Suspensions Explained

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@greenman7yyy Күн бұрын

Great explanation, thank you ..)

@enmanuelhernandezrentero51 Күн бұрын

like if you are watching this for FSAE

@christophermeraz-mata6834 2 күн бұрын

Amazing knowledge, thank you!

@promobass77 2 күн бұрын

Hello. How can I improve the modulation of my pedal? Chevrolet silverado 2500 2001? The overall condition of the car is very good, the brakes are serviced, but my pedal is not informative at all. I have increased the oil pressure for hydroboost. It gave a result, but I expected more.

@zeinjaber6923 3 күн бұрын

Out of all of the videos online explaining suspension systems, your videos are the best. You have a very good balance of keeping the information light, yet still detailed enough to explain complex design problems. Please keep making videos, I can't get enough!

@Sussy-hotdog 6 күн бұрын

Stay under 38 mm. My car handles better. Will shorten life of hub bearings. If I need to change them, no biggie.

@Sussy-hotdog 6 күн бұрын

By far clearest explanation I've seen by using live tire as well as CAD diagrams to demonstrate ramifications to consider in modifications to either BS or OS to rim sizing.

@MatheusSSchmitz 9 күн бұрын

Great video! This is the best channel about suspensions, with the most effective teaching method! Could you make a video about steering, scrub radius, mechanical trail, caster angle, king pin angle, and Ackermann?

@irreversiblyhuman 13 күн бұрын

What a find! Straight to the point and a fantastic explanation. Immediately subscribed

@TranceFur 16 күн бұрын

Brilliant explanation. I did notice that my car felt extremely good after fitting a new set of coilovers which were adjusted to a factory ride height out of the box. They may have actually been higher than the factory ride height. Unfortunately I can’t stand how E36 M3s look at that height, but it was an interesting experience. Will be trying a front bump steer correction kit soon, and I actually wouldn’t mind if the handling balance skewed more toward oversteer.

@robertwalker9638 17 күн бұрын

Keep it simple. A Panhard rod means the vehicle will handle good in one direction and bad in the other direction. A Watts link will handle either good or bad in both directions. If you really want to get confused, try working with a Mumford link rear axle control.

@spencertaylor5836 19 күн бұрын

Do the inside tire anti jacking and outside tire jacking combine to create a torque that rolls the chassis?

@robertmccully2792 20 күн бұрын

Love your videos, but i did notice the rear spring shackle attachment moved on roll. And my other thought is, if you add two shocks when mounted outboard does that overcome the position. Interesting.... Make more videos...

@robertmccully2792 20 күн бұрын

Amazing video,, why is the upper control arm shorter, and why is the knuckle tilted. what is the engineering behind that?

@Tracktrucks 24 күн бұрын

Doesn’t the rear movement affect toe?

@chithraiselvan7755 24 күн бұрын

if you increase the speed of your push there is a chance the no of cycle would go up isnt it ?

@TranceFur 16 күн бұрын

Yes, but that would be due to an outside force. It would take a great deal of outside force (and be very difficult by hand) to make a car oscillate at a frequency other than its springs natural frequency. This would never happen in a driving scenario.

@arahyabayat1288 27 күн бұрын

What's going to happen to the jacking force if the roll center is below the ground (contact patch)?

@shanty220 28 күн бұрын

Hello sir, how can I contact you ?

@thatopendiffdude9109 29 күн бұрын

Fantastic channel!!! Youre doing a great job, dont stop making videos

@3rdGenGuy 29 күн бұрын

I race with a watts link. ignoring the handling benefits honestly, it's smoother. ride quality is way better. I can go 100% throttle over bumpy tracks without any issue. my panhard bar always had issues with bumps.

@chithraiselvan7755 Ай бұрын

Thanks for making this playlist, please do an entire playlist where one can design a suspension for an vehicle from scratch including all the formulas and software used in the suspension design.

@themustangfactory Ай бұрын

I'm assuming jacking is bad when you're not wanting to break traction. However when you're in a constant state of slip could the jacking be beneficial to planting the tire better?

@utkarshgupta810 Ай бұрын

Hello, I'm a team member of an FSAE team from India and you have no idea how much your videos have helped me! I just wanted to thank you and also to request help with your expertise in automobiles to improve the FSAE community. You should come to Formula Bharat or Supra SAE India as a judge, would love to chat more with you!

@jerseyshoredroneservices225 Ай бұрын

This video illustrates a solid axle real differential but that setup is omitted from the roll center video. Does anybody know of a good video about the rear roll center with a solid axle and panhard bar? Thanks

@SylvesterOziomek Ай бұрын

I am impressed with the quality of the information in this video, I've seen a lot of those but this one is the best. Variations, typical values, presentation and especially example calculations makes the topic easy to digest. This is how every video explaining car topic should look.

@jerseyshoredroneservices225 Ай бұрын

Thanks for this great video. After watching this one and the previous one I find myself looking for a third video, one that covers a solid axle rean end. Does anybody know a good video that covers the rear suspension like in the old cup cars and the NASCAR/ Whelen tour type modifieds? Most guys usually run either a three link or a torque arm but other variations are possible. Thanks!

@SylvesterOziomek Ай бұрын

I could be wrong but always thought it's a good practice to keep roll centre migration to minimum (like within few millimeters). I guess my question would be is there a negative effect of excessive migration? And what would be jacking value that we could call under control? Short example of this equation with values would be useful.

@SylvesterOziomek Ай бұрын

This is what I call a quality information.

@gsimmo99 Ай бұрын

brilliant explanation for anti-squat. thank you!

@TM-fx5le Ай бұрын

Are you able to make a video on what affects bump steer, or possibly how to correct roll centre in the rear of a double wishbone?

@amitchell4206 Ай бұрын

I understand!! But….. how about if is 10MM or 15MM spacers? Not something….. significant like 50MM per wheel? I just wan a opinion cause if even like that parts will be damage eventually I don’t want them cause parts for a German SUV are very expensive!

@grippgoat Ай бұрын

Great stuff. I didn't know about the distinction in anti-squat with IRS vs live axle, and the explanation of AWD vs RWD was also new for me. Anti-squat is something I want to look at on my BRZ. Common wisdom in the community is that it has too much because its rear suspension comes from the Impreza.

@mry82 Ай бұрын

oops... :)

@mry82 Ай бұрын

👍😀

@user-rd5nc1nb9f Ай бұрын

i’d love a video about ride quality. like how to improve it for example or at least the factors that influence it

@samcastevens8044 Ай бұрын

Great video as always!! I have been thinking a lot about air springs lately, and since I know they were used on the Model S, I figured you would know something about them. I would love to see a video in the future about the differences between air and coil springs. Thanks!

@emc2bomb Ай бұрын

The kind of a channel that I've been looking for so long.. great videos! Thanks for your great explanation 😊

@wheelpundit Ай бұрын

Clear and crisp explanation

@user-zu1oi4wr4s Ай бұрын

Thank you, Huibert! Between your Autopian articles, these videos, and How To Make Your Car Handle (free basic primer by Fred Puhn: check out the pdf, people!), I now have a decent idea of what goes on when I throw my car at corners-and why that slammed POS was so freaking darty over bumps 🫣

@spiky29 2 ай бұрын

Great explanation. But i have 2 points for improvement: 1. When calculating mass on specific corner...you forgot to substract unsprung mass..it changes final spring stiffnes quite a bit. 2. Rebound/full extention can also be solved with helper springs.

@suspensionsexplained 2 ай бұрын

You are right on both counts. In trying to keep things a bit simple, I didn't include unsprung mass but I think I went too far.

@spiky29 Ай бұрын

@@suspensionsexplained yt has a lot of amater videos. It's hard to find really in-depth explanations of things on varoius topics. I know it has to be adjusted for viewers..to still be understandable & interesting. But i would rather watch super indepth video..even if i have to watch it 5x to understand, rather than something i already heard. But thats just me.

@MischkaMLT 2 ай бұрын

Fantastic explanation. Are there any books you would recommend covering suspension geometry topics such as this?

@user-zu1oi4wr4s Ай бұрын

How to Make Your Car Handle by Fred Puhn is a free pdf. Old, so doesn’t cover the last 4 decades, but a great basic primer with easy pictures and explanations. I find it a great companion to these videos

@leafaRPD 2 ай бұрын

I hope you earn all the money in the world with this channel so that your format doesn't change. Just love it. Thanks for all your videos. A fan from BraSil.

@dagame81790 2 ай бұрын

A few questions: 1) since electric vehicles have a much lower center of gravity due to their batteries, would they experience less body roll assuming the same geometry and lowering distance? 2) how does a swaybar work and is it a reasonable way of offsetting the impact of lowering your vehicle? 3) in a previous video you covered wheel spacers. Is there any compounding or offsetting impact of both lowering the vehicle and adding wheel spacers? Love your videos! Thanks so much for the informative content!

@suspensionsexplained Ай бұрын

EV's do have much lower centers of gravity and so will roll less, all other things being equal. What an EV does for you is give you the opportunity to make the anti-roll bars much smaller, or even get rid of them (especially the rear one) which give much better ride. That gets to your second question. Anti-roll bars could be used to compensate for the additional roll a lowered car might have, but that would hurt ride. That's true for stiffer springs as well. Lastly, wheel spacers increase the track width so they would reduce the weight transfer during cornering. They do nothing for body roll, however.

@TheQuickBrownFoxTV 2 ай бұрын

So good! Thank you. Looking for something on the f10 / f01 suspension too.

@TricksterJ97 2 ай бұрын

The wheel bearings would be subject to an added moment as a result of the wheel spacer as you said. On the other hand the bearings do have to be able to withstand this to some degree, because this is what cornering forces would impose anyway- although only periodically, not permanently. This brings me to my question/topic suggestion: what are the loads that a car suspension are typically designed for?

@bobbyalley86 2 ай бұрын

Great video! What the highest ride frequency you've seen on a street car? I know some racecars can be well over 2hz, but how crazy is that to run for a street setup?

@suspensionsexplained 2 ай бұрын

I really haven't seen much beyond 1.7-1.8 Hz in a street car although if memory serves, I think the Honda S2000 may have been at 2 Hz.

@bobbyalley86 Ай бұрын

@@suspensionsexplained Thanks for the info! What was the Ford GT?

@TranceFur 16 күн бұрын

Looks like the Ford GT’s is around 1.75 hz.

@bespokist 2 ай бұрын

Without doubt, the best end to end explanation I have seen. The next piece of the puzzle I am looking for is optimising roll couple (roll axis) between axles... AND how CG would contribute to that decision when full freedom is available at the design stage.

@fraserwright9482 2 ай бұрын

I like the TR6 model as a demonstrator, the king of lift off camber change that puts hairs on your chest.

@user-yx5wd5yy6h 2 ай бұрын

Great explanation as always and straight to the point. For those who are interested in this issue, I strongly recommend reading the correspondence on SAE forum about Jacking forces. A person under the nickname Z, as well as the author of the channel, gives a comprehensive explanation of how the virtual swing arm, roll center, and jacking work.

@suspensionsexplained 2 ай бұрын

Thank you. I cover those topics as well in my 2 part video on roll centers. Hopefully Z and I are saying the same things!

@user-yx5wd5yy6h 2 ай бұрын

your videos are a treasure for those who are in one way or another connected with car design. thank you for your work.

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