[NSRCA-discussion] Masters 2007 Figure "M" question - verticalsegments
vicenterc at comcast.net
vicenterc at comcast.net
Wed Oct 18 11:08:33 AKDT 2006
That is valid only for turnaround maneuvers.
VB
-------------- Original message --------------
From: Ron Van Putte <vanputte at cox.net>
>
> On Oct 18, 2006, at 8:19 AM, Stuart Chale wrote:
>
> > I think that this would fall under the general rules of all radii
> > being
> > equal and all line segments being equal. If line segments were of
> > different
> > lengths then the top of the maneuver and perhaps the bottom would be
> > different in different parts of the maneuver. That would call for a
> > downgrade.
>
> I don't agree that the line segments in different parts of a maneuver
> necessarily must be the same. We can use the Stall Turns W/ Half
> Rolls to make an altitude adjustment, so the two line would be of
> different length and no penalty should be assessed. The Square Loop
> must have line segments of equal length to preserve the geometry of
> the loop.
>
> Ron Van Putte
>
> >
> > -----Original Message-----
> > From: nsrca-discussion-bounces at lists.nsrca.org
> > [mailto:nsrca-discussion-bounces at lists.nsrca.org] On Behalf Of
> > Keith Black
> > Sent: Wednesday, October 18, 2006 1:13 AM
> > To: NSRCA Mailing List
> > Subject: Re: [NSRCA-discussion] Masters 2007 Figure "M" question -
> > verticalsegments
> >
> > Now that we're breaking this down, I'd like some clarification on the
> > section of the rule below that states:
> >
> > "The length of the vertical segments is not a judging criteria."
> >
> > In the strictest translation of this sentence I would say that this
> > means
> > that the two stall turns do not need to be the same height,
> > however, this
> > seems inconsistent will all other centered maneuvers where two
> > halves of an
> > object do have to match in size.
> >
> > A looser translation could be that the intention of this verbiage
> > is to
> > point out that a shorter 'M' should score as well as a taller 'M', but
> > assumes that both sides should be the same height (which isn't stated
> > anywhere).
> >
> > Unless otherwise clarified, I'd have to deduce that indeed the two
> > stall
> > turns don't have to be the same height.
> >
> > Keith Black
> >
> > ----- Original Message -----
> > From: "Glen Watson"
> > To: "'NSRCA Mailing List'"
> > Sent: Tuesday, October 17, 2006 12:10 PM
> > Subject: Re: [NSRCA-discussion] Masters 2007 Figure "M" question
> >
> >
> > Below is the Figure M description from page 79-80 of the current
> > AMA rule
> > book...Note the statement regarding rolls and stall turn direction are
> > pilot's option...I then found this statement "Edit page 79-80
> > Figure M with
> > ¼ or ½ rolls" to include ¾ roll options" on the NSRCA page under:
> > http://nsrca.org/competition/judging/Patterns2007
> >
> > Figure M with 1/4 or 1/2 Rolls: Model pulls up into one-quarter
> > (1/4) loop
> > to a vertical track, hesitates then performs prescribed roll,
> > hesitates then
> > executes a stall turn through 180 degrees, hesitates, performs
> > prescribed roll, hesitates then executes one-half (1/2) outside
> > loop to
> > vertical track, hesitates, performs prescribed roll, hesitates,
> > executes a
> > stall turn through 180 degrees, hesitates, performs prescribed roll,
> > hesitates then recovers with another one-quarter (1/4) loop to
> > level flight.
> > Direction of rolls and stall turns are pilot's option. The length
> > of the
> > vertical segments is not a judging criteria.
> >
> > Downgrades:
> > 1. Model not vertical at start and finish of rolls
> > and stall turns.
> > 2. Stall turns not exactly 180 degrees.
> > 3. Model does not execute prescribed rolls.
> > 4. Rolls not centered in vertical lines.
> > 5. Bottom of outside half loop not at same altitude
> > as entry and exit.
> >
> > Regards,
> >
> > Glen
> >
> >
> >
> > -----Original Message-----
> > From: nsrca-discussion-bounces at lists.nsrca.org
> > [mailto:nsrca-discussion-bounces at lists.nsrca.org] On Behalf Of
> > Jerry Budd
> > Sent: Tuesday, October 17, 2006 11:20 AM
> > To: NSRCA Mailing List
> > Subject: Re: [NSRCA-discussion] Masters 2007 Figure "M" question
> >
> > Hi Jim,
> >
> > Unless the maneuver has changed from 15 years ago all the rolls have
> > to be in the same direction, resulting in one stall turn being
> > canopy-facing you and the other being belly-facing you (your choice
> > as to which comes first). It's a tough maneuver, especially when the
> > wind is blowing other than down the runway.
> >
> > Jerry
> >
> >
> >> Bob
> >> My memory crutch is,when flying from left to right, the 1st 2 roll
> >> directions are left-left and 2nd 2 roll directions are right-right.
> >> When flying from the right to left,the 1st 2 roll directions are
> > right-right
> >> and 2nd 2 roll directions are left-left.
> >> Like Arch said the center half loop is inverted in both cases.
> >> Lotsa a upside down.
> >>
> >> Jim Ivey
> >>
> >> ----- Original Message -----
> >> From: "Archie Stafford"
> >> To: "'NSRCA Mailing List'"
> >> Sent: Tuesday, October 17, 2006 11:11 AM
> >> Subject: Re: [NSRCA-discussion] Masters 2007 Figure "M" question
> >>
> >>
> >>> Bob,
> >>>
> >>> It has to be inverted. The direction of roll must be the same
> >>> on every
> >> 3/4
> >>> roll therefore you end up inverted across the middle.
> >>>
> >>> Arch
> >>>
> >>> -----Original Message-----
> >>> From: nsrca-discussion-bounces at lists.nsrca.org
> >>> [mailto:nsrca-discussion-bounces at lists.nsrca.org] On Behalf Of
> >>> Bob Kane
> >>> Sent: Tuesday, October 17, 2006 9:53 AM
> >>> To: nsrca-discussion at lists.nsrca.org
> >>> Subject: [NSRCA-discussion] Masters 2007 Figure "M" question
> >>>
> >>> OK, I'm finally try to fly this thing with a
> >>> pencil . . . . . . one
> >>> question I have (so far) is the 1/2 loop between the two stall
> >>> turns in
> >> the
> >>> figure M: Does it matter if it is an inside or outside half
> >>> loop? The
> >>> aresti diagram posted on Flying Giants shows it as an outside
> >>> half loop
> >> with
> >>> no option. Thanks.
> >>>
> >>> Bob Kane
> >>> getterflash at yahoo.com
> >>>
> >>>
> >>>
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> >>>
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> >>
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> >
> >
> > --
> > ___________
> > Jerry Budd
> > Budd Engineering
> > (661) 722-5669 Voice/Fax
> > (661) 435-0358 Cell Phone
> > mailto:jerry at buddengineering.com
> > http://www.buddengineering.com
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> >
> >
> >
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