Heap Facts

• The world’s largest version of the Beach Bums' victorious wheel shovel (from the Earth Movers challenge) is made by Krupp in Germany. It is 215 metres long, 95 metres high, weighs 45,500 tonnes and cost £50 million to build.



• Jet-powered drag bikes (as built in the Drag Sleds challenge) can generate almost 4000 horse power. That’s as much as 70 Ford Fiestas.

• The scrapheap is on a Ministry of Defence site that's sometimes used for live weapon exercises and has in the past been used as an ammunition dump. Before any scrap could be brought in, the site had to be swept for live ordnance.



• The teams on this year's Scrapheap Challenge got through over 800 cans of Red Bull as they powered their way through a succession of incredibly tough builds.

• Robert started the series wearing a beret, but got so much ribbing from the camera operators that he soon stopped wearing it.



• After the Giant Skateboards show, the crew had a go on the Extinguishers' board but they forgot the brake had been removed and crashed into a wall.

• In Mechanical Mortars, one of the Bus Boys' shots went so long it cleared the test area and went into the sound truck, smacking a crew member on the side of the head.



• Teams are kept separate and out of sight of their rivals' test attempts. This ensures that the teams don't know the result until Robert and Lisa announce it.



• The skidpan where Skid Pan Sumo was filmed was also used for the Giant Skateboards challenge. During the skateboard show, Robert found time in his lunchbreak to street luge down a huge tarmac hill.

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