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  1. #1
    Join Date
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    Default DIY roofrack for Xtrail T31 2012

    Hi all,

    Just a quick post regarding a DIY roofrack we (my father and I) constructed for my 2012 Xtrail.

    (For those interested, I also have a post detailing my drawer system here: https://www.4x4community.co.za/forum...-drawer-system)

    In summary:
    All sections are from 30x60 extruded aluminium, purchased from Modular Assembly (https://moduasm.co.za/) in Port Elizabeth.


    90 degree die-cast brackets as well as end-caps and black T-slot covers also obtained from them.

    Lengths:
    1110 x 2
    1195 x 8

    Weight: 16.5kg

    Total cost, excluding own labour and whiskey: just under R4k

    Wind noise (unloaded):negligible
    Fuel consumption impact (unloaded): none

    I will (try to remember to) update this post once I have more data about its behaviour under load.

    Assembling the roofrack is quite easy, though tightening the brackets can be a bit tricky until you get the hang of it.
    I recommend a glass of whiskey or beer while doing this. You will need it.
    (And by "a glass", I actually mean "many glasses")

    Fitting the roofrack to the roof depends on your situation.

    In my case my vehicle came with the Thule load bars. The vehicle was bought used and I don't have the keys to take them off, so did a bit of reading up on their load ratings, etc, and it seems they can easily handle the roofrack.
    We initially made brackets to slide in the existing t-slots of both the roofrack and the loadbars, however we realised that did not give as much purchase as we would have liked.

    We ended up making brackets to clamp the roofrack to the loadbar, which is much easier to adapt if needed, although taking it off / putting it on is not exactly a two-minute operation.
    That being said, it is easy enough for one person to do alone.

    Driving with the rack unloaded presents absolutely no feeling of additional roll, however as mentioned behaviour under load (I aim to place the spare tyre and gas bottle on top) still remains to be tested.

    All that being said, please excuse the photos being taken at night, I wanted to get it and this post done and dusted.
    Attached Thumbnails Attached Thumbnails Click image for larger version. 

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    Last edited by ajestza; 2020/08/24 at 10:59 PM.

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  3. #2
    Join Date
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    Default Re: DIY roofrack for Xtrail T31 2012

    Hi. Nice build.

    Question..... What is the strip package on the first pic.
    I suppose if needs be then i can also thread the profile as to not use the corner brackets. The bolts will then be exposed only

    Lastly did you use the same profile on the exterior as the slats inside.

    Regards

  4. #3
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    Default Re: DIY roofrack for Xtrail T31 2012

    Quote Originally Posted by Bfg699 View Post
    Hi. Nice build.

    Question..... What is the strip package on the first pic.
    I suppose if needs be then i can also thread the profile as to not use the corner brackets. The bolts will then be exposed only

    Lastly did you use the same profile on the exterior as the slats inside.

    Regards
    Hi, and thanks!

    So first question - those are plastic t-slot covers, also bought from Modular Assembly. They have them in various colours, too.

    Secondly, yes threading will work perfectly fine, I was just not keen on threading all those connection points.
    Be careful of your material choice of bolts, stainless against aluminium causes corrosion at the contact points (pardon if you already know this, I did not, a friend of mine mentioned this when he mentioned alternative fastening I might have done)

    And lastly, yes - 30x60 everywhere. Reason being that the vertically oriented ones can be mounted flat if needed, largely keeping the overall design the same. I did it that way since I had no idea how the upright 60mm would be as regards wind noise, but its perfectly fine as far as I am concerned.

  5. #4
    Join Date
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    Default Re: DIY roofrack for Xtrail T31 2012

    As an aside, here is the xtrail with roofrack and spare wheel.

    I drove with the wheel for a weekend to feel the stability and see if the rack seems stable, and indeed it is very much so. Wheel did not budge and rack didnt move either.

    BUT - fuel consumption drastically increases, by at least 2l/100km, in the configuration above, when cruising at highway speeds.
    In addition, the vehicle definitely feels the difference - I've got the auto 'box, and you can tell the gear changing is... just different.


    Click image for larger version. 

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