Nigel,
Teenaged Chinook pilots being quite innovative (read "Stupid"), we improved upon your technique.....we found that the front wheels of US Army 3/4 ton trucks invariably turned to full left or right after a few minutes in the air at 100 knots.....thereby making landing slightly more exciting than the takeoffs....so we learned to put a rope hobble onto the steering wheel. Our rate of rolled over 3/4's decreased sharply with that modification....that way we could make both running takeoffs and landings.
The alternate loading procedure for loading Vietnamese rice harvesters consisted of folding seats in the rear, crowding as many as you could into the aircraft in a standing...up right posture....ramp level with 15-20 more.....taxi forward to about 5-6 mph....jam on the brakes....and simultaneously raise the ramp...makes it almost like a British Airways Economy cabin but not quite so crowded! Haulled 138 that way on one trip.