Chris,
I do not agree that DSing "is a slope flight." While it is true that typically
you use a slope flight to start DSing, it is clearly a different mechanism of
keeping the plane aloft. I do agree that you shouldn't be prevented from using
DS during a slope flight, but I think that the DS method of extracting energy
from crossing shear layers is just different than either slope or thermal
flying. It is a soaring skill that is distinct from these other techniques. If
you want to claim you are proficient at soaring, then you ought to be able to
use DS as another technique in your bag of tricks.
Regarding how to measure whether or not you are proficient in DS skills, in fact
DS does not have to be the typical elliptical circuits behind a slope like we
are used to. It can also be done on the front face by utilizing topological
features which create shear layers that you can exploit with DS. However it
would be much more difficult for a witness to judge whether you are really using
DS on the front side. The standard shear layer formed from wind blowing over a
ridge is also commonly found and so would make a better specification for
general rules applied to aspirants across the country. Within the realm of a
soaring accomplishments task, the standard circuits on the dark side would be
most appropriate to demonstrate you have acquired DS skills.
Just my NSHO and ramblings.
-- James
"[EMAIL PROTECTED]" wrote:
>
> When the LSF was formed the separation was very general, between slope and
> thermal. DSing is a slope flight so if you want to do 8 hours of DSing more
> power to you. Handlaunch has aways been a thermal task, so it naturally
> falls under that category. There has been some lee-way given for launches,
> either from a hi-start or winch. You may recall that LSF started out with
> ROGs for all line launched tasks.
>
> Electrics have a propeller, so don't even go there, it is a power event.
>
> Cross Country is already there within the Goal and return tasks. If you do
> a record attempt and set the record, I beleive it has been accepted as a
> contest win.
>
> With the planes of today, if you cannot do the tasks, then you should do
> more practicing. Nowadays, excpet for contests, the tasks can be completed
> so fast it is not funny.
>
> Chris Adams
> LSF 348 Lvl 5 (#8)
>
> ----- Original Message -----
> From: <[EMAIL PROTECTED]>
> To: <[EMAIL PROTECTED]>; <[EMAIL PROTECTED]>
> Sent: Friday, April 19, 2002 11:18 AM
> Subject: Re: [RCSE] LSF DS Task?
>
> > In a message dated 4/19/02 12:14:46 PM Mountain Daylight Time,
> > [EMAIL PROTECTED] writes:
> >
> > << I mean the spirit
> > of the program is to show proficiency in ALL aspects of soaring. Two
> types
> > of
> > soaring are recognized therein, thermal soaring and slope soaring. Don't
> you
> > think it is time to recognize the third and most exciting new type of
> > soaring,
> > Dynamic Soaring?! >>
> >
> > James,
> > I'm not sure it was ever intended to show proficiency in ALL aspects of
> > soaring. If so, you should also include handlaunch, electric sailplanes,
> > cross country, etc.
> >
> > JMHO,
> > Lenny Keer
> > RMSA, Colorado
> > RCSE-List facilities provided by Model Airplane News. Send "subscribe"
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> >
>
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