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Kite Altitude World Record
Cable Downs is a 50,000 acre sheep station (ranch) 40 km northwest of Cobar in Western NSW, Australia. It is 750 km and 9 hours from Sydney by road. We attempt the records here because there are few aircraft in the low to mid flight levels. It is near to a weather station and Steve and Karen Viant agreed to host our attempts. On the map the red zone is allocated by our Civil Aviation Safety Authority (CASA) each time we make a series of attempts. The climate is dry with intermittent drought. It is hot in summer and cool in winter. We avoid the hot months because it has less favourable winds and is just too hot for us to tolerate. In winter the daylight hours are too short.
We have flown in March, April, September and October but September seems to offer the best prospects of good winds to high altitude. In the image below you can see a narrow field which is a disused airstrip built by a previous owner, probably when the land was more productive and there was optomism about making a good living from dry land farming. However, woody weed has gradually encroach on the arable land in the west of the state, reducing the stock carrying capacity. In 2009, Steve Viant cleared the scrub either side of the strip to create a 1.2 x 1.5 km field with scattered medium sized trees. There is now an open section about 500 meters wide with few trees. The open spaces now allows better positioning of the winch so line sag is not a such a problem.
In the first few years it was often difficult to keep the kite out of the trees on launch. The opening up of the field makes kite launches much easier and we can push more line out without snagging tree tops.
The properties for 100 km radius are dry land farmed with mostly sheep, some cattle and feral goats. Goats have become a source of supplimentary income, especially in times of low rainfall when yields from sheep flocks diminish. There is a heavy kangaroo population and in good seasions and emus abound. Foxes sometimes can be heard roaming the scrub at night. There is a heavy growth of woody weed, arcacia and medium height gum trees. The natural state before colonisation is believed to be a more open environment with larger, scattered trees and expanses of native grasses. The ceasation of indigenous burning plus over grazing is thought to have contributed to the change in the patterns of faunal growth, densities and species mixes.
When a kite comes down it can be difficult to locate in dense scrub as there are often no tracks near by. It is also very easy to become lost and disoriented as the millions of trees and bushes look the same. The terrain is gently undulating with large flat expanses so it hard to see the terraine beyond 100 metres. When it rains more than a few mm the red soil becomes mud and cars will bog easily. Even 4 x 4's will struggle when over 10 mm of rain falls. Rain is irregular but has impacted severely on the record attempts on 3 out of 6 occasions. This may be because the season chosen to fly kites is unstable, that is, early to mid spring when cold meets hot air. Cable Downs is a dry land farming zone with marginal rainfall so can be subject to water shortages. During periods of drought the dust, locusts and flies have made the strip a harsh place on which to fly big kites. Steve and Karen's hospitality more than make up for the hardships. It can be a place for very violent thunderstorms, especially in spring, but we have the woolshed to retreat to and we now bunk in there. The clear nights allow us to view a spectacular night sky like nothing we will ever see in the city. The kite altitude record attempts have become more than just the quest to beat the world record. It enables us to glimpse the life of people in remote communities. We can experience a degree of isolation, see how fortunate we are to have plenty of water and sniff the essence of another facet of Australian life. Even if we didn't break the record I will have come away richer for visiting this remote sheep station, Cable Downs.
Dyneema®, the world’s strongest fiber™
Top to bottom right:
1. Camping on the strip, the moon shrouded by cloud heralds rain.
2. 2,200 ft above Cable Downs a kite born camera captures the south side of the newly cleared paddock.
3. Satellite eye view 20,000 ft above the strip in 2004.
4. In 2009 a huge storm turns Cable Downs into a lake and Mike Jenkins looks on from the woolshed.
5. 2011 and the 2 Mikes carry the kite out in preparation for launch.
6. April 2005 and the tail end of a severe drought. Wind drought as well.
7. April 2009 and camping on a lake challenged our camping skills.

In the map below a 30 km diameter zone is granted by CASA for the duration of the attempts.
It extends to 17,370 ft above ground level.


Kite Altitude record

About us

Cable Downs

CASA

History

Kites

GPS

Theodolites

Dyneema

Winch

Wind

Techniques

2004 October

2005 April

2005 October

2007 April

2009 April

2010 April

2011 Sept

2012 Sept

2014 Sept

Contact
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From the eastern end of the strip in 2007 the green appearance hides a deceptively dry country.