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US contest scoring formula is broken by
Steve Koerner
Over the last several years I've found it quite annoying that I cannot
read the rules and understand the US scoring formula. The
calculation of US scores has become encumbered with so many correction
factors, devaluation factors and the like that mere mortals cannot
relate soaring performance to...
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Knowledge???? by
Bob Leve
I'm amazed at the number of seeming experts who are littering this site with passionately uninformed opinions yet don't seem to have the credentials or expertise of an infectious disease MD or actual governmental experience.
Lets get back to what this site is about: Sharing information about the...
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December 31st 20 05:26 PM
by jfitch
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Some LiFePO4 Battery Testing Results Manual and Automated by
John DeRosa OHM Ω http://aviation.derosaweb.net
Every year I test my two LiFePO4 batteries to gauge how long they will last during a flight. I decided to open the field a bit and also tested some soaring friend's batteries.
You can read about my simple cheap manual process (later automated - see below) here ...
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Tow rope musings - informal survey by
son_of_flubber
What is the initial new length of the tow ropes that you use?
Assuming that you cut off the worn portion near the ring and gradually shorten the rope, when does the rope get too short to use? How often do you measure the rope?
Do you usually discard used ropes because of visible wear, reduced...
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SPOT pricing going up again... by
[email protected]
I just got notice from SPOT Tracking that they are increasing fees again for my next annual renewal. A few years ago, they added a "network fee" of $9.99 to my bill. That is now going up to $14.99. It looks like for tracking service, yearly fees will go from around $162 to $199.99. So another...
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How I Learned to Stop Worrying and Love the Bomb by
son_of_flubber
(Title intended to add a bit of levity to serious post.)
Soaring can kill you, but how do we put that risk into perspective?
A statistics based Mortality Calculator helped me do that. I answered a few questions about my medical profile and age and it told me that statistically I have a 19%...
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January 23rd 14 07:05 AM
by Ramy
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Sigh... (USA) by
BobW
Not a good past 2 weeks per FAA prelims...midair (no reported injuries, thank
heaven!) apparently yesterday, & a takeoff groundloop a week ago Monday.
Three "substantially damaged" gliders.
IDENTIFICATION
Regis#: 101LV Make/Model: CEN Description: CENTRAIR 101
Date: 06/07/2012...
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LX NAV offers new V7 Vario by
Richard[_9_]
It is my great pleasure to announce a new product by LXNAV, V7.
V7 is a standalone digital speed-to-fly variometer and final glide
calculator with GPS input and PDA/PNA input/output. It is a great
companion to the Ultimate Le, Oudie, PDA or PNA.
See details later today at:
www.craggyaero.com
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XC Soar map help needed by
Ken Latam
Running XC Soar on an Ipaq 2215. The program loaded and runs fine as well
as the Flashcard GPS unit. My problem is how do you load the map data into
the program? I have gone to the Naviter web site and downloaded the map
covering this area,but can't get XC Soar to find it.
Ken
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I wish I'd never got into this... by
Kevin Neave
The original question stated a glider doing 100kts
with/without 100kgs of ballast.
Ignoring the stalling speed for the moment, Does anyone
out there think the pull-up takes more than 4 or 5
seconds?
Does anyone out there think that the sink rate of the
unballasted glider at 100kts is more than...
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September 19th 03 12:18 PM
by szd41a
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would an AOA indicator be helpful in a glider? by
mooseknuckel1
I am not a glider pilot, although I have been up with friends a few
times in the past, but I know the basic instrumentation is pretty
limited- and for good reason. However, would an AOA indicator increase
the efficency of gliding enough at best L/D, min sink and other
specific angles of attack...
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FAA Revoking Standard Airworthiness Certificate DG-505 by
NG
We imported a DG-505 Elan Orion built at the AMS Flight, d.o.o. (AMS)
factory in Slovenia in 2006. It came with a Slovenian Certificate of
Airworthiness and an AMS data plate. It was built under a German
Standard Airworthiness Certificate which designates AMS in Slovenia as
the manufacturer. DG...
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SeeYou Single Person License by
Jim Vincent
I was going to buy a copy of SeeYou from a friend since he uses Strepla for
his flight reviews. He contacted SeeYou, and they told him that the license
was specific to him only. My understanding of the US Uniform Commercial
Code does not allow for single user restraints down to a specific...
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Bronze Badge question by
[email protected]
80) What is the approximate proper airspeed to use when flying between
thermals on a cross-country flight against a headwind?
a) The best lift/drag speed increased by one-half the estimated wind
velocity.
b) The minimum sink speed increased by one-half the estimated wind
velocity.
c) The best...
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Contest Safety by
birddog bob
Why don't people in SRA and SSA get the message about contest safety?
A unnecessary loss of life because the FINISH GATE was used and not a
FINISH CYLINDER.
Charlie Spratt and the top racing pilots want the finish gate at
contests because it is so exciting! All the near misses in the pull
ups and...
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August 15th 05 01:00 AM
by BGMIFF
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Passenger Comfort..... by
[email protected]
I'm a relatively new commercial pilot and have had several passengers
with NPE...near puke events! Some have been uncomfortable from the
moment we start the tow, others at altitude and others while
thermaling. I keep the chatter going, recommend steady breathing and
to look at the horizon. I make...
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How Many Ways to Launch? by
Les Ward
I am interested in getting a sailplane and wondering what are the
various ways to launch. I am aware of the traditional methods.
Example= Steep downhill runway? Maybe I had too much coffee this morning!!
I live on Kauai and there are no Gliders on this Island at present.
Alo9ha, Les
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opinions on a K13 by
Scott Macleman
I am a member of the council for my University gliding club - fairly new
compared to most of the people in this forum, but hey i enjoy it.
We currently own a K13 aircraft with a (fairly) serviceable trailer.
we have been offered an Acro with no trailer, and in order to buy it we
will need to sell...
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REFINISHING by
Ventus B
All,
I have been looking into having my glider refinished. Casual
conversations with other pilots revealed that most think a "normal"
refinishing job would cost about $10k. After speaking with Gaines in
Georgia, I believe that is wildly optimistic. Gaines charges $60 per
hour, and he says the...
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