPARENT GEOMETRY (PARALLAXED VIEW)
> >>
> >> A question has been posted from an IMAC gentleman (who is trying to
write
> >> better IMAC rules) as to how Pattern people fly and judge skewed
> >> appearance
> >> of maneuvers at box ends or in center when tall maneuvers (Hourglass,
> >> Vert
> >> Sq 8, Rolling Ess, etc) are involved.
> >>
> >> Some of us have searched the book and found no wording written that
> >> describes what the pilots' responsibilities and the judges'
> >> responsibilities
> >> are in the performance of the skewed apparent geometry. There is a
> >> statement
> >> in the Judges Training tape in regard to end maneuvers.... that these
> >> will
> >> appear different even when accurately flown. The oness is essentially
on
> >> the
> >> judges to know how the True Geometry should appear when flown at an
angle
> >> to
> >> the eye, and must not downgrade for Apparent or Parallaxed appearance
> >> difference.
> >>
> >> Spoke with Don about this earlier today and we decided to present the
> >> question to the group and get some conversation going. We should be
> >> explicit
> >> in the book regarding how such Apparent Geometry should be
treated....ie-
> >> what is the pilot's responsibility and what is the judge's. Description
> >> improvements could be written over the next couple rule cycles.
> >>
> >> The pilot's responsibility may appear easy.... they simply need to fly
> >> precise geometry per the book. True enough, BUT.....consider what is
> >> actually flown, especially by the top guys, and what scores well. These
> >> are
> >> not necessarily as precise as one might think. The better pilots tend
to
> >> fly
> >> purposely flawed maneuvers that give the impression of precision.
> >>
> >> MattK
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> >>
> >>
> >>
> >>
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> >
> >
> > --
> >
> > Keith Hoard
> > Collierville, TN
> > khoard at gmail.com
> > _______________________________________________
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> > http://lists.nsrca.org/mailman/listinfo/nsrca-discussion
> >
> >
> >
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