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Xc Title
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Ken Wilkinson  All flights
National League 2017
Flight type image
Turnpoint Flight on a Paraglider
Club
Avon
Glider
Advance Iota
Date
6th August 2017
Start
11:22
Finish
14:24
Duration
3hrs 2mins
Takeoff
Milk Hill White Horse
Landing
Clapham
Coords
Takeoff
51.37270, -1.86027
Start
51.37212, -1.86178
TP1
51.99710, -0.74562
TP2
52.02493, -0.75165
TP3
52.09537, -0.67235
Finish
52.16402, -0.48762
Landing
52.16337, -0.48945
Distances and Score
Leg 1
103.89k
Leg 2
3.13k
Leg 3
9.54k
Leg 4
14.78k
Total
131.34k
Score
131.3
Open Distance
Total
129.5k
Filename
Use full pilot name
Download
Validated
Yes
Flight map
Notes

This map gives an overview of the flight, using the turnpoints to plot the track.

Use the for a detailed map and flight track.

Duration 0:00   Takeoff Distance 0
Controls
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Track data
Time: No data
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Units
Height: metres
Climb: m/sec
Speed: km/h
Distance: km
chart
Notes

Climb and Speed averaged over 4 second intervals.

These values may be lower than those shown by a flight instrument, which has access to continuous raw data.

Red values indicate suspect data, because the tracklog contains invalid points.

Metric units are used for all chart data, except for Height which is shown in feet.

Height   -   GPS data
Maximum Height
[12:40:28]
5062 ft
Lowest Save
[13:47:56]
1749 ft
Takeoff Height
[11:21:28]
810 ft
Landing Height
[14:26:15]
207 ft
Total Ascent 23264 ft
Height Gain
Above Takeoff 4252 ft
Units
Climb   -   Pressure data
Maximum Climb
[11:22:36]
4.3 m/s
Minimum Climb
[14:00:05]
-5.3 m/s
Units
Speed
Maximum Speed
[13:08:08]
78.3 km/h
Average Speed
around course
43.1 km/h
Average Speed
over track length
49.8 km/h
Units
Tracklog
Flight Duration 3hrs 4mins
Track Points 11087
Recording Interval 1 secs
Statistics Interval 4 secs
Track Length 153.5 km
Invalid Positions
[< 1%]
24
Units
Flight instrument   -   reported as
SKYTRAXX V1.69 SN:3547611133
Notes

Climb and Speed averaged over 4 second intervals.

These values may be lower than those shown by a flight instrument, which has access to continuous raw data.

Red values indicate suspect data, because the tracklog contains invalid points.

Average Speed around course is measured from Start to Finish points.

Track Length is the cumulative distance between track points from Takeoff to Landing.

You can change the default units displayed - see the Options page.

We had been discussing this day for some time and 'where to go' was the big discussion. I wanted to winch, but all the experienced XClent pilots preferred Milk Hill White Horse as the best option. This is a southerly, and the wind was forcast as a strong WSW! The spur on the end points into wind and that was where we headed. I really did not have any hopes for the day, but was happy to give it a go as I was already on 700+ points on my trusty Iota B+

All the stars were there and early on, an elite gaggle crept away early. The conditions went bad, and many side landed. I resolved to wait until I could see gliders climbing. Side landing on the spur is unpleasant. The fields ahead were in sun, and the hill was not properly soarable. Shortly, I could see those out front going up well and flew straight out to meet them, ignoring the 2m/sec lift I was in. Good choice as that quickly turned into 4 m/sec, and up we went! The whole area was lifting off and we screamed upwards, with many gliders experiencing collapses in the turbulent air. Even those flying in the Milk hill bowl joined us and maybe 30 gliders went XC, leaving a deserted hill. Base at 3500ft was quickly reached and many headed off to the next clouds. In spite of many markers, many seemed to be struggling and dropped out. I pushed forwards with Richard Osbourne and Tim Pentreath, Catherine Castle and others. The strong wind meant we were covering ground at an impressive rate, with 70kph regularly seen.

Near Wantage Tim, and Richard took a glide and lost a lot of height so that showed the way NOT to go, and I skirted round a series of clouds with a couple of others. After 1 hr in the air we were already at 42km! Oxford had loads of convergence clouds and straight lining through these around 4000+ft was easy. There was a disjointed line of clouds going towards Milton Keynes and several gliders marking lift. I had to crosswind massively over Milton Keynes (to avoid Cranfield airport) in massive sink, but despite losing more than 2000ft I got good reliable lift again. Here my decision making went a bit rubbish, and I failed to connect and use lift as well as I had been doing before, and finished up low north of Bedford, where I landed. A real pity as the sky was magnificent and the 200 was easily on and it was still early. I landed a bit after 2pm! One thing about this day was that the thermals were well formed, even low down, in spite of the strong wind. 131k in 3 hrs. Wow, that is moving! Good train connections, and a taxi to the car meant I was back around 8pm. A great day out.

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