![JR Hildebrand on X: "Drawing on @ScarbsTech image - pre-halo (yellow) helmet was to be below imaginary line between highest point at front of chassis and the roll-hoop. If roll-hoop failed, royally JR Hildebrand on X: "Drawing on @ScarbsTech image - pre-halo (yellow) helmet was to be below imaginary line between highest point at front of chassis and the roll-hoop. If roll-hoop failed, royally](https://pbs.twimg.com/media/FWw_b5AWYAENqWv.jpg:large)
JR Hildebrand on X: "Drawing on @ScarbsTech image - pre-halo (yellow) helmet was to be below imaginary line between highest point at front of chassis and the roll-hoop. If roll-hoop failed, royally
![F1 to have tougher roll hoop tests next season after Guanyu Zhou's crash at Silverstone | The Independent F1 to have tougher roll hoop tests next season after Guanyu Zhou's crash at Silverstone | The Independent](https://static.independent.co.uk/2022/07/07/18/3d431155c84ac284e477f245f5f923d1Y29udGVudHNlYXJjaGFwaSwxNjU3MzAxMTA2-2.67722040.jpg?width=1200&height=1200&fit=crop)
F1 to have tougher roll hoop tests next season after Guanyu Zhou's crash at Silverstone | The Independent
![Brittney:) on X: "There is nothing left of that roll hoop 😬 I am so glad Zhou is ok. https://t.co/eU1ZvPcfQ7" / X Brittney:) on X: "There is nothing left of that roll hoop 😬 I am so glad Zhou is ok. https://t.co/eU1ZvPcfQ7" / X](https://pbs.twimg.com/media/FWv8wnaWAAEGfhT.jpg:large)
Brittney:) on X: "There is nothing left of that roll hoop 😬 I am so glad Zhou is ok. https://t.co/eU1ZvPcfQ7" / X
![F1 to have tougher roll hoop tests next season after Guanyu Zhou's crash at Silverstone | The Independent F1 to have tougher roll hoop tests next season after Guanyu Zhou's crash at Silverstone | The Independent](https://static.independent.co.uk/2022/07/04/15/594e34df7ec195d22a08d893d158d975Y29udGVudHNlYXJjaGFwaSwxNjU3MDMxMDE2-2.67724618.jpg)
F1 to have tougher roll hoop tests next season after Guanyu Zhou's crash at Silverstone | The Independent
![Zhou Guanyu was involved in a frightening crash at the start of the British Grand Prix when his Alfa Romeo flipped upside down and went over the safety barriers Zhou Guanyu was involved in a frightening crash at the start of the British Grand Prix when his Alfa Romeo flipped upside down and went over the safety barriers](https://e0.365dm.com/22/07/800x600/skysports-zhou-guanyu-f1_5822237.jpg?20220703160109)