Saturday, Feb 18, 2012 at 23:13
Hi Dean
By August the temperatures out in
the desert will be starting to rise again, in and around the low to mid 30's during the day, with mild to cool nights - perfect camping weather.
Now for the tyre pressures.
You will find that the eastern side face of the dunes will be steeper than the western side as you head out into
the desert. (my preferred crossing is an East to West crossing, better fun on the steeper dunes) There are big spacings between the swales in the eastern section of
the desert, compared to further west, which you will encounter as you head in from the K1 Line and onto the French Lines, very close to
Poeppel Corner. Sand conditions should be soft, but with 14psi, you will walk up the dunes no problems at all. Do not throttle off at the top of each dune, and be prepared for a quick change indirection. I have seen countless people going great up a dune, then as they near the top, back off the power, and then sit there spinning in the soft sand. Keeping momentum up will help you over the top and when you start to descend the dune, it is then safe to then just crawl down the dune.
You do not need any run ups for the dunes, either direction, less strain on your vehicle and going fast you will all be thrown into the air as you hit all the cut ups on the dune faces. I nearly always use 2nd high for all dune crossings except Big Red, but will get to that later.
You will not be going fast, mostly 3rd high, and in the longer swale spacings, into 4th. Speed wise around 30 kph, sometimes 40. At the top of each major dune - you will know about that as you travel, I would often put a call out over the UHF (Channel 10 preferred channel for a Simpson Crossing) to see if there are any vehicles heading my way. Make sure that you also have and use a Sand Flag for the safety of your family and so other vehicles can see you if they are close to you.
As you pass Eyre Creek, you will be getting into Gidgee Country, and this means usually good camping spots, and it is a great wood for campfires. One your return trip back, the dune faces will have longer run ups, but no where as steep as you will encounter on the way west into
the desert.
Now for Big Red, everyone's favourite dune of the Simpson to cross. Again you will hear of every way to cross this little mother, but again steady as you go and it is easy. I do however top my pressures down to 10 psi to make the crossing easier. I never hit the dune at speed and in fact always start at the very base from a standing start in 2nd low and then go into 3rd low after take off. Again keep the power up and make your change back to second very quick, with minimum loss of momentum and do not power off until you have all 4 wheels safely on top of Big Red.
Your van will be safe in the Caravan Park in
Birdsville, it is a top little park. As for fuel, 90 litres should be fine, but if you want peace of mind, then an extra 20 litres would be all that is required, as you are not doing a complete crossing.
Like my first reply, take your time and it will be easy to spend at least 2 nights out in our great
Simpson Desert.
Have a Safe Trip.
Cheers
Stephen
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