Gliders use no fuel but whatever towed it would have...

I have a cargo load capaciy of 44,092lbs for the glider ME321. My main reason against its ability to carry a mkIv would be the width of its cargo area.

Now if only I could remember how many pounds to the ton...

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"Watch that Fu*ker, he'll 'ave someones eye out!" King Harold at Hastings 1066.