Monday, Jun 13, 2005 at 19:34
Hi Bob,
Here's my calculations for fuel...V6 petrol, and I know I have a safety margin....and I'm happy with it...I have detailed my reasons due to distance and remoteness of this trip...this information may help people make thier own decisions.
Given fuel will be used as we go the weight issue rapidly reduces...On first part of the trip we can accurately check consumption when we do the Warbuton, Popoels; Corner Birsdville section and restock at
Birdsville...I have an empty 20lt Jerry can which I'm taking empty but really do not expect to fill at
Birdsville.We also have to allow that we may have turn back beyond the half way point if we can't get through further up the
Hay River.
As to water I have 90 lt drinking water, for 8 days which is also generous but provides margin should any radiator problems surface.plus 5lt in the porta potty and 5lt in drink bottles....also not planning to shower.
Fuel test...done locally
Completed 779.km in the 120....add 5% further for the larger tyres ...actual
distance travelled 818km.
Fuel used 143.8lt....regular unleaded
That's 5.68km to each lt.
or 17.6lt per 100 km
55% driving was very short city trips into/out of
Geelong(loaded to around 70% of camping goods)
45% driving was good gravel tracks and sealed country roads...to Glen Aire and back ( loaded for weekend camping including roof rack load)
All driven in high range tyre pressure @36psi
For The
Hay River...
On board the main tanks hold 180..... 165 usable, plus 92 lt in the marine tanks ....total of 257lt.
For the desert trip...
Fully loaded and travelling on sand constantly...... say estimated consumtion of 22lt per 100.(25% increase on my test done above of 17.6lt per 100)
Therefore to cover 772 km of the desert section 170lt req.
Leaves 87lt margin...seems very generous,however with another 150/200 kg on board the base calculation of 22lt per 100 may end up higher.
Did another run last week around Mt Cole close to fully loaded and got 17.9lt per 100...no sand, no low range and 36psi (pressures will be lower on the actual trip which has no track....so 22.5 lt per hundred good starting point.
That's fair bit of detail ...cheers joe
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