r/FSAE • • 51m ago

How do you select the right dampers for an FSAE car?

• Upvotes

Hey everyone!

Our team is currently trying to select dampers for our FSAE car in India, but we're confused about the selection process and the calculations involved. The major issues we are facing are:

  • What parameters should we consider when selecting dampers?
  • What calculations are required to determine the target damping coefficient and damping ratio?
  • How do we match dampers with our spring rates and suspension motion ratios?
  • What's the most cost-effective way to source suitable dampers for an FSAE car?

I'd appreciate any resources, calculation sheets, or practical advice from teams that have been through this process.

Thanks!


r/FSAE • • 56m ago

Electric Vehicle انا عايز اعمل مشروع تخرج للسنه الأخيرة في هندسة السيارات بس مش عندي فكرة معينه عن المشروع اللي المفروض اعمله في حد عنده افكار

• Upvotes

انا عايز اعمل مشروع تخرج للسنه الأخيرة في هندسة السيارات بس مش عندي فكرة معينه عن المشروع اللي المفروض اعمله في حد عنده افكار انا حاليا في السنه الاخيره في قسم مهندسه السيارات في جامعه بني سويف كنت اريد ان كان عند بعضكم بعض الافكار عن مشاريع التخرج وهكذا بالاضافه نحن سناخذ مشروعا قام به بعض الخريجين وسنقوم بالتعديل عليها هو عباره عن مشروع يعمل عن طريق محرك بنزين يحول الحركه يحرك مولد المولد يولد كهرباء تشحن البطاريات والبطاريات تغذي المحرك الكهربائي والسياره تمشي بالمحرك الكهربائي بالاضافه الى ان السياره بها الطاقه الشمسيه ولا ادري ما الاضافات التي يمكنني ان اضيفها على هذه السياره فان كان عند احدكم علم فل يبلغني


r/FSAE • • 1h ago

SoCal Shootout 2026 Sign up!

• Upvotes

USC Racing will be hosting the 2026 SoCal Shootout at Buttonwillow Raceway Park on November 7–8. Saturday will include technical inspection and practice, followed by a timed event on Sunday.

There is No Entry Fee (free of charge thanks to sponsors). There is No Individual Student Entry Fee
Prize Money for Top 3 for IC and EV
Teams are required to have two volunteers help with safety and timing.
For more Info and Preliminary Schedule:

https://docs.google.com/document/d/17pHCrf4ae1VsRo_9uM2RKo33RqbJuUmNZ3ouBHiD_Ck/edit?usp=sharing

Fill this for out by Friday, October 23rd so we can finalized the schedule and all the details
Here is the form link: https://forms.gle/TsqsGtiLCzqs55SJ8


r/FSAE • • 2h ago

How To / Instructional FSAE chassis: which simulations do you run to validate the design

1 Upvotes

1) What simulations do you run to validate a chassis, and how do you set them up?

I know we need a static torsional stiffness simulation, and I have bending stiffness too. What else is needed (braking, acceleration, and ...)? For each one, how do I apply the loads and constraints? What target values do you aim for?

2)How do you calculate torsional stiffness in this case (the picture below)?

k = T / θ

T = F × Track Width

θ = tan⁻¹(Vertical Displacement / Half Track Width) (same distance case)

What value should I take for the Vertical Displacement?


r/FSAE • • 4h ago

Evaluationg resistance parametres for cells

1 Upvotes

Hello Community, we are working on FSAE 2027 for EV Concept

I am using IPG Car control for simulation . it has an interface for implementing HV parametres where i found that it works with 2RC Battery equivalent model , as you know the datasheet of cells provides DC IR which represents the total R and IR AC represents the R0 in this model . how can i get the R1 R2 C1 C2 or any approximate values the time that i get real cells . THE CELLS THAT IM LOKING FOR ARE:

AMPACE JP40

MOLICEL P45B and P50B

BAK 45D

EVE 40PL

if you guys worked before with one of these cells please Help!


r/FSAE • • 9h ago

Kablo demeti

0 Upvotes

Arkadaşlar merhaba formula student aracımız için ecu ve motoru seçtik ecumuz emu black motorumuz cbr600rr 2024 model kablo demetini emu black tr sitesinde bulamadık yurtdışında var o da gümrük falan sıkıntı nasıl hallediyorsunuz bu durumlarda nası yapalım


r/FSAE • • 10h ago

Question Understanding T3.15.5

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3 Upvotes

Hello everyone! I needed help interpreting this new rule added and how we actually need to prove it.
Thank you!


r/FSAE • • 12h ago

Electric Vehicle Emrax 228 working voltage

1 Upvotes

Hi, what is the minimum and maximum battery voltage for emrax 228 MV motor which you have tested?


r/FSAE • • 1d ago

Launch Night Teaser - Melbourne University Racing

166 Upvotes

Wanted to share the trailer for Melbourne University Racing (MUR)'s launch night, featuring CGI of our M26 racecar before our car gets revealed on 21/11/26.

We will be competing in the FSAE-A competition this December at The Bend.


r/FSAE • • 1d ago

Multimatic roll damper

0 Upvotes

Does the multimatic roll damper use 2 springs?


r/FSAE • • 2d ago

Question Looking for tires for SEM team

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2 Upvotes

r/FSAE • • 2d ago

Question Mounting

5 Upvotes

Hello. I'm working on a prospective members project for my FSAE team for aero to make a rear wing under the 2026 rules with a certain number of downforce. I started from less than nothing; i bailed out of my ap physics class in high school, but I still learned Aerodynamics from videos and parts of books. I understand it enough to atleast not be that confused, and it took around a couple of months but I did end up figuring it out. Though, I'm realizing a question I never asked was whether I can or even should put the wing on a car. Sure, I made the wing reach the number, but would it work in truth? With me not taking into account either manufacturing or mounting: I can't say no. I'm gonna present tomorrow, and I probably wont be getting in this go around maybe. I'd still want to know where I can learn. I've seen some videos and heard some snippets from the team's discord, but I want to know enough to present something of actual substance next time.


r/FSAE • • 3d ago

UL94V-0 adhesive Minimum thickness for V-0

1 Upvotes

Greetings everyone, I am Akshat Jain from Spark Racing Team.

Does anyone know the minimum thickness of the Dowsil RTV SE 9168 for which it is V-0. If someone knows please let me know or if anyone uses a different UL94 V-0 rated adhesive which has known minimum thickness please let me know.


r/FSAE • • 3d ago

How To / Instructional Export cad from free online suspension tool motomathics.com

32 Upvotes

I shared recently but pushed quite a few updates to wrap up the vehicle design flow. Initial setup -> step response analysis -> damper curve fitment -> graphical tool for suspension kinematics in heave, steering, and roll scenarios -> lateral load distribution analysis -> cad export as step or STL. It's all there and more. It's a set of tools I use for work that I'm hoping others can use as well. Feel free to ask any questions.


r/FSAE • • 3d ago

Question Rear impact structure rule from FSG

1 Upvotes

We are having problems understanding this particular rule from FSG 2027, is there anyone that could explain it to us? T 3.15.5 The rear impact structure must be positioned such that its diagonal member or equivalent composite structure reacts the loads induced by the IA during vehicle impact, for any position of the minimum IA volume up to 350 mm above the ground.


r/FSAE • • 3d ago

Question Downforce Science Fair project

12 Upvotes

My son wants to 3D print F1 rear wings from over the years, to test their downforce in a homemade wind tunnel.

Are there any recommended resources for such information?


r/FSAE • • 4d ago

Question nTop as topology optimization software

3 Upvotes

hi everyone, we've been using the autodesk fusion generative design tool as optimization software for e.g. uprights and rockers for the past few years. during competitions i talked to a team that used nTop - and because ive never heard of it i wanted to take it look if its any good.

does someone perchance have experiences with both softwares and can recommend when to use what? if theres anything missing from my part for your assessment please ask away!

thank you!


r/FSAE • • 4d ago

DiL Simulation

8 Upvotes

Hi everyone,

I am really interested in vehicle dynamics and tyre modelling and would like to pursue a career in driver-in-the-loop (DiL) simulation.

I've been working towards developing my skills in MATLAB, Python, and C++ in more depth, alongside working on a personal project to build my technical knowledge.

For those working in DiL simulation or related fields, what would you recommend focusing on to improve my chances of landing a graduate or entry-level role? Any advice on useful skills, tools, projects, or companies to look into would be greatly appreciated.

Thanks


r/FSAE • • 4d ago

Intake Manifold

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0 Upvotes

r/FSAE • • 4d ago

Best BMS current sensors

3 Upvotes

I am working on my onboarding project for my schools FSAE team and I am asked to find 3 current sensors to use for my BMS design and weigh which one is the best with 5 criteria. Any suggestions or any advice moving forward would be greatly appreciated 🙏


r/FSAE • • 4d ago

Side Diffuser vs Side Wing

2 Upvotes

Hey everyone! I’m from a school with a fairly small FSAE team and this is my first year joining, so I’m still learning a lot about FSAE aswell as racecars and the engineering behind them, in general. This is our first year doing aero on our EV car and I was trying to research ways to manage airflow around the sides of the car. But, I’m getting a little confused because my lead had mentioned side diffusers but most of the reasearch I’m seeing only talks about the rear diffuser or side wings? Are side wings and side diffusers the same thing? How do they look on a FSAE car? Sorry if this is like a stupid question but appreciate any help!


r/FSAE • • 5d ago

Question Yamaha CP2 - CAD model

0 Upvotes

Hi guys!

We are going to use the CP2 engine for our next car but we have trouble finding the CAD model. If there's someone willing to send us one? We would really appreciate it! ❤️🫂


r/FSAE • • 5d ago

Need Datasheet/Technical Specifications for KBX Vespa Brake Calipers and Brake pads

4 Upvotes

Hey everyone,

We are currently using KBX Vespa brake calipers for our Formula Student/EV prototype vehicle, but we haven't been able to find an official datasheet or detailed technical specifications for them.

We need the specifications for our brake system design and calculations, particularly for brake force and torque calculations and brake system validation.


r/FSAE • • 5d ago

Custom Throttle Body with Stock IACV

4 Upvotes

Our Formula Student car uses a Honda cb600f with the stock motorcycle ECU.

We removed the original IACV because its idle-air bypass allows air to enter the engine without passing through the restrictor, which conflicts with the requirement that all engine airflow must pass through it.

Currently, we adjust the throttle stop screw manually to maintain idle speed, but this isn't ideal and may contribute to inconsistent idle behavior.

I'm considering designing a custom throttle body that integrates the mechanical butterfly valve and the original IACV, with a redesigned bypass passage that joins the main intake upstream of the restrictor.

We want to retain the stock ECU and avoid ETC .

My questions are:

  1. Has anyone implemented a similar design?

  2. Can the original IACV be relocated while retaining its stock ECU control?

  3. Could this design cause idle-control or airflow-distribution issues across the four cylinders?

  4. Are there any conflicts with the rules?


r/FSAE • • 5d ago

Where to find Vocv(SOC) for batteries

2 Upvotes

Hi Everyone, Always with the Accumulator design for our EV, im now in simulation phase so i need the Vocv(SOC) graphs of the cells, molicel cells provide these graphs on the data sheet but for samsung for example i didnt find that , so if you know any validated resources please share! and also for those who i cant get them. is it precise enough to take the nominal voltage of the cell at 3.6v so i take in consideration for the voltage sag only the RI square factor.