Guinness World Record: Biggest Loop Done in a Car

This is jaw-dropping science at its best. The Lotus had to travel at a certain speed to maintain grip to the loop. One problem, and the lotus would be a dead lotus.

"The largest loop the loop in a car measured 12.87 m (42 ft 2.69 in) in diameter and was achieved by Li Yatao (China) from the Car Team of Zhejiang Youngman Lotus Automobile Co., Ltd. in Shanghai, China, on 23 September 2011.

The loop was made from steel.It was 3.68 m (12 ft 0.88 in) wide and weighed 33,000 kg (72,752 lb). The car used was a Lotus L5 Sportback."

Source: YouTube (User: GuinnessWorldRecords)