(Thanks to
the Darling Downs Soaring Club for permission to reproduce this item from its newsletter
CHAOTIC)
This article is intended as a guide for the preparation for badge flights and applies
to cross-country flying in general as well. I make reference to a number of computer
programs, websites and other services. These are documented in the 'Resources' section at
the end of the article.
Prepare your map
I suggest you splash out and buy a couple of WAC charts, cost approx $6. These are
available from Airsupport. (BW comment.
Their on line ordering system is very efficient). You will need the Brisbane section and
possibly the Armidale section. The Brisbane section covers most of the area we normally
fly in. The Armidale section covers an area starting just north of Warwick south to Port
Macquarie. These maps are 1 million to 1 scale making measuring tasks easy with a
centimetre ruler.
Once you have your map, cut out the section you need, write important things you may
need on the back, things like your name, your telephone number and the club telephone
number and get it laminated. For example my Brisbane section covers an area that goes as
far West as Wallumbilla, East to Toowoomba and North to Gayndah and South the edge of the
map and is only about 1 square foot.
On the front draw circles at 1 cm intervals to 6 cm around DDSC using a permanent
marker. Cover this with a piece of clear plastic. These circles allow you to see instantly
how far away from your intended finish point which you will need to use in conjunction
with a final glide computer. Also, for Silver distance you can quickly choose a turn point
more than 50km from the club.
Task planning
- There are two types of tasks associated with badge claims: Distance task flown around up
to 3 pre-declared turning points in any order. Goal task flown around up to 3 pre-declared
turning points in the order declared.
- If you have computer there are several programs available that make task planning very
easy.
- You can plan your cross-country tasks at home. Create a number of tasks and draw (or
print) them out on a piece of paper. Include the name of the turning points, distance, and
the compass headings for both directions around the task. Most turn points are towns,
airfields or grain silos all of which are clearly marked on a WAC chart.
- Having prepared tasks for the distance you want to achieve will save you time, leaving
with just a decision of selecting a task appropriate for the day. This preparation is
better than messing around with maps and rulers on the day trying to find something for
the distance you want to achieve.
Other things to do
- If you intend to use a camera to take turning point photographs make sure it works. If
you are not certain of how long the batteries have been in the camera replace them with
some fresh ones.
- Make a final glide computer for the glider you intend to use. You can use the Polar
Glider program, see Resources. In my opinion the JSW is the easiest to make and use, you
do not need to attach a map to the back of it or make it out of perspex. Just print it
out, cut the two pieces out, get them laminated and join together with a nut, bolt and
washers or some other suitable fastener.
- Prepare an outlanding survival kit (more detail on this next month). Briefly this should
contain a torch, a note pad and pen, emergency food and money.
The night before
The aim here should be to do as much preparation as you can so that there is less to do
the next morning. This includes:
- Fill your water carrier and put it in the fridge if you want ice cold water.
- If you are using one of the club's Winter barographs smoke the barograph, ensure it is
on the 10 or 12 hour setting and is fully wound.
- Load your camera with film.
- If using a logger upload or clear all traces so that there is no danger of running out
of memory. Check that the battery is fresh, and the pilot and glider details are complete
leaving you with just the declaration to make the next morning.
On the day
- Try to select a task such that the 'into wind' leg will be flown the in the best part of
day, early to mid afternoon, and the starting and end leg have a down wind component. Try
to avoid a long final leg into a strong wind.
How far can you go? First you need an idea of how fast you can go in the expected
conditions. Early cross-country pilots will probably be able to achieve 70-80kph on a good
day. This means that you will need around about 4 hours to do 300km. If you want to be
home by 5pm you'll need to get going by 1pm. Using your expected speed and duration of the
day (or the maximum time you want to spend on task) you can come up with rough time table
of when you can expect to be at your turn points. You need to exercise some judgment here.
If you find yourself at your second last turn point 5 minutes behind later than expected
that's OK. But if you find yourself 30 minutes behind and battling to get to the next one
you may want to consider abandoning the task and making your way home.
- Find an official observer and make your declaration.
- Carry plenty of water.
- Don't forget to arrange a crew before you go.
Resources
- Polar Glider: This program contains a glider database. It has facilities for
printing templates you can use to make your own final glide calculator. Will also print
out a polar curve for you. Available from the Geelong Gliding Club web site, site
resources section.
- Mike Codling has written a program that will assist you in creating tasks.
Available from Mike's home page http://www.users.bigpond.com/mcodling/
- See you: comprehensive task planning and data logger analysis. http://www.seeyou.ws/
- Garlink: A rather old upload/download program for Garmin GPS, designed for
boating. It does have a route planning facility. These routes can be printed out with
directions and length of each leg. You have to register it to use the upload/download
facilities. Still available from
http://vancouver-webpages.com/peter/garlink.zip
- Airsupport 3277 6066 also at http://www.airsupport.com.au
There are other programs available. See the DDSC website for more links.
All of this might seem lot work, but believe me, the effort is worthwhile.
Tony Cavanna
Darling Downs Soaring Club |
