[RCSE] Optimized thermal planes

2004-09-01 Thread John Erickson
I liked Paul's analogy of not using a Big Bertha driver out of a sand trap.
I really don't think our high performance planes are that far apart, but
just for discussion here are three categories:

Launching:  A plane that pulls hard (good set up), cleans up well, low drag
at high speed.  Weight not critical, in fact if the winch can take it a
little more helps.  Good plane at this:  NYK

Thermalling:  A plane that floats well but also has the ability to cruise
from thermal to thermal.  Can handle wind.  Wingloading in these conditions
can be a plus.  Good plane at this:  Icon

Landing:  A plane that flies slow well.  Good low speed handling.  Stable.
Light weight helps by minimizing slide.  Good plane at this:  Mantis

There are days when one plane can do two of these things really well, but
rarely all three.  I'm thinking of Phoenix a few years ago when a large
group of us were flying Addictions...backwards.  The heavier molded planes
didn't seem to have as much of a problem.

Then you have those soft thermal days when there isn't much wind and the
floater is about the best you can use.

All this is fine as we go chasing down the area in which we have a
deficiency.  Can't land?  Get a Mantis.  Can't thermal all over the sky?
Get an Icon.  Both planes, as a whole bunch of others are good enough multi
purpose toys.  What it really is all about is how skilled you are with the
plane you choose.  Most of us think there is a silver bullet out there
when the only bullet is a lot of practice and familiarity with one plane.

So the answer is to practice, but that is way too boring an answer.  In the
spirit of perpetuating the myth, I'd like to hear what everyone thinks is
the best plane in each one of these categories, and why.

JE
--
Erickson Architects
John R. Erickson, AIA


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Re: [RCSE] Optimized thermal planes

2004-09-01 Thread James V. Bacus
I think you all should keep your eyes wide open for that new silver 
bullet model.  Every time a new model comes out, sell what you have and 
jump on the new one, it's sure to be better and will give that edge.

Keep chasing those planes guys!
The guys that keep flying the same model season after season are boring and 
practice too much.


At 11:18 AM 9/1/2004, John Erickson wrote:
I liked Paul's analogy of not using a Big Bertha driver out of a sand trap.
I really don't think our high performance planes are that far apart, but
just for discussion here are three categories:
Launching:  A plane that pulls hard (good set up), cleans up well, low drag
at high speed.  Weight not critical, in fact if the winch can take it a
little more helps.  Good plane at this:  NYK
Thermalling:  A plane that floats well but also has the ability to cruise
from thermal to thermal.  Can handle wind.  Wingloading in these conditions
can be a plus.  Good plane at this:  Icon
Landing:  A plane that flies slow well.  Good low speed handling.  Stable.
Light weight helps by minimizing slide.  Good plane at this:  Mantis
There are days when one plane can do two of these things really well, but
rarely all three.  I'm thinking of Phoenix a few years ago when a large
group of us were flying Addictions...backwards.  The heavier molded planes
didn't seem to have as much of a problem.
Then you have those soft thermal days when there isn't much wind and the
floater is about the best you can use.
All this is fine as we go chasing down the area in which we have a
deficiency.  Can't land?  Get a Mantis.  Can't thermal all over the sky?
Get an Icon.  Both planes, as a whole bunch of others are good enough multi
purpose toys.  What it really is all about is how skilled you are with the
plane you choose.  Most of us think there is a silver bullet out there
when the only bullet is a lot of practice and familiarity with one plane.
So the answer is to practice, but that is way too boring an answer.  In the
spirit of perpetuating the myth, I'd like to hear what everyone thinks is
the best plane in each one of these categories, and why.
JE
--
Erickson Architects
John R. Erickson, AIA
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Jim
Downers Grove, IL
Member of the Chicago SOAR club,  AMA 592537LSF 7560 Level IV
ICQ: 6997780   AIM: InventorJim   R/C Soaring blog at www.jimbacus.net
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Re: [RCSE] Optimized thermal planes

2004-09-01 Thread Keith
Launching and Thermalling:  a 3.7m Sharon, of course  and if you just
set up your landing early and consistently, you can be very competitive
there as well!!  It's been awhile since I've flown TD or any sailplane at
all for that matter, but I'm going to get back into it, and my weapon of
choice will be the Sharon.

The last time I flew TD was in 2000, and both at Pasadena and at Visalia, I
was told by the winchmasters to back off because I was pulling so hard I was
burning up the winches.  In one contest, in the first early morning round
with foggy, misting conditions and no appreciable wind, I launched hard
enough to make an 8 minute time without trying very hard.  Just flew one big
square pattern over the field.  With the combo RG-15/7037 airfoil, big span
and high aspect ration, it flies very efficeintly and penetrates well in
even moderate winds, which is good because it doesn't have provisions for
ballast unless you modify it.  Making time is a non-issue by comparison with
many other models out there.  It IS big, so for you guys that tend to do a
lot of maneuvering in close when going for your landing, it will push you to
become much more consistent in your approaches and get set up properly much
earlier.  And it's heavier, with all that that implies, simply because of
it's sheer size.  That will affect landings also, and again requires more
skill and lower landing speeds at the tape.  Which brings me back to what
John Erickson posted earlier.  He really hits the nail on the head there.

It's YOU, the pilot, that makes the real difference!  Skill can't be bought
with a particular airplane.  Guys like Joe and Daryl have proven time and
again that they can win with almost anything, but I also know for a fact
that they fly more than most and have put more time into the hobby than
most.  If you don't push your personal envelope then you'll never get any
better.  The fastest plane does not always win the race on the slopes for
example.  A pilot who's smooth on the sticks, flies the straightest course
in the best lift zone and maintains energy better in the turns will usually
win if he has at least a competitive plane.  Soaring is much like that.
Knowing your plane and being consistent will do more for you than chasing
after the latest and greatest every season or two.

Keith McLellan
Bizjet driver
Go really, really fast... and turn left!
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