Type of glider: Ventus 2cT/18m,

Takeoff location: Boulder CO (US / 9)

Map

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Flight details

Points for the flight 677.35
Distance
Points for the flight 580.76
scoring distance 685.3
Speed 114.4 km/h
Duration 05:59:28
Triangle
Points for the flight 96.58
scoring distance 379.9 km
Speed 62.6 km/h
Duration 06:04:14
Scoring class 18m
Scoring start 18:07:22
Scoring end 00:12:49
Index: 118.0
Club Soaring Society of Boulder
Date of claim 10.07.2020 01:40:24
state IGC-File: Flight:

Flight path

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TopMeteo - Weather Charts

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Comment

Declared a 750 km with 3 turnpoints (Dixon WY, Thunder Butte, Crystal Lakes). Start and Finish at Ward. Good climb off tow (west of Peak to Peak), quick start and fairly good run to the northwest. Some blue holes but nothing really hard. Wind relatively light (up to 20 kt at 17,500 ft, less below). High cloud bases (around 19-20k ft). This was my first trip to the northwest - it seems to be a much tamer soaring area than the front range. Thermals appear in predictable places and there are decent airports in glide range - at least if the cloud bases are high. Strong wind is often an issue so it's imperative to check in advance. The return trip was more challenging - I didn't really anticipate the cycle times correctly and more than once did a cloud dissolve when I got there. To compensate I found some lift in the blue. Got lower in North Park than I wanted and ended up taking a weak climb (a classic speed killer). Got a good look at the Poudre area because of the third TP (Crystal Lakes) and it looked ominously over developed. Virga, no discernable cus - not good. Continued south and hoped that the OD would dissolve and thermals would start up again by the time I would get back.
Once back on the Front Range the convergence was cooking. Fast run south from Longs Peak past Evans. Had to take a very western route to the to Thunder Butte because the area around Evergreen was also heavily overdeveloped. The west side of the clouds worked very well though. Turned Thunder Butte and headed back west to connect with the lift line. Once I got back to Evans it was obvious that the Poudre would remain unsoarable. Decided to give up on task at that point and headed back to Boulder. Nice flight with good variety of thermals and convergence and various air masses to deal with.

Pilot

- noComment -

OLC-Team

M+D Flugzeugbau
Peter H. Braasch
Bürklin
Segelflugschule Wasserkuppe
Siebert
Alexander Schleicher
Fliegerstrom
Deutscher Wetterdienst
WINTER Instruments
IMI Gliding
Rent a Glider
ILEC
TopMeteo
binder
Cobra Trailer
HPH
Tost
Air Avionics
LANGE Aviation GmbH
SCHEMPP-HIRTH Flugzeugbau GmbH
LXNAV
DG Flugzeugbau
FLIGHT TEAM
Bitterwasser
Jonker Sailplanes
TQ Avionics
Clouddancers