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Hello,
My damping ratios are as follows


Front low speed compression damping ratio 0.67
Front low speed rebound damping ratio 1.50
Rear low speed compression...

Z ,
I doubt a bit about the dust because we fitted a completely new bearing, and found the play. Anyways now its happy with 0 play.

I tightened the nut,increased the axial preload. The play is resolved.Thanks

There is play between the bearing(BAH-0013D Double Row Angular Contact) inner and outer race in our wheel assembly bearing. This play was observed after we removed the old bearing to positive lock...

Well Claude is right. Even Indian teams like us manage to build a car at ~210kg in our second year with zero funding from university, lack of machining facilities and other problems.270kg is on the...

We have two sets(one dry and one wet) of 13" tires with a lot of life left.The tires are Hoosier 20.5X6X13

When do you need it ? Where do you want it to be delivered? If you are fine with the...

Hello everyone,

Our team will be using a Yamaha WR450F for the next year and we are looking for verified dealers in or outside India.

If any team is using this engine or knows about any...

Insulation Monitoring Device.
679

Claude and Kevin,
I want to throw some light on how it goes on here in India.Everyone wants or imposed upon by society to become an engineer/doctor. So ~1.5 million students...

Our university provides us with 0 (Yes Zero!) funds and they even charge us for using the workshop facilities during extra hours. So I would say that money is a limiting factor for us and the team...

P squared , I have planned the same. The connector would simply be a threaded rod right?
and it must be attached to the shaft of the damper after removing the eyelet which is held tight with...

Also Z , I have 2 last year's springs from KAZ with spring rate of 27.2 N/mm .Given that I require only around ~32mm of travel on spring , I can cut those in about half or as much as required to get...

I can change the RC's back again till the suspension clevises are put during manufacturing , not an issue but what shall i do with the increase in roll gradient that comes with it? What value of roll...

Thanks everyone for guiding me. I would like to put my final decisions, instead of reiterating over and over.
1.Z I couldn't go with using high stiffness springs because of the following reasons

...

@ Goost
1.The damping ratios are included in the lower right corner of the damping rates sheet. You can also check the damping ratios in heave,pitch and roll similarly and leave a comment
2. Also...

We are an Indian team and we get the dampers from US.US dollars when converted to INR are really too much to afford, Maybe, maybe we can afford different spring rates if more money comes in at the...

Claude Sir, I would like to say one thing ,
For equal ride rate and damper coefficient front and rear and cg at (1/2) of wheelbase, the ratio of (damping ratio in heave / damping ratio in...

1.Z, I checked with the radius of gyration of typical FSAE Cars in pitch and roll (which is 600mm and 300mm respectively) .My values may be wrong(infact they are wrong) but its close to actual...

Sorry for the late reply . Some health issues.
Anyways back to topic

1.Claude, I am attaching the response functions for my Front and Rear Ride Frequency(~3.9 & 3.6 Hz respectively) along with a...

OK Thanks for all the valuable information Z. I need a bit of help in my ride and roll rates calculations which I have been doing over the past few days. This is the excel sheet that I am using for...

Yes , thats what we would do.

Z Thank you very much for your response to this thread , but my question(silly) still remains unanswered.
Q1.The chassis shock pickup point has to be on a node , so in order to have multiple shock...

This is really a silly question so please bear with me ,
Ours is a steel spaceframe chassis , so to have multiple shock pickups won't we need multiple tabs on the chassis at different heights which...

Is that(the above picture) a custom made spring damper with the rod extension for the team ? The valve code currently obtained using new calculation doesn't match the old ones. So can the dampers be...

Is that(the above picture) a custom made spring damper with the rod extension for the team ? The valve code currently obtained using new calculation doesn't match the old ones. So can the dampers be...