Reading the Sand to cope with it…

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  • March 27, 2012 at 4:03 pm #1156

    Driving in sand takes experience to master. A lifetime of ‘regular’ off-road driving will not prepare you to drive perfectly in sand unless you grew up in sand. Sand does not hold the grip of tyres well at all. Sand always moves away easily from something pushing it and hot sand moves more easily than cool sand. Here are some tips:

    โ€ข Air down your tyres โ€“ letting air out of your tyres spreads the weight of the vehicle over a larger area so you sink less and push more softly.
    โ€ข Avoid wheel spin with lost forward momentum. First high can often be used to allow a vehicle to idle with wheel spin as long as forward progress is still made โ€“ never dig in.

    In sand with a soft top layer and hard under layer, try to use high ratio gears, but if momentum is consistently lost use low ratio with high gears. Between all gears and ratios, the correct speed and torque ratio is usually available. Test out all options while you can still move, but remember all vehicles are different, so do not generalise or listen too much to passengers who think they โ€˜knowโ€™ the correct gear and speed. You know yours and your vehicle’s abilities better than others.

    Assess sand type and conditions: here are some general lines to follow on a scale of 1 to 10, 10 being bad.
    Dry sand types: Cold shady โ€“ 1; Cold sunny โ€“ 3; Hot shady โ€“ 6; Hot sunny โ€“ 10.
    Wet sand types: Cold shady โ€“ 1; Cold sunny โ€“ 1; Hot shady โ€“ 4; Hot sunny โ€“ 6; Very wet โ€“ 10.
    Assess texture: waves โ€“ usually means fairly ๏ฌrm โ€“ 1โ€“6; smooth โ€“ 3โ€“10 โ€“ walk it; hillside (dune) โ€“ usually loose and deep 7โ€“10; Crusty โ€“ 1โ€“4.
    Assess colour: lighter than surrounding โ€“ softer and dry; darker โ€“ ๏ฌrmer and wet.
    Assess terrain in dunes: top of hills โ€“ usually ๏ฌrmer due to soft sand being displaced by wind; leeward side of hill/dune can be very soft so take care; troughs of hills are soft, usually accumulations of light blown sand.

    Depth perception is very easily lost in sand, so pay close attention to texture and colour changes. A change in colour or texture may very well be a dip, hill or hole, so take care โ€“ at high speeds this can spell disaster. Avoid other vehiclesโ€™ tracks in soft sand. Stay on other vehicle tracks on hard sand as this minimises environmental damage and avoids sinkholes. Avoid vegetation. Use high ratio and higher speeds in soft dune areas.

    Ascend very large soft dunes at an angle to hill grade. Rarely do you turn your side to a hill, but often you must to keep up the momentum to climb the dune. This minimises loss of traction due to grade of hill, but remember that once sand starts to โ€˜avalancheโ€™ it is hard to stop it. Large dunes may have to be traversed in large zig-zag motions in order to keep the general line of direction. The turns during the zig-zag should be smooth and even. Once the summit of the dune is reached lift throttle and slow momentum โ€“ do not go over the top of the dune. At the top slow down and turn to drive along the ridge of the dune. Get out and check sand on leeward side for structure type and drivability.

    Driving down dunes, use higher gears and donโ€™t brake. If your nose begins to sink or the rear of the vehicle begins to lift, apply throttle and steer straight down the slope to regain control. In the troughs of dunes, as you descend a dune donโ€™t ascend the next. Instead, turn gently parallel to the dunes to gain or retain speed or ๏ฌnd hard sand. Keep your momentum until safe! Remember, the lee and trough of a dune holds the softest sands.

    March 27, 2012 at 5:32 pm #16389

    :ymapplause: :ymapplause: :ymapplause: :-BD :-BD :-BD

    March 27, 2012 at 5:58 pm #16391

    Nice, now we need to implement in rel life. ๐Ÿ˜€ :ymapplause: :ymapplause: :ymapplause:

    March 28, 2012 at 5:17 am #16396

    nice.. info…on sand…

    March 28, 2012 at 5:57 am #16398

    Thanks Thanseer for the useful information…. :drive:

    March 28, 2012 at 8:06 am #16402

    Thanks Thanseer !!! Nice Concise information.

    March 29, 2012 at 1:22 am #16432

    ๐Ÿ˜€ Sattu, u r great!!!

    March 29, 2012 at 5:40 am #16436

    ๐Ÿ˜• Satwinder !!! Sudhar Jaoo !!! ๐Ÿ™‚

    March 29, 2012 at 7:02 am #16442
    quote j3r3miah:

    Tanseer,

    perhaps you could generate a chart with colors and codes for us to know to approach & cope up..

    something like this

    Satwi… :)) :)) :)) you are great man… From where are you getting these ideas!!!???

    However its depend up on person to person how to approach & Cope up… But, not only consider the colors but also the firmness… otherwise the consequences will be unpredicted….

    March 30, 2012 at 7:08 am #16464
    quote Desert King:

    But, not only consider the colors but also the firmness… otherwise the consequences will be unpredicted….

    ๐Ÿ˜• This is experience articulating !!! ๐Ÿ™‚

    February 7, 2013 at 5:33 pm #23029

    :YMBRINGITON:

    February 7, 2013 at 5:56 pm #23030

    :thanks: Thanseer, very useful info…the more you drive the more you experience, the better you cope, can’t do this from an armchair ๐Ÿ˜€

    February 7, 2013 at 6:28 pm #23031

    Useful info mike… :ymapplause: :ymapplause: :ymapplause: :thanks:

    February 7, 2013 at 6:31 pm #23032

    :ymapplause: :ymapplause: :ymapplause:

    February 8, 2013 at 7:29 am #23036

    Thanks Thanseer, good information.

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