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Type: Posts; User: Silente

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1. Thread: Welcome back FSAE.com! ... But why the lack of discussion?

by Silente
Replies
3
Views
310

agree, this forum has always been a source of...

agree, this forum has always been a source of great discussions and information. Would be a pity to somehow loose it.
2. Thread: Plotting Cn-Cy and Cn-Ay Graphs.

by Silente
Replies
93
Views
22,738

question for all of you: being this Yaw Center...

question for all of you:

being this Yaw Center on car center line, shouldn't it only tell how much of the overall Yaw moment is coming from the front and rear axle? considering also Yaw Moments'...
3. Thread: Front and rear tire choice and weight distribution

by Silente
Replies
48
Views
16,237

hillclimb tires? :) Anyway, regarding the...

hillclimb tires? :)

Anyway, regarding the front weight distribution, i guess one thing which still deserve to be mention is the differential.

In my experience, it could change dramatically how...
4. Thread: moment diagram with weight transfer

by Silente
Replies
170
Views
64,340

second part, diagrams.

second part, diagrams.
5. Thread: moment diagram with weight transfer

by Silente
Replies
170
Views
64,340

@jpusb, yes, i correct the corner radius for...

@jpusb,

yes, i correct the corner radius for each output point of the diagram. Actually, since it is a constant velocity simulation, calculating the Fy gives automatically an Ay, so the radius is...
6. Thread: moment diagram with weight transfer

by Silente
Replies
170
Views
64,340

Jpusb, here a picture showing the slip curve...

Jpusb,

here a picture showing the slip curve of a front tire i am using, with vetical loads varying between 2000 and 6000N.

What is the point exactly in simulating the longitudinal forces if...
7. Thread: moment diagram with weight transfer

by Silente
Replies
170
Views
64,340

After the discussion has deviated a bit, i would...

After the discussion has deviated a bit, i would like to redirect it a bit on the original topic, the yaw moment diagram and its use.

I would love to have the feedback of more expert people about...
8. Thread: moment diagram with weight transfer

by Silente
Replies
170
Views
64,340

Hi everybody, my apologies for not coming back...

Hi everybody,

my apologies for not coming back earlier after all your comment.

i revised my work on the YMD basing on your suggestions and comments, also because i actually found something...
9. Thread: A new free vehicle dynamics resource - Dan's Vehicle Dynamics Corner

by Silente
Replies
290
Views
100,481

From direct experience, reverse engineering the...

From direct experience, reverse engineering the tire is a nice technique if you don't have any data at all, but it is at the same time very dangerous, above all if your driver is, for any reason, not...
10. Thread: moment diagram with weight transfer

by Silente
Replies
170
Views
64,340

*missing picture

*missing picture
11. Thread: moment diagram with weight transfer

by Silente
Replies
170
Views
64,340

hi guys, first of all thanks a lot to...

hi guys,

first of all thanks a lot to everybody contributing to this thread. Really interesting.

I built up myself a tool in excel to create the Yaw Moment Diagram of a vehicle and would like...
12. Thread: Roll rates in RCVD

by Silente
Replies
104
Views
40,646

Interesting discussions going on here. Z,...

Interesting discussions going on here.

Z, your input is always very interesting, above all from theoretical perspective. I always got some very good food for though reading your comments, but...

by Silente
Replies
4
Views
1,693

of course a fsae team have the same budget, the...

of course a fsae team have the same budget, the same skills, the same experience and the same knowledge as nissan....so it should be pretty easy!
14. Thread: New Full 3D Kinematic Suspension Design Tool

by Silente
Replies
2
Views
2,104

View Post

didnīt have time to look at it properly yet.

Just one question anyway: does it allow to model Push/Pull Rod geometries by default, or they should be defined somehow by the user?

by Silente
Replies
76
Views
45,996

first of all thanks to all the contributors of...

first of all thanks to all the contributors of this thread. It is really a great and informing one.

Going through all your comments pushed me to go again through some "theory" that i realized i...
16. Thread: A new free vehicle dynamics resource - Dan's Vehicle Dynamics Corner

by Silente
Replies
290
Views
100,481

Tim regarding the feasibility of Stability...

Tim

regarding the feasibility of Stability index for on-track studies (data engineer typical work, race engineer as well in many teams), i think it doesn't work as it is.

17. Thread: A new free vehicle dynamics resource - Dan's Vehicle Dynamics Corner

by Silente
Replies
290
Views
100,481

i am totally with Tim... I tried to take out...

i am totally with Tim...

I tried to take out the same channels both on sim and real data, but no success on really using it for stability evaluation. Sometimes, a part from the noise mentioned by...
18. Thread: A new free vehicle dynamics resource - Dan's Vehicle Dynamics Corner

by Silente
Replies
290
Views
100,481

Danny,

Anyway, what i meant is that, if you change the max load value, the...
19. Thread: A new free vehicle dynamics resource - Dan's Vehicle Dynamics Corner

by Silente
Replies
290
Views
100,481

Hi Danny, first of al thanks for your posts...

Hi Danny,

first of al thanks for your posts and the material you publish.

Would be nice to have something new more often, but i understand it's not good for your business to show your...
20. Thread: Using a SolidWorks model of FSAE car to create an rFactor car

by Silente
Replies
2
Views
1,337

you can do it, but to build up a car in rF is a...

you can do it, but to build up a car in rF is a long, long trip. And you need data that probably you donīt have before to run the car.

Anyway, in my opinion, it is all about how much time you can...

by Silente
Replies
38
Views
6,786

Hi, very interesting work and very useful tool...

Hi,

very interesting work and very useful tool for all Fsae teams around the world.

I have a question about your autocross or endurance part of the code: when looking for the maximum corner...
22. Thread: Are these poorly designed A-arms

by Silente
Replies
17
Views
4,779

Why a parallel arms layout should be considered a...

Why a parallel arms layout should be considered a bad design? I see a lot of good things in it.

Of course if the car is really stiff in roll then camber gain is not anymore an issue, but also if...

by Silente
Replies
3
Views
1,555

my question is connected also to how the shape of...

my question is connected also to how the shape of the curve is changing in real life when the road grip is changing.

Do we have to expect the tire to reach maximum force at different slip angles...

by Silente
Replies
3
Views
1,555

Hi, i have tried to look on the forum for an...

Hi,

i have tried to look on the forum for an answer to my question, but didn't find anything useful.

I am using tire data from TTC, but need to correct maximum grip because, as reported in...

by Silente
Replies
5
Views
2,558

IMHO the esiest way to do your work is to create...

IMHO the esiest way to do your work is to create a spread sheet (or something similar) where all te contribution to roll stiffness are in.

You will have to know your motion ratios and tracks as...
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