Suspension Project.

Here are our CFD links and discussions about aerodynamics, suspension, driver safety and tyres. Please stick to F1 on this forum.
ranger
ranger
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Joined: 02 Mar 2006, 09:23
Location: Malaysia

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"The perfect race car crosses the finish line in first place and then falls to pieces." - Ferdinand Porsche

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schumiGO
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Joined: 06 Jun 2004, 16:04
Location: Moscow

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Image



Blue - rod to front antyroll bar
Red - steering rod

luisandregg
luisandregg
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Joined: 01 Mar 2006, 20:53
Location: Campinas, Brazil

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schumiGO wrote:


Blue - rod to front antyroll bar
Red - steering rod
So it's the rod to the antiroll bar! Do you have a photo or a design of that antiroll bar (the hidden part of it)? Do Formula 1 cars have antiroll bars as well?

What's the purpose of an antiroll bar? Is it just to make the pilot more confident in the car's hability to turn? Or it can keep the tires in the best angle for turning?

Thank you.
Last edited by luisandregg on 02 Mar 2006, 21:16, edited 1 time in total.

ranger
ranger
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Joined: 02 Mar 2006, 09:23
Location: Malaysia

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yall give the answer...ferrari in zero-keel,single keel,twin keel or V-keel? :lol:

manchild
manchild
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Joined: 03 Jun 2005, 10:54

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ranger wrote:"The perfect race car crosses the finish line in first place and then falls to pieces." - Ferdinand Porsche
ranger wrote:yall give the answer...ferrari in zero-keel,single keel,twin keel or V-keel? :lol:
What is the purpose of these posts? Quote of my signature and than this second one completely meaningless :?

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Scuderia_Russ
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Joined: 17 Jan 2004, 22:24
Location: Motorsport Valley, England.

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I must confess I was wondering this myself.

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Tom
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Joined: 13 Jan 2006, 00:24
Location: Bicester

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Was Ferdinand Porsche not the head of the Auto Union team of the fifties?

Anyway, thanks to all who contributed so far,
All info is highly usful, keep it up.

Actually found the pics of the model car a couple of days ago by chance.
so good to know we're thinking the same.

Is it OK if I adapt these ideas and use them in my project.

Just making sure.

Cheers
Murphy's 9th Law of Technology:
Tell a man there are 300 million stars in the universe and he'll believe you. Tell him a bench has wet paint on it and he'll have to touch to be sure.

RacingManiac
RacingManiac
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Joined: 22 Nov 2004, 02:29

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you are welcome to use my pic if you just cite the page....the pic are my personal pic so you don't have to worry about other stuff.

Anti-roll bar, it is one way to increase the wheel rate in roll without affecting the wheel rate in bump(well 2 wheel bump). Although you can increase the roll stiffness by running higher rate spring, it'll also affect the rate in other mode of movement, which is not desirable. It is also a quick way to adjust the balance of the car by altering the weight transfer characteristic of the car. By stiffening either end reduces the overall grip at that end but subsequenly transfer more weight to the other end....

luisandregg
luisandregg
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Joined: 01 Mar 2006, 20:53
Location: Campinas, Brazil

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RacingManiac, thank you for the information and sorry for the picture. I'll remember that next time. :oops:

Do you have any article or PDF explaining how to design/tune a suspension system? Or do you know any good book about that?

Thank you very much.

RacingManiac
RacingManiac
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Joined: 22 Nov 2004, 02:29

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nah you only need to cite it if you were to use it in like a written assignment or something....internet forum is free for all.... :)

The easiest to understand books I find on the subject is Carroll Smith's Tune to Win. It is written in very practical perspective and you can understand most concept quite easily. More in depth(ie, textbook-like) would be Milliken & Milliken's Race Car Vehicle Dynamic.....

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Tom
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Joined: 13 Jan 2006, 00:24
Location: Bicester

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nah you only need to cite it if you were to use it in like a written assignment or something....internet forum is free for all
Yeah, it hought that, its just that I seem to have a habit of offending people,

So I thought it polite to be sure.
Murphy's 9th Law of Technology:
Tell a man there are 300 million stars in the universe and he'll believe you. Tell him a bench has wet paint on it and he'll have to touch to be sure.

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Scuderia_Russ
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Joined: 17 Jan 2004, 22:24
Location: Motorsport Valley, England.

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Tom wrote:I seem to have a habit of offending people,
I've tought you well my young apprentice. :lol:

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Tom
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Joined: 13 Jan 2006, 00:24
Location: Bicester

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Project stalled but back on track.

Can anyone tell me how this would affect the car.

Suspension: Hard/Soft,
Anti roll bar: Stiff/Loose
Tyre Pressure: High/Low
Camber: Positive/Negative
Toe: In/Out

Ta
Murphy's 9th Law of Technology:
Tell a man there are 300 million stars in the universe and he'll believe you. Tell him a bench has wet paint on it and he'll have to touch to be sure.

mike
mike
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Joined: 10 Jan 2006, 13:55
Location: Australia, Melbourne

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toe ins are for the amount of friction create by the tyre in angles, which will provide more grip for the tyres, too much of it will cause high tyre wear and slower top speed because of the friction. camber are made so that the wear on the inside and out side of the tyre are the same, which will make the car's handling more predictable as the tyre wears, that is why they most put in negative cambers because the outside of the tyre travel more than the insides. pressure and suspension works the same concept, both of them are forces to keep the tyre on the road as much as they can. soft suspension will create more grip because it can absorb all the bumps in the track but cars tends to sway so more downforce in need to stablise the car. hard suspension creates less grip which is ideal for high grip circuits like monza, the advantages on hard suspension is that the tyre has got more force on is which will make in faster on the straights. tyre pressures are usually set lower than the action race pressure so that it can have to room for the heat created which the car is moving, enginner are tyre to find the best way of forcing the tyre on the road. if the pressue if too high it will cause the car to be slippery. if the pressure is too low there is no force to push the tyre on the track so no grip. get the right pressure and you end up with lot of grip. i dont know much about anti roll bars, wish some of you guy can answer it for me.

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Tom
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Joined: 13 Jan 2006, 00:24
Location: Bicester

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Project on going.

Can anyone find good pics of the varies suspension keels?

I can't find any anywhere.
Murphy's 9th Law of Technology:
Tell a man there are 300 million stars in the universe and he'll believe you. Tell him a bench has wet paint on it and he'll have to touch to be sure.