[NSRCA-discussion] A question for the experts

[Scott McHarg]

LOL.  Someone has to.  Unfortunately, the honeymoon will have to wait.  4
kids and paying for the wedding ourselves put a dent in that idea.  I've
been told it's OK for us to go to the NATS but that WILL NOT be our
honeymoon!  We'll get it figured out.

On Fri, May 27, 2011 at 11:43 AM, Glen Watson <ghwatson at comcast.net> wrote:

>  There ya go picking on me again.
>
> How was the honeymoon?
>
>  ------------------------------
> *From:* nsrca-discussion-bounces at lists.nsrca.org [mailto:
> nsrca-discussion-bounces at lists.nsrca.org] *On Behalf Of *Scott McHarg
> *Sent:* Friday, May 27, 2011 11:04 AM
>
> *To:* General pattern discussion
> *Subject:* Re: [NSRCA-discussion] A question for the experts
>
> Mr. Watson,
>    Does this mean you will be flying FAI soon?
>
> Warmest Regards,
>   A soon to be Masters guy
>
> On Fri, May 27, 2011 at 10:23 AM, Glen Watson <ghwatson at comcast.net>wrote:
>
>>
>>
>> Dave, presents a good argument to fly FAI vs. AMA...AMA is judge more
>> harshly.
>>
>>
>>
>> -----Original Message-----
>> From: nsrca-discussion-bounces at lists.nsrca.org
>> [mailto:nsrca-discussion-bounces at lists.nsrca.org] On Behalf Of Dave
>> Lockhart
>> Sent: Friday, May 27, 2011 10:12 AM
>> To: 'General pattern discussion'
>> Subject: Re: [NSRCA-discussion] A question for the experts
>>
>> Matt,
>>
>> If you are judging by the rules, your answer must be different for FAI -
>>
>> 5B.8 WIND CORRECTION
>> All manoeuvres are required to be wind corrected in such a way that the
>> shape of the maneouvre as described in Annex 5A.  is preserved in the
>> model
>> aircraft's flight.  The exceptions to this grading criterion are in the
>> stall turns, and spins, where the model is in a stalled condition.
>>
>> My opinion is that the AMA book should be updated to be consistent with
>> the
>> FAI book on this topic, and the FAI book is clearly better suited to the
>> real world dynamics of stall turns in windy conditions.
>>
>> To answer Don's original question -
>> For AMA, by the book, - the maneuver is downgraded for drift.
>> For FAI, by the book, - the maneuver is not downgraded for drift.
>>
>> Regards,
>>
>> Dave Lockhart
>>
>>
>>
>> -----Original Message-----
>> From: nsrca-discussion-bounces at lists.nsrca.org
>> [mailto:nsrca-discussion-bounces at lists.nsrca.org] On Behalf Of
>> mjfrederick at cox.net
>> Sent: Friday, May 27, 2011 8:53 AM
>> To: General pattern discussion
>> Subject: Re: [NSRCA-discussion] A question for the experts
>>
>> I'm not sure where the notion came from that wind drift during a stall
>> turn
>> is not downgraded. In AMA judging criteria the only maneuver that
>> specifically mentions that no downgrade is given for wind drift is the
>> spin,
>> and that is only DURING the stalled portion of the maneuver. In a "stall"
>> turn there is no true stall of the wing as there is in a spin. If flown
>> with
>> the proper wind corrections on the up- and down-lines there should be no
>> noticable deviation in distance. If there is, the maneuver should be
>> downgraded because the pilot failed to make the proper wind correction.
>> Even
>> if there was a slight drift during the 180 turn at the apex of the lines,
>> the pilot should recognize that and incorporate the proper adjustment to
>> the
>> downline to bring the aircraft back to the original starting distance. To
>> me, it's no different than turbulence that might cause the aircraft to
>> temporarily deviate from straight and level flight. Adjustments must be
>> made
>> to return the airplane to th  e original line. I don't feel like pulling
>> up
>> the FAI rule book, so I just won't go there, but I'm not sure if my answer
>> would be any different.
>>
>> Matt
>>
>>
>> ---- tocdon at netscape.net wrote:
>>
>> A question for the judging experts.
>>
>> Figure M, both Masters and FAI- Yes I know the bottom line rule the best
>> presentation gets the best score, but a technical question.
>>
>> Maneuver flow  in a crosswind.  Plane starts maneuver at 140 meters
>> distance
>> out.  During the first stall turn the plane drifts out (recall this is a
>> stalled maneuver); second stall turn the plane drifts out again (same).
>>  Now
>> the plane wind corrects in all other aspects of the maneuver but exits
>> approximately 20 meters further out than the entry and no defects
>> observed,
>> but exit distance is 160 meters.  What is the score given for this
>> maneuver?
>>
>> Best Regards,
>>
>> Don
>>
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>
>
>
> --
> *Scott A. McHarg*
>
>
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>



-- 
*Scott A. McHarg*
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