How Race Car Front Suspension Works - Formula E Explained

Former McLaren head mechanic Marc Priestley explains the inner workings of the Formula E car's front suspension. For more Formula E engineering check out Engineering Explained: • Could Electric Cars Ha...
Find out how the pushrods, wishbones, rockers, torsion bars and anti-roll bars all work together to tailor the car to the needs of driver and team with this animating guide to front suspension on the Formula E car.
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[@TheCosmicPope91]

Wow. I'm awestruck by how brilliantly this is designed, and on so many levels. Damn I wish I was that smart.

[@dranoelarios4788]

Formula e 2018 chassis looks beautiful
Can't wait

[@energystoragesolutions6603]

what holds the torsion bars inplace to utilize the spring manufactured into the torsion bar. u can see the spline on the front where the video shows the torsion bars but you don't see any keyway or another type of locking mechanism

[@dj_laundry_list]

How about some equations and discussion on trade-offs

[@acruzp]

Go read a book for that.

[@sanderostvold]

Does f1 cars use torsion bars as well?

[@namasayanif]

They may run a combination. At the rear they may use a single coilover/damper and torsion springs for the bell cranks. The torsion springs controls roll and individual wheel's road holding, while the single coilover/damper controls the squat and jounce. Mercedes uses torsion springs at the bell crank and single damper for the front, I think.
They have fat tyres so much of the "compromises" in their suspension works well thanks to that. They won't necessarily work in other formulas with lower profile tyres, like Formula-E. Their sidewalls would be too stiff.

[@itzyaboij6914]

I will copy this idea for my formula

[@itzyaboij6914]

Bc i love All FORMULA

[@Pertamax7-HD]

ok sir

[@syntropy3020]

I like how the torsion bar allows for easily adjustable infinite varible spring rate vs a coiled spring which is fixed.

[@abdurrahmanhashmi1081]

how?

[@syntropy3020]

@@abdurrahmanhashmi1081 by adjusting the length at which the torsion bar is fixed.

[@abdurrahmanhashmi1081]

@@syntropy3020 yeah but i didn't see them say that during the video

[@abdurrahmanhashmi1081]

@@syntropy3020 active suspension was banned i think

[@syntropy3020]

@@abdurrahmanhashmi1081 whist it would be possible to make this active, its not what I'm suggesting. What I'm saying is that for each track you can easily tune the spring stiffness with infinite variability using the same spring by adjusting the length at which it is secured. No need for a different custom coiled spring to me made and fitted to adjust the spring stiffness.