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Thread: Best place to position a roof luggage box?

  1. #1
    landyprincess Guest

    Question Best place to position a roof luggage box?

    Hi All,
    apologies for the bombardment of posts here (been without the internet for close to 2 months while we waited and waited and waited for naked DSL to get provisioned!!) ... So here I am back on line... woot woot

    In preparing for our trip away, I have purchased a pair of heavy duty rhino bars that are gutter mounted and have a large luggage box to go on top of those.

    Factoring in wind deflection and the like, where is the best position on the roof to put the luggage box - ie more forward than backward?? If more forward... how far forward etc?? (Obviously the position of the luggage box will determine where the bars get mounted)... not sure if there was any 'rule of thumb' out there as such?

    Any help would be really appreciated :-D

    Thanks

    Lp

  2. #2
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    on mine i mount a 360ltr rhino box on the factory cross bars towards the front.

    your situation will depend if you have the long legs on the rhino bars, this will allow to position towards the rear and you will be able to stand on the back bumper to load/unload.
    if the rhino legs are only short then you will have to mount towards the front, position the box to the left or right to make loading easier.

  3. #3
    landyprincess Guest
    Hello,
    they are the Rhino Heavy Duty ones (RL280), long legs... The height of the rhinos once installed sit above the factory rails.

    The luggage box opens from the side, eitherway I will need a step ladder!! (no side steps at this stage )...

    Would you get more 'drag' / fuel consumption though with the luggage box positioned towards the rear?

    thanks for your help...


    Lp

  4. #4
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    to be honest i think the design of the box allows good aero dynamics so front or back will not affect ecomony much (especially if a td5) . if side opening put to the back and over to passenger side then you can stand on the rear tyre to access it easier.

  5. #5
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    Here's what I've noticed.

    I have a 2m Rhino tray on 3x sets RL210 legs (modified).

    If you have all your load towards the rear of the roof the disco will be rse heavy and will oversteer ... it's like trying to drive a pendulum ... I push all my weight where possible to the front of the tray to get some more weight on the front wheels, which makes it behave much better ... there's usually plenty loaded in the back as well (drawers, fridge, etc), and you can end up with all the weight over/behind the back wheels.

    I'd try it as far forward as possible.
    Kev..

    2014 Isuzu MUX LST with fruit
    2008 Isuzu D-Max
    2015 Kimberley Kamper "Classic"

    Gone ... 2004 D2a Td5 Auto "Classic Country" Vienna Green

  6. #6
    landyprincess Guest
    Thanks Yorkie and fluids, I will be towing a trailer with us so the weight at the rear makes sense to put the luggage box more forward (although i'm not expecting it to be super heavy - trailer or luggage box). Eitherway it will still be a pain getting stuff in and out but the left/or/right side makes sense, otherwise I had planned on centering it.

    I had thought about the leg up on the top of the wheel... but even then my arms won't be long enough ... so the step ladder still wins on that account LOL!

    Cheers,
    Lp

  7. #7
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    Quote Originally Posted by Yorkie View Post
    to be honest i think the design of the box allows good aero dynamics so front or back will not affect ecomony much (especially if a td5) . if side opening put to the back and over to passenger side then you can stand on the rear tyre to access it easier.
    If economy was to be affected, why would it matter whether TD5 or V8? Is extra drag dependant on the fuel used to drive the vehicle?
    Last edited by biggin; 1st September 2011 at 08:44 PM. Reason: Grammar
    2002 D2 4.6L V8 Auto SLS+2" ACE CDL Truetrac(F) Nanocom(V8 only)

  8. #8
    landyprincess Guest

    Wink

    Quote Originally Posted by biggin View Post
    If economy was to be affected, why would it matter whether TD5 or V8? Is extra drag dependant on the fuel used to drive the vehicle?
    ...i think fuel economy is out the window with a V8 in general (unless its on gas, but then is that a 'real' v8 anyway!?!) *gasp* (and yes, I have a V8 & only speaking on my experience here after having spent 2200 last month on some major work, I think 'economy' will still be the same... it's a v8 and thirsty.... hopefully it won't be like that on the open road as i've not taken it out on a long trip before other than a few hours here and there - can't comment on a TD though...)

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