Re: 2012 F1D World Championship Statistical Analysis

From: Yuan Kang Lee <ykleetx_at_gmail.com>
Date: Wed, 05 Sep 2012 17:56:56 -0000

Nick,

Schramm's 39+ flight was late in the afternoon round on Day 2 (Round 4). I also thought that a couple of Treger's 37+ minute flights were made late in the day.

Tapio posted earlier that he felt the air became the calmest late in the afternoon rounds.

I talked to Kagan over the weekend, and he felt that it was difficult to judge when in the afternoon the air was better vs. bad.

I wasn't there, so I can only speculate based on everyone's feedback. It seems that late in the afternoon may be a little better than earlier in the afternoon.

Regards,
-Kang

--- In Indoor_Construction_at_yahoogroups.com, Nick Ray <lasray@...> wrote:
>
> Kang,
>
> In the afternoon it was thought that air rapidly deteriorates. Lunch
> started at 1pm and ended at 3pm. We had from 3pm to 7pm to make our
> flights. Our goal was to fly as close to the start of the round as
> possible. Bred would launch close to 3pm, as soon as Brett was down John
> would launch. After John I would launch. In practice this meant that we
> were done with the round by around 5:30-6pm.
>
> Nick
>
> On Fri, Aug 31, 2012 at 2:33 AM, Yuan Kang Lee <ykleetx_at_...> wrote:
>
> > **
> >
> >
> > Nick,
> >
> > Thanks for your explanation. During the afternoon in rounds 2 and 4, which
> > go from around 1:30 pm to 7:00 pm, at what times were the flight windows of
> > you, John, and Brett?
> >
> > -Kang
> >
> >
> > --- In Indoor_Construction_at_yahoogroups.com, Nick Ray <lasray@> wrote:
> > >
> > > I supposed is good that people are talking about F1D. However, I do wish
> > > more attention was paid to how World Champs are run and flown. There are
> > a
> > > number of variables outside of the model and rubber than greatly impact
> > an
> > > individuals results.
> > >
> > > A defending world champion fly's with a major advantage they are their
> > own
> > > team. A national team is required to have all three of its members fly
> > > within the round. In Belgrade this meant that at least one team member
> > was
> > > going to have to fly in the worse air. A team manager can either choose
> > to
> > > share the best air by rotating the flight order or by giving to the best
> > > air to competitor they think will do the best. The later case is what the
> > > US did. This means thats not all the members on a team have an equal
> > > chance. The difference between Brett and John's high times could be
> > > explained by the order that they flew in.
> > >
> > > Secondly, mid-airs play a large part in the out come of the contest. They
> > > can hurt if your at the end of a great flight or they can help by
> > allowing
> > > you to restart a bad flight. There were probably over 50 mid-airs in
> > > Belgrade. I remember Ivan Treger having three in one round. There is no
> > > trim flying during the rounds of the world championships. This means that
> > > if you do trim fly in the morning or evening you are trimming the model
> > in
> > > air that is unlike what you will be flying in during the rounds. Judging
> > by
> > > Treger's constancy I doubt that the mid-airs helped him, but I know for
> > > other competitors mid-airs restarted bad fights.
> > >
> > > The third major variable is steering. For better or worse steering
> > > typically speeds up the prop RPM. This means that the model climbs more
> > > than what it was trimmed for and spins off more turns than what it was
> > > trimmed to do. Depending on when one is forced to steer, the model may
> > > climb into turbulent air around the disk at the top and then head for a
> > > wall while hitting the ceiling, or it may dead stick 40 feet above the
> > > floor because is average RPM was higher than expected.
> > >
> > > Schram's winning flight was a no steer flight. I know that all of the US
> > > team members would have preferred to not steer because of we wanted our
> > > models to fly the profile we had trimmed for, but it never seemed to
> > really
> > > work out. To keep from steering in Belgrade everything has to be perfect,
> > > the model, the rubber the launch spot, the wind and clouds outside as
> > well
> > > as the temperature. I think that no steer flights are more of a perfect
> > > storm than anything that can be predicted consistently.
> > >
> > > Maybe that will give some context to the discussion,
> > >
> > > Nick
> > >
> > >
> > >
> > > >
> > > >
> > >
> >
> >
> >
>
Received on Wed Sep 05 2012 - 10:56:58 CEST