That is exactly what I did when fitting the towbar to my saloon. It worked a treat, no extra holes anywhere.

Russell

On 21/07/2011 13:17, Susan and Martin Scott wrote:
A trick I've sometimes used with GRP is to shine a strong light behind the object which shines through the gelcoat of the GRP and shows exactly where to mark (if that makes sense) - May be useful?

    ----- Original Message -----
    *From:* Hamish Freeman <mailto:[email protected]>
    *To:* [email protected]
    <mailto:[email protected]>
    *Sent:* Thursday, July 21, 2011 12:03 PM
    *Subject:* RE: [Quantum Owners] H4 towbar

    Hi,

Yes – I cut a hole the ”exact” size of the drawbar in the bumper. This required some judicious marking out followed by a pilot hole
    in the middle of the area of the proposed aperture.  Remember the
    old adage ”measure twice (or more!) and cut only once” to avoid an
    unsightly gaping hole around the drawbar.  It is possible to
    project the edge of the drawbar back onto the inside of the bumper
    with a piece of flat steel held inside the flange and this helps a
    lot..  It is the exact height that takes a bit of judgement but
    the advice here is to assemble the drawbar without the bumper and
    reference its position off something that will be accessible once
    the bumper is in place.  Apologies if this is “teaching you to
    suck eggs” but I have seen some really bad examples in the past
    from thse who should know better.

    The reason I changed the drawbar was to avoid it being too high
    and too far away from the car as the drawbar holes on mine were 12
    mm, a challenge to drill with a low powered drill whilst my Bosch
    Li-Ion drill tends to snap 10 mm drills if they snag and will not
    accept 12 mm.

    Good luck!

    Hamish

    *From:*[email protected]
    [mailto:[email protected]] *On Behalf Of *M SMITH
    *Sent:* 21 July 2011 05:57
    *To:* [email protected]
    *Subject:* RE: [Quantum Owners] H4 towbar

     Hi Hamish,

                    just wondering about some detail on your tow
    bar... when it was fitted did

       you have to modify thr rear bumper to allow installation    tks
    Andy

    --- On *Sat, 16/7/11, [email protected]
    <mailto:[email protected]> /<[email protected]
    <mailto:[email protected]>>/* wrote:


        From: [email protected]
        <mailto:[email protected]> <[email protected]
        <mailto:[email protected]>>
        Subject: RE: [Quantum Owners] H4 towbar
        To: [email protected]
        <mailto:[email protected]>
        Date: Saturday, 16 July, 2011, 13:26

        Hi,
        It came out of the local amenity tip so no details!  Sorry

        --- Original Message ---

        From: M SMITH <[email protected]
        
<http://uk.mc861.mail.yahoo.com/mc/[email protected]>>
        Sent: July 16, 2011 7/16/11
        To: [email protected]
        
<http://uk.mc861.mail.yahoo.com/mc/[email protected]>
        Subject: RE: [Quantum Owners] H4 towbar


          Hi Hamish,
                         thanks for your information regarding the tow
        bar issue,  im hoping
              to do a bit more camping and use a small trailer. Do you
        happen to know
              what year of Mondeo the tow bar came from     Tks Andy

        --- On Thu, 14/7/11, Hamish Freeman <[email protected]
        
<http://uk.mc861.mail.yahoo.com/mc/[email protected]>>
        wrote:


        From: Hamish Freeman <[email protected]
        
<http://uk.mc861.mail.yahoo.com/mc/[email protected]>>
        Subject: RE: [Quantum Owners] H4 towbar
        To: [email protected]
        
<http://uk.mc861.mail.yahoo.com/mc/[email protected]>
        Date: Thursday, 14 July, 2011, 13:44

        Hi,

        Yes my tow-bar is based on a Mondeo Estate drawbar attached
        each side via
        its fixed flanges to a piece of heavy duty 2"angle iron to the
        underside of
        the boot structure and secured by a mirror image piece of
        angle iron on the
inside of the boot by 3 off M10 bolts each side from memory. The spacing
        was highly fortuitous in that it did not encroach on the inner
        boot space
        and formed a useful divider to keep stuff to either side of
        the boot.  The
        carpet fitted exactly between the two pieces of angle iron.  I
        have pulled
        stuff way beyond the expected capability of the boot floor (it
        is quite
        thick!) with no apparent distress after what must be
        approaching 10 years.
        The H4 is firmly held together and hence it is possible to
        expect the fibre
        glass to be used for load bearing.  I would not even think of
        doing such
        things on my Beauford, where the body was designed to be held
        on to the
        chassis by only 2 off M6 bolts at the rear.  IVA changed all
        of that!!!

        The only thing I changed from the Mondeo unit was the actual
        tow ball
        attachment square tube as the Mondeo unit put the ball at the
        wrong height.
        I just happened to have an identical sized unit from a Fiat
        X19 unit that I
        had saved for posterity that was ideal.  At one stage I sent a
        photo spread
        of the manufacture of the above to one of the former editors
        but  it
        probably was not of interest at the time for QM.  In our present
        circumstances it is doubtful whether I can find the photos in
        a reasonable
        time as they would be on a backup somewhere.  I might be able
        to get the car
        on ramps sometime in the future when the pressure has eased
        off in pricing
        up our possessions for the insurance company in order to get
        money to
        refurnish our house.

        Hope this is of help,

        Hamish

        -----Original Message-----
        From: [email protected]
        
<http://uk.mc861.mail.yahoo.com/mc/[email protected]>
        [mailto:[email protected]
        
<http://uk.mc861.mail.yahoo.com/mc/[email protected]>]
        On Behalf Of Steve Kodz
        Sent: 13 July 2011 13:40
        To: [email protected]
        
<http://uk.mc861.mail..yahoo.com/mc/[email protected]>
        Subject: Re: [Quantum Owners] H4 towbar


        Andy,
        Yes it is possible, but I don't have any details.  The only
        person I know
        who has fitted a towbar to an H4 is Hamish, who might be able
        to reply a bit
        later, however he is not the only person who has done it..

        It could be worth a call to Eddie Ruskin at Quantum Kit Cars
        as he may have
        further information.

        Regards,
        Steve
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        On Wednesday 13 Jul 2011, AandMquantum wrote:
        > Hi just wondering if its possible to fit a tow bar onto a
        H4    tks
        > Andy

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