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  1. #2001
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    Whats the weight versus footprint of a landy?

    My touareg struggles in mud and sand. I believe its due to the weight. She is a heavy girl.

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    Quote Originally Posted by MariusFourie View Post
    ......... I believe its due to the weight. She is a heavy girl.
    Yes, but the profile of the tyres also is a big factor. On a 315 x 70 x 16, I can get a lot bigger footprint at 0,8bar, than on a 315 x 50 x 18...
    LC 78 Troopie 1HD-FTE
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  3. #2003
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    Quote Originally Posted by MariusFourie View Post
    Whats the weight versus footprint of a landy?

    My touareg struggles in mud and sand. I believe its due to the weight. She is a heavy girl.

    Footprint is a matter of tyre pressure and side wall size.

    If you knew anything at all about building roads , you would know that surfaces can only tolerate a certain amount of pressure before collapsing.

    Loose Sand tolerates a very low pressure.

  4. #2004
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    Two vehicles can have the same footprint but weigh different. I know pressure plays a role in the footprint. Read my question. Im suggesting that the landy may do better due to less weight even though the footprint may be the same size as the other vehicles.

    Your cross posting to try and slander was poor. Try again.

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  6. #2005
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    Just one correction to get facts straight . Only the datsun, bmw and landy were on this day trip. The wrangler and disco were werner and benson on a previous trip. The datsun was on 285/75/16 (if I can remember the rimsize correctly. Landy 235/80/16 (again I think) .both were on 0.8. Bmw was on 245/50/1 and on 0.6 . We were just looking for a few nice dunes so were just driving around with the x3 in front, datsun second and landy last. This stuckie happened when I choose to drive down into the anthole because the dunecrest we were driving on ended in a sharp crest with awkward boow holes side. Tue landie is standing on the hard part of the dune , not more than a car width, I got stuck the moment the x3sank it wheels into the anthole. The datsun got stuck ontop of the dune on the other side of the hard part of the dune.

  7. #2006
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    Quote Originally Posted by MariusFourie View Post
    Two vehicles can have the same footprint but weigh different. I know pressure plays a role in the footprint. Read my question. Im suggesting that the landy may do better due to less weight even though the footprint may be the same size as the other vehicles.

    Your cross posting to try and slander was poor. Try again.

    You are wrong.

    If you have the same set of Tyres on two different vehicles at the same pressure , the footprint of the heavier vehicle will be greater.

    This is very basic physics.

    The pressure on the surface on which the vehicles rest remains the same .

    Also get someone to explain to you what slander is ...
    Last edited by Apocalypse; 2015/10/27 at 07:37 AM.

  8. #2007
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    Hence my question. What is the weight and the footprint?

    You really arent good at reading are you?

  9. #2008
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    Quote Originally Posted by MariusFourie View Post
    Hence my question. What is the weight and the footprint?

    You really arent good at reading are you?

    The footprint depends entirely on the pressure of the tyre. The lower the pressure the greater the footprint . But the pressure on the surface is the same no matter what the vehicle weighs , as a heavier vehicle will make a bigger foot print .

    As I said above . It's seems to me that you have the reading problem.

  10. #2009
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    ok the bmw weighs 1845 , cant find landie td5 and Navarra v6 diesel's weights maybe you can help ? then the slim okes can work out the pressure each vehicle had on each tyre ? I'm too stupid (-; . the bmw was on 0.6 , higher than what I normally use but this started out as just a quick sundowner trip ! hihi

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    There is a limit to how much you can deflate.

    The landy may have been lightweight with a big tyres that can deflate nicely giving it an advantage.

    Stop picking apart my posts and answer the question?

    Let me ask it in simple terms?

    What does a landy weigh?
    What tyres did the landy have?
    What pressures was he running?

    Did the above three questions lead us to believe the landy had an advantage? Due to its weight?

  12. #2011
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    If you assume the tyre has no inherent structure, or assume that 2 vehicles have identically constructed Tyres , the following applies:

    Say 2 bar tyre pressure

    A 1 ton vehicle and a 2 ton vehicle

    The one ton vehicle will have a total footprint over 4 Tyres of 1000 sqcm

    The 2 ton vehicle will have a foot print of 2000sqcm

    The pressure on the surface (2kg/square cm) is the same.

  13. #2012
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    Ok

    BMW KG 1845 , TYRE 245/50/18 , PRESSURE 0.6 , kw 225 nmt 400
    LANDIE kg ? , tyre 235/80/16 , pressure 0.8 , kw ? nmt ?
    NAVARRA kg ? , tyre 285/75/16 , pressure 0.8 , kw ? nmt ?

    That's all info I have , tried Nissan website for weight but cant seem to find it , am also interested what the downward pressures were. Come on guys ,who knows the missing info on this graph ?
    Last edited by Bartho; 2015/10/27 at 07:56 AM.

  14. #2013
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    Quote Originally Posted by MariusFourie View Post
    There is a limit to how much you can deflate.

    The landy may have been lightweight with a big tyres that can deflate nicely giving it an advantage.

    Stop picking apart my posts and answer the question?

    Let me ask it in simple terms?

    What does a landy weigh?
    What tyres did the landy have?
    What pressures was he running?

    Did the above three questions lead us to believe the landy had an advantage? Due to its weight?

    In that you can deflate the Tyres further without damaging the sidewall - yes.

    But a wider tyre with a higher sidewall can be deflated further on a heavier car.

    E.g my jeep with 35s can run at 0.4 bar at 2 tons.

    The defender, 1500kg with 33x10s is on the rims at that pressure .

    So it's more about the tyre and pressure than the weight of the car.

    A low profile tyre can't run the deflation that a high profile tyre can
    Last edited by Apocalypse; 2015/10/27 at 07:48 AM.

  15. #2014
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    But you need to move that weight.....

    Or are you saying there is no advantage to being lightweight in sand.... and all the variables that goes along being heavy or light?

  16. #2015
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    Quote Originally Posted by MariusFourie View Post
    But you need to move that weight.....

    Or are you saying there is no advantage to being lightweight in sand.... and all the variables that goes along being heavy or light?

    If you go in with a light weight vehicle and hard Tyres , you will be stuck in no time.

    Go in in a 8 ton armored vehicle with Tyres at 0.5 bar and you won't get stuck.

    Sure, power to weight ratio helps .

    A defender is not particularly light weight ... Nor powerful ...

  17. #2016
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    Quote Originally Posted by Apocalypse View Post
    If you go in with a light weight vehicle and hard Tyres , you will be stuck in no time.

    Go in in a 8 ton armored vehicle with Tyres at 0.5 bar and you won't get stuck.

    Sure, power to weight ratio helps .

    A defender is not particularly light weight ... Nor powerful ...
    Finally. Thank you for answering my question. Lecture and all.

  18. #2017
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    Ok

    BMW KG 1845 , TYRE 245/50/18 , PRESSURE 0.6 , kw 225 nmt 400
    LANDIE kg 2055 , tyre 235/80/16 , pressure 0.8 , kw 90 nmt 300
    NAVARRA kg 2150 , tyre 285/75/16 , pressure 0.8 , kw 170 nmt 550

    That's all info I have , tried Nissan website for weight but cant seem to find it , am also interested what the downward pressures were. Come on guys ,who can with this info give me downward pressure of the tyres ?
    Last edited by Bartho; 2015/10/27 at 08:18 AM.

  19. #2018
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    Quote Originally Posted by MariusFourie View Post
    Finally. Thank you for answering my question. Lecture and all.

    http://www.um.co.za/specifications/l...ty_(2002).aspx

    around 2200kg TARE for a 110 defender


    http://www.um.co.za/specifications/v...di_(2004).aspx

    about the same for a Touareg.

  20. #2019
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    Quote Originally Posted by Bartho View Post
    Ok

    BMW KG 1845 , TYRE 245/50/18 , PRESSURE 0.6 , kw 225 nmt 400
    LANDIE kg ? , tyre 235/80/16 , pressure 0.8 , kw ? nmt ?
    NAVARRA kg ? , tyre 285/75/16 , pressure 0.8 , kw ? nmt ?

    That's all info I have , tried Nissan website for weight but cant seem to find it , am also interested what the downward pressures were. Come on guys ,who knows the missing info on this graph ?
    this has that kind of info on most cars

    http://www.um.co.za/specifications/

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    Manne, kan ons nie vir julle 'n kamer by die naaste Formula 1 hotel huur vir die dag nie? Die thread gaan oor vassit nie fisika en grammatika lesse nie

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