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Thread: LR Disco '94 to Haul Dirtbike

  1. #1
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    LR Disco '94 to Haul Dirtbike

    Hello.

    I have the LR Disco 1994 model (Series 1 I think).

    I want to haul my 105kg dirtbike on this Hitch type Device using my existing Hayman Reece Tow frame embedded into the vehicle frame. It is called 'Ultimate MX Hauler'.

    The tongue weight of this device is 500lbs. The max weight on the MX Hauler is 375lbs. I think the weight of the unit is either 30lbs or 60lbs.

    I have considered a bike trailer, but too cumbersome, etc. for this application, and do not wish to go down this path.


    These links show the same device in different ways:

    http://www.cyclegear.com/spgm.cfm?L1...=UMX_104-BLK_G

    UltimateMXHauler

    MAD Ducati - Slide Show

    [ame="http://www.youtube.com/watch?v=Np7PnzUhGng"]YouTube - Ultimate MX Hauler Motorcycle / Dirt Bike Hitch Hauler Carrier[/ame]


    From a legal, safety, vehicle handling and structural integrity point of view - how would my vehicle cope with this unit hitched to the rear via my embedded Hayman Reece Towball/Sleeve hauling my 105kg bike on the street, hwy and slight track (nothing too serious in terms of potholes, hills, etc)?

    Byte

  2. #2
    alien's Avatar
    alien is offline A Keeper of the TGO Silver Subscriber
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    I wouldn't think it would be any different to putting a trailer on weight wise.
    It would load the same as a caravan with a simmilar ball load.
    I'd like to know what others think too.

    The few comments I can think of are..
    A/ What will that weight(plus your fuel and gear) do to the rear of the Disco?
    ..You might be in need of springs for the weight.
    B/ Will the bike fitt on with the spare wheel fitted on the back door?
    ..Look at where your tow ball is now compared to the rear of the tyre.
    C/ What lights are being blocked from vision? And the number plate too.
    ..May have to make somthing up like the boaties do to hang off the back when in use.
    Cheers, Kyle



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  3. #3
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    A long time ago I used to drive a 1600cc Galant with a bike rack attached to the tow bar - it carried my Honda SL125 without too many problems but reached its limit with four guys onboard and a boot full of gear.

    I used to travel between Melbourne and Sydney on the old Goat Track. So a Disco should have no issues.

    Garry
    REMLR 243

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  4. #4
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    thanks for replies.

    did a quick measurement.

    the width of vehicle - 1.75m
    the width of my bike (front tire tip to rear tire tip) - 2.35m

    so, lots of overhang on each side

    should i even continue contemplating this idea with such a large overhang on both sides of vehicle?

    is this even legal to have this much overhang?

    byte

  5. #5
    alien's Avatar
    alien is offline A Keeper of the TGO Silver Subscriber
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    It's only a foot either side
    Lots of vans of the same width on the road but...
    You need to see whats happening behind you so miror extentions maybe.
    Alot of width for the tracks your going in on too.

    I think you'd just attract unwanted attention to yourself at that width.
    Even if it was legal(I don't know about side overhang) you would have to prove it each time you get "lets have a chat" lights behind you

    What did you have agaist a trailer?
    I know of a few guys who have vans for their bikes now(Transit van ect.).
    Tie the bike in the back and no security issues when at the shops.
    When out chain the bike to a tree and sleep in the back.
    Lots of room for amps and doof doof music too
    Cheers, Kyle



    The Good Oil.
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  6. #6
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    thanks alien d2.

    i am glad i spent the time posting this thread today - saved me alot of heartache and dollars in case i went ahead with this unit.

    i will not pursue this unit any further.

    actually, i do have a bike trailer - but was trying to find better alternatives.

    Perhaps i should put new plate on it and rig the bike up properly, and use it afterall.....

    Using a van would be ideal, but i don't think the rs would allow a third car in the family and i don't want to give up my trusty landy

    byte

  7. #7
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    OK...


    I walked my birtbike up to rear of the Landy and observed the overhang on each side is not as much as I thought.

    I think it may be a goer.

    I will contact the local Roads Dept on Wednesday and get clarity on what the law states about this overhang.

    I am thinking of still proceeding with this choice now and will definitely use an external set of portable lights / number plate to hang on bike also.

    My only query now is this - the tounge weight capacity of the Hayman Reece Towbar.

    I know it can easily cope with towing, but how would it cope with a 105kg weight hanging off it with the weight force (with gravity) always downward.

    Will the sub-frame of the towbar fatigue?

    How would I know this sub-frame is strong enough?

    Byte

  8. #8
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    I believe the smallest tow ball weight for a Hayman Reece on landie is the Disco 1 at about 120kg. Most are greater.

    So as long as your bike and rack weigh less that the max tow ball weight you will be fine. You towbar plaque will list the ball weight.
    REMLR 243

    2007 Range Rover Sport TDV6
    1977 FC 101
    1976 Jaguar XJ12C
    1973 Haflinger AP700
    1971 Jaguar V12 E-Type Series 3 Roadster
    1957 Series 1 88"
    1957 Series 1 88" Station Wagon

  9. #9
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    thanks.

    The plaque states 120kg max loading.

    Damn it - Looks like I will be around 10kg over this limit when the total mass of both carrier and bike added together.

    I know these things have safety factors built into them, so your thoughts on putting a 130kg mass on this towball which is rated at 120kg max??


    Byte

  10. #10
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    I am sure it will take it BUT you are eating into the safety margin - the whatiffs apply - such as what if you hit a deep hole doing 100kph and due to the downward acceleration the effective weight is momentarily increased over the bars max safety load. There are also insurance issues to consider.

    Personally I wouldn't - after a year of lugging my bike around on the back I bought a trailer.

    Garry
    REMLR 243

    2007 Range Rover Sport TDV6
    1977 FC 101
    1976 Jaguar XJ12C
    1973 Haflinger AP700
    1971 Jaguar V12 E-Type Series 3 Roadster
    1957 Series 1 88"
    1957 Series 1 88" Station Wagon

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