British daredevil `thrilled´ to 始める，決める new cycling 速度(を上げる） 記録，記録的な／記録する of 174mph
A daredevil has 始める，決める a new cycling 速度(を上げる） 記録，記録的な／記録する of more than 174mph on a £15,000 bike 解放（する）d from the 支援する of a Porsche as it hurtled 負かす／撃墜する a 滑走路.
Architect Neil Campbell, 45, broke the previous 記録，記録的な／記録する of 167mph using an elongated, custom-built bike based on the design of a tandem.
He 達成するd the fastest bicycle 速度(を上げる） in a slipstream (male) 記録，記録的な／記録する at Elvington 離着陸場 in North Yorkshire on Saturday, （警官の）巡回区域，受持ち区域ing the previous 示す 始める，決める by a Dutch rider in 1995.
Neil Campbell begins his 記録，記録的な／記録する 企て，努力，提案 (Worldreach/PA)
Mr Campbell, from Little Horkesley, Essex, was pulled along the two-mile 跡をつける by the powerful Porsche Cayenne, then 解放（する）d so he went through the タイミング gate under his own 力／強力にする.
He was timed at 174.33mph after going through the 200-metre 速度(を上げる） 罠（にかける） on the machine which was built by Moss Bikes using 3D printed 構成要素s and parts from a motocross bike.
The Porsche had a large attachment on the 後部 which 影響する／感情d its aerodynamics, punching a 穴を開ける through the 空気／公表する for Mr Campbell to cycle in.
He said: “I am thrilled and relieved, the team worked amazingly 井戸／弁護士席.”
Neil Campbell (Adam Roberts/PA)
準備s had gone 不正に with poor 天候 on Friday, and a practice run fell 20mph short of the 記録，記録的な／記録する, but 条件s 改善するd on the day and a tailwind helped.
Changing the aerodynamics of the car was a balance, as it 減少（する）d the 4×4’s 最高の，を越す 速度(を上げる）, but 減ずるd 勝利，勝つd 抵抗 when the bike was 解放（する）d.
Mr Campbell laughed: “Porsche spend millions 実験（する）ing their cars in a 勝利，勝つd tunnel and we stick a big Tupperware box on the 支援する of it!”
Desperation to break the 記録，記録的な／記録する meant he 溝へはまらせる／不時着するd a パラシュート（で降下する） designed to help him to ブレーキ quickly before the end of the 離着陸場, because it was 原因（となる）ing turbulence.
But he did wear the 最新の kangaroo-肌 保護の 控訴 which inflates in the event of a 衝突，墜落.
His next challenge will be to try to reach 220mph next year on a six-mile 跡をつける at the Bonneville Salt Flats in Utah, USA.
He said: “This has been a five-year programme and the 記録，記録的な／記録する was the culmination of one part of it.
“We have been bound by 財政／金融s and 予算d to do what we can. Our 計画（する） is now to go to Bonneville and use a longer 実験（する） 跡をつける.”
