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Pure Speed - My Fastest Cross-Country Glider Flight (173 kph average) 

ChessInTheAir
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This video shows my fastest cross-country flight ever in a glider and explains how high XC speeds can be achieved (if the conditions are favorable). I'm hoping that this can serve as a little tutorial for anyone interested in participating in the OLC Speed League - a global competition where glider clubs compete as teams against one another over an entire soaring season. The conditions on the day of the flight were clearly above average, but they are fairly typical for a good summer soaring day in Boulder.
My club, the Soaring Society of Boulder, tends to do well in the Speed League in the US and worldwide. Outstanding conditions, the ability to fly at high altitudes, and the fact that Boulder has a number of excellent pilots including several current and past US National Champions all play a role. In 2020, Boulder is currently in first place after seven Speed League Weekends.
(Unfortunately my camera stopped recording half-way through the flight and the fastest part of the flight (with ground speeds of more than 300 km/hour is only shown as a replay summary at the end).
The glider in the video is a high-performance Ventus 2cxT from Schempp-Hirth with a wing span of 18 meters.
The Speed League is an excellent way to practice for soaring contests. If you're interested to learn more about it, I recently published a beginner's guide that you can find here: chessintheair....
Scoring is handicapped based on the glider and you do not need the latest racing machine to score well. Club class gliders will do just fine!
The track of the flight is here: www.onlinecont...

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15 окт 2024

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Комментарии : 32   
@bradjackson9489
@bradjackson9489 4 года назад
Fantastic editing, filming and commentary. Knowing what you are doing and thinking makes this video easily one of the best. Hope to see more like it.
@ChessInTheAir
@ChessInTheAir 4 года назад
thanks!
@resiggy13
@resiggy13 4 года назад
Understatement of the year award: "Yeah, this works...15 knots."
@leontrepesch2875
@leontrepesch2875 4 года назад
Your channel is completely underrated! Love your tips, analysis, and the very useful visual extra animations, that help me a lot as an ongoing cross country pilot! Keep up sharing this informative and exclusive content! Greetings from Germany!
@jasonmcconathy9254
@jasonmcconathy9254 4 года назад
Congratulations on an exceptional flight! The additional commentary and analysis is excellent and much appreciated. Installed my FLARM today so see you in the air tomorrow!
@ChessInTheAir
@ChessInTheAir 4 года назад
thanks Jason! - Boulder is totally inverted today so I won't be flying. Tomorrow looks very good though!
@PureGlide
@PureGlide 4 года назад
Awesome convergence line! Love it. I wish ours had little markers at 17,000 feet rather than big black things with 2500 feet bases sometimes :) I guess the main advantage is you can use them right up to the tops!
@ChessInTheAir
@ChessInTheAir 4 года назад
The big black things came later in the day when the camera had stopped recording. That's when I had the highest speed of the flight. My fastest Speed League leg was 125 km with an average speed of 230 kph. No circling. Effective glide ratio 2715:1. The cloud base at that point was around 22,000 feet - I struggled mightily to stay below 18,000 (Class A airspace) flying just below VnE for that altitude.
@PureGlide
@PureGlide 4 года назад
@@ChessInTheAir Awesome stuff!
@davidnelson6603
@davidnelson6603 3 года назад
Thanks for sharing - I didn't get out west at all this year - I appreciate the comments you made - It helps with my learning 31DN
@ChessInTheAir
@ChessInTheAir 3 года назад
Thanks! Glad it was helpful!
@eduardofaria3897
@eduardofaria3897 3 года назад
Fantastic and instrtuctive video.I learned a lot. Greetings from POrtugal
@mgclements
@mgclements 4 года назад
I really like these type of videos, you can imagine what you might do in the same situation and compare. Making clear you thaught patterns is a great way to engage the audience, thanks!. BTW have to smile when you say 15kts, flat land UK half that is considered booming! (and rare)
@ChessInTheAir
@ChessInTheAir 4 года назад
thanks! I know I'm very lucky to be able to fly here. Have never flown in flat lands but will try sometime. I'm sure it's quite different - will be interesting to see how much applies of what I learned in the mountains.
@gercomar2892
@gercomar2892 4 года назад
Awesome flight and very informational also! Would love to have seen more of it, hope you got that camera battery thing figured out for your next flights 😉
@jirkamalej
@jirkamalej 4 года назад
Living a dream eh ? Got to go visit Boulder for this. Epic flight, Epic Stats, Epic Video. Thank you very much. You made my day. Cheers. (Some music in the blue parts next time please )
@dinos8557
@dinos8557 4 года назад
8Kt climb in straight flight, I wish I could find thermals to circle in that strong. Sure would increase my task speed.
@soaringhal
@soaringhal 4 года назад
Thanks for sharing - Colorado looks lovely :) I note I circle way more than you (did on this particular flight) :)
@motionsiik4964
@motionsiik4964 4 года назад
This is awesome! Thanks for posting. I would love to understand the best routes to get into the mountains from Boulder Municipal
@ChessInTheAir
@ChessInTheAir 4 года назад
I had the same question and tried to answer it by analyzing >50 previous flights from different pilots on days when the conditions were challenging to climb out. This will help you: chessintheair.com/launching-from-boulder/
@motionsiik4964
@motionsiik4964 4 года назад
ChessInTheAir Thank you! Great website and really nice job figuring out what most pilots do to get out of Boulder! They should have this at the airport for reference
@christianhoney4244
@christianhoney4244 Год назад
Were you thermalling that fast because it was a very windy day? Looked like you hat about 130kph while circling.
@SailFlyTri
@SailFlyTri 3 года назад
Like hunting rabbits with a howitzer with tactical nuclear rounds...that is flying in Colorado compared to Michigan lol. Fun video thanks.
@mustangthekitten7765
@mustangthekitten7765 3 года назад
which one is easier to fly
@vansmangt2122
@vansmangt2122 3 года назад
Looks like you use quite low angles of bank, judging by the coaming about 30 degrees? That said it’s a cracking day. What’s your inter thermal speed? Type of glider? Water?
@ChessInTheAir
@ChessInTheAir 3 года назад
Good observation re: bank angle. However, my avg. climb rate was 3.8 m/s (almost 8 kts) so I might have been a little sloppy... It''s conceivable that 10 kts might have been possible, but the difference between 8 kts and 10 kts makes very little difference to the overall speed achieved (unlike the difference between 1kts and 3 kts, which is huge!). Type of glider is in the video description. I don't remember if I flew with water that day.
@adamlhotak8180
@adamlhotak8180 3 года назад
Is Naviter oudie a good choice for a nav? Do you use XCSOAR on it ?
@ChessInTheAir
@ChessInTheAir 3 года назад
Hi Adam, I use an Oudie IGC. The benefits: it has a bright screen that can be read in direct sunlight (like any Oudie, much better that typical smart phone screens). It is portable, I.e. I can use it in different gliders - eg I also fly our club’s DG 505 and occasionally one of the Disci and this way I can use the same flight computer - same when I travel to Europe or elsewhere - I can use what I’m used to. The Oudie IGC also has an IGC flight recorder and a built-in battery that lasts an entire day (enough even for very long flights). In terms of software, I use mobile SeeYou from Naviter (comes with the device). XC Soar (or TopHat) is great too, it just depends on what you’re used to and like. Mobile SeeYou is quite powerful but you have to really get to know it to figure it all out. Same with XC Soar though. I also like that I can download the weather forecast from Skysight and overlay it on the screen. Quite helpful, especially when looking for convergence lines on blue days. You have to check if the Oudie can run XCSoar or TopHat, I would think so, but I don’t know. Hope this helps.
@90secondsofaviation86
@90secondsofaviation86 3 года назад
@@ChessInTheAir thanks a lot. I just completed my first solo so I'm just starting. I dont know what device is gonna put me in the right direction for the future or something that is gonna be easy enough for a beginner to use and eventually be able to use it in a more complex way.
@defaultgamer34857
@defaultgamer34857 4 года назад
0 dislikes a month later, good job.
@lautoka63
@lautoka63 4 года назад
And now 1 dislike (wasn't me). This is both interesting and making me jealous.
@PJH1111
@PJH1111 4 года назад
I hate it when the yawstring does that
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