First, gold medal favourite Frankie Gavin was forced to fly home after failing to make the weight, then the seven remaining boxers were given tough draws, before young prospect Joe Murray went down to a controversial points decision against a Chinese fighter.

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They include examples that fly, swim and run, and range in weight from a couple of grams to hundreds of tonnes.

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Using the fast fly instead of the full tent cuts down on weight somewhat, but leaves the shelter open to insects and some elements.

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Langton said families have been pleased with the pricing model because it often costs less to fly with children using the pay-by-weight model than it would to purchase flat-fare seats.

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The extra weight and damaged engine meant he was forced to fly for 3 miles (4.8km) at around 20 ft (6m) from the ground, rather than the usual 50 ft (15m), creating a dust cloud which obscured his view.

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If you just fly one trip with me, you could see the amazing difference all that weight, and all the monotony of doing all those revisions, can make.

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