The Insane Engineering of the Perseverance Rover on July 30th 2020

a united launch alliance atlas v rocket lifted off from cape Canaveral Florida carrying Perseverance Rover

the next generation of mars exploration vehicles the perseverance rover and the ingenuity helicopter if all goes to plan the two vehicles will land safely on the Martian surface after their long seven-month journey to the red planet only 40 of missions sent to mars have been successful and perseverance will have to endure a vicious and complicated landing sequence as its creators wait powerless to intervene waiting for news of its success back in Pasadena the perseverance rover is the largest and heaviest rover jpl has ever sent to mars heavier than the curiosity rover by 100 kilograms and with that extra weight comes a whole host of new gadgets this isn’t some slightly upgraded version of the curiosity rover perseverance is benefiting from almost 10 years of advancement of technology it’s packed with fascinating and novel technologies that will form a stepping stone in humankind’s eventual first steps on the surface of the red

planet this is the insane engineering of the perseverance rover perseverance hopefully is now safely on the ground where it will live a long illustrious life on the red planate have learned some things from the curiosity rover that will hopefully help perseverance avoid the struggles its predecessor is experiencing we have made an entire video on the struggles of the curiosity rover wheels and how they’ve been gradually falling apart on the harsh

Martian surface in the end the engineers of JPL did not opt for shape memory alloy wheels like the ones we discussed inperseverance rover helicopter

that video but simply increase the diameter of the wheels decrease their width and increase their thickness while incorporating sturdier curved threads that will better resist crack growth than curiosity’s sharp corner threads they have also forgone the rectangular cutouts which imprinted mores code spelling out the rover’s origins in the rusty dirt of its new home there is a whole host of new software upgrades too like the algorithm that determines when to open the parachute

in the last mission the parachute simply

deployed when the target speed of 1

450 kilometers per hour was reached after most of the hypersonic reentry speed of 21

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